Publisher: Oxford University Press   (Total: 412 journals)

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Showing 1 - 200 of 412 Journals sorted alphabetically
ACS Symposium Series     Full-text available via subscription   (Followers: 3, SJR: 0.189, CiteScore: 0)
Acta Biochimica et Biophysica Sinica     Hybrid Journal   (Followers: 5, SJR: 0.79, CiteScore: 2)
Adaptation     Hybrid Journal   (Followers: 9, SJR: 0.143, CiteScore: 0)
Advances in Nutrition     Hybrid Journal   (Followers: 58, SJR: 2.196, CiteScore: 5)
Aesthetic Surgery J.     Hybrid Journal   (Followers: 7, SJR: 1.434, CiteScore: 1)
Aesthetic Surgery J. Open Forum     Open Access   (Followers: 1)
African Affairs     Hybrid Journal   (Followers: 73, SJR: 1.869, CiteScore: 2)
Age and Ageing     Hybrid Journal   (Followers: 93, SJR: 1.989, CiteScore: 4)
Alcohol and Alcoholism     Hybrid Journal   (Followers: 20, SJR: 1.376, CiteScore: 3)
American Entomologist     Hybrid Journal   (Followers: 8)
American Historical Review     Hybrid Journal   (Followers: 212, SJR: 0.467, CiteScore: 1)
American J. of Agricultural Economics     Hybrid Journal   (Followers: 54, SJR: 2.113, CiteScore: 3)
American J. of Clinical Nutrition     Hybrid Journal   (Followers: 226, SJR: 3.438, CiteScore: 6)
American J. of Epidemiology     Hybrid Journal   (Followers: 226, SJR: 2.713, CiteScore: 3)
American J. of Health-System Pharmacy     Full-text available via subscription   (Followers: 62, SJR: 0.595, CiteScore: 1)
American J. of Hypertension     Hybrid Journal   (Followers: 28, SJR: 1.322, CiteScore: 3)
American J. of Jurisprudence     Hybrid Journal   (Followers: 19, SJR: 0.281, CiteScore: 1)
American J. of Legal History     Full-text available via subscription   (Followers: 11, SJR: 0.116, CiteScore: 0)
American Law and Economics Review     Hybrid Journal   (Followers: 31, SJR: 1.053, CiteScore: 1)
American Literary History     Hybrid Journal   (Followers: 18, SJR: 0.391, CiteScore: 0)
Analysis     Hybrid Journal   (Followers: 25, SJR: 1.038, CiteScore: 1)
Animal Frontiers     Hybrid Journal   (Followers: 2)
Annals of Behavioral Medicine     Hybrid Journal   (Followers: 15, SJR: 1.423, CiteScore: 3)
Annals of Botany     Hybrid Journal   (Followers: 38, SJR: 1.721, CiteScore: 4)
Annals of Oncology     Hybrid Journal   (Followers: 62, SJR: 5.599, CiteScore: 9)
Annals of the Entomological Society of America     Full-text available via subscription   (Followers: 11, SJR: 0.722, CiteScore: 1)
Annals of Work Exposures and Health     Hybrid Journal   (Followers: 10, SJR: 0.728, CiteScore: 2)
Antibody Therapeutics     Open Access   (Followers: 1)
AoB Plants     Open Access   (Followers: 4, SJR: 1.28, CiteScore: 3)
Applied Economic Perspectives and Policy     Hybrid Journal   (Followers: 18, SJR: 0.858, CiteScore: 2)
Applied Linguistics     Hybrid Journal   (Followers: 66, SJR: 2.987, CiteScore: 3)
Applied Mathematics Research eXpress     Hybrid Journal   (Followers: 1, SJR: 1.241, CiteScore: 1)
Arbitration Intl.     Full-text available via subscription   (Followers: 20)
Arbitration Law Reports and Review     Hybrid Journal   (Followers: 14)
Archives of Clinical Neuropsychology     Hybrid Journal   (Followers: 33, SJR: 0.731, CiteScore: 2)
Aristotelian Society Supplementary Volume     Hybrid Journal   (Followers: 2)
Arthropod Management Tests     Hybrid Journal   (Followers: 2)
Astronomy & Geophysics     Hybrid Journal   (Followers: 47, SJR: 0.146, CiteScore: 0)
Behavioral Ecology     Hybrid Journal   (Followers: 58, SJR: 1.871, CiteScore: 3)
Bioinformatics     Hybrid Journal   (Followers: 391, SJR: 6.14, CiteScore: 8)
Biology Methods and Protocols     Open Access   (Followers: 1)
Biology of Reproduction     Full-text available via subscription   (Followers: 11, SJR: 1.446, CiteScore: 3)
Biometrika     Hybrid Journal   (Followers: 20, SJR: 3.485, CiteScore: 2)
BioScience     Hybrid Journal   (Followers: 30, SJR: 2.754, CiteScore: 4)
Bioscience Horizons : The National Undergraduate Research J.     Open Access   (Followers: 3, SJR: 0.146, CiteScore: 0)
Biostatistics     Hybrid Journal   (Followers: 18, SJR: 1.553, CiteScore: 2)
BJA : British J. of Anaesthesia     Hybrid Journal   (Followers: 227, SJR: 2.115, CiteScore: 3)
BJA Education     Hybrid Journal   (Followers: 69)
Brain     Hybrid Journal   (Followers: 76, SJR: 5.858, CiteScore: 7)
Brain Communications     Open Access   (Followers: 1)
Briefings in Bioinformatics     Hybrid Journal   (Followers: 53, SJR: 2.505, CiteScore: 5)
Briefings in Functional Genomics     Hybrid Journal   (Followers: 3, SJR: 2.15, CiteScore: 3)
British J. for the Philosophy of Science     Hybrid Journal   (Followers: 41, SJR: 2.161, CiteScore: 2)
British J. of Aesthetics     Hybrid Journal   (Followers: 24, SJR: 0.508, CiteScore: 1)
British J. of Criminology     Hybrid Journal   (Followers: 619, SJR: 1.828, CiteScore: 3)
British J. of Social Work     Hybrid Journal   (Followers: 98, SJR: 1.019, CiteScore: 2)
British Medical Bulletin     Hybrid Journal   (Followers: 6, SJR: 1.355, CiteScore: 3)
British Yearbook of Intl. Law     Hybrid Journal   (Followers: 35)
Bulletin of the London Mathematical Society     Hybrid Journal   (Followers: 3, SJR: 1.376, CiteScore: 1)
Cambridge J. of Economics     Hybrid Journal   (Followers: 75, SJR: 0.764, CiteScore: 2)
Cambridge J. of Regions, Economy and Society     Hybrid Journal   (Followers: 12, SJR: 2.438, CiteScore: 4)
Cambridge Quarterly     Hybrid Journal   (Followers: 10, SJR: 0.104, CiteScore: 0)
Capital Markets Law J.     Hybrid Journal   (Followers: 2, SJR: 0.222, CiteScore: 0)
Carcinogenesis     Hybrid Journal   (Followers: 2, SJR: 2.135, CiteScore: 5)
Cardiovascular Research     Hybrid Journal   (Followers: 15, SJR: 3.002, CiteScore: 5)
Cerebral Cortex     Hybrid Journal   (Followers: 55, SJR: 3.892, CiteScore: 6)
CESifo Economic Studies     Hybrid Journal   (Followers: 24, SJR: 0.483, CiteScore: 1)
Chemical Senses     Hybrid Journal   (Followers: 1, SJR: 1.42, CiteScore: 3)
Children and Schools     Hybrid Journal   (Followers: 8, SJR: 0.246, CiteScore: 0)
Chinese J. of Comparative Law     Hybrid Journal   (Followers: 5, SJR: 0.412, CiteScore: 0)
Chinese J. of Intl. Law     Hybrid Journal   (Followers: 24, SJR: 0.329, CiteScore: 0)
Chinese J. of Intl. Politics     Hybrid Journal   (Followers: 11, SJR: 1.392, CiteScore: 2)
Christian Bioethics: Non-Ecumenical Studies in Medical Morality     Hybrid Journal   (Followers: 10, SJR: 0.183, CiteScore: 0)
Classical Receptions J.     Hybrid Journal   (Followers: 29, SJR: 0.123, CiteScore: 0)
Clean Energy     Open Access   (Followers: 3)
Clinical Infectious Diseases     Hybrid Journal   (Followers: 78, SJR: 5.051, CiteScore: 5)
Communication Theory     Hybrid Journal   (Followers: 29, SJR: 2.424, CiteScore: 3)
Communication, Culture & Critique     Hybrid Journal   (Followers: 29, SJR: 0.222, CiteScore: 1)
Community Development J.     Hybrid Journal   (Followers: 28, SJR: 0.268, CiteScore: 1)
Computer J.     Hybrid Journal   (Followers: 9, SJR: 0.319, CiteScore: 1)
Conservation Physiology     Open Access   (Followers: 3, SJR: 1.818, CiteScore: 3)
Contemporary Women's Writing     Hybrid Journal   (Followers: 11, SJR: 0.121, CiteScore: 0)
Contributions to Political Economy     Hybrid Journal   (Followers: 8, SJR: 0.906, CiteScore: 1)
Critical Values     Full-text available via subscription  
Current Developments in Nutrition     Open Access   (Followers: 5)
Current Legal Problems     Hybrid Journal   (Followers: 29)
Current Zoology     Full-text available via subscription   (Followers: 6, SJR: 1.164, CiteScore: 2)
Database : The J. of Biological Databases and Curation     Open Access   (Followers: 10, SJR: 1.791, CiteScore: 3)
Digital Scholarship in the Humanities     Hybrid Journal   (Followers: 15, SJR: 0.259, CiteScore: 1)
Diplomatic History     Hybrid Journal   (Followers: 24, SJR: 0.45, CiteScore: 1)
DNA Research     Open Access   (Followers: 6, SJR: 2.866, CiteScore: 6)
Dynamics and Statistics of the Climate System     Open Access   (Followers: 4)
Early Music     Hybrid Journal   (Followers: 17, SJR: 0.139, CiteScore: 0)
Econometrics J.     Hybrid Journal   (Followers: 34, SJR: 2.926, CiteScore: 1)
Economic J.     Hybrid Journal   (Followers: 124, SJR: 5.161, CiteScore: 3)
Economic Policy     Hybrid Journal   (Followers: 51, SJR: 3.584, CiteScore: 3)
ELT J.     Hybrid Journal   (Followers: 26, SJR: 0.942, CiteScore: 1)
English Historical Review     Hybrid Journal   (Followers: 59, SJR: 0.612, CiteScore: 1)
English: J. of the English Association     Hybrid Journal   (Followers: 22, SJR: 0.1, CiteScore: 0)
Environmental Entomology     Full-text available via subscription   (Followers: 12, SJR: 0.818, CiteScore: 2)
Environmental Epigenetics     Open Access   (Followers: 2)
Environmental History     Hybrid Journal   (Followers: 26, SJR: 0.408, CiteScore: 1)
EP-Europace     Hybrid Journal   (Followers: 3, SJR: 2.748, CiteScore: 4)
Epidemiologic Reviews     Hybrid Journal   (Followers: 9, SJR: 4.505, CiteScore: 8)
ESHRE Monographs     Hybrid Journal  
Essays in Criticism     Hybrid Journal   (Followers: 22, SJR: 0.113, CiteScore: 0)
European Heart J.     Hybrid Journal   (Followers: 68, SJR: 9.315, CiteScore: 9)
European Heart J. - Cardiovascular Imaging     Hybrid Journal   (Followers: 10, SJR: 3.625, CiteScore: 3)
European Heart J. - Cardiovascular Pharmacotherapy     Full-text available via subscription   (Followers: 2)
European Heart J. - Quality of Care and Clinical Outcomes     Hybrid Journal  
European Heart J. : Case Reports     Open Access   (Followers: 1)
European Heart J. Supplements     Hybrid Journal   (Followers: 8, SJR: 0.223, CiteScore: 0)
European J. of Cardio-Thoracic Surgery     Hybrid Journal   (Followers: 9, SJR: 1.681, CiteScore: 2)
European J. of Intl. Law     Hybrid Journal   (Followers: 234, SJR: 0.694, CiteScore: 1)
European J. of Orthodontics     Hybrid Journal   (Followers: 5, SJR: 1.279, CiteScore: 2)
European J. of Public Health     Hybrid Journal   (Followers: 22, SJR: 1.36, CiteScore: 2)
European Review of Agricultural Economics     Hybrid Journal   (Followers: 12, SJR: 1.172, CiteScore: 2)
European Review of Economic History     Hybrid Journal   (Followers: 31, SJR: 0.702, CiteScore: 1)
European Sociological Review     Hybrid Journal   (Followers: 46, SJR: 2.728, CiteScore: 3)
Evolution, Medicine, and Public Health     Open Access   (Followers: 12)
Family Practice     Hybrid Journal   (Followers: 16, SJR: 1.018, CiteScore: 2)
Fems Microbiology Ecology     Hybrid Journal   (Followers: 19, SJR: 1.492, CiteScore: 4)
Fems Microbiology Letters     Hybrid Journal   (Followers: 29, SJR: 0.79, CiteScore: 2)
Fems Microbiology Reviews     Hybrid Journal   (Followers: 38, SJR: 7.063, CiteScore: 13)
Fems Yeast Research     Hybrid Journal   (Followers: 14, SJR: 1.308, CiteScore: 3)
Food Quality and Safety     Open Access   (Followers: 1)
Foreign Policy Analysis     Hybrid Journal   (Followers: 26, SJR: 1.425, CiteScore: 1)
Forest Science     Hybrid Journal   (Followers: 8, SJR: 0.89, CiteScore: 2)
Forestry: An Intl. J. of Forest Research     Hybrid Journal   (Followers: 16, SJR: 1.133, CiteScore: 3)
Forum for Modern Language Studies     Hybrid Journal   (Followers: 6, SJR: 0.104, CiteScore: 0)
French History     Hybrid Journal   (Followers: 36, SJR: 0.118, CiteScore: 0)
French Studies     Hybrid Journal   (Followers: 21, SJR: 0.148, CiteScore: 0)
French Studies Bulletin     Hybrid Journal   (Followers: 10, SJR: 0.152, CiteScore: 0)
Gastroenterology Report     Open Access   (Followers: 3)
Genome Biology and Evolution     Open Access   (Followers: 17, SJR: 2.578, CiteScore: 4)
Geophysical J. Intl.     Hybrid Journal   (Followers: 38, SJR: 1.506, CiteScore: 3)
German History     Hybrid Journal   (Followers: 26, SJR: 0.161, CiteScore: 0)
GigaScience     Open Access   (Followers: 6, SJR: 5.022, CiteScore: 7)
Global Summitry     Hybrid Journal   (Followers: 1)
Glycobiology     Hybrid Journal   (Followers: 10, SJR: 1.493, CiteScore: 3)
Health and Social Work     Hybrid Journal   (Followers: 68, SJR: 0.388, CiteScore: 1)
Health Education Research     Hybrid Journal   (Followers: 19, SJR: 0.854, CiteScore: 2)
Health Policy and Planning     Hybrid Journal   (Followers: 26, SJR: 1.512, CiteScore: 2)
Health Promotion Intl.     Hybrid Journal   (Followers: 26, SJR: 0.812, CiteScore: 2)
History Workshop J.     Hybrid Journal   (Followers: 33, SJR: 1.278, CiteScore: 1)
Holocaust and Genocide Studies     Hybrid Journal   (Followers: 30, SJR: 0.105, CiteScore: 0)
Human Communication Research     Hybrid Journal   (Followers: 16, SJR: 2.146, CiteScore: 3)
Human Molecular Genetics     Hybrid Journal   (Followers: 11, SJR: 3.555, CiteScore: 5)
Human Reproduction     Hybrid Journal   (Followers: 77, SJR: 2.643, CiteScore: 5)
Human Reproduction Open     Open Access   (Followers: 1)
Human Reproduction Update     Hybrid Journal   (Followers: 19, SJR: 5.317, CiteScore: 10)
Human Rights Law Review     Hybrid Journal   (Followers: 66, SJR: 0.756, CiteScore: 1)
ICES J. of Marine Science: J. du Conseil     Hybrid Journal   (Followers: 58, SJR: 1.591, CiteScore: 3)
ICSID Review : Foreign Investment Law J.     Hybrid Journal   (Followers: 11)
ILAR J.     Hybrid Journal   (Followers: 3, SJR: 1.732, CiteScore: 4)
IMA J. of Applied Mathematics     Hybrid Journal   (SJR: 0.679, CiteScore: 1)
IMA J. of Management Mathematics     Hybrid Journal   (SJR: 0.538, CiteScore: 1)
IMA J. of Mathematical Control and Information     Hybrid Journal   (Followers: 2, SJR: 0.496, CiteScore: 1)
IMA J. of Numerical Analysis - advance access     Hybrid Journal   (SJR: 1.987, CiteScore: 2)
Industrial and Corporate Change     Hybrid Journal   (Followers: 12, SJR: 1.792, CiteScore: 2)
Industrial Law J.     Hybrid Journal   (Followers: 29, SJR: 0.249, CiteScore: 1)
Inflammatory Bowel Diseases     Hybrid Journal   (Followers: 46, SJR: 2.511, CiteScore: 4)
Information and Inference     Free  
Innovation in Aging     Open Access   (Followers: 1)
Insect Systematics and Diversity     Hybrid Journal  
Integrative and Comparative Biology     Hybrid Journal   (Followers: 10, SJR: 1.319, CiteScore: 2)
Integrative Biology     Full-text available via subscription   (Followers: 5, SJR: 1.36, CiteScore: 3)
Integrative Organismal Biology     Open Access  
Interacting with Computers     Hybrid Journal   (Followers: 10, SJR: 0.292, CiteScore: 1)
Interactive CardioVascular and Thoracic Surgery     Hybrid Journal   (Followers: 7, SJR: 0.762, CiteScore: 1)
Intl. Affairs     Hybrid Journal   (Followers: 71, SJR: 1.505, CiteScore: 3)
Intl. Data Privacy Law     Hybrid Journal   (Followers: 22)
Intl. Health     Hybrid Journal   (Followers: 7, SJR: 0.851, CiteScore: 2)
Intl. Immunology     Hybrid Journal   (Followers: 4, SJR: 2.167, CiteScore: 4)
Intl. J. for Quality in Health Care     Hybrid Journal   (Followers: 40, SJR: 1.348, CiteScore: 2)
Intl. J. of Constitutional Law     Hybrid Journal   (Followers: 56, SJR: 0.601, CiteScore: 1)
Intl. J. of Epidemiology     Hybrid Journal   (Followers: 289, SJR: 3.969, CiteScore: 5)
Intl. J. of Law and Information Technology     Hybrid Journal   (Followers: 5, SJR: 0.202, CiteScore: 1)
Intl. J. of Law, Policy and the Family     Hybrid Journal   (Followers: 20, SJR: 0.223, CiteScore: 1)
Intl. J. of Lexicography     Hybrid Journal   (Followers: 9, SJR: 0.285, CiteScore: 1)
Intl. J. of Low-Carbon Technologies     Open Access   (Followers: 1, SJR: 0.403, CiteScore: 1)
Intl. J. of Neuropsychopharmacology     Open Access   (Followers: 3, SJR: 1.808, CiteScore: 4)
Intl. J. of Public Opinion Research     Hybrid Journal   (Followers: 11, SJR: 1.545, CiteScore: 1)
Intl. J. of Refugee Law     Hybrid Journal   (Followers: 38, SJR: 0.389, CiteScore: 1)
Intl. J. of Transitional Justice     Hybrid Journal   (Followers: 14, SJR: 0.724, CiteScore: 2)
Intl. Mathematics Research Notices     Hybrid Journal   (Followers: 1, SJR: 2.168, CiteScore: 1)
Intl. Political Sociology     Hybrid Journal   (Followers: 41, SJR: 1.465, CiteScore: 3)
Intl. Relations of the Asia-Pacific     Hybrid Journal   (Followers: 26, SJR: 0.401, CiteScore: 1)
Intl. Studies Perspectives     Hybrid Journal   (Followers: 9, SJR: 0.983, CiteScore: 1)
Intl. Studies Quarterly     Hybrid Journal   (Followers: 55, SJR: 2.581, CiteScore: 2)
Intl. Studies Review     Hybrid Journal   (Followers: 24, SJR: 1.201, CiteScore: 1)
ISLE: Interdisciplinary Studies in Literature and Environment     Hybrid Journal   (Followers: 2, SJR: 0.15, CiteScore: 0)
ITNOW     Hybrid Journal   (Followers: 1, SJR: 0.103, CiteScore: 0)
J. of African Economies     Hybrid Journal   (Followers: 18, SJR: 0.533, CiteScore: 1)
J. of American History     Hybrid Journal   (Followers: 53, SJR: 0.297, CiteScore: 1)
J. of Analytical Toxicology     Hybrid Journal   (Followers: 14, SJR: 1.065, CiteScore: 2)
J. of Antimicrobial Chemotherapy     Hybrid Journal   (Followers: 16, SJR: 2.419, CiteScore: 4)
J. of Antitrust Enforcement     Hybrid Journal   (Followers: 1)
J. of Applied Poultry Research     Hybrid Journal   (Followers: 5, SJR: 0.585, CiteScore: 1)
J. of Biochemistry     Hybrid Journal   (Followers: 46, SJR: 1.226, CiteScore: 2)

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Similar Journals
Journal Cover
Archives of Clinical Neuropsychology
Journal Prestige (SJR): 0.731
Citation Impact (citeScore): 2
Number of Followers: 33  
 
  Hybrid Journal Hybrid journal (It can contain Open Access articles)
ISSN (Print) 0887-6177 - ISSN (Online) 1873-5843
Published by Oxford University Press Homepage  [412 journals]
  • Neuropsychological Assessment of Professional Ice Hockey Players: A
           Cross-Cultural Examination of Baseline Data Across Language Groups
    • Authors: Echemendia R; Thelen J, Meeuwisse W, et al.
      Pages: 240 - 256
      Abstract: AbstractObjectiveNeuropsychological testing in sports has become routine across all levels of play. The National Hockey League (NHL) has conducted baseline neuropsychological assessment of all players since 1997. This study seeks to examine baseline differences among linguistically and culturally diverse groups within the NHL and to present comprehensive normative data for these groups.MethodBaseline data were obtained from 3,145 professional hockey players’ baseline symptom reporting, neuropsychological test performance on a battery of traditional “paper and pencil” measures, and self-reported concussion history. In addition, 604 baseline post-injury paper and pencil evaluations were conducted the season following a concussion and 4,780 computerized baseline ImPACT administrations were obtained following the introduction of computerized testing.ResultsNormative data for paper and pencil tests and ImPACT are presented for the major language groups within the league: English, French, Swedish, Russian, Czech, Finnish, and German (ImPACT only). It was found that symptom reporting, the number of concussions sustained, and neuropsychological test results vary significantly based on a players’ language of origin. This variability was also present when players were tested in their language of origin.ConclusionsThis study provides insight into the significant baseline differences that exist among NHL players regarding symptoms, concussion history, and cognitive functioning. The findings are discussed with respect to the evaluation and management of NHL players who sustain concussion and more generally in the context of neuropsychological assessment in cross-cultural settings, including the importance of examining neuropsychological functioning using culturally specific norms.
      PubDate: Thu, 02 Jan 2020 00:00:00 GMT
      DOI: 10.1093/arclin/acz077
      Issue No: Vol. 35, No. 3 (2020)
       
  • Developing an Executive Functioning Composite Score for Research and
           Clinical Trials
    • Authors: Iverson G; Karr J, Terry D, et al.
      Pages: 312 - 325
      Abstract: AbstractObjectiveExecutive functioning encompasses interactive cognitive processes such as planning, organization, set-shifting, inhibition, self-monitoring, working memory, and initiating and sustaining motor and mental activity. Researchers therefore typically assess executive functioning with multiple tests, each yielding multiple scores. A single composite score of executive functioning, which summarizes deficits across a battery of tests, would be useful in research and clinical trials. This study examines multiple candidate composite scores of executive functioning using tests from the Delis–Kaplan Executive Function System (D-KEFS).MethodParticipants were 875 adults between the ages of 20 and 89 years from the D-KEFS standardization sample. Seven Total Achievement scores were used from three tests (i.e., Trail Making, Verbal Fluency, and Color–Word Interference) to form eight composite scores that were compared based on their psychometric properties and association with intelligence (IQ).ResultsThe distributions of most composite scores were mildly to severely skewed, and some had a pronounced ceiling effect. The composite scores all showed a medium positive correlation with IQ. The composite scores were highly intercorrelated in the total sample and in four IQ subgroups (i.e., IQ <89, 90–99, 100–109, 110+), with some being so highly correlated that they appear redundant.ConclusionsThis study is part of a larger research program developing a cognition endpoint for research and clinical trials with sound psychometric properties and utility across discrepant test batteries. Future research is needed to examine the reliability and ecological validity of these composite scores.
      PubDate: Tue, 21 Jan 2020 00:00:00 GMT
      DOI: 10.1093/arclin/acz070
      Issue No: Vol. 35, No. 3 (2020)
       
  • How Do ImPACT Quick Test Scores Compare with ImPACT Online Scores in
           Non-Concussed Adolescent Athletes'
    • Authors: Elbin R; D’Amico N, McCarthy M, et al.
      Pages: 326 - 331
      Abstract: AbstractObjectiveTo compare neurocognitive scores between the Immediate Post-Concussion Assessment and Cognitive Testing (ImPACT) Quick Test (QT) and Online Versions in non-concussed high school athletes.MethodsA sample of 47 high school athletes completed the ImPACT Online Version pre-season and the ImPACT QT approximately 3 months later. Paired sample t-tests and Pearson’s correlations examined differences and relationships between the ImPACT batteries.ResultsThe ImPACT QT scores were significantly higher for performance on the Three Letters: Average Counted (p < .001, d = .88), Three Letters: Average Counted Correctly (p < .001, d = .80), and Symbol Match: Correct RT Visible (p < .001, d = .72), and Symbol Match: Correct RT Hidden (p = .002, d = .50) subtests. There were significant relationships for Three Letters: Average Counted (r = .85, p < .001), Three Letters: Average Counted Correctly (r = .82, p < .001), and Symbol Match: Total Correct Hidden (r = .40, p = .006) subtests.ConclusionsPost-injury evaluation data using ImPACT QT should be compared to normative referenced data, and not to pre-season data from the ImPACT Online Version.
      PubDate: Tue, 11 Feb 2020 00:00:00 GMT
      DOI: 10.1093/arclin/acz072
      Issue No: Vol. 35, No. 3 (2020)
       
  • Corrigendum to: Clinical Outcomes and Satisfaction following
           Neuropsychological Assessment for Adults: A Community Hospital Prospective
           Quasi-Experimental Study
    • Authors: Lanca M; Giuliano A, Sarapas C, et al.
      Pages: 345 - 345
      Abstract: In the initial publication of this article, the Multifactorial Memory Questionnaire (MMQ) was incorrectly given the title “Meta-Memory Questionnaire” in the body of the paper. This has been corrected. The authors and the publisher regret the error.
      PubDate: Wed, 12 Feb 2020 00:00:00 GMT
      DOI: 10.1093/arclin/acaa011
      Issue No: Vol. 35, No. 3 (2020)
       
  • No Linear Association Between Number of Concussions or Years Played and
           Cognitive Outcomes in Retired NFL Players
    • Authors: Fields L, Didehbani N, Hart J, Jr; et al.
      Pages: 233 - 239
      Abstract: AbstractObjectiveThe aim of the current study is to examine whether concussion history and years played are linearly associated with cognitive outcomes in retired National Football League (NFL) players.MethodThirty-five retired NFL players over the age of 50 who had sustained at least one concussion completed a clinical interview and brief neuropsychological battery. Correlational analyses were conducted between exposure variables [number of total concussions, concussions with loss of consciousness (LOC), and years played] and cognitive performance as characterized by cognitive composite scores based on performance on neuropsychological measures (attention/processing speed, language, memory, and overall composite scores).ResultsCorrelational analyses corrected for multiple comparisons did not reveal any statistically significant correlations between exposure variables and cognitive outcomes.ConclusionsWe did not find a significant linear association between cognitive outcomes and either number of total concussions, concussions with LOC, or years played in the NFL. These findings do not support a dose–response relationship between sports-related exposure to head impacts and cognitive outcomes later in life. Rather, the findings suggest that cognitive difficulties experienced by some retired players later in life are not directly linearly associated with quantified exposure to head impacts sustained throughout a football career, but related to factors or combinations of factors that have yet to be elucidated.
      PubDate: Thu, 07 Mar 2019 00:00:00 GMT
      DOI: 10.1093/arclin/acz008
      Issue No: Vol. 35, No. 3 (2019)
       
  • Concussion History and Career Status Influence Performance on Baseline
           Assessments in Elite Football Players
    • Authors: Cookinham B; Swank C.
      Pages: 257 - 264
      Abstract: AbstractObjectiveTo determine if concussion history and career status is associated with neurocognitive performance in elite football players.MethodsThe study design was a cross-sectional single assessment. Fifty-seven elite football players (age 29.39 ± 7.49 years) categorized as draft prospects, active professional players, and retired professional players were assessed on the Sport Concussion Assessment Tool – third edition (SCAT-3), in an outpatient therapy setting.ResultsCommon symptoms were the following: fatigue (45.6%), trouble falling asleep (35.1%), difficulty remembering (33.3%) and irritability (22.8%); 36.8% reported no symptoms. The low concussion (0–1) group reported fewer symptoms (U = 608.50, p < .001), less symptom severity (U = 598.00, p = −.001), and produced greater scores on the Standardized Assessment of Concussion (SAC) total scores compared to the multiple concussion (2+) group (U = 253.00, p = .024), but no differences were observed on modified Balance Error Scoring System (m-BESS) scores (U = 501.50, p = .066) on the Mann–Whitney U test. The Kruskal–Wallis test and post-hoc analysis indicated retired players were significantly different from draft prospects and current professional players for total symptom scores (p < .001), total symptom severity (p < .001), SAC total scores (p = .030), and m-BESS (p < .001).ConclusionsConcussion history and career status appear associated with total symptoms, symptom severity, performance on the SAC, and the m-BESS in elite football players. With this in mind, future research is recommended to determine longitudinal impact for elite football players.
      PubDate: Sat, 30 Mar 2019 00:00:00 GMT
      DOI: 10.1093/arclin/acz012
      Issue No: Vol. 35, No. 3 (2019)
       
  • Validation of a Concussion Screening Battery for Use in Medical Settings:
           Predicting Centers for Disease Control Concussion Symptoms in Children and
           Adolescents
    • Authors: Lecci L; Williams M, Taravath S, et al.
      Pages: 265 - 274
      Abstract: AbstractObjectiveEffective screening for concussion is increasingly important, and medical professionals play a critical role in diagnostic and return-to-play decisions. However, few well-validated measures are available to assist in those decisions. This study aims to determine whether previously validated measures assessing neurocognitive and neurobehavioral abilities can predict Centers for Disease Control (CDC) concussion symptom endorsement in a sample of child or youth athletes.MethodParticipants were 113 individuals, aged 6–17, representing 29 consecutive cases undergoing a post-concussion evaluation by a pediatric neurologist and 84 consecutive cases completing standardized baseline assessments (i.e., not being evaluated as a follow-up to a concussion). All participants completed the same standardized battery of tests comprised of the Connors’ Continuous Performance Test (CPT 3), the Balance Error Scoring System (BESS), and the NIH 4-Meter Gait Test as well as completing a checklist of CDC concussion symptoms.ResultsRegression analyses indicate that the screening battery explained 33% of the variance (d = 1.4) in concussion symptom endorsement, after controlling for age. The neurocognitive test alone (CPT 3) accounts for 21.5% of the variance (d = 1.05) in symptoms after controlling for age, and the neurobehavioral measures (BESS and NIH 4-Meter Gait) then account for an additional 11.5% variance (accounting for 18.6% variance, d = .96, when entered first). These effect sizes are considered large to very large and reflect a marked increase in predictive validity relative to existing measures commonly used in concussion assessments.ConclusionsA relatively brief screening battery can function in medical settings to predict significant and substantial variability in CDC concussion symptoms in a pediatric sample.
      PubDate: Wed, 25 Sep 2019 00:00:00 GMT
      DOI: 10.1093/arclin/acz041
      Issue No: Vol. 35, No. 3 (2019)
       
  • Institutionally Based ImPACT Test® Normative Values May Differ from
           Manufacturer-Provided Normative Values
    • Authors: Walton S; Broshek D, Freeman J, et al.
      Pages: 275 - 282
      Abstract: AbstractObjectiveThe necessity for pre-injury baseline computerized neurocognitive assessments versus comparing post-concussion outcomes to manufacturer-provided normative data is unclear. Manufacturer-provided norms may not be equivalent to institution-specific norms, which poses risks for misclassifying the presence of impairment when comparing individual post-concussion performance to manufacturer-provided norms. The objective of this cohort study was to compare institutionally derived normative data to manufacturer-provided normative values provided by ImPACT® Applications, Incorporated.MethodNational Collegiate Athletic Association Division 1 university student athletes (n = 952; aged 19.2 ± 1.4 years, 42.5% female) from one university participated in this study by completing pre-injury baseline Immediate Post-Concussion Assessment and Cognitive Test (ImPACT) assessments. Participants were separated into 4 groups based on ImPACT’s age and gender norms: males <18 years old (n = 186), females <18 years old (n = 165), males >19 years old (n = 361) or females >19 years old (n = 240). Comparisons were made between manufacturer-provided norms and institutionally derived normative data for each of ImPACT’s clinical composite scores: Verbal (VEM) and Visual (VIM) Memory, Visual Motor Speed (VMS), and Reaction Time (RT). Outcome scores were compared for all groups using a Chi-squared goodness of fit analysis.ResultsInstitutionally derived normative data indicated above average performance for VEM, VIM, and VMS, and slightly below average performance for RT compared to the manufacturer-provided data (χ2 ≥ 20.867; p < 0.001).ConclusionsDifferences between manufacturer- and institution-based normative value distributions were observed. This has implications for an increased risk of misclassifying impairment following a concussion in lieu of comparison to baseline assessment and therefore supports the need to utilize baseline testing when feasible, or otherwise compare to institutionally derived norms rather than manufacturer-provided norms.
      PubDate: Mon, 11 Nov 2019 00:00:00 GMT
      DOI: 10.1093/arclin/acz068
      Issue No: Vol. 35, No. 3 (2019)
       
  • Half of Purposeful Baseline Sandbaggers Undetected by ImPACT’s
           Embedded Invalidity Indicators
    • Authors: Raab C; Peak A, Knoderer C.
      Pages: 283 - 290
      Abstract: AbstractObjectiveThe main objectives of this study were to determine how accurately the embedded invalidity indicators (EIIs) identify purposeful underperformers on the baseline Immediate Post-concussion Assessment and Cognitive Test (ImPACT); and to assess the effectiveness of each individual EII.MethodsA randomized controlled trial was conducted in which all participants completed a baseline ImPACT assessment. Participants were randomized into a control or purposeful underperformance (sandbagging) group. The primary outcomes measured were the number of participants identified as invalid (via any EII), as well as the ability of each individual EII to detect purposeful sandbagging. Additionally, participants mean raw composite scores and percentiles were evaluated.ResultsSeventy-seven participants completed the study (control n = 37, sandbag n = 40.) None of the participants in the control group, and 50% of the purposeful sandbaggers were identified as invalid via the current EIIs. Of the five EIIs, three were unable to identify more than 15% of purposeful sandbaggers. The best performing EIIs were Word Memory and Three Letters, identifying 40% and 35% of purposeful sandbaggers, respectively. Sixty- five percent of the purposeful sandbaggers had at least one composite score ≤1st percentile. Using a composite score ≤1st percentile as potential marker of invalidity would have accurately identified more purposeful sandbaggers than all existing EIIs combined.ConclusionHalf of purposeful sandbaggers were not identified by ImPACT’s current EIIs. Multiple EIIs were only able to identify <15% of purposeful underperformers, suggesting that reevaluation and/or recalibration of EII cutoffs may be appropriate.
      PubDate: Mon, 08 Apr 2019 00:00:00 GMT
      DOI: 10.1093/arclin/acz001
      Issue No: Vol. 35, No. 3 (2019)
       
  • SCAT5 vs. SCAT3 Symptom Reporting Differences and Convergent Validity in
           Collegiate Athletes
    • Authors: Asken B; Houck Z, Bauer R, et al.
      Pages: 291 - 301
      Abstract: AbstractObjectiveThe Sport Concussion Assessment Tool (SCAT), fifth Edition, Symptom Evaluation (S5SE) differs from previous versions by having examinees report trait (i.e. “typical” feelings) as opposed to state (i.e., “how you feel right now”) concussion-like symptoms at baseline. This study assessed differences among, and convergent validity of, scores on the S5SE, SCAT3 Symptom Evaluation (S3SE), and the Brief Symptom Inventory (BSI-18).MethodsA total of 113 University of Florida varsity athletes completed symptom questionnaires on the same day in a counterbalanced administration. The final sample consisted of 94 participants (mean age ± SD = 18.4 ± 0.8 years, 57% male, 65% white) from 17 sports. We assessed convergent validity using Spearman rank-order correlations. Within-participant differences were analyzed with Wilcoxon Signed-Rank tests. We qualitatively described free-response answers to the S5SE question that asks, “if not feeling 100%, why'”.ResultsS5SE total severity score demonstrated adequate convergent validity with both the S3SE (rho = .407, p < .001) and BSI-18 (rho = .432, p < .001). Domain-specific analyses indicated variable convergent validity (rho < 0.4 to rho > 0.6). Severity scores did not differ between the S3SE and S5SE (p = .500), but 24.5% of participants reported S3SE > S5SE and 34.0% S5SE > S3SE. Three themes emerged from qualitative examination of reasons for “not feeling 100%”: (1) tiredness/sleep, (2) adjustment difficulties, and (3) academic/athletic stress.ConclusionsAdequate convergent validity exists between SCAT5 and SCAT3 symptom severity in collegiate athletes. However, most examinees report different baseline symptom severity when asked to describe their trait (S5SE) versus state symptoms (S3SE). Clinicians should consider using the new SCAT5 Symptom Evaluation as a screening tool for identifying otherwise healthy or “undiagnosed” individuals who would benefit from targeted interventions.
      PubDate: Sat, 23 Feb 2019 00:00:00 GMT
      DOI: 10.1093/arclin/acz007
      Issue No: Vol. 35, No. 3 (2019)
       
  • Default mode network functional connectivity after multiple concussions in
           children and adolescents
    • Authors: Plourde V; Rohr C, Virani S, et al.
      Pages: 302 - 311
      Abstract: AbstractThe default mode network (DMN), a set of brain regions, has been shown to be affected post-concussion.ObjectiveThis cross-sectional study aims to elucidate if children and adolescents with multiple concussions demonstrate long-term alterations in DMN functional connectivity (FC).MethodParticipants (N = 57, 27 girls and 30 boys; 8-19 years old, M age = 14.7, SD = 2.8) were divided into three groups (orthopedic injury [OI] n = 20; one concussion n = 16; multiple concussions n = 21, M = 3.2 concussions, SD = 1.7) and seen on average 31.6 months post-injury (range 4.3-130.7 months; SD = 19.4). They underwent a resting-state functional magnetic resonance imaging scan. Parents completed the ADHD rating scale-5 for children and adolescents. Children and parents completed the post-concussion symptom inventory (PCSI).ResultsAnterior and posterior DMN components were extracted from the fMRI data for each participant using FSL’s MELODIC and dual regression. We tested for pairwise group differences within each DMN component in FSL’s Randomize (5000 permutations) using threshold-free cluster enhancement to estimate cluster activation, controlling for age, sex, and symptoms of inattention. FC of the anterior DMN was significantly reduced in the group with multiple concussions compared to the two other groups, whereas there were no significant group differences on FC of the posterior DMN. There were no significant associations between DMN FC and PCSI scores.ConclusionsThese results suggest reduced FC in the anterior DMN in youth with multiple concussions, but no linear association with post-concussive symptoms.
      PubDate: Tue, 24 Dec 2019 00:00:00 GMT
      DOI: 10.1093/arclin/acz073
      Issue No: Vol. 35, No. 3 (2019)
       
  • Retired National Football League Players are Not at Greater Risk for
           Suicide
    • Authors: Iverson G.
      Pages: 332 - 341
      Abstract: AbstractObjectiveSome researchers have claimed that former National Football League (NFL) players are at increased risk for suicide as a clinical feature of chronic traumatic encephalopathy (CTE). This review examines the literature on risk for suicide in former professional football players, and the association between suicide and CTE.MethodA narrative review of the literature published between 1928 and 2018.ResultsBetween 1928 and 2009, suicide was not considered to be a clinical feature of CTE in the literature. The best available evidence from epidemiological studies suggests that former NFL football players are at lesser risk for suicide, not greater risk, compared to men in the general population. However, surveys have revealed that a substantial minority of former NFL players have depression and other mental health problems, chronic pain and opioid use is relatively common, and those with depression and chronic pain also have greater life stress and financial difficulties. That minority would be at increased risk for suicidal thoughts and behaviors.ConclusionsResearchers and clinicians are encouraged to be cautious and circumspect when considering the clinical presentation of former athletes, and to not assume that depression and suicidality are caused by specific types of neuropathology. This represents a reductionistic and Procrustean view. Some former football players have mental health problems, but it should not be assumed uncritically that the underlying cause is an inexorably progressive neurodegenerative disease. Providing evidence-informed and evidence-supported treatments for depression and suicidality might reduce suffering and improve their functioning.
      PubDate: Sat, 26 Oct 2019 00:00:00 GMT
      DOI: 10.1093/arclin/acz023
      Issue No: Vol. 35, No. 3 (2019)
       
  • Book Review: A Readable Introduction and Overview of the Neuropsychology
           of Sports-Related Concussion, Edited by Dr. Peter A.
           Arnett.Neuropsychology of Sports-Related Concussion, Peter A. Arnett
           (Ed.). American Psychological Association, Washington. ISBN:
           9781433829796. 403 pp., $89.99 USD.
    • Authors: Silva M.
      Pages: 342 - 344
      Abstract: Sports-related concussion (SRC) is a public health problem widely recognized by neuropsychologists and other health care providers. Over the past 20 years, the evidence base for concussion management has been rapidly growing. Several neuropsychologists including Ruben Echemendia, Grant Iverson, Michael McCrea, and many others have been at the forefront advancing clinical research into SRC and informing policy related to assessment and treatment of concussion. More recently, athletes, trainers, family members, and school administrators have become familiar with the term “concussion” and potential consequences of brain injuries, in large part due to heavily publicized accounts of injured professional athletes. Millions of concussions are sustained annually in the USA, and most neuropsychologists will encounter patients presenting with recent and/or prior history of SRC. Much has been written on this topic; a PubMed search of sports and concussion yields over 1500 entries, and hundreds of books have been published on the subject. However, Arnett’s book is among the few available that focuses specifically on the neuropsychological aspects of SRC, with many leaders in the field of SRC research contributing to the book’s content.
      PubDate: Mon, 16 Dec 2019 00:00:00 GMT
      DOI: 10.1093/arclin/acz050
      Issue No: Vol. 35, No. 3 (2019)
       
 
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