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  Subjects -> PSYCHOLOGY (Total: 1066 journals)
Showing 1 - 174 of 174 Journals sorted alphabetically
Academic Psychiatry and Psychology Journal : APPJ     Open Access   (Followers: 25)
Acción Psicológica     Open Access   (Followers: 5)
Acta Colombiana de Psicología     Open Access   (Followers: 9)
Acta Comportamentalia     Open Access   (Followers: 4)
Acta de Investigación Psicológica     Open Access   (Followers: 2)
Acta Psychologica     Hybrid Journal   (Followers: 29)
Activités     Open Access   (Followers: 1)
Actualidades en Psicologia     Open Access   (Followers: 2)
Adaptive Human Behavior and Physiology     Hybrid Journal   (Followers: 4)
Addictive Behaviors Reports     Open Access   (Followers: 12)
ADHD Attention Deficit and Hyperactivity Disorders     Hybrid Journal   (Followers: 30)
ADHD Report The     Full-text available via subscription   (Followers: 12)
Adolescent Research Review     Hybrid Journal   (Followers: 6)
Advances in Experimental Social Psychology     Full-text available via subscription   (Followers: 58)
Advances in Mental Health     Hybrid Journal   (Followers: 100)
Advances in Methods and Practices in Psychological Science     Full-text available via subscription   (Followers: 20)
Advances in Neurodevelopmental Disorders     Hybrid Journal   (Followers: 4)
Advances in Physiotherapy     Hybrid Journal   (Followers: 79)
Advances in Psychology     Full-text available via subscription   (Followers: 79)
Advances in the Study of Behavior     Full-text available via subscription   (Followers: 40)
Affective Science     Hybrid Journal   (Followers: 3)
African Journal of Cross-Cultural Psychology and Sport Facilitation     Full-text available via subscription   (Followers: 6)
Aggression and Violent Behavior     Hybrid Journal   (Followers: 499)
Aggressive Behavior     Hybrid Journal   (Followers: 23)
Aging Psychology     Open Access   (Followers: 14)
Aging, Neuropsychology, and Cognition     Hybrid Journal   (Followers: 53)
Ágora - studies in psychoanalytic theory     Open Access   (Followers: 5)
Ajayu Órgano de Difusión Científica del Departamento de Psicología UCBSP     Open Access  
Aletheia     Open Access   (Followers: 2)
American Behavioral Scientist     Hybrid Journal   (Followers: 26)
American Imago     Full-text available via subscription   (Followers: 3)
American Journal of Applied Psychology     Open Access   (Followers: 60)
American Journal of Community Psychology     Hybrid Journal   (Followers: 35)
American Journal of Health Behavior     Full-text available via subscription   (Followers: 26)
American Journal of Orthopsychiatry     Hybrid Journal   (Followers: 9)
American Journal of Psychoanalysis     Hybrid Journal   (Followers: 27)
American Journal of Psychology     Full-text available via subscription   (Followers: 51)
American Psychologist     Full-text available via subscription   (Followers: 308)
An-Nafs : Jurnal Fakultas Psikologi     Open Access  
Anales de Psicología / Annals of Psychology     Open Access   (Followers: 2)
Análise Psicológica     Open Access   (Followers: 1)
Análisis y Modificación de Conducta     Open Access   (Followers: 2)
Analitika : Jurnal Magister Psikologi Uma     Open Access  
Analogías del Comportamiento     Open Access   (Followers: 1)
Analysis     Full-text available via subscription   (Followers: 4)
Annual Review of Clinical Psychology     Full-text available via subscription   (Followers: 99)
Annual Review of Organizational Psychology and Organizational Behavior     Full-text available via subscription   (Followers: 49)
Annual Review of Psychology     Full-text available via subscription   (Followers: 364)
Anuario de investigaciones (Facultad de Psicología. Universidad de Buenos Aires)     Open Access   (Followers: 2)
Anuario de Investigaciones de la Facultad de Psicología     Open Access  
Anuario de Psicología / The UB Journal of Psychology     Open Access   (Followers: 1)
Anuario de Psicología Jurídica     Open Access   (Followers: 1)
Anuario Pilquen : Sección Divulgación Científica     Open Access  
Anxiety, Stress & Coping: An International Journal     Hybrid Journal   (Followers: 28)
Applied and Preventive Psychology     Hybrid Journal   (Followers: 19)
Applied Cognitive Psychology     Hybrid Journal   (Followers: 82)
Applied Neuropsychology : Adult     Hybrid Journal   (Followers: 52)
Applied Neuropsychology : Child     Hybrid Journal   (Followers: 31)
Applied Psycholinguistics     Hybrid Journal   (Followers: 29)
Applied Psychological Measurement     Hybrid Journal   (Followers: 21)
Applied Psychology     Hybrid Journal   (Followers: 264)
Applied Psychology: Health and Well-Being     Hybrid Journal   (Followers: 65)
Applied Psychophysiology and Biofeedback     Hybrid Journal   (Followers: 8)
Aprender     Open Access  
Archives of Clinical Neuropsychology     Hybrid Journal   (Followers: 36)
Archives of Depression and Anxiety     Open Access   (Followers: 2)
Archives of Scientific Psychology     Open Access   (Followers: 6)
Archives of Suicide Research     Hybrid Journal   (Followers: 11)
Arquivos Brasileiros de Psicologia     Open Access   (Followers: 1)
Art Therapy Online     Open Access   (Followers: 5)
Asia Pacific Journal of Counselling and Psychotherapy     Hybrid Journal   (Followers: 11)
Asia-Pacific Psychiatry     Hybrid Journal   (Followers: 5)
Asian American Journal of Psychology     Full-text available via subscription   (Followers: 8)
Asian Journal of Behavioural Studies     Open Access   (Followers: 2)
Asian Journal of Business Ethics     Hybrid Journal   (Followers: 13)
Assessment     Hybrid Journal   (Followers: 19)
Attention, Perception & Psychophysics     Full-text available via subscription   (Followers: 17)
Augmented Human Research     Hybrid Journal   (Followers: 1)
Australasian Journal of Organisational Psychology     Hybrid Journal   (Followers: 10)
Australian and Aotearoa New Zealand Psychodrama Association Journal     Full-text available via subscription   (Followers: 2)
Australian Journal of Psychology     Hybrid Journal   (Followers: 26)
Australian Journal of Rehabilitation Counseling     Full-text available via subscription   (Followers: 6)
Australian Psychologist     Hybrid Journal   (Followers: 15)
Autism Research     Hybrid Journal   (Followers: 61)
Autism Research and Treatment     Open Access   (Followers: 37)
Autism's Own     Open Access   (Followers: 10)
Autism-Open Access     Open Access   (Followers: 10)
Avaliação Psicológica     Open Access  
Avances en Psicologia Latinoamericana     Open Access   (Followers: 1)
Aviation Psychology and Applied Human Factors     Hybrid Journal   (Followers: 26)
Balint Journal     Hybrid Journal   (Followers: 3)
Barbaroi     Open Access  
Basic and Applied Social Psychology     Hybrid Journal   (Followers: 46)
Behavior Analysis in Practice     Full-text available via subscription   (Followers: 16)
Behavior Analysis: Research and Practice     Full-text available via subscription   (Followers: 9)
Behavior Analyst     Hybrid Journal   (Followers: 7)
Behavior and Social Issues     Full-text available via subscription   (Followers: 2)
Behavior Modification     Hybrid Journal   (Followers: 14)
Behavior Research Methods     Hybrid Journal   (Followers: 27)
Behavior Therapy     Hybrid Journal   (Followers: 57)
Behavioral Development Bulletin     Full-text available via subscription  
Behavioral Disorders     Hybrid Journal   (Followers: 1)
Behavioral Interventions     Hybrid Journal   (Followers: 18)
Behavioral Neuroscience     Full-text available via subscription   (Followers: 68)
Behavioral Sciences & the Law     Hybrid Journal   (Followers: 30)
Behavioral Sleep Medicine     Hybrid Journal   (Followers: 16)
Behaviormetrika     Hybrid Journal  
Behaviour Change     Full-text available via subscription   (Followers: 13)
Behaviour Research and Therapy     Hybrid Journal   (Followers: 23)
Behavioural and Cognitive Psychotherapy     Hybrid Journal   (Followers: 238)
Behavioural Processes     Hybrid Journal   (Followers: 9)
Behavioural Public Policy     Hybrid Journal   (Followers: 11)
Behavioural Sciences Undergraduate Journal     Open Access   (Followers: 6)
Beyond Behavior     Hybrid Journal   (Followers: 1)
Biofeedback     Hybrid Journal   (Followers: 4)
BioPsychoSocial Medicine     Open Access   (Followers: 9)
BMC Psychology     Open Access   (Followers: 22)
Body, Movement and Dance in Psychotherapy: An International Journal for Theory, Research and Practice     Hybrid Journal   (Followers: 15)
Boletim Academia Paulista de Psicologia     Open Access  
Boletim de Psicologia     Open Access  
Brain Informatics     Open Access   (Followers: 1)
Brain Science Advances     Open Access  
British Journal of Clinical Psychology     Full-text available via subscription   (Followers: 237)
British Journal of Developmental Psychology     Hybrid Journal   (Followers: 41)
British Journal of Educational Psychology     Hybrid Journal   (Followers: 45)
British Journal of Health Psychology     Hybrid Journal   (Followers: 53)
British Journal of Mathematical and Statistical Psychology     Full-text available via subscription   (Followers: 20)
British Journal of Psychology     Full-text available via subscription   (Followers: 77)
British Journal of Psychotherapy     Hybrid Journal   (Followers: 73)
British Journal of Social Psychology     Full-text available via subscription   (Followers: 48)
Buletin Psikologi     Open Access  
Burnout Research     Open Access   (Followers: 11)
Cadernos de psicanálise (Rio de Janeiro)     Open Access   (Followers: 1)
Cadernos de Psicologia Social do Trabalho     Open Access   (Followers: 1)
Cahiers d’Études sur la Représentation     Open Access  
Canadian Art Therapy Association     Hybrid Journal   (Followers: 1)
Canadian Journal of Art Therapy : Research, Practice, and Issues     Hybrid Journal   (Followers: 1)
Canadian Journal of Behavioural Science     Full-text available via subscription   (Followers: 7)
Canadian Journal of Experimental Psychology     Full-text available via subscription   (Followers: 19)
Canadian Psychology / Psychologie canadienne     Full-text available via subscription   (Followers: 14)
Case Studies in Sport and Exercise Psychology     Hybrid Journal   (Followers: 6)
Castalia : Revista de Psicología de la Academia     Open Access  
CASUS : Revista de Investigación y Casos en Salud     Open Access   (Followers: 1)
Cendekia : Jurnal Kependidikan dan Kemasyarakatan     Open Access  
CES Psicología     Open Access  
Child Development Perspectives     Hybrid Journal   (Followers: 41)
Child Development Research     Open Access   (Followers: 26)
Ciencia Cognitiva     Open Access   (Followers: 3)
Ciencia e Interculturalidad     Open Access   (Followers: 2)
Ciências & Cognição     Open Access   (Followers: 1)
Ciencias Psicológicas     Open Access  
Clínica y Salud     Open Access  
Clinical Medicine Insights : Psychiatry     Open Access   (Followers: 10)
Clinical Practice & Epidemiology in Mental Health     Open Access   (Followers: 2)
Clinical Practice in Pediatric Psychology     Full-text available via subscription   (Followers: 14)
Clinical Psychological Science     Hybrid Journal   (Followers: 16)
Clinical Psychologist     Hybrid Journal   (Followers: 21)
Clinical Psychology & Psychotherapy     Hybrid Journal   (Followers: 92)
Clinical Psychology and Special Education     Open Access   (Followers: 8)
Clinical Psychology Review     Hybrid Journal   (Followers: 59)
Clinical Psychology: Science and Practice     Hybrid Journal   (Followers: 29)
Clinical Schizophrenia & Related Psychoses     Full-text available via subscription   (Followers: 12)
Clocks & Sleep     Open Access   (Followers: 2)
Coaching : Theorie & Praxis     Open Access   (Followers: 3)
Coaching Psykologi : The Danish Journal of Coaching Psychology     Open Access   (Followers: 2)
Cogent Psychology     Open Access  
Cógito     Open Access  
Cognition & Emotion     Hybrid Journal   (Followers: 49)
Cognitive Behaviour Therapist     Hybrid Journal   (Followers: 15)
Cognitive Behaviour Therapy     Hybrid Journal   (Followers: 22)
Cognitive Neuropsychology     Hybrid Journal   (Followers: 43)
Cognitive Psychology     Hybrid Journal   (Followers: 88)
Cognitive Research : Principles and Implications     Open Access   (Followers: 5)
Community Psychology in Global Perspective     Open Access   (Followers: 1)
Comprehensive Psychoneuroendocrinology     Open Access  
Comprehensive Results in Social Psychology     Hybrid Journal   (Followers: 1)
Consciousness and Cognition     Hybrid Journal   (Followers: 41)
Construção Psicopedagógica     Open Access  
Consulting Psychology Journal : Practice and Research     Full-text available via subscription   (Followers: 4)
Consumer Psychology Review     Hybrid Journal   (Followers: 2)
Contagion : Journal of Violence, Mimesis, and Culture     Full-text available via subscription   (Followers: 7)
Contemporary Educational Psychology     Hybrid Journal   (Followers: 34)
Contemporary Psychoanalysis     Hybrid Journal   (Followers: 2)
Contemporary School Psychology     Hybrid Journal   (Followers: 7)
Contextos Clínicos     Open Access  
Counseling et spiritualité / Counselling and Spirituality     Full-text available via subscription   (Followers: 2)
Counseling Outcome Research and Evaluation     Hybrid Journal   (Followers: 13)
Counseling Psychologist     Hybrid Journal   (Followers: 17)
Counseling Psychology and Psychotherapy     Open Access   (Followers: 19)
Counselling and Psychotherapy Research : Linking research with practice     Hybrid Journal   (Followers: 29)
Counselling and Values     Hybrid Journal   (Followers: 7)
Counselling Psychology Quarterly     Hybrid Journal   (Followers: 17)
Couple and Family Psychology : Research and Practice     Full-text available via subscription   (Followers: 9)
Creativity Research Journal     Hybrid Journal   (Followers: 30)
Creativity. Theories ? Research ? Applications     Open Access   (Followers: 9)
Crime Psychology Review     Hybrid Journal   (Followers: 1)
Criminal Justice Ethics     Hybrid Journal   (Followers: 13)
Cuadernos de Marte     Open Access  
Cuadernos de Neuropsicología     Open Access   (Followers: 2)
Cuadernos de Psicologia del Deporte     Open Access  

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Similar Journals
Journal Cover
Applied Psychophysiology and Biofeedback
Journal Prestige (SJR): 0.519
Citation Impact (citeScore): 2
Number of Followers: 8  
 
  Hybrid Journal Hybrid journal (It can contain Open Access articles)
ISSN (Print) 1573-3270 - ISSN (Online) 1090-0586
Published by Springer-Verlag Homepage  [2658 journals]
  • Correction to: Heart Rate Variability Biofeedback Improves Emotional and
           Physical Health and Performance: A Systematic Review and Meta Analysis

    • Free pre-print version: Loading...

      PubDate: 2021-10-08
       
  • Evaluation of the URGOnight Tele-neurofeedback Device: An Open-label
           Feasibility Study with Follow-up

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      Abstract: SMR neurofeedback shows potential as a therapeutic tool for reducing sleep problems. It is hypothesized that SMR neurofeedback trains the reticulo-thalamocortical-cortical circuit involved in sleep-spindle generation. As such, strengthening this circuit is hypothesized to reduce sleep problems. The current study aims to investigate the effectiveness of a home-based device that uses SMR neurofeedback to help reduce sleep problems. Thirty-seven participants reporting sleep problems received the SMR neurofeedback-based program for 40 (n = 21) or 60 (n = 16) sessions. The Pittsburgh Sleep Quality Index (PSQI) and Holland Sleep Disorders Questionnaire (HSDQ) were assessed at baseline, session 20, outtake, and follow-up (FU). Actigraphy measurements were taken at baseline, session 20, and outtake. Significant improvements were observed in PSQI Total (d = 0.78), PSQI Sleep Duration (d = 0.52), HSDQ Total (d = 0.80), and HSDQ Insomnia (d = 0.79). Sleep duration (based on PSQI) increased from 5.3 h at baseline to 5.8 after treatment and 6.0 h. at FU. No effects of number of sessions were found. Participants qualified as successful SMR-learners demonstrated a significantly larger gain in sleep duration (d = 0.86 pre-post; average gain = 1.0 h.) compared to non-learners. The home-based SMR tele-neurofeedback device shows the potential to effectively reduce sleep problems, with SMR-learners demonstrating significantly better improvement. Although randomized controlled trials (RCTs) are needed to further elucidate the specific effect of this device on sleep problems, this is the first home-based SMR neurofeedback device using dry electrodes demonstrating effectiveness and feasibility.
      PubDate: 2021-09-28
       
  • DSM-5 Adult Attention-Deficit/Hyperactivity Disorder: Sex Differences in
           EEG Activity

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      Abstract: This study examined sex differences in the EEG of adults diagnosed with Attention-Deficit/Hyperactivity Disorder (AD/HD) according to DSM-5 criteria. Sixteen females and 16 males with AD/HD, and age- and sex-matched control groups, had an eyes-closed resting EEG recorded from 19 electrode sites. EEGs were Fast Fourier transformed and estimates for total power, absolute and relative power in the delta, theta, alpha, beta and gamma bands, and the theta/beta ratio, were analysed across nine cortical regions. Males with AD/HD, compared with male controls, had globally reduced absolute beta, globally elevated relative theta, and a larger theta/beta ratio. In contrast, no global effects emerged between females with and without AD/HD. Significant group interactions indicated that globally elevated relative theta and elevated frontal-midline theta/beta ratio noted in males with AD/HD differed significantly from results in females. There are statistically significant EEG differences in relative theta and the theta/beta ratio between males and females with and without AD/HD. These results indicate that AD/HD affects the EEG activity of males and females differently. This study helps confirm the need for further independent examination of AD/HD within female populations.
      PubDate: 2021-09-16
       
  • Reply to Lehrer's Letter Concerning “Incorrect conclusions in L.
           Capdevila et al., Resonance frequency is not always stable over time and
           could be related to the inter-beat interval, Scientific Reports, 11, 8400
           (2021)”

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      PubDate: 2021-09-13
       
  • An Independent Validation of the EEG-Based Complex Trial Protocol with
           Autobiographical Data and Corroboration of its Resistance to a Cognitively
           Charged Countermeasure

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      Abstract: The Complex Trial Protocol (CTP) is a P300-based Concealed Information Test (CIT). The theoretical underpinnings of the CIT in the context of law enforcement usage are sound. The CTP is said to effectively discriminate individuals who recognize novel and meaningful stimuli and to be countermeasure resistant. Forty-five undergraduate students were assigned to three groups and instructed to perform a computer task using autobiographical data in connection to a mock burglary script. P300 peak-to-peak amplitude differences between probe (surname) and irrelevant (patronymic foils) items accurately identified 100% (14/14) of Innocent Controls (IC), 94% (15/16) of Simply Guilty (SG) participants, and 93% (14/15) of Guilty Countermeasure (GCM) subjects who were asked to counter all stimuli by mentally counting backwards continuously during their test presentation. Increased number of mistakes during the test, from combined cognitive erroneous responses to pop quizzes and behavioral errors with button presses, significantly discriminated GCM from IC and SG individuals. GCM participants committed more errors than IC and SG which did not differ from one another. Reaction Time (RT) was only significant between GCM and IC groups. Implications for forensic issues are discussed.
      PubDate: 2021-09-01
       
  • Decrements in Adolescent Cardiac Complexity During Mother-Adolescent
           Conflicts

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      Abstract: The present study aimed to provide further evidence on the usefulness of non-linear cardiac measures when examining the output of the cardiac system. Scale-invariant self-similarity and entropy, in addition to heart rate variability (HRV) given by time- and frequency-domain measures were calculated in a sample of N = 55 healthy adolescents (Mage = 14.122, SDage = 0.698) during 10-min positive (non-stressful) and negative (stressful) interactions with their mothers. We also explored sex influence in adolescents’ cardiac output using both HRV measures and non-linear cardiac measures. Repeated measures MANOVA revealed a marginal within-group effect for HRV measures, F(3,51) = 2.438, p = 0.075, η2p = 0.125), and a significant within-group effect for non-linear cardiac measures, F(6, 48) = 3.296, p = 0.009, η2p = 0.292, showing a significant decrement in adolescents’ cardiac complexity during the negative interaction. No significant effect for sex was found in either non-linear cardiac measures or HRV measures, but results suggest lower cardiac scaling in females than in males. These findings suggest a real-time scale predominance in heart rate output when adolescents face an aversive situation and support the importance of non-linear cardiac measures to gain insight into the cardiac system and its regulatory mechanisms. Further research is needed to examine sex-differences in cardiac complexity during aversive situations.
      PubDate: 2021-09-01
       
  • Computer Gaming and Physiological Changes in the Brain: An Insight from
           QEEG Complexity Analysis

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      Abstract: To compare the pattern of brain waves in video game addicts and normal individuals, a case–control study was carried out on both. Thirty participants were recruited from 14 to 20 years old males from two gaming centers. Twenty healthy participants were gathered from different schools in Tehran using the available sampling method. The QEEG data collection was performed in three states: closed-eye and open-eye states, and during a working memory task. As expected, the power ratios did not show a significant difference between the two groups. Regarding our interest in the complexity of signals, we used the Higuchi algorithm as the feature extractor to provide the input materials for the multilayer perceptron classifier. The results showed that the model had at least a 95% precision rate in classifying the addicts and healthy controls in all three types of tasks. Moreover, significant differences in the Higuchi Fractal Dimension of a few EEG channels have been observed. This study confirms the importance of brain wave complexity in QEEG data analysis and assesses the correlation between EEG-complexity and gaming disorder. Moreover, feature extraction by Higuchi algorithm can render support vector machine classification of the brain waves of addicts and healthy controls more accurate.
      PubDate: 2021-09-01
       
  • Heart Rate Variability and Erectile Function in Younger Men: A Pilot Study

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      Abstract: Erectile dysfunction (ED) in younger men is an increasing concern. In middle aged and older men, ED was related to lower resting heart rate variability (HRV), but research in younger men is lacking. The present study examined, in a nonclinical sample of 105 men between 18 and 39 years, the association of ED with several parameters of resting HRV. Scores of the 5-item version of the International Index of Erectile Function (IIEF-5) below 22 were considered as indicating ED. Eighteen men (17.1%) reported ED (mild in 16, mild to moderate in 2). Welch's tests revealed that ED was associated with lower low-frequency power (LF), lower high-frequency power (HF), lower standard deviation of interbeat intervals, and lower standard deviation of the heart rate, which is influenced by both sympathetic and parasympathetic activity. After removing outliers, ED was unrelated to HF. In younger men, erections might be facilitated by a combination of higher parasympathetic tone and relatively higher sympathetic tone in the heart, as indicated by LF and greater standard deviation of the heart rate, a largely overlooked parameter in HRV research.
      PubDate: 2021-09-01
       
  • Heart Rate Variability Reactivity to Food Image Stimuli is Associated with
           Body Mass Index

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      Abstract: Appetitive control is driven by the hedonic response to food and affected by several factors. Heart rate variability (HRV) signals have been used to index autonomic activity and arousal levels towards visual stimuli. The current research aimed to examine the influence of body mass index (BMI), disordered eating behaviors, and sex on the HRV reactivity to food in a nonclinical sample. Thirty-eight healthy male and sixty-one healthy female participants completed questionnaires assessing disordered eating symptoms. HRV was recorded when the participants received visual stimuli of high-calorie food, neutral and negative emotional signals. Generalized estimating equation models were used to investigate the associations between HRV, BMI, disordered eating behaviors, and sex across the three stimulus types. Male participants demonstrated a higher ratio of low-frequency power to high-frequency power (LF/HF) than females across all the stimulus types. An increase in LF/HF reactivity to food signals was observed in all the study subjects. The moderation effect of BMI on LF/HF in response to food signals was also observed. Our study suggests that body weight may play a role in the interaction between sympathetic activity and food stimuli; however, how the interaction between sympathetic activity and food stimuli contributes to diet control warrants further investigation.
      PubDate: 2021-09-01
       
  • Investigation of a Capnometry Guided Respiratory Intervention in the
           Treatment of Posttraumatic Stress Disorder

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      Abstract: Evidence‐based treatments for posttraumatic stress disorder (PTSD), including psychotherapies and medications, have high dropout and nonresponse rates, suggesting that more acceptable and effective treatments for PTSD are needed. Capnometry Guided Respiratory Intervention (CGRI) is a digital therapeutic effective in panic disorder that measures and displays end-tidal carbon dioxide (EtCO2) and respiratory rate (RR) in real-time within a structured breathing protocol and may have benefit in PTSD by moderating breathing and EtCO2 levels. We conducted a single-arm study of a CGRI system, Freespira®, to treat symptoms of PTSD. Participants with PTSD (n = 55) were treated for four weeks with twice-daily, 17-min at-home CGRI sessions using a sensor and tablet with pre-loaded software. PTSD and associated symptoms were assessed at baseline, end-of treatment, 2-months and 6-months post-treatment. Primary efficacy outcome was 50% of participants having ≥ 6-point decrease in Clinician Administered PTSD Scale (CAPS-5) score at 2-month follow up. Tolerability, usability, safety, adherence and patient satisfaction were assessed. CGRI was well tolerated, with 88% [95% CI 74–96%] having ≥ 6-point decrease in CAPS-5 scores at 2-months post-treatment follow up. Mean CAPS-5 scores decreased from 49.5 [s.d. = 9.2] at baseline to 27.1 [s.d. = 17.8] at 2-months post-treatment follow up. Respiratory rate decreased and EtCO2 levels increased. Associated mental and physical health symptoms also improved. This CGRI intervention was safe, acceptable, and well-tolerated in improving symptoms in this study in PTSD. Further study against an appropriate comparator is warranted. Trial registration Clinicaltrials.gov NCT#03039231.
      PubDate: 2021-09-01
       
  • The Effect of Stress Management Programs on Physiological and
           Psychological Components of Stress: The Influence of Baseline
           Physiological State

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      Abstract: Military personnel are particularly exposed to stressful events, and overexposure to stress is both physically and mentally unhealthy. While stress management programs, such as the Tactics of Optimized Potential (TOP) and Heart Coherence (HC) have been implemented, their efficiency remains to be evaluated. The objective of this randomized control trial was to evaluate the effectiveness of the two programs among a young male population of 180 military fire fighter recruits. Based on two psychological, and one physiological measurement, namely heart rate variability (HRV), we found that both TOP and HC programs significantly increased HRV. This is promising as we know that higher HRV is consistent with better health, in most cases. Moreover, the TOP program significantly reduced perceived stress and negative mood, unlike the HC program. Combining these results, we conclude that while both TOP and HC programs influence physiological measurements, only the TOP modifies psychological evaluations. Finally, we distinguished the effects of the programs on two samples characterized by their HRV level. For the low HRV group, both programs tended to increase their HRV level, while for the high HRV group neither program had a significant effect.
      PubDate: 2021-09-01
       
  • The Association Between Heart Rate Variability and Quality of Life in
           Patients with Functional Somatic Syndrome and Healthy Controls

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      Abstract: Functional somatic syndrome (FSS) includes a spectrum of somatic symptoms with insufficient medical explanation. Its underlying pathophysiology is considered to include dysfunctional stress-responsive systems or autonomic dysfunction. Among the autonomic dysfunction readouts, decreased heart rate variability (HRV) has been shown to be characteristic in patients with FSSs. However, its association with quality of life (QOL) has not been clearly examined. We examined the association between short-term resting HRV and QOL in patients with FSS (n = 47) and healthy controls (n = 28). The time domain parameters of HRV were mean heart rate per minute (HR), coefficient of variation of R–R intervals (CvRR) and root mean square of successive differences (RMSSD). The frequency domain parameters of HRV were low-frequency (LF) power and high-frequency (HF) power by power spectrum analysis. The Japanese version of the WHO’s QOL scale (WHOQOL-BREF) (WHO/QOL26) was used for the QOL assessment. There was a significant positive association between the RMSSD and HF power of HRV and all the QOL domains in patients with FSSs who had lower QOL scores on average than controls, while there was no association between HRV and any of the QOL domains in the control group. HF power was more dominantly associated with QOL than the other variables in patients with FSS based on the analysis with a multiple linear regression model. The present study elucidated that the HF power of HRV was dominantly associated with QOL in patients with FSSs who had lower QOL than controls. Vagal index of HRV could be a valuable indicator of the pathological condition and a significant predictor of health-related QOL in patients with FSSs.
      PubDate: 2021-09-01
       
  • Comparison of Biofeedback and Combined Interventions on Athlete’s
           Performance

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      Abstract: The aim of this study was the comparison of neurofeedback and biofeedback as a combination, against biofeedback intervention alone on athletic performance. 45 novice basketball players were allocated into three groups and assigned accordingly, two experimental and one control group. The experimental group 1 received 24 biofeedback sessions only, experimental group 2 received 24 biofeedback and neurofeedback sessions combined, whereas the control group didn’t receive any form of intervention. Athletic performance scales were used before and after each intervention and multivariate analysis of covariance was used to compare the two groups. Results showed that in comparison to the control group, the athletic performance scales scores in both experimental groups were significantly increased. Furthermore, in experimental group 2 (combined method), we noticed a significantly greater improvement in performance levels than experimental group 1. We concluded that neurofeedback and biofeedback interventions combined, can be used as an effective method to enhance athletic performance.
      PubDate: 2021-09-01
       
  • Reliability of the BodyGuard2 (FirstBeat) in the Detection of Heart Rate
           Variability

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      Abstract: There has been an increasing interest in using cardiac indicators of self-regulation in developmental science. Many researchers are interested in unobtrusive mobile devises that are able to collect reliable cardiac data outside of the laboratory setting. Although numerous new ambulatory devices have become available over the last decade, testing these devices on children in comparison to industry gold-standard devices is rarely conducted. The current study evaluated the reliability of one of these ambulatory systems, the BodyGuard2 (FirstBeat), relative to gold-standard laboratory electrocardiogram (Biopac MP150), during active and resting conditions in 4- to 6-year-old children. The BodyGuard2 performed and produced highly similar indices of heart rate variability across resting and active conditions.
      PubDate: 2021-09-01
       
  • Elevated Heart Rate and Pain During a Cold Pressor Test Correlates to Pain
           Catastrophizing

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      Abstract: To understand the variable response to pain, researchers have examined the change in cardiovascular measures to a uniform painful stimulation. Pain catastrophizing is the tendency to magnify or exaggerate pain sensations, and it affects the outcome of rehabilitation in a clinical setting. Its effect on cardiovascular changes during a painful stimulus is unclear. Twenty-four healthy human participants completed the study. All participants completed a cold pressor test while subjective pain intensity was measured with a numeric pain scale from 0–10. Continuous cardiac output measurements were obtained with finger-pulse plethysmograph waveform analysis. The measurements included systolic and diastolic blood pressure, heart rate averaged over 30 s intervals. Pain catastrophizing and anxiety were assessed using the pain catastrophizing scale (PCS), and Spielberger’s State-Trait Anxiety Inventories, respectively. Peak pain was correlated to pain catastrophizing (r = 0.628, p < 0.01). There was a strong correlation between change in heart rate (HR) and subjective peak pain (r = 0.805, p < 0.01), total PCS (r = 0.474, p < 0.05), and the helplessness subscale of the PCS (r = 0.457, p < 0.05). Peak pain and catastrophizing explained a significant amount of the variance for the change in HR during the cold pressor test (R2 of 0.649 and 0.224 respectively, p = 0.019). These novel findings demonstrate a psycho-physiological relationship between cardiovascular changes and pain catastrophizing. Further research should include participants with subacute or persistent pain.
      PubDate: 2021-08-28
       
  • Pilot Study on Reducing Symptoms of Anxiety with a Heart Rate Variability
           Biofeedback Wearable and Remote Stress Management Coach

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      Abstract: We assessed the feasibility of using a consumer friendly, heart rate variability biofeedback (HRVB) wearable device in conjunction with a remote stress management coach to reduce symptoms of anxiety. We utilized a discreet, continuously wearable electrocardiogram device, the Lief Smart Patch, which measures and records heart rate and HRV in real time, and guides HRVB exercises using vibrations and visual cues. During the 8-week study, participants (N = 14) wore the Lief Smart Patch, participated in HRVB with the device, utilized the mobile app, and communicated with a remote stress management coach. We collected self-report survey responses to measure symptoms of anxiety (GAD-2) and depression (PHQ-2) every 2 weeks, as well as HRV data throughout the study. Participants’ mean GAD-2 score began at 4.6 out of 6. By the trial’s completion, the group’s mean GAD-2 score dropped to 1.7 (t(13) = 11.0, p < .001) with only 2 of the 14 subjects remaining over the clinical threshold of high anxiety. Similarly, the group’s mean PHQ-2 score dropped from 2.93 to 1.29 (t(13) = 3.54, p < .01). In addition, participants increased their HRV (RMSSD) by an average of + 11.4 ms after participating in a low dose biofeedback exercise. These findings suggest that engaging in HRVB through a discreet wearable device in conjunction with a remote stress management program may be effective for reducing symptoms of anxiety and depression.
      PubDate: 2021-07-25
       
  • History and Recent Advances of the Japanese Society of Biofeedback
           Research

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      Abstract: This article provides an overview of the history of the Japanese Society of Biofeedback Research (JSBR) and presents some of its recent advances. Most of the research papers published in the JSBR journal (Biofeedback Kenkyu) have been written in Japanese, and therefore have had very few opportunities to reach global readers. We would like to present some of important findings previously published there. First, we present the history of the JSBR. Secondly, we will focus on paced breathing, which is instrumental in achieving relaxation in heart rate variability biofeedback (HRV-BF). We will look back on the origin of slow-paced breathing in Japan, that could be attributed to the concept of Tanden breathing (abdominal paced breathing) practiced in Zen meditation. Thirdly, we will introduce some of the current research progresses of JSBR, especially focusing on the development of a non-contact sensing technology and relaxation device. Finally, we will explain about a very recent trial, the “Suu-Haa” Relaxation Technique, which we hope may be useful for helping people cope with the SARS-CoV-2 (COVID-19) crisis.
      PubDate: 2021-06-19
       
  • Neural Efficiency and Ability to Produce Accurate Efforts in Different
           Perceived Intensity Zones

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      Abstract: This study aimed to investigate the relationship between neural efficiency and the ability of an athlete to produce accurate efforts in different perceived intensity zones during a racing scenario. The α/β ratio was used to quantify the neural efficiency during cycling, as it traduced the degree of participants information processing activity with lower cortical activity possible. Twelve trained competitive male cyclists delimited their perceived intensity zones 2 to 6 on a scale to assess the rating of exercise intensity. Then, they performed a 30 min racing scenario during which they had to produce different perceived intensities. The ability of athletes to produce perceived effort with accuracy and their neural efficiency was quantified during the racing scenario. The increase in the neural efficiency with the increase in the effort intensity could partly explain the improvement in athletes’ ability to produce accurately perceived efforts from intensity zones 3 to 6. Moreover, the neural efficiency during the racing scenario was significantly correlated to the ability to produce perceived effort with accuracy at submaximal intensities.
      PubDate: 2021-06-19
       
  • In Memoriam: J. Peter Rosenfeld 1940–2021

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      PubDate: 2021-06-01
       
  • EEG Biofeedback for Treatment of Psychogenic Non-Epileptic Seizures (PNES)
           in Multiple Sclerosis: A Case Report

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      Abstract: The objective of the present study was to evaluate the effectiveness of EEG biofeedback for treatment of psychogenic non-epileptic seizures (PNES) in a patient with multiple sclerosis. The patient was a 47-year-old female who has been experiencing several PNES types after being diagnosed with multiple sclerosis. She underwent 16 sessions of the EEG biofeedback over a period of two months. Following EEG biofeedback, the patient reported that her PNES attacks had stopped and the treatment resulted in significant abatement in her clinical seizure symptoms. The analysis of sensorimotor rhythm (SMR) values revealed reduction of psychogenic non-epileptic seizure. The Beck Anxiety Inventory (BAI) and Word Health Organization Quality of Life Questionnaire (WHOQOL) were used before and after treatment. Decreased anxiety as well as increased quality of life was observed after treatment. Generally, the results indicated that EEG biofeedback was a useful procedure in treating PNES, promoting quality of life and reducing anxiety in our patient with multiple sclerosis.
      PubDate: 2021-06-01
       
 
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