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American Journal of Medical and Biological Research    [5 followers]  Follow    
  This is an Open Access Journal Open Access journal
     ISSN (Print) 2328-4080 - ISSN (Online) 2328-4099
     Published by Science and Education Publishing Homepage  [19 journals]
  • The Game of Reading: When Saccades and Fixations Play on a Seesaw
    • Authors: Carlo Aleci
      Pages: 31 - 36
      Abstract: Although in experimental psychology the fixation/saccadic sequence is a main topic of debate, so far in the clinical ophthalmological field such an argument has raised relatively few interest. Nevertheless, studying the possible alterations of the saccadic rate and of the positioning of fixations when analyzing a visual scene may illuminate on the source of reading difficulty in a variety of patients, like dyslexic children or those affected by hemianopia as well as central visual field impairment. Recently, new light has been shed on the saccadic/fixation dynamics, both in the temporal and spatial domain. In addition, according to recent findings a visuoperceptive distortion could potentially affect the saccades/fixation sequence, making the matter much more complex than expected. The aim of this article is therefore to describe the saccadic/fixation seesaw under the temporal and spatial perspective and to disclose the possible influence of visuoperceptive impairments.
      PubDate: 2014-02-28
      Issue No: Vol. 2, No. 2 (2014)
       
  • Testicular Damage in Telfairia Occidentalis Extract Treated Wista
           Rats
    • Authors: Adisa W.A; Okhiai O, Bankole J.K, Iyamu O.A, Aigbe O.
      Pages: 37 - 45
      Abstract: Telfairia occidentalis commonly called Pumpkin or Ugwu in Nigeria is one of such plant with claimed medicinal value. No doubt this acclaimed beneficial value may be popularizing its ingestion amongst male populations on whom paucity of literature is present. Hence this study is aimed at determining the effect of Telfairia occidentalis leave extract on testicular histology archipuncture. The study involves 18 adult male rats of comparable weight. They were grouped into three (A, B, and C) where a served as control and B and C served as the test groups. The test group B and C were administered varying doses of the leave extract of Telfairia occidentallis according to body weight. This experiment lasted for four weeks after acclimatization. At the end of the four weeks of study, blood samples were obtained from the rats for analysis of testosterone value. In addition their testes were obtained and fixed in 10% formalin for histological analysis. The result showed a reducing potential effect on plasma testosterone level in a dose dependent fashion. Statistically the plasma testosterone levels of test group B (1.40±0.45ng/ml) were significant at P < 0.05 compared to that of control (2.70±0.96ng/ml). Furthermore the histological presentation was a dose dependent damage on testicular cells. This damages ranges from basement membrane distortions, cellular degeneration, hemorrhage, interstitial space exudations and cellular necrosis. Conclusively, judging by the result of the study. Telfairia occidentallis leave extract have potential for reducing male sexual function considering the observed effect on plasma testosterone level and may also be testiculotoxic indicated by the histological presentation of the testis.
      PubDate: 2014-03-06
      Issue No: Vol. 2, No. 2 (2014)
       
 
 
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