Volume 29, Issue 3 (Monthly_Jun 2018)                   J Urmia Univ Med Sci 2018, 29(3): 159-173 | Back to browse issues page

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Peyrouvi A, Agdasi M, Ashrafi-Osalou M, Ghaderi Pakdel F. PREVENTIVE EFFECT OF TWELVE WEEKS MODERATE TREADMILL TRAINING ON ACTIVE AVOIDANCE LEARNING IMPAIRMENT THROUGH BILATERAL HIPPOCAMPAL LESION IN RATS: COGNITIVE BEHAVIORAL EVIDENCE. J Urmia Univ Med Sci. 2018; 29 (3) :159-173
URL: http://umj.umsu.ac.ir/article-1-4343-en.html
Urmia University of Medical Sciences , info@fgpakdel.com
Abstract:   (449 Views)
Background & Aims: Preventive effects of exercise on human health is well documented but there are some challenges about the preventive effects of exercise on the incidence, intensity, or the prevalence of clinical and paraclinical outcomes of neurodegenerative disease. The study of different aspects of exercise in finding the mechanism of prevention is very important. The preventive effects of the moderate treadmill training on the learning impairment due to bilateral hippocampal lesion in the rat were evaluated in this study. 
Materials & Methods: Thirty male healthy Wistar rats were allocated into six groups with equal (n=5) number called; naïve, control with training, sham with and without training, hippocampal lesion with or without training groups. CA3 of animal hippocampi were lesioned by applying electrical current (10 mA, 20 sec) under control stereotaxic surgery. The trained groups after one-week adaptation had one hour of moderated treadmill training for 12 months. The conditioned active avoidance learning was assessed by shuttle box apparatus. Learning assay included 3 sessions daily with 5 trials in each and 3 hours inter-session interval for 10 days. Crosstab and two-way ANOVA were used for statistical evaluation with p<0.05 as the least significance level.
Results: The results showed that the number of trained animals in achieving improved learning was greater compared with untrained animals. Although animals with the bilateral hippocampal lesions had learning impairment compared with the control; the trained lesioned animals showed better learning in the trail numbers and days in achieving the level to avoid electrical shock.  
Conclusion: Although exercise preventive effects are obvious, the efficacy of exercise type, duration, intensity, and mechanism of action need some other studies. The effects of different forms of exercise on the cognition is not investigated well. Here, the moderate treadmill training showed preventive effects on learning impairment due to bilateral hippocampal lesion in the rats.
 
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Type of Study: Research | Subject: Exercise physiology

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