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Paper Information

Title: 

EFFECTS OF REM SLEEP DEPRIVATION DURING THE DAYS OF 17, 18 AND 19 OF PREGNANCY PERIOD ON SPATIAL LEARNING OF ITS ADULT FEMALE RAT OFFSPRING

Type: POSTER
Author(s): POURRAHIMI A.M.,ABBASNEZHAD M.,SHEYBANI VAHID,MAZHARI SH.
 
 
 
Name of Seminar: IRANIAN CONGRESS OF PHYSIOLOGY AND PHARMACOLOGY
Type of Seminar:  CONGRESS
Sponsor:  PHYSIOLOGY AND PHARMACOLOGY SOCIETY, MASHHAD UNIVERSITY OF MEDICAL SCIENCE
Date:  2007Volume 18
 
 
Abstract: 

Introduction: Previous studies have shown that different environmental stresses during pregnancy, affect physiological behavior of their offspring. In this investigation the effects of REM sleep deprivation of pregnant rats on spatial learning of the adult female offspring by Morris water maze were studied.
Methods: We used flower pot technique for inducing REM sleep deprivation. Learning indices of the pregnant rats offspring which were deprivated 3 days (E17, E18 and E19) in the small platform (diameter: 5.5 cm) compared with the large platform (diameter: 19 cm) (sham) and undeprived (control) groups.
Results: Our results showed that the distance traveled to locate the hidden platform in target quadrant, latency to find the hidden platform in offspring of REM sleep deprivated group in compared with its sham and control, and the time percentage in target quadrant in offspring of REM sleep deprivated group in compared with its sham, significantly were increased (P<0.05).
Conclusion: Based on our findings, it seems that, this range of sleep deprivation could be caused the changes in nervous system (i.e. hippocampus) and decreasing in spatial learning of adult female offspring rats.

 
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