%0 Journal Article %T Spatial memory perfomance of wistar rats exposed to mobile phone %A Narayanan %A Sareesh Naduvil %A Kumar %A Raju Suresh %A Potu %A Bhagath Kumar %A Nayak %A Satheesha %A Mailankot %A Maneesh %J Clinics %D 2009 %I Faculdade de Medicina / USP %R 10.1590/S1807-59322009000300014 %X introduction: with the tremendous increase in number of mobile phone users world wide, the possible risks of this technology have become a serious concern. objective: we tested the effects of mobile phone exposure on spatial memory performance. materials and methods: male wistar rats (10-12 weeks old) were exposed to 50 missed calls/day for 4 weeks from a gsm (900/1800mhz) mobile phone in vibratory mode (no ring tone). after the experimental period, the animals were tested for spatial memory performance using the morris water maze test. results: both phone exposed and control animals showed a significant decrease in escape time with training. phone exposed animals had significantly (~3 times) higher mean latency to reach the target quadrant and spent significantly (~2 times) less time in the target quadrant than age- and sex-matched controls. conclusion: mobile phone exposure affected the acquisition of learned responses in wistar rats. this in turn points to the poor spatial navigation and the object place configurations of the phone-exposed animals. %K mobile phone %K rats %K memory %K learning %K water maze. %U http://www.scielo.br/scielo.php?script=sci_abstract&pid=S1807-59322009000300014&lng=en&nrm=iso&tlng=en