Evaluating the Effect of Jammer Radiation on Learning and Memory in Male Rats

Background: Previous studies shown that mobile phone can impairment of working memory in humans. Objective: In this study, the effect of radiofrequency radiation emitted from common mobile jammers have been studied on the learning and memory of rats.Material and Methods: In this prospective study, 9...

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Main Authors: Mehrnaz Yazdanpanahi, Abasaleh Namazi, Manzar Banoo Shojaeifard, Samaneh Nematollahii, Saeedeh Pourahmad
Format: Article
Language:English
Published: Shiraz University of Medical Sciences 2023-02-01
Series:Journal of Biomedical Physics and Engineering
Subjects:
Online Access:https://jbpe.sums.ac.ir/article_46879_4ba273e5f666304155af5276fc5b8001.pdf
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author Mehrnaz Yazdanpanahi
Abasaleh Namazi
Manzar Banoo Shojaeifard
Samaneh Nematollahii
Saeedeh Pourahmad
author_facet Mehrnaz Yazdanpanahi
Abasaleh Namazi
Manzar Banoo Shojaeifard
Samaneh Nematollahii
Saeedeh Pourahmad
author_sort Mehrnaz Yazdanpanahi
collection DOAJ
description Background: Previous studies shown that mobile phone can impairment of working memory in humans. Objective: In this study, the effect of radiofrequency radiation emitted from common mobile jammers have been studied on the learning and memory of rats.Material and Methods: In this prospective study, 90 Sprague-Dawley rats, were divided into 9 groups (N=10): Control, Sham1st (exposed to a switched-off mobile jammer device at a distance of 50 or 100 cm/1 day, 2 hours), Sham2nd (similar to Sham1st, but for 14 days, 2 h/day), Experimental1st -50 cm/1 day &100 cm/1 day (exposed to a switched-on device at a distance of 50 or 100 cm for 2 hours), Experimental2nd (similar to experimental1st, but for 14 days, 2 h/day). The animals were tested for learning and memory the next day, by the shuttle box. The time that a rat took to enter the dark part was considered as memory. Results: Mean short-term memory was shorter in the experimental- 50 cm/1 day than control and sham- 50 cm/1 day (P=0.034), long-term memory was similar. Mean short- and long-term memory were similar in the experimental- 100 cm/1 day, control and sham- 100 cm/1 day (P>0.05). Mean short-term memory was similar in experimental- 50 cm/14 days, control, and sham- 50 cm/14 days (P=0.087), but long-term learning memory was shorter in the radiated group (P=0.038). Mean short- and long-term were similar among experimental-100 cm/14 days, control or sham 100 cm/14 days (P>0.05).  Conclusion: Rats exposed to jammer device showed dysfunction in short- and long-term memory, which shown the unfavorable effect of jammer on memory and learning. Our results indicated that the distance from radiation source was more important than the duration.
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spelling doaj.art-3fec30bc47b54a5f9907a5a943eb45b32023-02-08T07:42:08ZengShiraz University of Medical SciencesJournal of Biomedical Physics and Engineering2251-72002023-02-01131293810.31661/jbpe.v0i0.2001-104946879Evaluating the Effect of Jammer Radiation on Learning and Memory in Male RatsMehrnaz Yazdanpanahi0Abasaleh Namazi1Manzar Banoo Shojaeifard2Samaneh Nematollahii3Saeedeh Pourahmad4Ionizing and Non-ionizing Radiation Protection Research Center, School of Medicine, Shiraz University of Medical Sciences, Shiraz, IranIonizing and Non-ionizing Radiation Protection Research Center, School of Medicine, Shiraz University of Medical Sciences, Shiraz, IranIonizing and Non-ionizing Radiation Protection Research Center, School of Medicine, Shiraz University of Medical Sciences, Shiraz, IranBiostatics Department, School of Medicine, Shiraz University of Medical Sciences, Shiraz, IranBiostatics Department, School of Medicine, Shiraz University of Medical Sciences, Shiraz, IranBackground: Previous studies shown that mobile phone can impairment of working memory in humans. Objective: In this study, the effect of radiofrequency radiation emitted from common mobile jammers have been studied on the learning and memory of rats.Material and Methods: In this prospective study, 90 Sprague-Dawley rats, were divided into 9 groups (N=10): Control, Sham1st (exposed to a switched-off mobile jammer device at a distance of 50 or 100 cm/1 day, 2 hours), Sham2nd (similar to Sham1st, but for 14 days, 2 h/day), Experimental1st -50 cm/1 day &100 cm/1 day (exposed to a switched-on device at a distance of 50 or 100 cm for 2 hours), Experimental2nd (similar to experimental1st, but for 14 days, 2 h/day). The animals were tested for learning and memory the next day, by the shuttle box. The time that a rat took to enter the dark part was considered as memory. Results: Mean short-term memory was shorter in the experimental- 50 cm/1 day than control and sham- 50 cm/1 day (P=0.034), long-term memory was similar. Mean short- and long-term memory were similar in the experimental- 100 cm/1 day, control and sham- 100 cm/1 day (P>0.05). Mean short-term memory was similar in experimental- 50 cm/14 days, control, and sham- 50 cm/14 days (P=0.087), but long-term learning memory was shorter in the radiated group (P=0.038). Mean short- and long-term were similar among experimental-100 cm/14 days, control or sham 100 cm/14 days (P>0.05).  Conclusion: Rats exposed to jammer device showed dysfunction in short- and long-term memory, which shown the unfavorable effect of jammer on memory and learning. Our results indicated that the distance from radiation source was more important than the duration.https://jbpe.sums.ac.ir/article_46879_4ba273e5f666304155af5276fc5b8001.pdfelectromagnetic radiationspatial learningmemorynon-ionizing radiation
spellingShingle Mehrnaz Yazdanpanahi
Abasaleh Namazi
Manzar Banoo Shojaeifard
Samaneh Nematollahii
Saeedeh Pourahmad
Evaluating the Effect of Jammer Radiation on Learning and Memory in Male Rats
Journal of Biomedical Physics and Engineering
electromagnetic radiation
spatial learning
memory
non-ionizing radiation
title Evaluating the Effect of Jammer Radiation on Learning and Memory in Male Rats
title_full Evaluating the Effect of Jammer Radiation on Learning and Memory in Male Rats
title_fullStr Evaluating the Effect of Jammer Radiation on Learning and Memory in Male Rats
title_full_unstemmed Evaluating the Effect of Jammer Radiation on Learning and Memory in Male Rats
title_short Evaluating the Effect of Jammer Radiation on Learning and Memory in Male Rats
title_sort evaluating the effect of jammer radiation on learning and memory in male rats
topic electromagnetic radiation
spatial learning
memory
non-ionizing radiation
url https://jbpe.sums.ac.ir/article_46879_4ba273e5f666304155af5276fc5b8001.pdf
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