Influence of magnetic field on brain activity during administration of caffeine.

Abstract:

:The aim of the present work is to evaluate the effect of caffeine, the world's most popular psychoactive drug, on the electric activity of the rat's brain that exposed to extremely low-frequency magnetic field (ELF-MF), during 15 days. The obtained results showed that administration of caffeine in a group of rats by dose of 10 mg/kg (equivalent to human daily consumption) caused a reduction in the mean power amplitude of electroencephalogram (EEG) trace for almost all frequency bands especially α (8-12 Hz). It was observed that the influence of caffeine was more evident in motor cortex than in visual cortex. While the exposure of another group to ELF-MF of intensity 0.2 mT during the same period caused an enhancement in the mean power amplitude of most EEG frequency bands; this was more observed in the right hemisphere of the brain than that of the left hemisphere. The administration of caffeine while rats were exposed to ELF-MF, led, after 5 days of exposure, to a great increase in the mean power amplitude of α band at all places of recording electrodes. It may be concluded that caffeine administration was more effective in reducing the hazardous of ELF-MF in motor cortex than in visual cortex.

journal_name

Cell Biochem Biophys

authors

El Gohary MI,Salama AA,El Saeid AA,El Sayed TM,Kotb HSh

doi

10.1007/s12013-013-9584-x

subject

Has Abstract

pub_date

2013-01-01 00:00:00

pages

929-33

issue

3

eissn

1085-9195

issn

1559-0283

journal_volume

67

pub_type

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