24
Jul
2006

Mobile phone effects on children's event-related oscillatory EEG during an auditory memory task

1: Int J Radiat Biol. 2006 Jun;82(6):443-50.

* Krause CM,
* Bjornberg CH,
* Pesonen M,
* Hulten A,
* Liesivuori T,
* Koivisto M,
* Revonsuo A,
* Laine M,
* Hamalainen H.

Cognitive Science Unit, Department of Psychology, University of Helsinki, Helsinki.

Purpose: To assess the effects of electromagnetic fields (EMF) emitted by mobile phones (MP) on the 1 - 20 Hz event-related brain oscillatory EEG (electroencephalogram) responses in children performing an auditory memory task (encoding and recognition).

Materials and methods: EEG data were gathered while 15 subjects (age 10 - 14 years) performed an auditory memory task both with and without exposure to a digital 902 MHz MP in counterbalanced order.

Results: During memory encoding, the active MP modulated the event-related desynchronization/synchronization (ERD/ERS) responses in the approximately 4 - 8 Hz EEG frequencies. During recognition, the active MP transformed these brain oscillatory responses in the approximately 4 - 8 Hz and approximately 15 Hz frequencies.

Conclusions: The current findings suggest that EMF emitted by mobile phones has effects on brain oscillatory responses during cognitive processing in children.

PMID: 16846979 [PubMed - in process]

//www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=pubmed&cmd=Retrieve&dopt=AbstractPlus&list_uids=16846979&query_hl=6&itool=pubmed_docsum
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