JAMES KING-HOLMES / SCIENCE PHOTO LIBRARY JAMES KING-HOLMES / SCIENCE PHOTO LIBRARY
Young girl aged 9 in a MEG (magnetoencephalography) scanner, wearing a cap fitted with a network of electrodes for use in the electroencephalography (EEG) studies carried put concurrently with the MEG scan. The EEG cap or net simplifies accurate attachment of the electrodes to the subject's head. The scanner detects the extremely weak magnetic fields generated by neural activity in different parts of the brain when stimulated by auditory signals received through the tubes to the ears and by visual information shown on a screen. The resulting data is correlated with other neuro-imaging techniques to investigate psychiatric and neurological disorders such as ADHD, epilepsy and age-related memory and cognitive syndromes such as Alzheimer's and dementia. Photographed at the Oxford Centre for Human Brain Activity, UK.
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