Child in MEG scanner

Child in MEG scanner

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Credit: JAMES KING-HOLMES/SCIENCE PHOTO LIBRARY

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Caption: Child in magnetoencephalograph (MEG) scanner. Aural or visual stimuli result in brain activity and the MEG detects the magnetic fields generated in different parts of the brain. The data is used with other neuro-imaging techniques to investigate psychiatric and neurological disorders such as ADHD, epilepsy, autism and also age-related memory and cognitive syndromes such as Alzheimer's and dementia.This scanner embodies 306 SQUIDs (Superconducting Quantum Interference Devices) which detect very weak magnetic fields and require to be cooled to the temperature of liquid helium (-269¼C) to function. The eye-tracking device in front of the subject gives data on the gaze related to the brain activity and also on blinking or head movements which affect the accuracy of any readings. (Simulated by model)
Photographed at the Oxford Centre for Human Brain Activity, UK.

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Keywords: autism, brain, child, cognition, eeg, electrode, experimental psychology, eye-tracking, girl, helium, magnetic, magnetic field, magnetism, magnetoencephalograph, medical technology, meg, memory, mental, neuroimaging, neuropsychology, one, psychology, research, scanner, scanning, squid, testing

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