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Child in magnetoencephalograph (MEG) scanner. This detects the magnetic fields generated by neural activity 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. Most of the upper part of the scanner consists of a tank to house the helium. The eye-tracking device in front of the subject gives data on the gaze related to the brain activity. Photographed at the Oxford Centre for Human Brain Activity, UK.
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