MEG and fMRI Brain Scans

Numéro d’image : 11627765
MEG and fMRI Brain Scans
Magnetoencephalography (MEG) scans (top row) of slices of a human brain,and comparison scans using Functional Magnetic Resonance Imaging (fMRI). Both sets of scans show network activity in the resting or 'default-mode' state. This network is only found at rest and disappears when the subject is given a task. The 'default-mode' network and its connection to various neurological diseases and disorders is currently being intensively researched.The MEG scanner images the magnetic fields produced by the electrical currents resulting from neural activity within the brain. fMRI scanning measures the changes in blood flow resulting from the neural activity caused by brain stimulation or tasking. On both types of image the gradient of activity is from areas of low (red) to high (yellow)
Licence : Droits gérés
Crédit: Science Photo Library / HENRY LUCKHOO / JAMES KING-HOLMES
Taille de l’image : 3320 px × 2646 px
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