Brain hearing activity, PET scan

Brain hearing activity. Coloured positronemission tomography (PET) scan data, showing brainactivity (coloured) from hearing a known language.The PET data has been laid over three-dimensionalmagnetic resonance imaging (MRI) scans of profilesof the left (left) and right (right) brainhemispheres, positioned with the front of thebrain at far left and right. The red and greenareas of the temporal lobe of the brain areauditory areas. The yellow area (in the lefttemporal lobe) deals with known words. The pinkarea (in the left frontal lobe) is Broca's area, responsible for the production of speech. For aPET brain scan of the response to hearing anunknown language, see image P335/066.. Stunning Photo Gifts From Science Photo Library

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