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Published bySara Shields Modified over 6 years ago
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The Brain Tools of Discovery Older Brain Structures The Limbic System
The Cerebral Cortex
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Name How does it work? Electroencephalogram (EEG) Electrodes placed on the scalp measure electrical activity in neurons Magnetoencephalography (MEG) A head coil records magnetic fields from the brain’s natural electrical currents Computed tomography (CT) X-rays of the head generate images that may locate brain damage Positron emission tomography (PET) Tracks where a temporarily radioactive form of glucose goes while the brain of the person given it performs a given task Magnetic resonance imaging (MRI) People sit or lie down in a chamber that uses magnetic fields and radio waves to provide a map of brain structure Funtional magnetic resonance imaging (fMRI) Measures bloodflow to brain regions by comparing continuous MRI scans
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