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Computed tomography of brain

a computer is used to produce images of the brain

magnetic resonance imaging of the brain or spine

uses a strong magnetic field to produce images of the brain or spine

Positron emission tomography of the brain

produces images to examine blood flow and metabolic activity of the brain

Evoked potential studies

measures responces in brain waves from stimuli

Lumbar puncture

a needle is inserted into the subarachnoid space

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