types of brain scans psych

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6 Terms

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Electroencephalography (EEG)

tests electrical activity (brain waves) in brain, small electrodes on scalp

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Magnetoencephalography (MEG)

magnetic fields produced by electrical activity

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Computed tomography (CT)

uses xrays to get cross sections of brain

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Positron emission tomography (PET)

nuclear test using radioactive glucose to measure activity in brain

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Magnetic resonance imaging (MRI)

magnetic fields and radio waves to create image of brain

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Functional magnetic resonance imaging (fMRI)

detect changes in local blood flow and oxygen levels in brain to show brain activity