Measuring Brain Function

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4 Terms

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EEG (Electroencepgalogram)

  • Measures waves of electrical activity (brain waves) produced by neurons firing on the scalp

  • Where and when brain activity occurs

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PET (Positron Emission Tomography)

  • Shows brain activity by detecting where a radioactive form of glucose goes while the brain performs a task.

  • Colored

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fMRI (Functional MRI)

  • Measures brain activity by detecting changes in blood flow and oxygen levels.

  • Shows both structure and function

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Magnetic Source Image (MSI)

EEG and MRI data to pinpoint the exact location of brain activity