Ways we Study the Brain Accidents Lesions CAT Scan PET Scan MRI Functional MRI.

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Presentation transcript:

Ways we Study the Brain Accidents Lesions CAT Scan PET Scan MRI Functional MRI

Accidents Phineas Gage Story Personality changed after the accident. What this this tell us? That different part of the brain control different aspects of who we are.

Lesions Removal or destruction of some part of the brain. Frontal Lobotomy

Electroencephalogram EEG Detects brain waves through their electrical output. Used mainly in sleep research.

Computerized Axial Tomography CAT Scan 3D X-Ray of the brain. Good for tumor locating, but tells us nothing about function.

Magnetic Resonance Imaging MRI More detailed picture of brain using magnetic field to knock electrons off axis. Takes many still pictures and turns images into a movie like production.

Positron Emission Tomography PET Scan Measures how much of a chemical the brain is using (usually glucose consumption).

Functional MRI Combination of PET and MRI