machine ap psych

EEG

Records brain’s electrical activity (waves) with electrodes on scalp; good for sleep & seizures, poor spatial detail

CT Scan

X-ray slices showing brain structure; good for detecting tumors/damage; no function

PET Scan

Measures brain activity by tracking radioactive glucose use; shows which areas are active during tasks

MRI

Provides detailed images of brain structure using magnetic fields & radio waves; best for soft tissue and anatomy

fMRI

Measures both brain structure and function by tracking blood flow/oxygen use in real time

Best scan for sleep studies

EEG

Best scan for detecting tumors/damage

CT or MRI

Best scan for showing brain activity during tasks

fMRI

Scan that uses radioactive glucose

PET scan