AP psych 2.4

CT (Computed Tomography) Scan

A computer-enhanced imaging technique in which an x-ray beam is passes through the body at different angles to generate a three-dimensional image of bodily structures (also called a CAT scan, short for computerized axial tomography).

EEG (Electroencephalograph)

A device that records electrical activity in the brain.

MRI (Magnetic Resonance Imaging)

A technique that uses a magnetic field to create a computerized image of internal bodily structures.

PET (Positron Emission Tomography) Scan

An imaging technique in which a radioactive sugar tracer is injected into the bloodstream and used to measure levels of activity of various parts of the brain.

Electrical Recording

As a method of investigating brain functioning, a process of recording the electrical changes that occur in a specific neuron or groups of neurons in the brain in relation to particular activities or behaviors.

Lesioning

In studies of brain functioning, the intentional destruction of brain tissue in order to observe the effects on behavior.