Question

fred has been having severe memory difficulties of late, and his doctor decides to scan his brain to see what is wrong. fred is placed in a machine that measures the biochemical activity of his brain and displays the activity on a color monitor. the brain imaging technique used on fred is called a(n) multiple choice pet tms mri partial option visible

Explanation:

PET (Positron Emission Tomography) measures biochemical brain activity and displays it. TMS (Transcranial Magnetic Stimulation) is for stimulation, not imaging activity. MRI (Magnetic Resonance Imaging) shows structure, not biochemical activity. So the correct technique is PET.

Answer:

A. PET