Milo's doctors believe that he might have schizophrenia but before they make their final diagnosis they want to study detailed three dimensional images of milos brain structures the technique the doctors are most likely to use in this case would be?

Magnetic renosance imaging (MRI) scan

Explanation:

Magnetic renosance imaging scan uses large magnets, radio waves and computer to produce well detailed image of the body.

An MRI scan usually about 15-90 minutes depending on the size of the body being scanned and how many images is needed. So for the doctors to get a detailed 3 dimensional structure of Milo brain structure, the technique to be used is the MRI scan.