All of the Following Are Ways That Scientists Study Brain

All of the following are ways that scientists study brain maturation except:

A) using DTI technology to see the ways in which various regions of the brain are connected.
B) using fMRI equipment to examine patterns of activity in various regions of the brain while individuals are performing a variety of tasks.
C) electroencephalography technology to measure event-related potentials in response to different stimuli or events.
D) using fMRI technology to measure event-related potential in response to different stimuli or events.