Developmentalists Know That Behavioural Choices and Mental Health Conditions Affect

Developmentalists know that behavioural choices and mental health conditions affect the brain.Which of the following statements is true?

A) The brains of alcoholics and non-alcoholics differ in electrical activity.
B) The brains of depressed individuals and non-depressed individuals show no structural or electrical differences.
C) A number of serious mental illnesses are associated with differences in electrical activity.
D) The brains of alcoholics and non-alcoholics differed in electrical activity before the onset of the alcoholism.