A treatment in which an electrical current is applied to the brain is

aversion therapy

catatonia

psychosurgery

electroconvulsive therapy

A treatment in which an electrical current is applied to the brain is;

D. Electroconvulsive therapy

An electric current would be transmitted through the brain without anesthesia through this method. However, there may be side effects of possible seizures or broken bones.

Answer: ECT

Explanation:

ECT is a process in which the patient is treated for the cases of several mental disorders, depression, loss of memory and confusion.

In this process an electric shock is induced to the brain when the anesthesia is given to the patient. The brain impulses are recorded and seen over a monitor screen.