R4 Questions

Question 1

Delgado was first interested in the use of brain stimulation as a way to avoid doing what kind of psychosurgery?

Answer 1

lobotomies

Question 2

The first use of electrode implants into humans was done with patients suffering from what two types of brain disorders?

Answer 2

epilepsy and schizophrenia

Question 3

Delgado found that in some patients, stimulation of the _______ induced euphoria strong enough to counteract depression and physical pain.

Answer 3

septum region

Question 4

Delgado limited his research with humans after realizing that the therapeutic benefits of brain stimulation were _________.

Answer 4

unreliable (results varied from patient to patient & were unpredictable)

Question 5

Implanted brain stimulators have had some real success in treating some conditions. By far the most successful neural prosthesis is a _______________, with some 70K people having been equipped with these devices to treat hearing impairments.

Answer 5

an artificial cochlea

Question 6

Name two additional disorders that are being treated by implanted brain stimulators in some cases.

Answer 6

Parkinson’s disease and obsessive-compulsive disorder