The question is incomplete. The complete question is as following:
A new therapeutic technique known as deep brain stimulation (DBS) is showing promise in the treatment of
a. anorexia nervosa where other treatments have failed
b. phobias.
c. personality disorders.
d. mania
Answer:
a. anorexia nervosa where other treatments have failed
Step-by-step explanation:
Deep brain stimulation (DBS) is a neurological technique that is used to treat many disorders with neurological symptoms such as Parkinson's disease (PD) including rigidity, tremor, weakness, walking issues and slow processing.
It involves placing a medical device called a neurostimulator with the ehlp of implanted electrodes, that sends electrical impulses to specific brain targets (brain nuclei) for the treatment of movement disorders.
Anorexia nervosa or anorexia is an eating disorder where a person feels self-starvation and excessive weight loss.
Deep brain stimulation (DBS) are use for the tratment of anorexia, as other treatments are failed for it.
Hence, the correct option is a.