Gisela, a sociology major in college, has a history of depression. But one day, she wakes up feeling very energetic. She tells her friends and professors that she has figured out a way to solve world hunger and the AIDS epidemic. Inspired, she spends the next 5 days without sleep completing applications to dozens of doctoral programs in sociology. It is likely that Gisela is suffering from:

The answer is "bipolar disorder".

Explanation:

Bipolar disorder (formerly referred to it as hyperactive or bipolar major depression) is a mental disorder that causes atypical mood, vitality, activity, concentration, or daily chores.

It is a disorder of the system that affects the attitude, stamina, and ability of a person to work. People with bipolar experience intense impact on psychological that are generally recognized because of bouts of moods during different intervals of the day to a week.

could you go a bit more in depth with you question? it's quite hard to understand. as soon as you do that i will be glad to : )

answer; legislature;