Oscar is afraid that his house will be robbed because he has left something unlocked. He may spend thirty minutes making sure that every door and window in the house is locked before leaving. Oscar's repetitive actions to decrease unwanted thoughts are what psychologists refer to as a __.

compulsion

Explanation:

Compulsion refers to a repetitive behavior whereby an individual does a particular thing repeatedly so as to feel normal and avoid negative consequences from later happening.

In this case, Oscar's repetitive actions to decrease unwanted thoughts is referred to as compulsion.

answer; the basal forebrain;

delete this messag epls it wont let me out this exit