Question

The basal ganglia, also called the basal nuclei, are shown above in the superior cut of the brain. This region of the brain influences voluntary motor movements and routine behaviors. People with OCD show structural abnormalities in the basal nuclei (also evidenced in MRIs from clinical studies), which disrupt normal routines by introducing compulsive behaviors. Common compulsions are excessive washing (Melvin's solution to his fear of germs), continuously checking, and repeating specific behaviors.

Which of the following is an example of a compulsion that could be experienced by a person with OCD due to structural abnormalities in the basal ganglia?

A. worrying about becoming out of control
B. double checking the locks on doors and the switches on appliances multiple times a day
C. fixating on exactness and perfection
D. constantly thinking about how dirty the steering wheel of a car is

Answer 1

Double checking the locks on doors and the switches on appliances multiple times a day is an example of a compulsion associated with OCD and structural abnormalities in the basal ganglia. Hence the correct option is b.

Individuals with OCD (Obsessive-Compulsive Disorder) often experience compulsions, which are repetitive behaviors or mental acts driven by the need to alleviate anxiety or prevent a feared event. The basal ganglia, known for influencing voluntary motor movements and routine behaviors, is implicated in OCD, as structural abnormalities in this brain region can lead to disruptions in normal routines.

One common compulsion observed in people with OCD is the repeated checking of locks on doors and switches on appliances, as mentioned in option B. This behavior reflects the individual's attempt to alleviate anxiety associated with obsessive fears, in this case, concerns about security or safety. The basal ganglia's involvement in motor control and habitual behaviors underscores its role in the manifestation of compulsive behaviors seen in individuals with OCD, as observed in clinical studies and MRIs. Hence the correct option is b.