Describe the Nature of Obsessions and Compulsions in Obsessive-Compulsive Disorder

question 32

Essay

Describe the nature of obsessions and compulsions in obsessive-compulsive disorder, and explain how they differ from "normal" obsessions and compulsions. Do both have to be present for the diagnosis of OCD to be made? Which typically comes first? What is their functional relationship?

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Definitions:

Electric Brake

A device that uses electrical energy to apply mechanical resistance for slowing or stopping motion.

Servo Motor

A specialized motor designed to provide precise control of angular or linear position, velocity, and acceleration.

Control Valve

A valve used to regulate the flow of a fluid by varying the size of the flow passage as directed by a signal from a controller.

Derivative Action

In control systems, a component of a PID controller that predicts system behavior and acts proportionally to the rate of change of the error signal.