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How the brain’s anatomy & physiology affect emotions, cognitions & behavior
Biological model: Anatomy (structures)
Biological model: Physiology (processes)
Obsession: Uncontrollable thoughts, ideas, impulses
Compulsion: Rigid, repetitive acts used to reduce anxiety
Example: “Germs are everywhere. I know they are. I better go wash my hands 53 times one more time.”
Obsessions: Can take the form of wishes, impulses, images, ideas, or doubts.
Common Obsessions: Dirt & germs; violence; inappropriate vocalizations; sexuality.
Compulsions: Usually recognized as unreasonable; yet cannot be ignored or avoided.
Suffer dreads horrible consequences if they abandon the compulsive behavior.
Common Compulsions: Hand washing; cleaning; “checking”; “ordering”; my friend & his backpack.
Orbital frontal cortex