Perform the indicated operations and simplify. 
Definitions:
Emotional Disturbance
A condition characterized by significant challenges in managing one's emotions, behavior, or learning abilities.
Prefrontal Lobotomy
A surgical procedure that was once used to treat mental disorders by severing connections in the brain's prefrontal cortex.
Psychosurgery
A medical operation performed on the brain to alleviate severe and otherwise untreatable mental disorders or behavioral problems.
Clinical Psychologists
Professionals specializing in diagnosing and treating mental illness, emotional disturbances, and dysfunctional behavior through therapeutic techniques.
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