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psychosurgery

psy·cho·sur·ger·y [ skō súrjəree ] (plural psy·cho·sur·ger·ies)


noun 
Definition:
 
brain operation for psychiatric disorder: surgery now performed only in rare cases to relieve severe psychotic disorder or to prevent some forms of epileptic seizure


psy·cho·sur·geon [ skō súrjən ] noun
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