1. brain surgery performed to treat mental disorders or behavioral problems
Usage: medical; controversial

Examples

• Psychosurgery was more commonly practiced in the mid-20th century.
• The lobotomy was a controversial form of psychosurgery.
• Modern psychosurgery techniques are much more precise than earlier methods.
• Ethical debates continue to surround the use of psychosurgery.
• Researchers are developing less invasive alternatives to traditional psychosurgery.
• The patient’s family considered psychosurgery as a last resort treatment option.