Deep lesioning is rarely used for treatment of mental illness because

Question

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Deep lesioning involves the destruction of brain tissue and is therefore irreversible. This is a major drawback to its use as a treatment for mental illness, as there is no way to reverse any negative effects of the procedure. Additionally, electroconvulsive therapy has been found to be more effective and less invasive for many disorders, further reducing the use of deep lesioning. Research has also shown that deep lesioning may have little or no effect on personality, further limiting its usefulness as a treatment option.

Deep Lesioning Is Rarely Used for Treatment of Mental Illness