Ramey's research on the effect of early intervention on intelligence are _____ studies, so we can see that the outcomes are a result of the intervention

The primary active ingredient in marijuana is

A. delta-9 tetrahydrocannabinol (THC). B. psilocybin. C. phencyclidine. D. muscimol.

Describe how psychosurgical techniques and electric and magnetic therapies have changed and developed over the last several decades. Your response should include a comparison between the prefrontal lobotomy and deep lesioning, and between electroconvulsive therapy and transcranial magnetic stimulation. Explain why the older techniques were removed from active use.

What will be an ideal response?