Experiments have shown that if one receives rewards and/or punishments randomly (i.e., regardless of what one does), then one is likely to develop depression. This phenomenon is known as ________.

What area of the brain associated with attention and concentration is completely myelinated by the time a child is about 5 years of age?

a) corpus callosum b) cerebral cortex c) cerebellum d) reticular formation

Neuroleptic drugs do not work immediately. It often takes several __________ for neuroleptic therapy to start to alleviate schizophrenic symptoms

Fill in the blank with the appropriate word.