The main mechanism determining human aggressive behavior is

Nadine has been depressed for several months. She is considering cognitive-behavioral therapy. What advice would you give her?

A. "Cognitive-behavioral therapy is much less effective than interpersonal therapy and takes much longer, too." B. "Many studies have shown the usefulness of cognitive-behaviorial therapy, and it seems to prevent relapse and recurrence." C. "Drug treatment is much more effective than cognitive-behavioral therapy and has less likelihood of relapse." D. "The only way that cognitive-behavioral therapy is of any value is if it is coupled with family therapy."

When a 1-month-old kitten is put in the dark and kept there during the fourth week of life and beyond, damage to visual centers of the brain is severe and permanent. This example provides evidence of

A) brain plasticity. B) synaptic pruning. C) lateralization of the cerebral cortex. D) sensitive periods in brain development.