PET scan studies have found that the prefrontal cortex of predatory murderers has less brain activity than does the prefrontal cortex of men who commit "heat of passion" murders

What did Sigmund Freud believe was the "true benefit" of free association?

a. induces hypnosis b. increases drive levels c. reveals aspects of the unconscious mind d. encourages conversations concerning taboo topics

Explicit memories

a) require conscious awareness for encoding and recalling. b) do not entail the automatically conscious experience of thinking or remembering. c) are implicit, intrusive, often repetitive, and triggered by anything in the current environment. d) cause high arousal states because an increase in stress hormones.