The sympathetic-adrenal-medullary system causes the secretion of _____, which stimulate(s) the cardiovascular system.

Atkinson and Shiffrin's Memory Model (1968) is composed of three levels including all of the following EXCEPT?

A. sensory registers B. Short term memory store C. long term memory store D. control processes

According to the biological model, sensation seekers are drawn to certain activities because they

A) may have a low level of dopamine, and therefore seek activities that stimulate the production of dopamine. B) may have a high level of serotonin, and this higher level drives them to participate in certain activities. C) are unable to produce any neurotransmitters, and therefore, are driven toward activities that would cause their bodies to feel the same way as someone who does produce neurotransmitters. D) had early experiences in life that were traumatic, and they seek out extreme sensations to block those memories. E) have a structural abnormality of the brain that makes them insensitive to danger.