PSYC 2000 : Psychology Test 2 Study Guide
Document Summary
Circa diem about a day, 24 hour biological process. When it gets dark, the superachiasmatic nucleus of the hypothalamus triggers the secretion of melatonin from the pineal gland, which makes us sleepy. When it gets light scn stops the secretion of melatonin and allows the body to waken. Dreams are produced by pons and caused by physiological processes of the brain. Sends signals to the cortex, cerebral cortex tries to make sense of the neural. Inhibits movement activity that is taking place in lower portions of the brain. Since frontal loves are basically shut down, dreams are sometimes bizarre. Created to stay away from predators at a time when the organism would be particularly vulnerable. Sleep is necessary for physical health: restoration/ repair occurs at night. Voluntary muscles are paralyzed: everything in your dream is being processed the same way as when you are awake.
