| A | B |
|---|
| diurnal | active during the light |
| nocturnal | active during the dark |
| Circadian rhythms | last about 24 hours |
| endogenous clock | internal clock |
| cataplexy | sudden loss of muscle tone, collapse |
| Orexin | normally prevents the transition from wakefulness directly into REM sleep |
| enuresis | bed-wetting |
| somnambulism | sleepwalking |
| amygdala | aggression & fear |
| hippocampus | memory |
| cingulate gyrus | pain processing |
| the Papez circuit | interconnected brain regions within the limbic system |
| Medial forebrain bundle | a tract that rises from the midbrain through the hypothalamus – contains many sites for self-stimulation |
| amygdala, in the temporal lobe | is a key structure in fear |
| Klüver–Bucy syndrome | removal of temporal lobes in monkeys results in a taming effect |
| right hemisphere | identifies emotional tone |
| the left hemisphere of the brain | interprets meaning of the message |
| prefrontal cortex | inhibits impulsive decisions |
| Stress immunization | mild stress dealt with successfully early in life makes it easier to handle stress later in life |
| Dyscontrol syndrome | temporal lobe disorders that underlie some violence – Road rage |
