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Personality Chpt 8
Question | Answer |
---|---|
dendrites | nerve cell projections |
axons | pass the message on |
hypothalamus | under the thalamus, bottom center of the brain, connected to everything |
hippocampus | important for processing memories |
cortex | 6 layers with different functions |
frontal cortex | lies in the front, 2 frontal lobes crucial from human cognition moral reasoning and emotions |
transcranial magnetic stimulation TMS | electrical response in the brain using rapidly changing magnetic fields |
electroencephalography (eeg) | oldest technique, place electrodes to pick up electrical signals |
magnetoencephalography (meg) | uses delicate sensors to detect magnetic signals of brain |
computed tomography (ct) | images of brain structures |
positron emission topography (pet) | map of brain activity from radioactive shot |
functional magnetic resonance imaging (fmri) | monitors magnetic pulses by oxygen in the blood |
ascending reticular activating system (aras) | eysenek gave it central role,regulates balance between exhibition and inhibition |
amygdala | small structure near the base of brain behind the hypothalmus |
neocortex | outer layer of the brain, left front right front, speech, planning, and interpreting |
somatic maker hypothesis | emotions enable people to make decisions that maximize good outcomes |
corpus callosum | connects two halfs of the brain and go front to back |
anterior cingulate | appears to be especially important for the experience of normal emotion |
psychosurgery | surgery done with the specific purpose of altering personality |
neurons | nerve cells |
neurotransmitters | communication between neurons |
synapse | what neurotransmitters travel across |
hormones | biological substances that affect the body in locations different than they were produced |
central nervous system | the brain and spinal cord |
peripheral nervous system | the neuronal networks that extend throughout the body |
endorphins | natural painkilling system |
dopamine | turns motivation into action, reward system |
serotonin | inhibition of behavioral impulses |
adrenal cortex | adrenal gland that sits on the kidneys |
epinephrine | throughout the body |
norepinephrine | in the brain |
oxytocin | promotes sociable behavior, relaxation |
testosterone & estrogen | sex hormone |
cortisol | response to stress |