Term
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Definition
| vital life functions (breathing, heart rate, blood pressure) |
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Term
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Definition
| sleep, facial expressions, may be responsible for dreams |
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Term
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Definition
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Term
| reticular activating system |
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Definition
| alerts brain to/filters incoming messages |
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Term
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Definition
| integrates and relays sensory messages |
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Term
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Definition
| band of nerves connecting the hemispheres; messages pass across it |
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Term
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Definition
| 85% of brain weight; many functions (ex., higher level thinking) |
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Term
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Definition
| thin upper layer of cerebrum; contains 70% of all neurons |
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Term
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Definition
occipital lobe
parietal lobe
temporal lobe
frontal lobe |
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Term
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Definition
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Term
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Definition
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Term
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Definition
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Term
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Definition
| higher level thinking, motor skills, planning, personality |
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Term
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Definition
| two divisions of the cerebrum |
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Term
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Definition
| many parts; motivation and emotion |
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Term
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Definition
hippocampus
amygdala
thalamus
hypothalamus |
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Term
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Definition
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Term
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Definition
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Term
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Definition
| takes in sensory messages and sends them too various parts of the cerebrum |
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Term
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Definition
| hunger & thirst drives, emotions |
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Term
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Definition
| a cell along which messages pass within the brain |
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Term
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Definition
| branches of a neuron which take in messages |
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Term
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Definition
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Term
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Definition
| fiber which carries messages away from the soma |
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Term
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Definition
| point at which messages leave the neuron |
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Term
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Definition
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Term
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Definition
| covers axon and helps message move quickly |
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Term
| biological approach to biology |
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Definition
| focuses on how the body and brain influence behavior |
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Term
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Definition
| a chemical message that passes between neurons |
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Term
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Definition
| inhibits (stops or greatly reduces) pain |
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Term
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Definition
| involved in learning, movement, and emotional arousal |
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Term
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Definition
| provides a sense of well being |
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Term
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Definition
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Term
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Definition
| traits parents pass to offspring |
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Term
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Definition
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Term
| peripheral nervous system |
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Definition
| nerves that branch out from the spinal cord; throughout the body |
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Term
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Definition
| responsible for voluntary movement |
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Term
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Definition
| responsible for involuntary movement |
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Term
| sympathetic nervous system |
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Definition
| gears body up for dangerous situations |
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Term
| parasympathetic nervous system |
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Definition
| calms body and returns it to a normal state |
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Term
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Definition
| chemical communication system within the body |
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Term
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Definition
| "master gland", secretes a large number of hormones |
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Term
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Definition
| chemicals messages that travel through the blood |
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Term
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Definition
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Term
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Definition
| measures blood oxygen levels |
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Term
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Definition
| language and logical thinking |
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Term
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Definition
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Term
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Definition
| the brain lights up in specific areas when at work; tend to be better in math, science, vision, and better sense of direction |
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Term
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Definition
| whole brain method of thinking; outperform men at communication, hearing, memory, and eye for detail |
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Term
| 5 ways physiological psychologists study the brain |
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Definition
1. reporting
2. stimulation
3. lesions
4. accidents
5. imaging |
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Term
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Definition
| the brains ability to change its shape/function; childrens' brains have more plasticity; brain can change at any age |
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Term
| frontal lobe activity in criminals |
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Definition
| significant number of criminals w/less frontal lobe activity than normal people; frontal lobe acts like a brake on impulsive behavior |
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Term
| serotonin levels in criminals |
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Definition
| low levels found in significant number of criminals. low levels make people easily offended and make them overreact to minor situations |
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Term
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Definition
| brain waves, heart beat, etc., are slower than normal. often seek stimulation in destructive ways |
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