Term
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Definition
| recieves, processes, interprets, and stores incoming sensory information |
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Term
| what does the cns consist of? |
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Definition
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Term
| what are spinal reflexes? |
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Definition
| behaviors that require no conscious effort, automatic |
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Term
| what is an example of a spinal reflex? |
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Definition
| if u touch a hot iron ur hand will automatically pull away without you having to think about it |
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Term
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Definition
| consists of nerves that are connected to sensory receptors and to the skeletal muscles that permit voluntary action |
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Term
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Definition
| regulates the functioning of blood vessels, glands, and internal organs |
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Term
| piloerection? when does it take place? |
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Definition
hairs stand on end, neck.
when ur scared |
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Term
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Definition
fundamental units of central nervous system.
they transmit info to and from and within central nervous system |
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Term
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Definition
| recieve info from nerve cells and transmit to body |
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Term
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Definition
| contains important machinery 2 keep cell alive, determines whether or not to send msgs out |
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Term
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Definition
| transmits msgs away 4rm cell body to other muscles or glands |
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Term
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Definition
| made of glial cells, insulates axon, prevents conflicting info, speed up transmission of msg |
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Term
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Definition
| spaces btw myelin sheath. msgs jump 4rm node to node |
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Term
| brain plasticity. can the brain recover after trauma? |
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Definition
flexibility in adapting to new experiences, brain can rewire to adapt to damage
yes. |
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Term
| different types of neurons |
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Definition
spinal cord(motor neuron)
thalamus
cerebellum
cortex |
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Term
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Definition
control over right hemisphere, math language, science writing.
more logical |
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Term
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Definition
left hemisphere dominanace, music appreciation, dance, art, sculpture.
fantasy |
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Term
| are there sex differences? are they caused by or are the result of behavioral differences? |
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Definition
sex differences are stereotypes.
they are the result of behavioral differences. |
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Term
| what is a synaptic cleft? |
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Definition
| The tiny space between two nerve cells across which the neurotransmitter acetylcholine diffuses. |
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Term
| what is action potential? |
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Definition
| electrical current or pulse |
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Term
| purpose of neurotransmitters? |
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Definition
| are chemicals that are used to relay, amplify and modulate signals between a neuron and another cell. |
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Term
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Definition
acetylcholine-controls muscle movements, cognitive functioning, memory, and emotion.
dopamine-learning & memory
serotonin-sleep, appetite, and mood
norepinephrine-heart rate, slowing of intenstinal activity, dreaming, waking
GABA-major inhibatory neurotransmitter
glutamate-major exitatroy neurotransmitter |
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Term
| endorphins. what purpose do they serve us. |
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Definition
chemical substances in brain that act like opiates, involved with pain reduction, pleasure, and memory.
purpose- getting through tough situations physically, and emotionally |
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Term
| major sex hormones in both males and females? |
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Definition
androgen-mascinulizing hormone
estrogen-feminizing hormone |
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Term
| what parts of brain located in brain stem, wut purpose do they serve? |
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Definition
pons-involved with sleeping, waking, and dreaming
reticular activated system- recieves sensory information, screens info
medulla-breathing & heart rate
cerebellum-lesser brain involved with balance and coordination |
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Term
| hypothalamus? wut does it control? |
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Definition
links the nervous system to the endocrine system via the pituitary gland (hypophysis).
controls:4 F's
FIGHTING
FLEEING
FEEDING
EFFING.
and regulates body temp |
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Term
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Definition
| responsible for evaluating sensory informationb, quickly determining its emotional importance, and contributing to the initial decision to approach or withdraw from a person or situation |
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Term
| main parts of cerebrum. wut do they do? |
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Definition
occiptal lobes-back of brain, controls vision
parietal lobe-controls samatta sensory
temporal lobe-controls auditory functioning & receptive language
frontal lobes-higher order thinking, organization, inhibition, social judgement, goal setting/planning |
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Term
| what is the fight or flight syndrome? how does it cause our body to react? |
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Definition
| Faced with problem you either fight problem or u run away depending on situation. Piloerection? |
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Term
| What did you learn about the frontal lobe from the Phineas Gage case |
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Definition
| He had pipe that went through front part of brain, he survived but he wasn’t himself b/c it took away ability to organize, and plan, and he was always late. Lost job |
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