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automatic reaction
- grab a hot pan and drop it |
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biological behaviors you are born with
-react not think about it
ex. breathing |
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things you have learned by experiences
- memory, thinking and learning
ex. how to write |
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| carry signals in to the brain |
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| carry signals out of the brain and cause muscles to react |
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1. dendrite receives signal
2. axon carries signal
3. Myelin maintains signal |
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chemical exchange of ions
- Na+ ions in K- ions out and reverse |
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| bulb at end of axon that stores and releases neurotransmitters |
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| fluid space that allows neurotransmitters to cross to next dendrite |
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| slow down systems to sleep |
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| necessary to from new memories |
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| Peripheral Nervous System |
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Definition
1. Somatic-sensory to brain and brain to muscles
ex. you think "pet the cat" the brain sends a message down the spinal chord to your arm then your hand
2. Autonomic- regulates functions not thought
ex. breathing |
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| shows brain activity by showing a graph |
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| Shows whether or not their is activity in the brain but is not used often because it is radioactive |
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| gives an image of the brain |
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| Video of the activity in the brain |
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| 3d image to look mainly for tumors or structural abnormalities |
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1. Pons
2. Medulla
3.Cerebellum
4. Reticular Activating system |
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1. Thalamus
2. Hypothalamus
3. Amygdala
4. Hippocampus |
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1. Motor cortex
2. Prefrontal
3. Parietal lobe
4. occipital lobe
5. Temporal lobe |
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controls skills such as language, math, reading and writing
- controls right side of body |
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controls creative/spatial tasks like facial recognition
- controls left side of body |
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| nerve fiber that connects the hemispheres of the brain |
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cut Corpus callosum to treat severe epileptic seizures
- the affected side can't pass the bad information to the other side of the brain |
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studies genetic traits
- different culture but same behavior is related to genetics
- different culture and different behavior is related to what is learned |
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| controls sleeping and waking up |
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| Reticular activating system |
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| tells the brain to pay attention |
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emotion and motivation
- sex and hunger drive |
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assesses danger
-flight or fight |
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