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| motor, sensory, interneurons |
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| dna, no role in the neural signaling, metabolism |
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| receive the signals, if enough then the axon will fire |
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| neurons can't divide but dendrites can grow, new connections= more growth |
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| insulator, faster signal, fatty acid |
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Charged elements in and outside of the neuron
Difference between neural charge outside and inside the neuron: -70mv. |
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A chemical reaction occurs in the neuron which opens the gate
Positive ions flow in to establish equilibrium
If the difference between in/out reaches
-50mv, the neuron fires |
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| process of electric travel,Ions which flow in at one place in the neuron change the charge at places down the axon, in turn opening their gates |
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Involved in movement, learning, attention, emotion.
How you know Dopamine: Parkinson’s, Schizophrenia, Marijuana |
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Definition
Involved in mood, hunger sleep and arousal
How you know Serotonin: Depression and Ecstasy |
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| oldest; study the effects of surgery or lesions |
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| records the electrical activity of the brain |
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| detects glucose consumption of active brain regions |
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| thalamus-organizes and relays, reticular formation-alertness, medulla-breathing and heart rate |
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| mood hunger sleep arousal owow |
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hypothalamus (brain of the brain)-pleasure, hunger, thirst, sex
pituitary gland- controls other glands
amygdala-rageeee
hypocampus-consolidation of short term memories |
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| nonverbal reasoning, creative thinking, imagination |
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| language, math, logic, facial recognition |
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| frontal-behavioral social, occipital- visual temporal- auditory, language (wernicke's area) parietal- non-verbal intelligence, visual processing, localizing objects in space |
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| motor in front, somatosensory in back |
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| conversation, create words |
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