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10 Cards in this Set
- Front
- Back
how many glial cells do we have?
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1 trillion
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how many neurons do we have?
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1 billion
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what is DA?
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dopamine
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what is NE?
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norepinephrine
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what is SHT?
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seratonin
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what are organizing processes of goal-directed behavior?
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1) homeostasis
2) reward/ reinforcement |
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what are examples of goal-directed behavior/ motivation?
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feeding, drinking, sexual behavior, aggressive behavior, substance abuse
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cause
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event that increases the probability that a second event will occur
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steps in dopamine synthesis
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1) tyrosine
-tyrosine hydroxylase 2) L-DOPA -dopa decarboxylase 3) dopamine (DA) |
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important NT roles of DA
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-sustaining interest in reward stimuli
-initiating approach toward rewarding stimuli |