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20 Cards in this Set
- Front
- Back
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retinohypothalamic tract
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branches off to SCN from retina = even if blind can entrain because of it;
uses receptor pigment, melanopsin |
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pineal gland
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releases melatonin 2-3 hrs before sleep; lesion or removal causes loss of rhythm
birds have thin skulls so light passes through and stimulates gland |
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sleep spindle
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high frequency during stage 2,3,4
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k-complex
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high amplitude during stage 2,3,4
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locus coerulus
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uses NE to keep viligance, increased storage of memories during wakefullness
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raphy nucleus
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interrupts REM sleep and maintains autonomic behavior
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ventral pontine
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uses ACH cortical activation, inhibits motor nuerons
if lesiones, muscles cannot relax - i.e. cat moves around while sleeping |
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lateral hypothalamus
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releases orexin which motivates people to stay awake
in feeding, inhibited by paraventricular nucleus and stop eating when hungry, controls insulin secretion and also makes food tastes better |
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tubermammilliar
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histamine - high alertness
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anterior hypo in temp control
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cooling mechanism and detects overheating
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post hypo thalamus in temp
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heating mechanisms and cool detector
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alpha fetoprotein
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deactivates estradiol so that surge of estrogen cannot affect gene expression and cause male formation
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medial preoptic hypothalamus
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larger in males, lesions stop mounting behavior
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ventromedial hypothalamus
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lesions no lordosis
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BNST
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similar to females in transexual individuals
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INH3
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larger in HET males than HOMO even when control for HIV positivity
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John-Lange
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autonomic precede emotion of fear
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dorsal PAG
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defensive aggression
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ventral PAG
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predatory aggression
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schacter
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context based emotion
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