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38 Cards in this Set
- Front
- Back
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medial preoptic area
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GnRH to anterior pituitary via tuberinfundibular tract
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lateral hyopthalamic nucleus/area
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feeding center (stimulates eating)
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supraoptic nuclei
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oxytocin & vasopressin to posterior pituitary
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paraventricular nuclei
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oxytocin & vasopressin to posterior pituitary
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suprachiasmatic nuclei
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light/dark cycle
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ventromedial nuclei
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satiety center (inhibits eating)
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mammillary nuclei
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short-term to long-term memory conversion
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3 things seen w/ Horner syndrome
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miosis
ptosis anhydrosis |
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subiculum neuron type
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stellate
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hippocampus proper neuron type
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pyramidal
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dentate gyrus neuron type
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granule cells
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dentate gyrus layers (outer --> inner)
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molecular, granule, polymorphic
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hippocampus proper layers (outer --> inner)
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polymorphic, pyramidal, molecular
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korsakoff syndrome
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absence of short-term to long-term memory conversion
thiamine deficiency --> degeneration in hippocampus, fornix, mammillary nuc, dorsomedial thalamus |
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wernicke-korsakoff syndrome
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korsakoff + gaze palsies & ataxia due to cerebellar involement
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septal nuclei function
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calm, placid behavior
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nucleus accumbens function
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reward center (involved in addiction)
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ventral tegmental area function
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dopaminergic input to hypothalamus, nucleus accumbens, septal nuclei
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locus coeruleus NT
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NE
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raphe nuclei NT
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5-HT
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ventral tegmentum NT
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dopamine
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cocaine mechanism
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blocks DA reuptake in NAc
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amphetamine mechanism
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AMP up release
increases DA release in NAc |
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nicotine mechanism
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MAO inhibition
increases DA release in NAc |
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alcohol mechanism
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OATs
increases DA synth. in VTA & release in NAc |
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opiate mechanism
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OATs
increases DA synth. in VTA & release in NAc |
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THC mechanism
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OATs
increases DA synth. in VTA & release in NAc |
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dysfunctional ventromedial orbitofrontal cortex
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∆ed emotions
lack of social propriety lack of responsibility overvalue drug reinforcement / reward undervalue consequences / risk |
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dysfunctional dorsolateral prefrontal cortex
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poor problem solving, stubborn, lack of foresight & ambition, lack of consistency
sense of immediate gratification overactive in craving state |
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telencephalon
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cerebral hemispheres
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diencephalon
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thalamus & hypothalamus
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mesencephalon
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midbrain
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metencephalon
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pons & cerebellum
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myencephalon
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medulla
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cephalic (mesencephalic) flexure
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midbrain
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cervical flexure
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medulla/SC junction
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pontine flexure
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pons/medulla junction
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telencephalic flexure
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telencephalon/diencephalon junction
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