Psych 220 Psychobiology

Psych 220 Psychobiology - 9/17/07 220 p 54 of the...

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9/17/07 220 p 54 of the textbook…special summation…contradicts prof…says there are peripheral synapses can be more potetent that primary ones…not true. Hierarchical processes is real. Myasthenia Gravis o Really don’t want to get this o Approx. 36,000 cases o Autoimmune disease o Attracts acetylcholine receptors Weakness Muscles don’t work Paralysis Neuromuscular junction is messed up Can’t breathe because diaphram doesn’t work Parkinsons o About 1% of people over 65 have or will get Parkinsons Affects basal ganglion Innervated by substantia nigra Dopaminergic neurons die Muscles don’t work normally Hunched movement, no arm swinging Intention tremor (they get it when they try to move) Dopaminergic neurons removed= parkinsons o Treatment consists of precursor molecule for dopamine—L-Dopa Hunintons Chorea o Horrible o Trademark movements (worm like spine movements, throwing a baseball motion) o Early 40s onset
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Psych 220 Psychobiology - 9/17/07 220 p 54 of the...

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