psychnotes1-22 - Pathway where we recall memory Senility...

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Psychology 1304 Notes 1/22/08 Sensory Cell body, soma, nucleus Dendrites – receptors – (affrau tala information) Helox – area where axon joins dendrite Axon – tail, longs fluid filled tubes carry messages Myelin sheat – coats axons – fatty Covering – starts covering after birth. Multiple sclerosis – deterioration of myelin sheath Nodes of raunin Terminal vesicle – pouch that holds chemical neurotransmitters – chemicals that cause the neuron to do things Resting state – inside soma (cell body) negative charge Action potential – reaches 70 microns – causes chemical to shoot, how nucleus works Synaptic space. Agonist – causes something to happen Angonist – inhibit activity Refractory period – time they cannot perform Soma cannot do anything. I chemical not used it is destroyed. Called reuptake. Cocaine, crystal meth, speed, etc. destroys receptor side ( All or none Neurotransmitters: Acetylcholine – cerebral cortex (works here) Hippocampus – area where memory is stored
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Unformatted text preview: Pathway where we recall memory Senility, alzheimers < reduce Schopalamine – blocks channels to brain, can’t feel pain Inhibitor – blocks memory Marijuana – reduces acetylcholine Dopamine: inhibits movement – in hypothalamus Too much can inhibit or destroy thought process. Makes you feel warm and cuddly Also causes us to be addicted to drugs Serotonin – mood stabilization. Sheep. Makes you feel warm and cuddly. Exstacy – increases serotonin Too little serotonin causes depression Too much will burn receptors Norephinephrine – mood stabilizer Drud use produce when aroused (adrenaline) Produced by adrenal Sympathetic nervous system Causes digestion to slow down, relaxes bladder Prepares you for flight or fight. Brocia’s area – right side, speech Plasticity – brain’s ability to change function and structure Functional plasticity – brain’s ability to shift functions from damaged to undamaged brain areas....
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psychnotes1-22 - Pathway where we recall memory Senility...

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