psych 260 chapter 12

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psych 260 chapter 12
2011-05-17 19:55:35
psych chapter

psych 260 chapter 12
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  1. Perceptual learning
    learning to recognize a particular stimulus, dorsal stream-->object location, ventral stream--->object recognition
  2. stimulus-response learning
    the ability to learn to preform a particular behavior when a particular stimulus is present
  3. Long term potentiation (LTP)
    a long-term increase in the excitability of a neuron to a particular synaptic input caused by repeated high-frequency activity of that input, postsynaptic activity increased
  4. hippocampal formation
    undergoes LTP, includes the dentate gyrus and subiculum
  5. Population EPSP
    an evoked potential that represents the excitatory postsynaptic potenials of a population of neurons, from the dentate gyrus and become more tight (responsive) over time
  6. Long-term depression
    postsynaptic activity decreased
  7. Operant conditioning
    the means by which we profit from experience, start out depending on basal ganglia for response to stimulus, with repition, only basakl ganglia; positive reinforcement activates dopaminergic neurons in VTA and nucleus accumbens(involved in learning)
  8. Motor learning
    learning to make a new response, requires sensory guidence from the enviornment
  9. Relational learning
    learning the relationship among individual stimuli, important for making and retrieval of long-term memories
  10. Declaritive memories
    can be consciously recalled (explicit)
  11. Declaritive memories: semantic
    when is your birthday
  12. Declaritive memories: episodic
    what did you do for your birthday?
  13. Non-declaritive memories
    cannot be consciously recalled (implicit)
  14. Non-declaritive memories: procedural
    riding a bike
  15. Non-declaritive memories: primed
    being reminded of grandma after a familiar smell
  16. Retrograde Amnesia
    preceed some distrubance to the brain, such as head injury; cannot remember events prior to brain damage
  17. Anterograde amnesia
    events that occur after some disturbance to the brain, such as head injury or certain degenerative brain diseases; cannot remember events that occured after damage
  18. Korsokoff's syndrome
    permenant anterograde amnesia caused by brain damage, usually resulting from chronic alchoholism, patients often confabulate events, severe malnutrition, usually from chronic alchoholism