03_Evolution+2 - EvolutionofLearning& Memory2:Operant...

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Memory 2: Operant  Conditioning
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Two Kinds of Conditioning Classical Conditioning (Extension of reflexes) Contingent CS – UCS pairing results in CS  eliciting response. Is not voluntary action Tone – air puff pairing Operant Conditioning    (Learning) Reward increases likelihood of action Is voluntary action Bar press to obtain food or water
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Response versus Place  Learning Controversy What does a rat learn who learns to run  a maze? A sequence of actions, turn-left, turn-right,  etc. A mental map of the maze that guides his  actions
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Habit versus Instrumental  Learning of a Maze Instrumental Learning  (Hippocampus) Rat learns a mental map that guides  actions Early declarative stage Habit Learning  (Striatum) Rat learns a sequence of actions, turn left,  turn right etc. Later autonomous stage
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(McGaugh et al.) After week of practice  turning right in T-Maze  center bar is flipped. Habit learning predicts  rat will still turn right and  miss reward. Instrumental learning 
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This note was uploaded on 11/28/2011 for the course PSYCHOLOGY 830:303 taught by Professor Staff during the Fall '10 term at Rutgers.

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03_Evolution+2 - EvolutionofLearning& Memory2:Operant...

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