03_SkillLearning - DeclarativeLearning&Serial Learning

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Components of Declarative  Memory Declarative memory requires  contributions from both the instrumental  system and the habit system Declarative memory makes it possible  to recognize and recall the components  of episodes: Actions, their targets, and results Also context
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Short-term Functions of  Declarative Memory Makes it possible to construct a spatial structural  description of environment over time. When exploring a maze, it allows animal to  remember where he has been and the  sequence  of actions he has performed Allows animal to construct a cue-action- reward episode and use it over time  (and space) to guide actions towards  the goal (reward) Allows complex social interactions Social episodes are encoded
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Long-term Function of  Declarative Memory Increases information available for  response selection when compared with  an emotion directed response What to do about a tiger across a river Allows recognition of kin Makes long-term social interactions  possible
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The short and long-term memory  functions are intertwined When a task is encountered, if a similar  event has previously occurred then its  causal episode is retrieved and guides  the animal’s action.
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Dual Functions of Declarative  Memory To integrate action over present time Short-term retention of task-relevant structural  descriptions Perceived recency fixes order of events and  operations To improve performance in important routine  tasks Long-term retention of task-relevant structural  descriptions Perceived familiarity creates confident response.
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Two Kinds of Temporal  Information Encodes perceptual details so that  people, places and things are  perceived  as recent and/or familiar Instrumental system Encodes sequence of events and  actions so that a subsequent identical  sequence will be responded to faster  ( serial learning ). Habit system
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Recency and Familiarity
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Old (Familiar) versus New  (Novel) One of the functions of the declarative system  is to sort the input into  old  versus  new   information: Short-term action integration Episodes guide familiar actions (old) Novel information may require ad hoc decision making 
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This note was uploaded on 11/17/2011 for the course PSYCHOLOGY 830:303 taught by Professor Staff during the Fall '10 term at Rutgers.

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03_SkillLearning - DeclarativeLearning&Serial Learning

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