(M) Model Free and Model Based Learning

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  • Created by: Josephine
  • Created on: 25-05-15 13:29
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automatic and controlled processes.
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Model-Free Learning is..
More automatic learning. Predominant feature that it requires you to have the experience of the reward- have to have experienced it before.
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Model-Free Learning Basic Notion
Events and outcomes have value. Value refers to how good or bad something is (abstract concept). When stimulus + outcome are paired an association is built between them. Stimuli get assigned the values of the outcome it predicts.
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Model-Free Learning Occurs Via...
Value-based prediction error: you predict whats going to happen, then get outcome + you make comparison between them. Prediction error is the difference between the predicted value + the actual value of the outcome. Learning only occurs when the
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Model-Free Learning Occurs When The
prediction error value isn't equal to 0. Dependent on acquired experience of stimulus, through outcome pairing. Each pairing produces a prediction error + this is used to update stored information of the cue.
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Model-Free Learning Operates...
Regardless of context, no matter what you're doing or where you are.
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Model- Free Learning is Like Learning With Your...
gut. Affective and implicit type of learning, gut feeling.
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Model-Based Learning is
More controlled learning. Cognitive contextual learning.
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Model-Based Learning is Based On...
Predictions about the state of the environment. Uses errors in the prediction of the identity + value of the expected reward, to update + modify learning.
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What's Encoded During Model-Based Learning?
Specific stimulus attributes + transitions between contexts that bind specific elements in time + space are encoded ruing model-based learning.
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A Model of the...
environment is built + actions + decisions are made using the model. The model is then accessed to make inferences about associations between stimuli that haven't been paired together before.
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This is More...
Flexible learning system however it is more computationally expensive.
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Model-Free Learning is..

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More automatic learning. Predominant feature that it requires you to have the experience of the reward- have to have experienced it before.

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Model-Free Learning Basic Notion

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Model-Free Learning Occurs Via...

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Model-Free Learning Occurs When The

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