COGNITION3

COGNITION3 - John M. Ackroff 2012 Cognition Learning Course...

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Unformatted text preview: John M. Ackroff 2012 Cognition Learning Course info on sakai January 25/26, 2012 John M. Ackroff 2012 Cognition: Learning Acquiring Knowledge: Learning Perception Attention John M. Ackroff 2012 Cognition: Learning Things we dont learn Classical Conditioning Instrumental Conditioning Paired-Associate Learning (a first look at higher learning situations). John M. Ackroff 2012 What is learning? Learning is a relatively permanent change in behavior brought about through reinforcement . Examples: General: avoiding hot objects, finding water Specific: bird songs, rats and food choice Fear of dogs John M. Ackroff 2012 Learning and Memory Learning implies changes in memory. At some level, we have to remember something in order to learn it. But we may not be able to articulate that memory Studies with anterograde amnesiacs: Pursuit rotor Music Trivia questions John M. Ackroff 2012 Unlearned Behavior Reflex Arc Involuntary movement: may be a single ballistic movement (eye blink) or a motor sequence if a central pattern generator in the spinal cord is activated (infant swim reflex) Unconditioned innate fast response to unconditioned stimulus Conditioned innate fast response to (novel) stimulus routinely preceding unconditioned Stimulus (Rescorla-Wagner model) Reflexes John M. Ackroff 2012 Avoid eye blink Maintain vestibular- ocular pupil dilation muscle contraction spindles, tendons, joints, skin Approach ear pricking salivate None goose bumps Functions of Unconditioned Reflexes John M. Ackroff 2012 John M. Ackroff 2012 Unlearned behavior Fixed Action Patterns Innate (see title) Infant grasping Infant swim response Both of these are eventually lost. Releasers specific stimuli Ballistic response tends to execute to completion, like reflexes. But may generalize cowbirds John M. Ackroff 2012 Imprinting A special type of learning that occurs during a critical period....
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COGNITION3 - John M. Ackroff 2012 Cognition Learning Course...

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