6 - Learning, Cognition, & Memory

6 - Learning, Cognition, & Memory - 6. Learning,...

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** Important Notice Concerning Lecture Material ** This file includes most, but not all, overhead material presented in lecture (e.g., some material may be altered or added in last-minute changes). The best use of this file is to print it out and take notes on them during lectures. Æ WARNING: Perfect knowledge of this material will not guarantee an A in the course. That is, important details will g, p be presented in lecture but are not presented in this pdf file. 1.1 Introduction Thus, it is very important that you attend lecture and discussion sections. 6. Learning, Memory & Cognition Psy 1, Spring 2008
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Topic 6: Learning, Memory & Cognition Topic 6.1: Basic Learning Mechanisms Topic 6.2: Cognitive Processes 1) Introduction & History 2) Research Methods 3) Biological Foundations 4) Brain & Consciousness nsation & Perception What is Learning? 5) Sensation & Perception • Changes in behavior of an organism (Behavioral Perspective ) • Changes in adaptive ability of an organism through experience— ordinating genes and environment ( thological Perspective coordinating genes and environment (Ethological Perspective ) • A process that changes mental “representations” (memory), so that past experience can have an effect on present behavior (Cognitive Perspective ). What is learned varies from basic mechanisms that many animals ve to mplex es that are unique or advanced in humans have to complex ones that are unique or advanced in humans. 6: Learning, Memory & Cognition 6. Learning, Memory & Cognition Psy 1, Spring 2008
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Basic Learning Mechanisms Behavioral Perspective h i b h i r f ri m • Change in behavior of an organism ¾ Emphasis on stimulus-response associations earning is sociative etween inputs and behavior ¾ Learning is associative , between inputs and behavior ¾ Learning is often contingent upon “reinforcement” (rewards and punishments) ¾ Emphasis on empiricist view (tabula rasa) 6: Learning, Memory & Cognition 6. Learning, Memory & Cognition Psy 1, Spring 2008
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Classical Conditioning: Ivan Pavlov During Conditioning Bell & food are paired l l d d Bell precedes food ¾ Salivation response After Conditioning Bell alone acts as a imulus for salivation stimulus for salivation Bell has been conditioned to elicit a response Unconditioned stimulus (UCS): Conditioned stimulus (CS): FOOD BELL Unconditioned response (UCR): Conditioned response (CR): SALIVATION TO FOOD SALIVATION TO BELL 6: Learning, Memory & Cognition 6. Learning, Memory & Cognition Psy 1, Spring 2008
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Properties of Classical Conditioning Learning Extinction Spontaneous Recovery Basic stimulus-response learning Æ acquisition of response to CS ssociative learning -- S must precede UCS by < 0 5 second Associative learning CS must precede UCS by < 0.5 second Following Aristotle’s & British empiricists’ notion of contiguity 6: Learning, Memory & Cognition 6. Learning, Memory & Cognition Psy 1, Spring 2008
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Classical Conditioning of Eyeblink Response Learning Trial After Conditioning Unconditioned stimulus: d i t i d AIR PUFF YEBLINK TO PUFF Unconditioned response: Conditioned stimulus: Conditioned response:
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This note was uploaded on 09/28/2009 for the course PSYCH 1 taught by Professor Shimamura during the Spring '08 term at University of California, Berkeley.