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Animal Learning

Animal Learning. Learning. Definition: A relatively specific and enduring change in a potential behaviour brought about by past experience -learning verses performance -experience required -internal processes. Learning. Why Study Animal Learning? 1) precise control 2) start simple

hadassah-haynes
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Animal Learning

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  1. Animal Learning

  2. Learning • Definition: • A relatively specific and enduring change in a potential behaviour brought about by past experience • -learning verses performance • -experience required • -internal processes

  3. Learning • Why Study Animal Learning? • 1) precise control • 2) start simple • 3) use potent stimuli • 4) model behavioural dysfunctions • 5) avoid subjective data • 6) interest in its own right

  4. Learning • Types of Questions? • 1) Can it be learned? • 2) What conditions encourage/hinder learning? • 3) What is the underlying mechanism?

  5. Delayed Choice Rats: 10-s Racoon: 25-s Dog: 5-min Human 1-year: 24-s 2-year: 50-s 6-year: 20-min Choice Location 1 Location 2 Location 3 Cue Location 2 Hunter (1913)

  6. Delay of Reinforcement Grice – (1948) Choice Delay Goal Start Reward or No Reward

  7. Grice (1948) Results

  8. Sudden Insight or Trial and Error? Reasoning Through Insight Kohler (1914)

  9. Forms of Learning • Evidence • 1) Dissociations • “H.M.” • “Unconscious Sequence Learning” • 2) Simultaneous Contradictory Belief • “Linda Problem” • “Visual Illusions”

  10. H.M. Back

  11. Sequence learning Nissen & Bullemer (1987) – Serial Reaction Time A B C D Experimental Group = fixed sequence of locations D – B – C – A – C – B – D – C – B – A - circular sequence, 10 times per block * Control Group = random sequence of locations Back

  12. Violated Sequence Subjects are sensitive to the presence of the sequence even when they deny knowing that there was a sequence Back

  13. Linda Problem Linda is 31 years old, single, outspoken, and very bright. She majored in philosophy. As a student, she was deeply concerned with issues of discrimination and social justice, and also participated in anti-nuclear demonstrations. Which of the following is more probable? (1) Linda is a bank teller. (2) Linda is a bank teller and is active in the feminist movement. Back

  14. Müller-Lyer Illusion

  15. Forms of Learning: Classification “Man as machine” René Descartes (1594-1660)

  16. Descartes’ Dualism Human versus Animal Involuntary Stimulus Action Voluntary

  17. A Modern Conception Nonassociative Explicit Implicit Conditioning Semantic Episodic Skills Classical Instrumental

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