CL12-InstCondMotivMechHO

CL12-InstCondMotivMechHO - ConditioningandLearning

Info iconThis preview shows pages 1–11. Sign up to view the full content.

View Full Document Right Arrow Icon
Conditioning and Learning Instrumental Conditioning:  Motivational  Mechanisms October 23, 2011 © John M. Ackroff 2011
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
© John M. Ackroff 2011  Views of Conditioning Associationist:    Skinnerian:   
Background image of page 2
© John M. Ackroff 2011  Motivation What does it mean to be motivated? Restricting access to a reinforcer so it is  available only by making instrumental  response.
Background image of page 3

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
© John M. Ackroff 2011  Associative Structure of  Instrumental Conditioning Thorndike – context  S – R – O  Stimulus context instrumental Response response Outcome
Background image of page 4
© John M. Ackroff 2011  Law of Effect S – R association is responsible for behavior in the context in which the subject has  been previously reinforced No learning about R – O association Habits Typical responses  whether or not  reinforced Addictions Habits with physiological effects 
Background image of page 5

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
© John M. Ackroff 2011  Expectations of Reward  and  S – O Association Pavlovian conditioning – signal learning Association made between contextual cues  of S and  occurrence of O Hull and Spence S leads to instrumental response because  of Thorndikian  S – R association Eventually, R made in response to S-O  association
Background image of page 6
© John M. Ackroff 2011 Two-Process Theory (Rescorla and Solomon) S – O activates an emotional state Pavlovian Instrumental Transfer Test: Look for different response rates in  presence / absence of CS CS should increase responding
Background image of page 7

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
© John M. Ackroff 2011  Two-Process Theory Now suppose tone paired with shock  Tone suppresses pressing in Phase 3 Conclusion:  separate processes for   classically and instrumentally  conditioned responses
Background image of page 8
© John M. Ackroff 2011   Response Interaction  Explanation Animals classically conditioned to go to  1 side of cage via sign tracking. Animal required to make an  instrumental response on the other side  of the cage  reduced response rate - interference
Background image of page 9

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
© John M. Ackroff 2011   Response Interaction  Explanation Animals classically conditioned to make  a response – peck a key when lighted
Background image of page 10
Image of page 11
This is the end of the preview. Sign up to access the rest of the document.

This note was uploaded on 11/16/2011 for the course PSYCH 311 taught by Professor Rovee-collier during the Fall '06 term at Rutgers.

Page1 / 39

CL12-InstCondMotivMechHO - ConditioningandLearning

This preview shows document pages 1 - 11. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online