324 7 part 2 extinction
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324 7 part 2 extinction 324 7 part 2 extinction Presentation Transcript

  • Human Learning Topic 7: Extinction Part 2CEDP 324 Ryan Sain, Ph.D. 1 3/30/2012
  • Renewal cont.  Drug treatments  Phobia treatments  Learning in one context generalizes  Extinguishing may result in renewal  Cycle  Treatments  extinguish in many contexts
  • Reinstatement Easy to relearn a once extinguished response Relearning is quicker than original learning Context specific  CS = Blue squares US = loud noise CR = skin conductivity  Reinstatement US presented  Same room – response came back  Different room – response remained extinguished
  • “And now…the rest of the story.”  Extinction is clearly not permanent  Doesn‟t completely erase  Knowledge of reinforcer  US – CS association  We can improve it though
  • Presentations Many extinction trials Close together More effective than spreading them out Still get recovery
  • Reduce recovery Do repeated cycles of „rest and recovery‟ Present cues that were present during extinction
  • Reduce renewal Extinguish in different contexts Use extinction cues
  • Credits www.sxc.hu  Building - freschje  Sleeping cat – FlorinN  Dresses - Twasa  Renovated building - hbrinkman Paul Harvey – www.time.com Constitution – www.princetonol.com