UNIVERSITY OF WINNIPEG
PSYCHOLOGY &NEUROSCIENCE TALK
THURSDAY 18 JUNE 2015
1:30-3:00
4TH FLOOR LOCKHART (4L28)
TRAVIS TODD
DEPARTMENT OF PSYCHOLOGICAL AND BRAIN SCIENCE
DARTMOUTH COLLEGE
TOPIC: BEHAVIOURAL AND NEUROBIOLOGICAL MECHANISMS OF EXTINCTION IN PAVLOVIAN AND INSTRUMENTAL LEARNING
Abstract: Pavlovian and instrumental learning are two fundamental forms of learning that contribute to behavior in a variety of ways, in
both human and non-human animals. In Pavlovian extinction, repeated presentation of a signal without its reinforcer weakens behavior
evoked by the signal; in instrumental extinction, repeated occurrence of a voluntary action without its reinforcer weakens the strength of the
actions. In both cases, contemporary research at both the behavioural and neural levels of analysis has been guided by a set of extinction
principles that were first generated by research conducted at the behavioral level. Both Pavlovian and instrumental extinction are at
least partly controlled by a form of context-specific inhibitory learning, and both involve a neural circuit including the hippocampus and the
medial prefrontal cortex.
Dr. Travis Todd graduated from the University of Winnipeg where he worked in the Doug Williams lab. He subsequently completed a PhD with Mark Bouton at the University of
Vermont. Travis won a National Research Service Award from the National Institute of Mental Health and is currently a Postdoctoral Fellow in the David Bucci lab at Dartmouth College. Read
more at: http://pbs.dartmouth.edu/travis-todd-postdoctoral-fellowship-award
/sent on behalf of
Jim Clark
Professor & Chair of Psychology
University of Winnipeg
204-786-9757
Room 4L41 (4th Floor Lockhart)
www.uwinnipeg.ca/~clark
Kelly Jorundson Winnipeg Chapter Society for Neuroscience R4046 - 351 Tache Avenue Winnipeg, MB R2H 2A6
Tel: 204.235.3939 Fax: 204.237.4092 Email: kjorund@sbrc.ca OR kjorund@yahoo.ca
Website: www.sfn-manitoba.ca