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. Author manuscript; available in PMC: 2015 May 1.
Published in final edited form as: Behav Processes. 2014 Feb 24;0:13–19. doi: 10.1016/j.beproc.2014.02.012

Figure 1.

Figure 1

Hypothetical mechanism of Pavlovian extinction. Arrow indicates excitatory association between the CS and US; blocked line indicates inhibitory association learned during extinction. Inhibition requires input from both the Context and the CS.