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. Author manuscript; available in PMC: 2013 Apr 15.
Published in final edited form as: Neuron. 2012 Feb 23;73(4):653–676. doi: 10.1016/j.neuron.2012.02.004

Figure 2. Multiple Roles for a Conditioned Stimulus.

Figure 2

A CS functions as a survival circuit trigger (by activating a specific survival circuit related to the US that was used during conditioning), and as a conditioned incentive and a conditioned reinforcer (by way of connections from the survival circuit to motivational and reinforcement systems). Other routes by which a CS might influence motivational and reinforcement circuitry are not shown.