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Percentage of neurons activated by retrieval of the extinction memory (LOW FEAR group) or by renewal of fear (HIGH FEAR group) that received their dominant input from either the vHIPP, PL cortex, and IL cortex. The results suggest that retrieval of extinction memory and renewal of fear activate different subpopulations of neurons within the La, which can be distinguished by their connections to the IL, PL, and vHIPP.
