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. 2016 Sep 15;11(9):e0163077. doi: 10.1371/journal.pone.0163077

Fig 4. Fear extinction in groups of five versus alone.

Fig 4

(A) Diagram of behavioral paradigm. (B) After fear conditioning, values represent percentage of freezing time for mice from both cohorts first exposed as singles, compared to non-foot shocked controls. (C) After fear extinction, values represent percentage of freezing time for mice when re-exposed to the conditioning environment as a group (Singles Conditioning/Singles Extinction, red column) or alone (Singles Conditioning/Group Extinction, blue column), compared to non-foot shocked controls. All values represent mean ± s.e.m. * P = 0.014, two-tailed t test (N = 15).