Figure 2.
SD exposure enhances fear memory in Peromyscus leucopus. A) LD and SD mice did not differ in freezing responses during acquisition in the auditory-cued fear conditioning test. Both LD and SD mice increased freezing across acquisition. B) Freezing responses to tone 24 h after acquisition are increased in SD mice compared to LD mice (p < 0.05 repeated measures ANOVA). Follow up within-trial comparisons show that SD mice froze significantly more than LD counterparts during the initial tone presentation and during tone 5. * p < 0.05 Student’s t test.
