Hippocampal ensembles regulate circuit-induced relapse of extinguished fear

Subjects

A total of 102 adult male and female rats (200–224 g; Long-Evans Blue Spruce; Envigo) were used in this study (Experiment 1a, n = 13; Experiment 1b, n = 37; Experiment 2, n = 24; Experiment 3, n = 28). Subjects were…