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. Author manuscript; available in PMC: 2021 Jan 1.
Published in final edited form as: Neurobiol Learn Mem. 2019 Nov 15;167:107116. doi: 10.1016/j.nlm.2019.107116

Figure 4. Shock-induced activity and conditioned freezing topography in animals trained with imminent or delayed shock.

Figure 4.

(A) Left panel shows mean values of shock-induced activity (± s.e.m.) of 1-MIN (n = 16) and 9-MIN (n = 16) rats (freezing for these rats shown in Figure 2). Right panel shows the percentage change in magnitude of shock-induced activity (± s.e.m.) from shock 1 to shock 4. Note that the dotted line (at 100%) indicates the level at which there is no change in shock-induced activity. (B) Left panel depicts latency (in seconds; ± s.e.m.) of 1-MIN and 9-MIN rats to exhibit their first freezing bout in the conditioning context during testing (corresponding to Figure 3). Right panel shows mean duration of each bout (± s.e.m.) for the entire test. *p < 0.05.