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. Author manuscript; available in PMC: 2013 Mar 1.
Published in final edited form as: Neurobiol Learn Mem. 2012 Feb 26;97(3):301–312. doi: 10.1016/j.nlm.2012.02.003

Figure 2.

Figure 2

Omission-related SCRs. A) During fear learning, greater omission-related SCRs were exhibited following CS+ unpaired versus CS− trials. B) Omission-related responses were low and undifferentiated as a function of fear intensity value prior to fear learning (white bars) but increased following fear learning for the CS+ and high fear intensity trials (gray bars). C) The difference in offset SCRs between low (S1/S2) and high (S4/S5) fearful faces was greatest during the early and middle phase of the generalization test, and diminished by late generalization testing. Error bars reflect standard error (SEM). * p < 0.05, ** p < 0.01.