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. Author manuscript; available in PMC: 2016 Oct 20.
Published in final edited form as: Nat Rev Neurosci. 2013 May 2;14(6):417–428. doi: 10.1038/nrn3492

Figure 5. Context-dependence of neuronal activity in the rat amygdala.

Figure 5

The return of fear in response to an extinguished conditional stimulus (CS) is correlated with neuronal firing in response to the CS in the amygdala in rats. a | The traces are high-pass filtered signals recorded from a single multi-unit recording wire implanted in the lateral amygdala; the sweep length is 3 s, which includes 500 ms pre- and post-tone periods and the 2-s tone CS (shaded area). Presentation of the CS occurred in either the extinction context (same) or another context (different). Neuronal responses to the CS were reduced in the extinction context but increased in the different context. b | The histogram shows the average neuronal responses to the extinguished CS in both contexts. Figure is modified, with permission, from REF. 75 © (2007) Cold Spring Harbor Laboratory Press.