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. Author manuscript; available in PMC: 2010 May 1.
Published in final edited form as: Learn Motiv. 2009 May;40(2):209–220. doi: 10.1016/j.lmot.2009.01.001

Figure 3.

Figure 3

Mean days (± SEM) spent in each phase of extinction (Nolan et al., 1997) for animals that underwent either CTA+EU-EXT or CTA+CSO-EXT procedures. Rats that experienced the CTA+EU-EXT procedure spent significantly fewer days in the static phase (SAC reacceptance of less than 10% of baseline) than the CTA+CSO-EXT group [* = significantly different from the CTA+CSO-EXT animals (α = 0.05)]. However, the CTA+EU-EXT and CTA+CSO-EXT groups spent comparable number of days in both the dynamic (SAC reacceptance greater than 10 % but less than 80% from baseline) and asymptotic phases (SAC reacceptance of greater than 80% from baseline).