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. Author manuscript; available in PMC: 2013 Jun 20.
Published in final edited form as: Behav Brain Res. 2011 Sep 17;226(1):331–334. doi: 10.1016/j.bbr.2011.09.021

Fig 2.

Fig 2

Top panel: A) Sign-tracking response rate (responses/sec) during conditioning trials as a function of training session for EC rats (n = 5) and IC rats (n = 5). EC rats exhibited less sign-tracking behavior, relative to IC rats (F(1, 8) = 13.52, p < 0.05). B) Goal-tracking response rate (responses/sec) during conditioning trials as a function of training session for EC and IC rats. EC animals exhibited more goal tracking, relative to IC rats (F(1, 8) = 7.57, p < 0.05). C) Goal-tracking response rate (responses/sec) during the intertrial interval (ITI) as a function of training session for EC and IC rats. D) Response ratio [probability of preferred response type during conditioning trials for IC (sign tracking) and EC (goal tracking) divided by the probability of responding (i.e., goal tracking) during the ITI] as a function of training session for EC and IC rats. *Significant difference from IC rats, p < 0.05.