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. Author manuscript; available in PMC: 2012 Dec 1.
Published in final edited form as: Behav Neurosci. 2011 Oct 17;125(6):979–987. doi: 10.1037/a0025921

Figure 1.

Figure 1

Percentage of eyeblink conditioned responses as a function of conditioning session in Wistar rats: (A) Group CI received 50 A+ trials and 50 XA− trials per session, pseudorandomly intermixed. A+ trials consisted of a 490-ms, 2000-Hz, 80-dB tone that coterminated with a 15-ms, 4-mA periorbital stimulation. XA− trials consisted a 25-lux light presented simultaneously with A. There was significantly greater responding to A+ than XA− by Session 4; (B) Group Control received 50 A+ trials and 50 A− trials per session, pseudorandomly intermixed. Error bars are standard error of the mean (SEM).