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. Author manuscript; available in PMC: 2010 Jul 20.
Published in final edited form as: J Psychopharmacol. 2008 Feb 28;22(7):769–777. doi: 10.1177/0269881107083999

Figure 1.

Figure 1

AM-251 enhances trace fear-conditioning. a) Average freezing responses during the ITIs (150 s). b) AM-251- and vehicle- treated animals showed similar performance during a locomotor test, and c) showed no differences in freezing responses to presentations of the footshock US alone. d) AM-251-treated animals tended to freeze more in response to repeated presentations of the tone CS alone compared with vehicle-injected animals. In this and all subsequent figures, bars represent mean ± SEM. Asterisks indicate significant differences between the AM-251 and vehicle groups (P < 0.05).