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. Author manuscript; available in PMC: 2009 Jun 5.
Published in final edited form as: Brain Res. 2008 Apr 8;1213:57–68. doi: 10.1016/j.brainres.2008.03.054

Table 1.

Determination of responder groups by thirds split

Median Low High
Cocaine (cm) 2289 885 ± 150 5906 ± 789
Novelty (cm) 3884 3088 ± 117 4633 ± 128
Centre (entries) 63 39 ± 5 97 ± 8

Data for low and high responders is represented as mean ± SEM (cm or entries).