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. Author manuscript; available in PMC: 2014 Nov 1.
Published in final edited form as: Psychoneuroendocrinology. 2013 Jul 7;38(11):10.1016/j.psyneuen.2013.06.002. doi: 10.1016/j.psyneuen.2013.06.002

Figure 1.

Figure 1

(A) Pictures illustrate behavioral elements/postures of social play in juvenile rats: top figure shows an attack towards the nape of the neck of the intruder rat; bottom picture shows pinning and supine positions. (B) Pictures of Nissl-stained coronal brain sections illustrate the injection location in the septum using charcoal as marker. For interpretation of the references to color in this figure legend, the reader is referred to the web version of the article.