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. Author manuscript; available in PMC: 2019 Mar 1.
Published in final edited form as: Psychoneuroendocrinology. 2017 Dec 29;89:120–130. doi: 10.1016/j.psyneuen.2017.12.025

Fig. 1.

Fig. 1

Diagram of the procedure used for the OLMT. Each rat was placed in the center of the open field and allowed to investigate two identical objects for 5 min during the exposure trial. This was followed by a 2 h inter-trial interval in the rat's home cage. One of the two objects was moved, and the rat was placed back in the open field for a 3 min testing trial. Which object was moved (left or right) was counterbalanced within each group of rats.