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A depiction of the behavioral tasks included in this study including a sample stimulus display for the 3-box difficulty condition in the Self-Ordered Spatial Search task (top) and the 3-stimuli by three choice locations trials in the visuo-spatial Paired Associates Learning task. See Materials and Methods and (Taffe et al. 2002b; 2004; Weed et al. 1999) for further specification of the tasks.
