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Panel A shows mean elevation scores (± 1 SEM) of each session of acquisition for Paired and Unpaired groups of Experiment 2. Panel B shows elevation scores (+ 1 SEM) across trials. Panel C shows mean total dipper entries (± 1 SEM) across each session. Panel D shows mean chamber activity counts (± 1 SEM) for each session. The vertical dashed lines in Panel B separate the trials of each session. * denotes significant difference between Paired and Unpaired groups.
