Immobility in the forced swim test is attenuated in after hours mice.

<p>Results from the forced swim test indicate no significant difference in immobility in trial 1 but the increase in immobility observed in trial 2 was not seen in <i>Afh/Afh</i> mice. (Data shown is mean ± SEM). **, <i>P</i><0.01 results from posthoc t-tests comparing immobility in trial 1 <i>vs.</i> trial 2 in <i>Afh/Afh. Afh</i>/+ and +/+ mice.