Behavioral testing began at 13 weeks of age, after 1 month of weekly antipurinergic therapy with suramin. Mice were tested in social approach, T-maze, locomomtor activity, marble burying, acoustic startle, and prepulse inhibition paradigms as follows. The ages at the time of testing are noted in the figure legends. For a complete description of the behavioral paradigms see Full Methods Online. Social Preference and Social Novelty. Social behavior was tested as social preference as previously described
[9 (link)], with the addition of a third phase with a second novel mouse to interrogate social novelty
[19 (link)]. T-Maze. Novelty preference was tested as spontaneous alternation behavior in the T-maze as previously described
[9 (link)]. Marble Burying. Marble burying behavior was measured over 30 min by a modification of methods used by Thomas et al.[20 (link)]. Locomotor Activity. Locomotor activity, hyperactivity (total distance traveled), center entries, holepoke exploration, and vertical investigation (rearing) behaviors were quantified by automated beam break analysis in the mouse behavioral pattern monitor (mBPM) as previously described
[21 (link)]. Acoustic Startle and Prepulse Inhibition. Sensitivity to acoustic startle and prepulse inhibition of the startle reflex were measured by automated testing in commercial startle chambers as previously described
[22 (link)].
[9 (link)], with the addition of a third phase with a second novel mouse to interrogate social novelty
[19 (link)]. T-Maze. Novelty preference was tested as spontaneous alternation behavior in the T-maze as previously described
[9 (link)]. Marble Burying. Marble burying behavior was measured over 30 min by a modification of methods used by Thomas et al.[20 (link)]. Locomotor Activity. Locomotor activity, hyperactivity (total distance traveled), center entries, holepoke exploration, and vertical investigation (rearing) behaviors were quantified by automated beam break analysis in the mouse behavioral pattern monitor (mBPM) as previously described
[21 (link)]. Acoustic Startle and Prepulse Inhibition. Sensitivity to acoustic startle and prepulse inhibition of the startle reflex were measured by automated testing in commercial startle chambers as previously described
[22 (link)].
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