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A: Grooming behavior in the novel environment. Mean and standard error of the mean are shown by genotype (6 +/+, 6 +/-, 7 -/-) for seconds spent grooming in a novel cage scored by stopwatch over a 10 minute observation period. B: Grooming behavior in the home cage. Mean and standard error of the mean are shown by genotype (6 +/+, 3 +/-, 4 -/-) for seconds spent grooming in the home cage as scored by the automated HomeCageScan software (Clever Sys, Inc., Reston, VA).
