behavior/neurological
N |
• circadian behavior of males is normal; mice show normal entrainment in a 12 h light, 12 h day cycle, with total activity levels and onset variability similar to wild-type
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• mutants have a slightly but significantly shortened period in constant light conditions compared to wild-type
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• when a 15 minute light pulse is given to mice at circadian time 14 (CT14), animals exhibit a reduced phase delay of 90 minutes in contrast to wild-type and heterozygous phase delay of 140 minutes
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