behavior/neurological
• in the conditioned fear test, mutants show less freezing in the presence of the contextual cues during training
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• in the conditioned fear test, mutants show less freezing in the presence of auditory cues during training
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• mutants have a tendency to spend less time on the rotating rod than wild-type, suggesting a mild coordination impairment
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• mutants are hyperactive in the open-field test, going further and traveling faster than wild-type mice
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nervous system
• mutants exhibit enhancement of LTP during the 60 min following tetanus
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