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Number of failures is defined as the number of trials in which animals reached the maximum allowable time (60 seconds) without locating the platform. TGSED had significantly more failures than WTSED, though TGRUN and TGWHEEL were not significantly different from WTSED. TGRUN and TGWHEEL had significantly fewer failures than TGSED. Error bars represent ± standard error. *sig. different from WTSED **sig. different from TGSED
