In both happy and sad auditory stimulation trials , cognitively intact older adults ( n = 96 ) showed an average increase of 2.68 cm/s in gait velocity ( F1 .86,191.71 = 3.99 ; P = .02 ) and an average increase of 2.41 steps/min in cadence ( F1 .75,180.42 = 10.12 ; P < .001 ) as compared with trials without auditory stimulation .