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. 2017 Jul 21;7(8):e00724. doi: 10.1002/brb3.724

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© 2017 The Authors. Brain and Behavior published by Wiley Periodicals, Inc.

This is an open access article under the terms of the Creative Commons Attribution License, which permits use, distribution and reproduction in any medium, provided the original work is properly cited.

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(a) GAITRite^© electronic walkway system with embedded pressure sensors which register the walking parameters. (b) MRI‐compatible stepping device, stepping parameters are recorded by response pads. (c) Positive and mainly significant correlations between the total number of correct responses of the GAITRite^© and the fMRI gait analysis. (d) Positive and significant correlations between walking or stepping speed in sec of the GAITRite^© and the fMRI gait analysis. (e) Mean and SE percent dual task costs. The dual task costs were significantly larger for motor variability than for motor speed and cognitive performance; this was true for both gait analyses. VF = verbal fluency; SS = serial subtraction; ***p < .001; **p < .01; *p < .05; + p < .1