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. 2014 Apr 28;6:79. doi: 10.3389/fnagi.2014.00079

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Copyright © 2014 Wolkorte, Kamphuis and Zijdewind.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) or licensor are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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Accuracy (A,B) and reaction times (C,D) during the 10 and 30%-dual-task. (A,C) Show responses to frequent stimuli, (B,D) responses to infrequent stimuli. Data is represented as the difference between dual-task and single-task (delta). Black circles represent middle-aged subjects, red squares represent young subjects. Solid lines for 30%-dual-task (30% cMVC), dashed lines for 10%-dual-task (10% cMVC). Data are shown for the first and second half of the task. Error bars represent SE. * shows main effects, # shows interaction effects. Please note the increase in errors (see, however; middle-aged subjects on infrequent stimuli) and reaction times with time for the 30%-dual-task.