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. Author manuscript; available in PMC: 2011 Sep 1.
Published in final edited form as: Neuropsychologia. 2010 Jul 17;48(11):3252–3261. doi: 10.1016/j.neuropsychologia.2010.07.003

Table 2.

Overall accuracy proportions under single- and dual-task conditions for the three cognitive tasks.

Spatial Orienting Simon Interference Visual Search
Single Dual Single Dual Single Dual
Controls 0.94 (0.004) 0.91 (0.01) 0.93 (0.004) 0.91 (0.01) 0.94 (0.01) 0.93 (0.01)
Patients 0.93 (0.01) 0.86 (0.01) 0.91 (0.01) 0.84 (0.02) 0.93 (0.01) 0.86 (0.02)

Note: Numbers in parentheses indicate the standard error of the means.