Journal of NeuroEngineering and Rehabilitation

Table 3 Relationship between dual task performance and PFC activation and TMTA & B-A

From: Change in activity patterns in the prefrontal cortex in different phases during the dual-task walking in older adults

Dual task condition	TMTA			TMTB-A
Dual task condition	r	P-value	95% CI	r	P-value	95% CI
Gait speed	− 0.288	0.093	− 0.549, − 0.012	− 0.250	0.147	− 0.548, 0.084
Stride length,	− 0.493	0.003	− 0.695, − 0.225	− 0.427	0.011	− 0.696, − 0.083
Variability	0.284	0.076	− 0.319, 0.328	0.337	0.047	− 0.037, 0.620
Cadence	− 0.368	0.030	− 0.625, − 0.048	− 0.260	0.131	− 0.516, 0.059
Swing phase	− 0.154	0.377	− 0.439, 0.280	− 0.211	0.225	− 0.444, 0.115
Double limb support phase	0.134	0.442	− 0.199, 0.483	0.073	0.678	− 0.235, 0.399
Total response	− 0.656	< 0.001	− 0.808, − 0.489	− 0.548	< 0.001	− 0.696, − 0.391
Correct response	− 0.700	< 0.001	− 0.836, − 0.533	− 0.600	< 0.001	− 0.741, − 0.445
Incorrect response	0.346	0.042	0.064, 0.622	0.367	0.030	0.025, 0.669
Accuracy rate	− 0.529	0.001	− 0.725, − 0.294	− 0.504	0.002	− 0.721, − 0.234
Error rate	0.544	0.001	0.253, 0.741	0.511	0.002	0.228, 0.734
Rt. DLPFC in early period	0.394	0.019	0.082, 0.609	0.213	0.219	− 0.105, 0.474

DLPFC, dorsolateral prefrontal cortex; Rt, right; TMTA, Trail Making Test A; TMTB, Trail Making Test B
A Bonferroni correction of (0.05/24) = 0.002 was applied to account for multiple comparisons

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ISSN: 1743-0003

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