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. 2017 Dec 22;14:61–72. doi: 10.2147/NDT.S153813

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© 2018 Tsuchiya et al. This work is published and licensed by Dove Medical Press Limited

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Experimental environment of the vacuuming task and fNIRS measurements.

Notes: (A) The condition in the HA experiment: there were shredded paper and plastic balls with a diameter of 6 mm on the floor within an area of 2.2×1.8 m. (B) The condition in the control experiment: there were no paper shreds or plastic balls on the floor within the same area of 2.2×1.8 m. (C) fNIRS measurements: the participants placed their chin on the holder in a sitting position and performed the Stroop color–word task. Cortical hemodynamic changes were monitored using fNIRS. Individuals provided written informed consent for the images to be published.

Abbreviations: fNIRS, functional near-infrared spectroscopy; HA, housework activity.