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. 2015 Oct 20;10(10):e0140552. doi: 10.1371/journal.pone.0140552

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© 2015 Sagari et al

This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are properly credited.

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Fig 1 — (A) Experimental setup of character entry into touch-screen terminal showing a subject with the custom-made cap with the NIRS device. (B) Display of task and rest conditions. The display showing the task condition changed with each cycle. (C) The iPod Touch 4. The character entry into screen mode was used to measure the number of character entries. All subjects performed the task with their right thumb for 15 s interleaved with rest periods of 25 s for 30 repetitions. (D) Methods of character entry into touch-screen terminal. All subjects were asked to enter the characters of a randomly formed Japanese syllabary into the touch-screen terminal.