| Presentation | 2012-01-28 Mental fatigue measurement based on the changes in flicker perception threshold using consumer mobile devices : Flicker Health Management System Sunao IWAKI, Nobuyoshi HARADA, |
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| Abstract(in Japanese) | (See Japanese page) |
| Abstract(in English) | We have been developing techniques (1) to visualize spatiotemporal brain activities to investigate neural mechanisms underlying the human visual cognitive functions, especially the 3-D object perception from motion, and (2) to evaluate mental fatigue quantitatively by measuring perceptual performance of the visually presented flicker, namely, the flicker-perception threshold (FPT) on consumer devices. In this paper, we describe a method to solve the long-standing problem that the original flicker test inherently has, namely, arbitrariness and subjectivity in the subjects' response during determining FPT. We developed (a) a new method to control a subjective flickering sensation by changing the contrast of the visual stimuli instead of changing temporal frequency, and (b) a new paradigm, in which forced-choice task performance was used to determine FPT to eliminate arbitrariness of the subjects' response. The proposed techniques were implemented as application softwares, which enables us to measure mental fatigue quantitatively using consumer mobile devices such as smart phones and PCs. |
| Keyword(in Japanese) | (See Japanese page) |
| Keyword(in English) | Flicker perception threshold / Mental fatigue / Personal mobile device |
| Paper # | MBE2011-102 |
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| Committee | MBE |
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| Conference Date | 2012/1/20(1days) |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | |
| Topics (in Japanese) | (See Japanese page) |
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| Registration To | ME and Bio Cybernetics (MBE) |
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| Language | ENG |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Mental fatigue measurement based on the changes in flicker perception threshold using consumer mobile devices : Flicker Health Management System |
| Sub Title (in English) | |
| Keyword(1) | Flicker perception threshold |
| Keyword(2) | Mental fatigue |
| Keyword(3) | Personal mobile device |
| 1st Author's Name | Sunao IWAKI |
| 1st Author's Affiliation | Health Research Institute, National Institute of Advanced Industrial Science and Technology (AIST)() |
| 2nd Author's Name | Nobuyoshi HARADA |
| 2nd Author's Affiliation | Flicker Health Management Corp. (FHM) |
| Date | 2012-01-28 |
| Paper # | MBE2011-102 |
| Volume (vol) | vol.111 |
| Number (no) | 423 |
| Page | pp.pp.- |
| #Pages | 4 |
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