| Budget Amount *help |
¥16,250,000 (Direct Cost: ¥12,500,000、Indirect Cost: ¥3,750,000)
Fiscal Year 2020: ¥1,690,000 (Direct Cost: ¥1,300,000、Indirect Cost: ¥390,000)
Fiscal Year 2019: ¥6,110,000 (Direct Cost: ¥4,700,000、Indirect Cost: ¥1,410,000)
Fiscal Year 2018: ¥6,500,000 (Direct Cost: ¥5,000,000、Indirect Cost: ¥1,500,000)
Fiscal Year 2017: ¥1,950,000 (Direct Cost: ¥1,500,000、Indirect Cost: ¥450,000)
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| Outline of Final Research Achievements |
The present study examined the sensitivity to a visual object in left and right visual field, and then compared the functions of cortical hemispheres in terms of visual information processing. We used “isoluminant” chromatic stimuli (without luminance information) and monochromatic stimuli (only with luminance information). The same group of participants measured the detection thresholds for stationary objects or moving objects. With monochromatic stimuli, there was no difference in the thresholds between the left and right visual fields for the stationary nor moving stimuli. However, with chromatic stimuli, the motion detection thresholds and motion direction discrimination thresholds showed the difference between the two visual fields. The result is the first evidence indicating the functional differences between the left and right hemispheres in the early visual process and providing new evidence relevant to the discussions on the cortical functional laterality.
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