| Budget Amount *help |
¥36,010,000 (Direct Cost: ¥27,700,000、Indirect Cost: ¥8,310,000)
Fiscal Year 2015: ¥9,100,000 (Direct Cost: ¥7,000,000、Indirect Cost: ¥2,100,000)
Fiscal Year 2014: ¥11,440,000 (Direct Cost: ¥8,800,000、Indirect Cost: ¥2,640,000)
Fiscal Year 2013: ¥15,470,000 (Direct Cost: ¥11,900,000、Indirect Cost: ¥3,570,000)
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| Outline of Final Research Achievements |
It was demonstrated that sounds can trigger illusory visual apparent motion to static visual stimuli (sound-induced visual motion: SIVM): A visual stimulus blinking at a fixed location is perceived to be moving laterally with the presence of an alternating left-right sound source. We investigated brain activity related to the perception of SIVM using a 7T fMRI. Specifically, we focused on the patterns of neural activities in SIVM and visually induced visual apparent motion (VIVM). We observed activation in the middle occipital area thought to be involved in visual motion processing (V5/hMT) for SIVM and VIVM, and the magnitude of the activation in this area was positively related to those in the superior temporal regions. Moreover, the activation of the superior temporal area was greater in SIVM compared to VIVM. These findings indicate that similar but partially different neural mechanisms could be involved in auditory-induced and visually-induced motion perception.
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