| Budget Amount *help |
¥3,900,000 (Direct Cost: ¥3,000,000、Indirect Cost: ¥900,000)
Fiscal Year 2016: ¥1,300,000 (Direct Cost: ¥1,000,000、Indirect Cost: ¥300,000)
Fiscal Year 2015: ¥1,300,000 (Direct Cost: ¥1,000,000、Indirect Cost: ¥300,000)
Fiscal Year 2014: ¥1,300,000 (Direct Cost: ¥1,000,000、Indirect Cost: ¥300,000)
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| Outline of Final Research Achievements |
We derived novel measures of integrated information from information theory and information geometry, which quantifies integration of information in neural networks. Our measures overcome several mathematical problems that previous measures have. Moreover, it is elucidated how integrated information is related to transfer entropy and Granger causality, which have been widely used in analysis of neural networks. This advances intuitive understanding of integrated information. We applied the proposed measure to human fMRI data and showed that integrated information decreased when people see meaningful visual stimuli compared with that when people see meaningless visual stimuli.
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