| Budget Amount *help |
¥210,600,000 (Direct Cost: ¥162,000,000、Indirect Cost: ¥48,600,000)
Fiscal Year 2012: ¥35,230,000 (Direct Cost: ¥27,100,000、Indirect Cost: ¥8,130,000)
Fiscal Year 2011: ¥42,640,000 (Direct Cost: ¥32,800,000、Indirect Cost: ¥9,840,000)
Fiscal Year 2010: ¥43,030,000 (Direct Cost: ¥33,100,000、Indirect Cost: ¥9,930,000)
Fiscal Year 2009: ¥43,680,000 (Direct Cost: ¥33,600,000、Indirect Cost: ¥10,080,000)
Fiscal Year 2008: ¥46,020,000 (Direct Cost: ¥35,400,000、Indirect Cost: ¥10,620,000)
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| Research Abstract |
Our brain imaging studies of mental rotation demonstrated a pattern of brain activation consistent with the neural network model proposed by Ashizawa and Inui (2011). We then presented a generalized radial basis function (GRBF) network that can generate rotated views of novel objects as a form of view prediction. We also presented a hierarchical neural network model of the functions of inferior temporal cortex. This model can achieve not only view-independent object recognition but also object categorization based on view similarity. We further formulated a computational model of visual scene transformations to generate spatial imagery of novel places. In addition, a biologically plausible algorithm for grid cell computation is proposed that enables calculation of a homing vector to a specific location with a cognitive map. Finally, we identified the shared and distinct neural substrates for mental rotation and perspective taking.
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