바이오및뇌공학과 뇌인지 공학 프로그램

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짧은소개글 October 1, 4:30PM / Room 219, ChungMoonSul Bldg.(E16)
Christian Wallraven poster_페이지_1.jpg 



abstract:

Already starting at birth, humans integrate information from several sensory modalities in order to form a representation of the environment - think about a baby interaction exploring objects, and interacting with them. The combination of visual and touch information is one of the most fundamental sensory integration processes, as touch information (such as body-relative size, shape, texture, material, temperature, and weight) can easily be linked to the visual image, thereby providing a grounding for later visual-only recognition. Previous research on such integration processes has so far mainly focused on low-level object properties (such as curvature, or surface granularity) such that little is known on how the human actually forms a high-level multisensory representation of objects. Here, I will review research from our lab that investigates how the human brain processes shape using input from vision and touch. Using a large variety of novel, 3D-printed shapes we were able to show that touch is actually equally good at shape processing than vision, suggesting a common, multisensory representation of shape. We next conducted a series of imaging experiments (using anatomical, functional, and white-matter analyses) that chart the brain networks that process this shape representation.   


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