イベント名
Distinguished Lecturer Program Series
発表年月日
2022/11/22
タイトル
Brainmorphic Computing Paradigm and Hardware
講演者
Yoshihiko Horio(Tohoku University), 
抄録
In order to realize brain-specific computational schemes such as consciousness/sub-consciousness, prediction, inference, memory, attention, self, etc., novel computational principle, architecture, and devices are required, which would be very different from those in von Neumann-type digital computers. This talk introduces the brainmorphic computing paradigm and its hardware architecture. In the brainmorphic computing paradigm, information processing is performed through imitating the anatomical and physiological structure and dynamics of the brain, which have been evolutionally developed. The latest knowledge from brain science, especially, on high-order brain specific functions co-emerged from high-dimensional complex structure and neuro-dynamics, should be reflected in the brainmorphic computing paradigm. In addition, the bodily and environmental constraints are considered and utilized as embodiment in this computational paradigm. In order to implement the brainmorphic computing paradigm as hardware, physical and dynamical characteristics of the novel brain-type constituent devices, especially nonlinear analog circuits, and nanometer-scale materials and devices, should be naturally utilized. Our efforts on physical implementation of the brainmorphic computinghardware are illustrated; for example, spin-orbit torque devices for naturally realize
neuronal and synaptic dynamics directly, and a chaotic neural network reservoir for
computation through high-dimensional complex dynamics.

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