Hidekatsu Ito

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The higher-order functions of brain depend on neuronal network electrical activity with complex spatiotemporal patterns. The background activity, such as spontaneous electrical activity observed in a dissociated culture of rat hippocampal neurons, is considered to be a fundamental component of internal state of the living neuronal network. The spontaneous(More)
One of effective approaches to problems of conventional artificial intelligence is "embodied cognitive science". To realize an embodiment of a cultured living neuronal circuit, we provided cultured neurons with a body of a miniature-moving robot. The aim of this neuro-robot system is preparing a testing environment of the suitable relationship(More)
To investigate relationships between neuronal network activity and electrical stimulus, we analyzed autonomous activity before and after electrical stimulus. Recordings of autonomous activity were performed using dissociated culture of rat hippocampal neurons on a multi-electrodes array (MEA) dish. Single stimulus and pared stimuli were applied to a(More)
In order to analyze stability of stimulation evoked neuronal activity, it is necessary to analyze long-term changes of evoked response pattern induced by electrical stimulation. For this purpose, we use Self-Organization-Map (SOM), which continuously performs non-teacher learning. Neural network was alternately stimulated by two different electrodes. SOM(More)
Cultured living neuronal network with input-output-interface is the useful model to investigate how to autonomously create an internal object. Using living neuronal network cultured on a multielectrodes-array-dish, We elucidated the relationships between activity patterns evoked by inputs to 3 different electrodes. Activity patterns evoked by 3 different(More)
—One of effective approaches to problems of conventional artificial intelligence is "embodied cognitive science". To realize an embodiment of a cultured living neuronal circuit, we provided cultured neurons with a body of a miniature-moving robot. The aim of this neuro-robot system is preparing a testing environment of the suitable relationship between(More)