Masato Fujiwara

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A neural network model is proposed to explain the development of direction selectivity of cortical cells. The model is constructed under the following three hypotheses that are very plausible from recent neurophysiological findings. (1) Direction selectivity is developed by modifiable inhibitory synapses. (2) It results not from the direct convergence of(More)
The access-type PLC network system is designed to form an access network by using already-existing MV and LV power lines, and provides end-users with Internet-access and VoIP services. The PLC access-type network system consists of MV (medium-voltage) nodes that are equipped with an interface with a backbone optical network, CPE (Customer Premises(More)
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