Ryo Kagaya

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BACKGROUND Human growth hormone (hGH) transgenic (TG) rats have been produced in our laboratory. These TG rats are characterized by low circulating hGH levels, virtually no endogenous rGH secretion, and massive obesity. OBJECTIVE To elucidate how energy balance and leptin sensitivity contributed to the establishment of this obesity. DESIGN AND METHODS(More)
We propose a new method of canceling the fixed-pattern noise of CMOS activepixel image sensors caused by the threshold mismatch of MOS FETs in pixel circuits. This method uses with non-destructive intermediate readout circuitry. Assuming a TSMC 0.25-μm mixed-signal process, we designed a CMOS image sensor in which the canceling circuit was implemented for(More)
Synchrony detection between burst and non-burst spikes is known to be one functional example of depressing synapses. Kanazawa et al. demonstrated synchrony detection with MOS depressing synapse circuits. They found that the performance of a network with depressing synapses that discriminates between burst and random input spikes increases non-monotonically(More)
Neuromorphic computing based on single-electron circuit technology is gaining prominence because of recent claims about its massively increased computational efficiency and its increasing relevance between computer technology and nanotechnology [1], [2]. Its impact will be strongly felt maximum when single-electron circuits can operate at room temperature,(More)
Psychological approaches such as mindfulness-based stress reduction or mindfulness-based cognitive therapy could be effective for relieving a wide range of psychosocial stresses or frictions between parents and children. Several interventional approaches based on mindfulness have been shown to be useful for improving parent-child relationships not only(More)
Background: Synaptic depression, network dynamics, and their applications have recently attracted the attention of many modelers who mainly focused on the dynamic implications of neural systems. Abbott et al., for example, reported a striking feature of synaptic transmission between neurons [1] where postsynaptic firing rates for input spike trains are(More)
Synchrony detection between burst and non-burst spikes is known to be one functional example of depressing synapses. Kanazawa et al. demonstrated synchrony detection with MOS depressing synapse circuits. They found that the performance of a network with depressing synapses that discriminates between burst and random input spikes increases nonmonotonically(More)
We propose a new method of canceling the fixed-pattern noise of CMOS activepixel image sensors caused by the threshold mismatch of MOS FETs in pixel circuits. This method uses with non-destructive intermediate readout circuitry. Assuming a TSMC 0.25-μm mixed-signal process, we designed a CMOS image sensor in which the canceling circuit was implemented for(More)
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