講義 Motor Cortex Computes Reaching Dynamics in Cartesian Reference Frames Unsolved debate: M1 for muscle or movements? Spatial representation of reaching dynamics Spatial representation hypothesis Model explains a variety of findings in M…

講義 STDP in equations Functional consequence: reduced latency Functional consequence: latent pattern detection Online Implementation of STDP learning Weight dependence: hard and soft bounds Temporal all-to-all versus nearest-neighbor spik…

講義 Modeling synapses: conductance-based model Spike-timing plasticity (STDP) 講義 www.youtube.com Modeling synapses: conductance-based model Spike-timing plasticity (STDP)

講義 Wight normalization: additive or multiplicative Oja learning rule as a principle component analyzer. 講義 www.youtube.com Wight normalization: additive or multiplicative Oja learning rule as a principle component analyzer.

講義 How does a neuron represent information? Hebb's postulate of activity dependent plasticity. Synaptic plasticity: rate-coding model This form is learning rule is unstable Hebbian plasticity in equation -> Generalization of Hebbian lear…

講義 Synaptic plasticity underlies behavioral modification Synapses: electrical and chemical neurotransmission Long-term potentiation (LTP) of hippocampal synapses Long-term depression (LTD) 講義 www.youtube.com Synaptic plasticity underli…

講義 Phase-plane plot: one-dimensional case Phase-plane plot: two-dimensional case Phase-plane plot: Nullclines Phase-plane plot: Separatric Bifurcation: Saddle-node bifurcation Bifurcation: (supercritical) Andronov-Hopf bifurcation Izhike…

講義 Ion channels: Nernst equation Ion channels: Goldman-Hodgkin-Katz equation Hodgkin-Huxley model 講義 www.youtube.com Ion channels: Nernst equation Ion channels: Goldman-Hodgkin-Katz equation Hodgkin-Huxley model

講義 Quadratic-and-fire model 図 Resonate-and-fire model 図 講義 www.youtube.com Quadratic-and-fire model In general, the dynamics for membrane potential has general form: For LIF model, F is linear in terms of both v and I. Quadratic-and-…

講義 収斂進化(Convergent evolution) Leaky Integrate-and-file model (LIF) Leaky Integration Fire(spike) Analytical Solution of LIF model with constant current 解になっているか確かめる f-I curve of LIF model 図 講義 www.youtube.com 収斂進化(…

講義 計算論的神経科学(computational neuroscience) David Marr's tri-levels of computational neuroscience 強化学習の例(David Marr's tri-levels of computational neuroscience) 講義 www.youtube.com 計算論的神経科学(computational neuroscience) …