NEURONAL DYNAMICS I:ACTIVATIONS AND SIGNALS NEURONAL DYNAMICAL SYSTEMS Description:a system of first-order differential or difference equations that govern the time evolution of the neuronal activations or membrane potentials Activation differential equations: xi=8(Fx,F,…）i=1,2,…n (1) y=h,(Fx,Fy,…i=1,2,…p (2) in vector notation: x=gi(Fx,F,）i=1,2,…n (3) y=h(Fx,Fy,…i=1,2,…p (4) 1414 NEURONAL DYNAMICAL SYSTEMS Description:a system of first-order differential or difference equations that govern the time evolution of the neuronal activations or membrane potentials Activation differential equations: x  i = gi (FX ,FY , ) i = 1,2, n y  i = hi (FX ,FY , ) i = 1,2, p in vector notation: x  = gi (FX ,FY , ) i = 1,2, n y  = hi (FX ,FY , ) i = 1,2, p (1) (2) (3) (4) NEURONAL DYNAMICS Ⅰ: ACTIVATIONS AND SIGNALS