豚鼠脑干听觉诱发反应的分析及建模初探

本文运用系统建模的方法,在时域和频域中分析了听觉脑干诱发反应(ABR)和听觉频率跟随反应(FFR)的实验数据,讨论了此两种反应之间即相联系又相独立的关系,及两种反应对刺激信号的线性和非线性关系。用单纯型最优化方法,对其参数进行辨识,建立一个线性传递函数和非线性函数及脉冲函数组合的模型。 整个模型在计算机上进行模拟,模拟的结果与FFR和ABR记录的数据相符。

FIRST EXPLORATION ABOUT SYSTEM ANALYSIS AND MODELING OF THE AUDITORY EVOKED RESPONSE IN GUINEA PIG

Experimental data of Auditory Brain stem Response (ABR) and Frequency Following Response (FFR) were analyzed with system modeline both in time domain and frequency domain in this paper. The relationship and difference between these two responses, and the linear and nonlinear relations of the responses to stimuli were discussed. with simplex optimization, a combination model of linear transfer function,nonlinear function and impulse function was established, and its parameters were estimated.The whole model was simulated with computer. The simulation results and experimental data of ABR and FFR coincide quite well.