Title :
Parameter estimation for the ABR source derivation
Author :
Kahtoh, S. ; Sekiya, T. ; Aruga, M. ; Yokoyama, K. ; Yamazaki, K. ; Saito, M.
Author_Institution :
Inf. Eng. Dept., Teikyo Univ. of Technol., Japan
Abstract :
On the auditory brainstem response (ABR) intensity-latency curve, a critical point between linearity and nonlinearity seems to be approximately 50 dB HL. Above the critical point, the curve showed nonlinearity clearly, and it showed significant saturation at 80 dB HL. The normal and anesthesia ABR showed the same tendency. In the dynamic characteristic of the whole ABR, the vector length increased at sound levels over 50 dB HL. The anesthesia ABR showed strong dependence on consciousness level; the length gradually increased as the anesthesia progressed. In the ABR transfer function model, novel parameters were obtained for the proportional position control, differential action, and the first-order lag.<>
Keywords :
biocontrol; bioelectric potentials; hearing; neurophysiology; parameter estimation; ABR source derivation; ABR transfer function model; anesthesia ABR; auditory brainstem response; consciousness level; critical point; differential action; dynamic characteristic; first-order lag; intensity-latency curve; linearity; nonlinearity; parameter estimation; proportional position control; saturation; sound levels; vector length;
Conference_Titel :
Engineering in Medicine and Biology Society, 1988. Proceedings of the Annual International Conference of the IEEE
Conference_Location :
New Orleans, LA, USA
Print_ISBN :
0-7803-0785-2
DOI :
10.1109/IEMBS.1988.94769
