A 16-CHANNEL 8-PARAMETER WAVE-FORM ELECTROTACTILE STIMULATION SYSTEM

被引：28
作者：
KACZMAREK, KA
KRAMER, KM
WEBSTER, JG
RADWIN, RG
机构：
[1] UNIV WISCONSIN,DEPT IND ENGN,MADISON,WI 53706
[2] BAXTER INC,ROUND LAKE,IL
来源：
IEEE TRANSACTIONS ON BIOMEDICAL ENGINEERING | 1991年 / 38卷 / 10期
关键词：
D O I：
10.1109/10.88439
中图分类号：
R318 [生物医学工程];
学科分类号：
0831 ;
摘要：
We have developed a general-purpose electrotactile (electrocutaneous) stimulation system as a research tool for studying psychophysiological performance associated with various stimulation waveforms. An experimenter-defined command file specifies the stimulation current and waveform of each of the 16 channels. The system provides burst onset delay of 0-20 ms, phase current of 0-50 mA, interphase interval of 0-1000-mu-s, number of pulses per burst from 1-100, pulse repetition rate of 0.1-25 kHz, phase width of 2-1000-mu-s, and functionally-monophasic pulses (with zero dc current) or balanced-biphasic pulses (with equal positive and negative phases). The system automatically delivers the desired stimulation, prompts the subject for responses, and then logs subject responses. Key features of the system are 1) very flexible choice of bursts of pulsatile waveforms, 2) real-time control of all of the waveform parameters as mathematical functions of external analog inputs, and 3) high-performance electrode-driver circuitry.
引用
收藏
页码：933 / 943
页数：11
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