http://reply.papertrans.cn/2/183/18286/18286-31.png
Submitted on: 27 August 2000.
Revised on: 19 October 2000.
Accepted on: 12 December 2000.
___________________Journal of Neurophysiology---AMER PHYSIOLOGICAL SOC
http://reply.papertrans.cn/2/183/18286/18286-33.png
Submitted on: 07 June 1998.
Revised on: 11 September 1998.
Accepted on: 01 November 1998.
___________________Journal of Neurophysiology---AMER PHYSIOLOGICAL SOC
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Submitted on: 06 July 2001.
Revised on: 28 October 2001.
Accepted on: 07 November 2001.
___________________Journal of Neurophysiology---AMER PHYSIOLOGICAL SOC