送交者: peanut 于 2005-6-30, 15:00:41:
回答: Interesting. Thank you. 由 cornbug 于 2005-6-30, 14:41:41:
If your partner follows your command and plays dumb, your brain can predict the touch stimulus by his finger accurately and there is no tickle.
If your partner does not follow your command, there is mismatch between your brain's prediction and his touch stimulus and there is tickle.