The neuroscience of itching(newyorker.com)
newyorker.com
The neuroscience of itching
http://www.newyorker.com/reporting/2008/06/30/080630fa_fact_gawande?currentPage=all
http://www.newyorker.com/reporting/2008/06/30/080630fa_fact_gawande?currentPage=all
Perception may be mostly memory and the brain's best guess of a situation, and to a very minor extent, the outlying, sensory nerve signals.