On May 15 05:26 96, MARK PROBERT of 1:2619/110 wrote to JERRY SCHWARTZ:
JS>>Ritalin is a stimulant, not a sedative.  In many people with AD(H)D,
JS>>it has the paradoxical effect of stimulating the parts of the brain
JS>>that reduce impulsiveness and help you concentrate.
MP> A paradoxical effect is the *opposite* of what is expected. Thus, when 
MP> methylphenidate stimulates and area of the brain, it is doing what is 
MP> expected. 
Only in retrospect is that expected.  Without foreknowledge or experience, 
one would expect a stimulant to lead to increased impulsivity.
Jerry Schwartz
--- MsgedSQB 3.30.01
---------------