Ritalin Dose Changes Effect Research with rats finds that
Ritalin at low doses encourages neurons to fire together, but at
high doses it's just another stimulant. Christopher Intagliata
reports More 60-Second Science In this engrossing journey into
the lives of psychopaths and their infamously crafty behaviors,
the renowned psychologist Kevin Dutton reveals that there is
a... Read More » [The following is an exact transcript of this
podcast.] Doctors prescribe Ritalin to hyperactive kids to calm
them down and increase their attention span. And college kids
have taken to using Ritalin to concentrate when they hit the
books. But it hasn’t been clear how the drug boosts focus. Now a
paper in the journal Biological Psychiatry suggests how it might
work. Neuroscientists dosed rats with Ritalin and had them
perform the kind of working memory task ADHD patients have
trouble with. At the same time they measured neural activity
with tiny electrodes implanted in the rats’ brains. At low
doses, Ritalin primarily affecte