A brain cell (top) sends dopamine molecules (orange) across a gap to "receptors" (blue) on another cell, generating an electrical signal. Dopamine then is taken back by "transporters" (purple) on the first cell
A brain cell (top) sends dopamine molecules (orange) across a gap to "receptors" (blue) on another cell, generating an electrical signal. Dopamine then is taken back by "transporters" (purple) on the first cell National Institute on Drug Abuse
A brain cell (top) sends dopamine molecules (orange) across a gap to "receptors" (blue) on another cell, generating an electrical signal. Dopamine then is taken back by "transporters" (purple) on the first cell National Institute on Drug Abuse

Scientists seek to manage dopamine's good and bad sides

October 06, 2009 3:18 PM