Figure 2. DAT availability in striatum, measured with TRODAT-1 SPECT, in 17 adults with ADHD before and after (in 16 patients) 4 weeks of intake of 5 mg methylphenidate 3 times daily, compared with 16 controls, and in relation to age. DAT, dopamine transporter; SPECT, single photon emission computed tomography; ADHD, attention deficit hyperactivity disorder.
