Neuroscience

Impulsivity, rewards and Ritalin: Monkey study shows tighter link

Even as the rate of diagnosis has reached 11 percent among American children aged 4 to 17, neuroscientists are still trying to understand attention deficit hyperactivity disorder (ADHD). One classic symptom is impulsivity—the ...

Attention deficit disorders

Surge in ADHD diagnoses gets a red flag

Doctors sounded a warning Tuesday over a rise in ADHD diagnoses, saying some children may be needlessly taking powerful drugs intended to correct a poorly understood disorder.

Attention deficit disorders

UK children less likely to be diagnosed with ADHD

New research suggests that children are far less likely to be diagnosed with Attention deficit hyperactivity disorder (ADHD) in the UK than they are in the USA. However, the same study, led by the University of Exeter Medical ...

Psychology & Psychiatry

Animal study: long-term ritalin doesn't impact growth

(HealthDay) -- Chronic use of methylphenidate (Ritalin) in young monkeys has no significant effect on growth or the dopamine system, or the likelihood of becoming addicted to cocaine, according to a study published online ...

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