In the young of many mammalian species, including humans, a vigorous and highly
rewarding social activity is abundantly expressed, known as social play behaviour. Social …

Objective. Concerns exist that stimulant therapy of youths with attention-deficit/hyperactivity
disorder (ADHD) may result in an increased risk for subsequent substance use disorders …

The prevailing view is that recreational methamphetamine use causes a broad range of
severe cognitive deficits, despite the fact that concerns have been raised about …

Background Methylphenidate (MPH) is the classic treatment for Attention Deficit
Hyperactivity Disorder (ADHD), yet the mechanisms underlying its therapeutic actions …

Traumatic brain injury (TBI) represents a significant cause of death and disability in
industrialized countries. Of particular importance to patients the chronic effect that TBI has on …

Methylphenidate (MP)(ritalin) is widely used in the treatment of children and adolescents
with attention deficit hyperactivity disorder, but little is known about therapeutic mechanisms …

BACKGROUND: Methylphenidate (MPH) is a psychomotor stimulant medication widely used
for the treatment of attention-deficit/hyperactivity disorder (ADHD). Given the extent of …

Treatment of attention deficit hyperactivity disorder with the psychostimulant drug
methylphenidate (MP) has increased dramatically among schoolchildren. We tested whether …

Social play behavior, abundant in the young of most mammalian species, is thought to be
important for social and cognitive development. Social play is highly rewarding, and as such …

The validity of the Spontaneously Hypertensive rat (SHR) as a model for Attention Deficit
Hyperactivity Disorder (ADHD) is explored by comparing the SHR with Wistar-Kyoto (WKY) …