Psychostimulants increase dopamine levels, enhancing task-relevant cortical signals by acting on the striatum and the difference in dopamine synthesis capacity in the striatum explains the variability in the drugs' cognitive effects.
Study sheds new light on the neurobiological mechanisms that occur, allowing the ADHD drug Ritalin to improve attention and report the drug could have benefits for a range of cognitive changes associated with aging.
Withdrawal from psychostimulants including methamphetamines, cocaine, and nicotine, produced restructuring of brain regions and major increases in functional connectivity, a new mouse study reveals.
Episodic exposure to nicotine, caffeine, and amphetamines triggers malfunctions in the fetal brain, specifically affecting the development of the indusium griseum.
Psychostimulant use in young adults is correlated with an increased risk of stroke.
Researchers report, contrary to popular belief, Adderall and other ADHD drugs do not improve cognition in healthy college students. Instead, they may impair cognitive function.
A new study reveals a psychostimulant prescribed for ADHD increases glutamate in the brains of healthy people, resulting in more positive emotions.
A new study reinforces the idea that serotonin, a molecule associated with mood, directly contributes to the actions of cocaine.
According to a new study, the 'smart drug' Modafinil had negative effects on healthy people.
