"Stimulant medications like Ritalin and Vyvanse block the reuptake of dopamine and norepinephrine, increasing their concentrations at the synapse, but do not activate attention areas in the prefrontal cortex."
"The study analyzed nearly 12,000 resting-state fMRI studies, revealing that children who took stimulants showed no activity in frontal cortex regions that control attention."
"The largest changes in functional connectivity occurred in brain areas associated with arousal and anticipation of reward, rather than in attention networks."
"Conversations around ADHD should encompass motivation and sleep, in addition to the role of medication, to provide a more comprehensive understanding of treatment."
A study from Washington University reveals that stimulant medications for ADHD do not affect the prefrontal cortex's attention networks. Instead, they alter functional connectivity in arousal and reward centers. The research analyzed nearly 12,000 fMRI studies, finding no activity in frontal cortex regions related to attention in children who took stimulants. These medications appear to reverse the effects of sleep deprivation and suggest that discussions about ADHD should include factors like motivation and sleep alongside medication.
Read at Psychology Today
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