一项研究发现,AddHD兴奋剂通过提高警惕性和积极性而不是关注而提高了重点。 ADHD stimulants boost focus by increasing alertness and motivation, not attention, a study finds.

刺激性药物治疗ADHD的效果是:提高注意力, 不是直接提高注意力, Stimulant medications for ADHD improve focus not by directly enhancing attention, but by increasing norepinephrine to combat sleep deprivation and boosting dopamine to make unengaging tasks feel more tolerable and slightly rewarding. 利用来自5,700多名儿童的FMRI数据进行的一项研究发现,这些药物激活了与振奋和奖励有关的大脑区域,而不是注意力电路,这表明加强关注是提高警惕性和动机的次要效果。 A study using fMRI data from over 5,700 children found these drugs activate brain regions linked to arousal and reward, not attention circuits, suggesting improved focus is a secondary effect of greater alertness and motivation. 这些结果发表在2025年12月24日的细胞上,可能导致脑部扫描,确定最有可能受益的儿童,帮助减少兴奋剂使用率上升时的过度处方。 The findings, published in Cell on December 24, 2025, may lead to brain scans that identify children most likely to benefit, helping reduce overprescription amid rising stimulant use.