Reward-related brain function and sleep in pre/early pubertal and mid/late pubertal adolescents.
Reward-related brain function and sleep in pre/early pubertal and mid/late pubertal adolescents.
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DOI：
10.1016/j.jadohealth.2009.04.001
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发表时间：
2009-10
影响因子：
7.6
通讯作者：
Dahl, Ronald E.
中科院分区：
文献类型：
--
作者：
Holm, Stephanie M.;Forbes, Erika E.;Ryan, Neal D.;Phillips, Mary L.;Tarr, Jill A.;Dahl, Ronald E.
The onset of adolescence is a time of dramatic changes, including changes in sleep, and a time of new health concerns related to increases in risk-taking, sensation-seeking, depression, substance use, and accidents. As part of a larger study examining puberty-specific changes in adolescents' reward-related brain function, the current paper focuses on the relationship between functional neuroimaging measures of reward and measures of sleep. 58 healthy participants age 11-13 completed a functional magnetic resonance imaging scan using a guessing task with monetary rewards and four-days of at home actigraphy and self-reported sleep ratings. Sleep variables included actigraph measures of mean weekend minutes asleep, sleep onset time, and sleep offset time, as well as self-reported sleep quality. During reward anticipation, less activation in the caudate (part of the ventral striatum) was associated with fewer minutes asleep, later sleep onset time, and lower sleep quality. During reward outcome, less caudate activation was associated with later sleep onset time, earlier sleep offset time, and lower sleep quality. It has been hypothesized that adolescents' low reactivity in reward-related brain areas could lead to compensatory increases in reward-driven behavior. This study's findings suggest that sleep could contribute to such behavior. Because decreased sleep has been associated with risky behavior and negative mood, these findings raise concerns about a negative spiral whereby the effects of puberty and sleep deprivation may have synergistic effects on reward processing, contributing to adolescent behavioral and emotional health problems.
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DOI：
10.1097/01.chi.0000179057.54419.17
发表时间：
2005-11-01
影响因子：
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作者：
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影响因子：
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影响因子：
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DOI：
10.1111/j.1469-7610.2006.01673.x
发表时间：
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影响因子：
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作者：
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通讯作者：
Dahl, Ronald E.