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Neural activation to loss and reward among alcohol naive adolescents who later initiate alcohol use

机译:神经激活以减少酒精幼稚青少年之间的损失和奖励

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摘要

Adolescent alcohol use is associated with adverse psychosocial outcomes, including an increased risk of alcohol use disorder in adulthood. It is therefore important to identify risk factors of alcohol initiation in adolescence. Research to date has shown that altered neural activation to reward is associated with alcohol use in adolescence; however, few studies have focused on neural activation to loss and alcohol use. The current study examined neural activation to loss and reward among 64 alcohol naive 12−14 year olds that did (n = 20) and did not initiate alcohol use by a three year follow-up period. Results showed that compared to adolescents that did not initiate alcohol use, adolescents that did initiate alcohol use by the three year follow-up period had increased activation to loss in the left striatum (i.e., putamen), right precuneus, and the brainstem/pons when they were alcohol naive at baseline. By contrast, alcohol initiation was not associated with neural activation to winning a reward. These results suggest that increased activation in brain regions implicated in salience, error detection/self-referential processing, and sensorimotor function, especially to negative outcomes, may represent an initial vulnerability factor for alcohol use in adolescence.
机译:青少年酒精使用与不良心理外科的结果有关,包括成年期酒精使用障碍的风险增加。因此,重要的是识别青春期醇引发的危险因素。迄今为止的研究表明,改变的神经激活奖励与青春期的酒精使用相关;然而,很少有研究专注于神经激活减少和饮酒。目前的研究检测了损失和奖励的神经激活,在64岁的人Naive 12-14岁(n = 20)中的损失和奖励,并没有通过三年的随访期开始饮酒。结果表明,与未开始饮酒的青少年相比,这三年后续期间饮酒使用的青少年在左纹状体(即腐败),右翼原导和脑干/ PONS中增加了损失的激活当它们在基线时是酒精天真的。相比之下,酒精启动与神经激活无关,以赢得奖励。这些结果表明,在显着性,误差检测/自我参照处理和感觉电流功能中涉及脑区域的激活,尤其是对负性结果,可以代表青春期醇类使用的初始脆弱因素。

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