Werle Dustin, Schroeder Philipp A, Wolz Ines, Svaldi Jennifer
University of Tuebingen, Department of Clinical Psychology and Psychotherapy, Schleichstrasse 4, 72076 Tuebingen, Germany.
Addict Behav Rep. 2021 Mar 16;13:100344. doi: 10.1016/j.abrep.2021.100344. eCollection 2021 Jun.
Binge behavior not only refers to the consumption of substances such as alcohol or food, but is also used in relation to gaming, watching and gambling. Dependent on context it makes for a widespread, benign recreational activity or can pose a serious mental health problem with deleterious consequences. Incentive sensitization theory describes the attribution of salience towards stimuli strongly associated with dopamine-mediated reward as a result of repeated consumption. The sensitized neural networks cause cue-triggered craving and excessive desire, but thus, this mechanism may also be applicable to stimulus-induced behaviors not associated with classical withdrawal symptoms. Event-related potentials (ERP) are a useful method of examining motivated attention towards incentive stimuli. This mini review aims to synthesize ERP findings from different types of binge behaviors in order to compare cue-reactivity to incentive stimuli.
Studies investigating binge drinking, binge eating as well as binge watching, gaming and gambling were screened. To limit the influence of concurrent task demands, ERP studies applying picture viewing paradigms with incentive stimuli were selected.
Across binge behaviors, evidence on altered mid-latency ERPs has been mixed. However, studies investigating later stages of attentional processes more consistently find enlarged P300 and late positive potentials (LPP) amplitudes to relevant cues.
An altered attentional processing of incentive stimuli reflecting motivated attention is in line with incentive sensitization theory. Considering the limited number of studies, especially regarding binge behaviors not involving substances, more research is needed to attain a more thorough understanding of incentive sensitization across binge behaviors.
暴饮暴食行为不仅指对酒精或食物等物质的摄入，还与游戏、观看和赌博有关。根据具体情境，它既可以是一种普遍的良性娱乐活动，也可能引发严重的心理健康问题并产生有害后果。动机敏感化理论描述了由于反复消费，对与多巴胺介导的奖励密切相关的刺激赋予显著性。这种敏感化的神经网络会导致线索触发的渴望和过度欲望，因此，这种机制也可能适用于与经典戒断症状无关的刺激诱导行为。事件相关电位（ERP）是检验对激励刺激的动机性注意力的一种有用方法。本综述旨在综合不同类型暴饮暴食行为的ERP研究结果，以比较对激励刺激的线索反应性。
筛选了调查暴饮、暴饮暴食以及 binge watching、游戏和赌博的研究。为了限制并发任务需求的影响，选择了应用带有激励刺激的图片观看范式的ERP研究。
在各种暴饮暴食行为中，关于中潜伏期ERP改变的证据不一。然而，调查注意力过程后期阶段的研究更一致地发现，对相关线索的P300和晚期正电位（LPP）振幅增大。
反映动机性注意力的激励刺激的注意力加工改变与动机敏感化理论一致。鉴于研究数量有限，特别是关于不涉及物质的暴饮暴食行为，需要更多研究以更全面地理解各种暴饮暴食行为中的动机敏感化。
