Department of Psychological Sciences, William & Mary.
Psychol Addict Behav. 2023 Sep;37(6):785-795. doi: 10.1037/adb0000880. Epub 2022 Aug 29.
The goal of the present study was to investigate neural responses to smoking cues in preadolescent children of smokers and nonsmokers.
To accomplish this, we recruited 111 8-12-year-old children ( = 122.13 months; = 17.41; 50 female) and their parents. Participants were presented with 60 pictures of smoking-related and control cues that were matched in color, intensity, and size in random order on a computer screen. Pictures depicted people interacting with the relevant objects or the relevant objects were presented alone. Neural activity in the form of electroencephalogram was recorded during the presentation of the pictures, and event-related potentials elicited by these stimuli were examined. Parents answered questions about how often they smoked cigarettes and about their motives for smoking.
Results demonstrated that P3 amplitude was larger to smoking-related cues compared to non-smoking-related cues for children of smokers in the central, parietal, and occipital regions. This effect was only seen for pictures depicting people interacting with the stimuli (e.g., a person holding a cigarette). In contrast, responses did not differ across conditions in children of nonsmokers. Moreover, P3 amplitudes were larger for children of parents who reported that smoking provided greater positive and negative reinforcement.
These findings provide important insights about the mechanisms involved in the relationship between parental and child smoking. (PsycInfo Database Record (c) 2023 APA, all rights reserved).
本研究旨在探讨青少年吸烟者和非吸烟者子女对吸烟线索的神经反应。
为了实现这一目标,我们招募了 111 名 8-12 岁的儿童(=122.13 个月;=17.41;50 名女性)及其父母。参与者在电脑屏幕上随机呈现 60 张与吸烟相关和对照线索的图片,这些图片在颜色、强度和大小上相匹配。图片描绘了人与相关物体的互动或单独呈现相关物体。在呈现图片的过程中记录脑电图形式的神经活动,并检查这些刺激引起的事件相关电位。父母回答了他们吸烟的频率以及吸烟的动机等问题。
结果表明,与非吸烟相关线索相比,吸烟者子女在中央、顶叶和枕叶区域对吸烟相关线索的 P3 振幅更大。这种效应仅见于描绘人与刺激物相互作用的图片(例如,一个人拿着香烟)。相比之下,在非吸烟者子女中,反应在不同条件下没有差异。此外,父母报告吸烟提供更大的正强化和负强化的儿童的 P3 振幅更大。
这些发现为父母和孩子吸烟关系中涉及的机制提供了重要的见解。(PsycInfo 数据库记录(c)2023 APA,保留所有权利)。