有色情使用问题的人在做出风险决策时对预期价值的敏感性减弱。

IF 6.6 1区 医学 Q1 PSYCHIATRY
Journal of Behavioral Addictions Pub Date : 2024-08-13 Print Date: 2024-10-04 DOI:10.1556/2006.2024.00043
Jianfeng Wang, Shuangyi Qu, Ruiyu Li, Shaoyue Tang, Hong Li
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引用次数: 0

摘要

背景和目的:成瘾的神经生物学模型认为,成瘾表现为对成瘾相关刺激的显著性增强,而对非成瘾相关刺激的反应性减弱。然而,现有关于问题色情使用(PPU)者奖励加工的研究主要局限于性线索反应:在这项事件相关电位(ERP)研究中,我们采用了一项风险决策任务,让 30 名 PPU 患者和 33 名健康对照者(HCs)参与其中,以研究 PPU 对非色情(金钱)奖励估值的影响:结果:与健康对照组相比,PPU 患者对金钱奖励的敏感度有所下降。具体来说,HC 组的晚期正电位(LPP)振幅对不同的预期价值(EV)水平表现出不同的反应,而 PPU 组则没有这种模式。这种障碍与较差的适应性决策有关,表现为PPU参与者无法根据EV的变化调整风险选择,导致他们在不利情况下倾向于做出更冒险的决策:PPU患者的货币评估能力受损,这可能解释了为什么他们不断追求色情奖励,却对日常生活中的其他奖励不敏感。因此,在制定治疗策略时,可以优先考虑提高这类人群对非色情奖励的敏感度。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Blunted sensitivity to expected value during risky decision making in individuals with problematic pornography use.

Background and aims: Neurobiological models of addiction posit that addiction manifests through an amplified salience towards addiction-associated stimuli and a diminished responsiveness to non-addiction-related incentives. However, existing research on reward processing in individuals with problematic pornography use (PPU) has primarily been limited to sexual cue reactivity.

Methods: In this event-related potential (ERP) study, we employed a risky decision-making task involving 30 individuals with PPU and 33 healthy controls (HCs) to examine the effects of PPU on non-pornographic (money) reward valuation.

Results: Compared to HCs, individuals with PPU exhibited compromised sensitivity to monetary rewards. Specifically, while the HC group demonstrated a differential response in late positive potential (LPP) amplitude to various expected value (EV) levels, this pattern was absent in the PPU group. This impairment was associated with poorer adaptive decision-making, as evidenced by PPU participants' inability to adjust risk choices based on changes in EV, leading to a propensity for riskier decisions in disadvantageous situations.

Discussion and conclusions: The findings of impaired monetary evaluation in individuals with PPU may potentially explain why they continually pursue pornographic rewards while showing insensitivity to other rewards in daily life. Consequently, treatment development strategies may prioritize improving sensitivity to non-pornographic rewards within this population.

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来源期刊
CiteScore
12.30
自引率
7.70%
发文量
91
审稿时长
20 weeks
期刊介绍: The aim of Journal of Behavioral Addictions is to create a forum for the scientific information exchange with regard to behavioral addictions. The journal is a broad focused interdisciplinary one that publishes manuscripts on different approaches of non-substance addictions, research reports focusing on the addictive patterns of various behaviors, especially disorders of the impulsive-compulsive spectrum, and also publishes reviews in these topics. Coverage ranges from genetic and neurobiological research through psychological and clinical psychiatric approaches to epidemiological, sociological and anthropological aspects.
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