焦虑和恐惧的界限:来自行为遗传学的证据
Snežana Smederevac1, Dušanka Mitrović1, Ljiljana Mihić1
1Department of Psychology, Faculty of Philosophy, University of Novi Sad, Serbia.
Journal of affective disorders
|January 2, 2025
概括
遗传因素显著影响焦虑症和强化敏感性,环境因素也起着关键作用. 了解这些重叠对于区分焦虑和恐惧反应至关重要.
科学领域:
- 行为遗传学行为遗传学
- 精神病学是一个精神病学.
- 神经科学是一个神经科学.
背景情况:
- 焦虑和恐惧是复杂的情绪,往往相互交织,使得它们的区分具有挑战性.
- 修订后的强化灵敏性理论 (rRST) 提供了维度 (BIS,BAS,FFFS) 来理解个人对刺激反应的差异.
- 了解共同的遗传和环境因素是揭开焦虑症病因的关键.
研究的目的:
- 研究共同的遗传和环境因素,这些因素是焦虑障碍和rRST的共同发生的基础.
- 探索焦虑障碍与行为抑制系统 (BIS),行为激活系统 (BAS) 和战斗/飞行/结系统 (FFFS) 之间的潜在性.
主要方法:
- 对塞尔维亚双胞胎登记样本 (356个单胞胎,386个双胞胎) 的分析.
- 使用精神病诊断查问卷 (PDSQ) 检查焦虑障碍 (恐慌, agoraphobia,社会恐惧症,GAD).
- 使用强化灵敏度问卷 (RSQ) 来评估BIS,BAS和FFFS维度.
主要成果:
- 常见的附加遗传效应对BIS,战斗,恐慌, agoraphobia 和社会恐惧症作出了重大贡献.
- 特定的附加遗传效应对飞行是最高的.
- 共享的环境影响对Fight最为明显,对恐慌的BAS和BIS产生了额外的共享影响,对 agoraphobia和社会恐惧症的BAS和Freeze产生了额外的共享影响.
- 在所有变量中,非共享的环境影响是最大的特定贡献者.
结论:
- 在焦虑障碍和rRST维度之间存在遗传重叠 (多元性).
- 独特的环境因素在焦虑障碍的发展中起着重要作用.
- 区分焦虑和恐惧需要考虑共同的遗传和独特的环境影响.
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