TUNING THE NEURAL CIRCUITRY OF AFFECTIVE BIASES IN DEPRESSION
调整抑郁症中情感偏差的神经回路
基本信息
- 批准号:MR/K024280/1
- 负责人:
- 金额:$ 104.09万
- 依托单位:
- 依托单位国家:英国
- 项目类别:Fellowship
- 财政年份:2013
- 资助国家:英国
- 起止时间:2013 至 无数据
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
Depression accounts for more 'years lived with disease' than any other illness. It is a devastating disease for both patients and their families and can be fatal, carrying a strong risk of suicide. The current economic downturn has lead to a significant uptick in cases of depression (see e.g. BBC news, 7 April 2011; "Money woes 'linked to rise in depression'"), and as life-spans increase, so do the chances of developing particularly malignant forms of depression (see e.g. Science "The Burden of Mood Disorders", 5 Oct 2012), making this project especially timely.The causes of depression are poorly understood. Many of the most common antidepressants were discovered by accident, and we do not know how or why they work. This project attempts to clearly understand the differences in brain-circuits in people with and without depression and then, critically, explore how to tune these circuits back to healthy function and lift the depressed mood. Looking to the future, it also asks whether it is possible safely tune these circuits in healthy people at risk of depression with an eye towards a longer-term goal of promoting well-being and mental capital.The main research tools used are simple computer tasks alongside brain imaging to examine the brain circuits involved in the processing of good or bad experiences. People with depression focus more on punishments (e.g. losing money, getting an electrical shock) than rewards (e.g. money or food); a negative affective bias. As such, depressed individuals tend to focus solely on bad experiences which can lead to a downward spiral into further depressed mood. By contrast, positive affective biases are seen in some healthy individuals; a dampened response to negative information that may protect against the onset of depression. This project asks if it is possible treat depression by tuning a negative bias into a positive bias. However, there is a "lack of knowledge regarding the neural underpinnings of the highly dynamic pathological pathways" underlying such processing in depression (Science, 5 Oct 2012). This project seeks to rectify this by using a range of novel and complex brain imaging techniques to examine the interactions between lower brain regions (called subcortical) and higher brain regions (called cortical) in cortical-subcortical reward and punishment circuits. Human brain imaging studies have shown that subcortical structures like the amygdala and striatum, as well as cortical structures like the ventral and dorsal anterior cingulate cortex are critical in reward and punishment processing and contribute to affective bias, but although we know these regions are separately involved in depression, we do not know how they interact as circuits. Furthermore, many subcortical structures are so small that neuroimaging technology has only recently advanced to the point that it is possible to accurately measure their activity in humans.Having delineated these circuits, the critical final stage of this project will focus on treatment outcomes.This phase will examine the impact of conventional antidepressants on reward and punishment circuitry, but will also explore the possibility of using novel computerized psychological interventions as 'cognitive vaccines' to promote positive biases in depressed and at-risk healthy individuals. Is it possible to safely tune-up reward-related circuits, and tune-down punishment-related circuits to reduce negative bias in depressed individuals? In sum, there are three overall aims:Aim 1: Clarify the brain circuitry that is responsible for processing rewards and punishment.Aim 2: Compare this circuitry across healthy and depressed individuals to see why depressed individuals tend to focus more on punishments than rewards.Aim 3: Use treatments (both both novel psychological approaches and drug treatments) to change this circuitry so that depressed (and healthy people at risk of depression) focus more on rewards than punishments.
抑郁症比其他任何疾病都要多。它对患者及其家人来说都是一种毁灭性的疾病,可能是致命的,具有很强的自杀风险。目前的经济衰退导致抑郁症病例显著上升(参见例如BBC新闻,2011年4月7日;“金钱困境与抑郁症的增加有关”),随着寿命的延长,患上特别恶性抑郁症的机会也会增加(参见Eidogg. Science“情绪障碍的负担”,2012年10月5日),使这个项目特别及时。抑郁症的原因知之甚少。许多最常见的抗抑郁药都是偶然发现的,我们不知道它们是如何或为什么起作用的。这个项目试图清楚地了解患有和没有抑郁症的人的大脑回路的差异,然后,批判性地探索如何将这些回路调整回健康的功能并解除抑郁情绪。展望未来,它还提出了一个问题,即是否有可能安全地调整处于抑郁风险中的健康人的这些回路,着眼于促进健康和心理资本的长期目标。使用的主要研究工具是简单的计算机任务以及大脑成像,以检查参与处理好的或坏的经历的大脑回路。抑郁症患者更关注惩罚(例如赔钱,触电)而不是奖励(例如金钱或食物);消极的情感偏见。因此,抑郁的人往往只关注糟糕的经历,这可能导致进一步抑郁的情绪。相比之下,在一些健康的个体中可以看到积极的情感偏见;对负面信息的抑制反应可能会防止抑郁症的发作。这个项目询问是否有可能通过将消极偏见调整为积极偏见来治疗抑郁症。然而,在抑郁症的这种处理过程中,“缺乏关于高度动态病理通路的神经基础的知识”(Science,2012年10月5日)。该项目试图通过使用一系列新颖而复杂的大脑成像技术来纠正这一点,以检查皮质-皮质下奖励和惩罚回路中较低的大脑区域(称为皮质下)和较高的大脑区域(称为皮质)之间的相互作用。人类大脑成像研究表明,杏仁核和纹状体等皮质下结构,以及腹侧和背侧前扣带皮层等皮质结构,在奖赏和惩罚处理过程中至关重要,并有助于情感偏见,但尽管我们知道这些区域分别与抑郁有关,我们不知道它们如何作为回路相互作用。此外,许多皮层下结构非常小,神经成像技术直到最近才发展到可以精确测量人类大脑皮层下结构的活动。在描绘了这些回路之后,该项目的关键最后阶段将集中于治疗结果。这一阶段将研究传统抗抑郁药对奖励和惩罚回路的影响,但也将探索使用新的计算机化心理干预作为“认知疫苗”的可能性,以促进抑郁和处于危险中的健康个体的积极偏见。是否有可能安全地调整与奖励相关的回路,并调整与惩罚相关的回路,以减少抑郁个体的负面偏见?总之,我们有三个总体目标:目标1:明确负责处理奖励和惩罚的大脑回路;目标2:比较健康和抑郁个体的大脑回路,看看为什么抑郁个体更倾向于关注惩罚而不是奖励;目标3:使用治疗(包括新颖的心理学方法和药物治疗)来改变这种回路,(以及有抑郁风险的健康人)更注重奖励而不是惩罚。
项目成果
期刊论文数量(10)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
The impact of threat of shock-induced anxiety on memory encoding and retrieval.
- DOI:10.1101/lm.045187.117
- 发表时间:2017-10
- 期刊:
- 影响因子:0
- 作者:Bolton S;Robinson OJ
- 通讯作者:Robinson OJ
Towards an emotional 'stress test': a reliable, non-subjective cognitive measure of anxious responding.
朝着情感上的“压力测试”:一种可靠的,非主体的认知度量的焦虑响应。
- DOI:10.1038/srep40094
- 发表时间:2017-01-10
- 期刊:
- 影响因子:4.6
- 作者:Aylward J;Robinson OJ
- 通讯作者:Robinson OJ
Enhanced Risk Aversion, But Not Loss Aversion, in Unmedicated Pathological Anxiety.
- DOI:10.1016/j.biopsych.2016.12.010
- 发表时间:2017-06-15
- 期刊:
- 影响因子:10.6
- 作者:Charpentier CJ;Aylward J;Roiser JP;Robinson OJ
- 通讯作者:Robinson OJ
The impact of induced anxiety on affective response inhibition.
- DOI:10.1098/rsos.170084
- 发表时间:2017-06
- 期刊:
- 影响因子:3.5
- 作者:Aylward J;Valton V;Goer F;Mkrtchian A;Lally N;Peters S;Limbachya T;Robinson OJ
- 通讯作者:Robinson OJ
How representative are neuroimaging samples? Large-scale evidence for trait anxiety differences between fMRI and behaviour-only research participants.
- DOI:10.1093/scan/nsab057
- 发表时间:2021-09-30
- 期刊:
- 影响因子:4.2
- 作者:Charpentier CJ;Faulkner P;Pool ER;Ly V;Tollenaar MS;Kluen LM;Fransen A;Yamamori Y;Lally N;Mkrtchian A;Valton V;Huys QJM;Sarigiannidis I;Morrow KA;Krenz V;Kalbe F;Cremer A;Zerbes G;Kausche FM;Wanke N;Giarrizzo A;Pulcu E;Murphy S;Kaltenboeck A;Browning M;Paul LK;Cools R;Roelofs K;Pessoa L;Harmer CJ;Chase HW;Grillon C;Schwabe L;Roiser JP;Robinson OJ;O'Doherty JP
- 通讯作者:O'Doherty JP
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Oliver Robinson其他文献
242. Translational Computational Assessment of Approach-Avoidance Conflict in Human Anxiety
- DOI:
10.1016/j.biopsych.2023.02.482 - 发表时间:
2023-05-01 - 期刊:
- 影响因子:
- 作者:
Yumeya Yamamori;Jonathan Roiser;Oliver Robinson - 通讯作者:
Oliver Robinson
COVID-19 Lockdown Policies: An Interdisciplinary Review
COVID-19 封锁政策:跨学科审查
- DOI:
10.2139/ssrn.3782395 - 发表时间:
2021 - 期刊:
- 影响因子:0
- 作者:
Oliver Robinson - 通讯作者:
Oliver Robinson
Navigating Groundlessness: An interview study on dealing with ontological shock and existential distress following psychedelic experiences
导航无根据:关于处理迷幻经历后本体冲击和存在困扰的访谈研究
- DOI:
- 发表时间:
2024 - 期刊:
- 影响因子:0
- 作者:
E. K. Argyri;Jules Evans;David Luke;Pascal Michael;Katrina Michelle;Cyrus Rohani;Shayam Suseelan;Ed Prideaux;Rosalind McAlpine;Ashleigh Murphy;Oliver Robinson - 通讯作者:
Oliver Robinson
Association of environmental noise exposure with cortisol levels in children from eight European birth cohorts
来自八个欧洲出生队列的儿童环境噪声暴露与皮质醇水平的关联
- DOI:
10.1016/j.envres.2025.121541 - 发表时间:
2025-07-15 - 期刊:
- 影响因子:7.700
- 作者:
Ane Arregi;Oliver Robinson;Gunn Marit Aasvang;Sandra Andrusaityte;Audrius Dedele;Jorunn Evandt;Gonzalo Garcia-Baquero;Norun Hjertager Krog;Mònica Guxens;Vincent W.V. Jaddoe;Marianna Karachaliou;Aitana Lertxundi;Katerina Margetaki;Rosemary McEachan;Mark Nieuwenhuijsen;Claire Philippat;Oscar J. Pozo;Remy Slama;Mikel Subiza-Pérez;Elisabeth F.C. van Rossum;Nerea Lertxundi - 通讯作者:
Nerea Lertxundi
870. Induced Anxiety Leads to Underestimating Time
- DOI:
10.1016/j.biopsych.2017.02.595 - 发表时间:
2017-05-15 - 期刊:
- 影响因子:
- 作者:
Ioannis Sarigiannidis;Monique Ernst;Christian Grillon;Jonathan Roiser;Oliver Robinson - 通讯作者:
Oliver Robinson
Oliver Robinson的其他文献
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{{ truncateString('Oliver Robinson', 18)}}的其他基金
Metabolomic and omic assessment of biological ageing across the life-course (METAGE)
生命全程生物衰老的代谢组学和组学评估 (METAGE)
- 批准号:
MR/Y02012X/1 - 财政年份:2024
- 资助金额:
$ 104.09万 - 项目类别:
Fellowship
Metabolomic and omic assessment of biological ageing across the life-course (METAGE)
生命全程生物衰老的代谢组学和组学评估 (METAGE)
- 批准号:
MR/S03532X/1 - 财政年份:2020
- 资助金额:
$ 104.09万 - 项目类别:
Fellowship
MICA: The Translational, Computational and Neurocognitive Basis of Anxiety
MICA:焦虑的转化、计算和神经认知基础
- 批准号:
MR/R020817/1 - 财政年份:2018
- 资助金额:
$ 104.09万 - 项目类别:
Fellowship
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