Shannon M Locke,Oliver J Robinson
Shannon M Locke
Affective bias - a propensity to focus on negative information at the expense of positive information - is a core feature of many mental health problems. However, it can be caused by wide range of possible underlying cognitive mechanisms. H...
A Reduced Self-Positive Belief Underpins Greater Sensitivity to Negative Evaluation in Socially Anxious Individuals [0.03%]
降低的自我积极信念是社交焦虑个体对负面评价敏感性增高的基础
Alexandra K Hopkins,Ray Dolan,Katherine S Button et al.
Alexandra K Hopkins et al.
Positive self-beliefs are important for well-being, and are influenced by how others evaluate us during social interactions. Mechanistic accounts of self-beliefs have mostly relied on associative learning models. These account for choice be...
Why Depressed Mood is Adaptive: A Numerical Proof of Principle for an Evolutionary Systems Theory of Depression [0.03%]
为什么抑郁情绪是有适应性的：抑郁的进化系统理论的原则的数值证明
Axel Constant,Casper Hesp,Christopher G Davey et al.
Axel Constant et al.
We provide a proof of principle for an evolutionary systems theory (EST) of depression. This theory suggests that normative depressive symptoms counter socioenvironmental volatility by increasing interpersonal support via social signalling ...
Samuel Zorowitz,Ida Momennejad,Nathaniel D Daw
Samuel Zorowitz
Anxiety disorders are characterized by a range of aberrations in the processing of and response to threat, but there is little clarity what core pathogenesis might underlie these symptoms. Here we propose that a particular set of unrealisti...
Differential Effects of Psychotic Illness on Directed and Random Exploration [0.03%]
精神病障碍对目标导向和随机探索的影响差异
James A Waltz,Robert C Wilson,Matthew A Albrecht et al.
James A Waltz et al.
Schizophrenia is associated with a number of deficits in decision-making, but the scope, nature, and cause of these deficits are not completely understood. Here we focus on a particular type of decision, known as the explore/exploit dilemma...
A Hierarchical Bayesian Implementation of the Experience-Weighted Attraction Model [0.03%]
经验吸引法则的分层贝叶斯实现方法
Zhihao Zhang,Saksham Chandra,Andrew Kayser et al.
Zhihao Zhang et al.
Social and decision-making deficits are often the first symptoms of neuropsychiatric disorders. In recent years, economic games, together with computational models of strategic learning, have been increasingly applied to the characterizatio...
Multiple Dissociations Between Comorbid Depression and Anxiety on Reward and Punishment Processing: Evidence From Computationally Informed EEG [0.03%]
计算性脑电图证据揭示共病抑郁和焦虑在奖赏和惩罚加工过程中的多重分离现象
James F Cavanagh,Andrew W Bismark,Michael J Frank et al.
James F Cavanagh et al.
In this report, we provide the first evidence that mood and anxiety dimensions are associated with unique aspects of EEG responses to reward and punishment, respectively. We reanalyzed data from our prior publication of a categorical depict...
Cost Evaluation During Decision-Making in Patients at Early Stages of Psychosis [0.03%]
精神障碍早期阶段患者的决策过程中的成本评估
Anna O Ermakova,Nimrod Gileadi,Franziska Knolle et al.
Anna O Ermakova et al.
Jumping to conclusions during probabilistic reasoning is a cognitive bias reliably observed in psychosis and linked to delusion formation. Although the reasons for this cognitive bias are unknown, one suggestion is that psychosis patients m...
Visual Attention Deficits in Schizophrenia Can Arise From Inhibitory Dysfunction in Thalamus or Cortex [0.03%]
精神分裂症的视觉注意力缺陷起因于丘脑或皮层的抑制功能障碍
Yohan J John,Basilis Zikopoulos,Daniel Bullock et al.
Yohan J John et al.
Schizophrenia is associated with diverse cognitive deficits, including disorders of attention-related oculomotor behavior. At the structural level, schizophrenia is associated with abnormal inhibitory control in the circuit linking cortex a...
A Dynamical Bifurcation Model of Bipolar Disorder Based on Learned Expectation and Asymmetry in Mood Sensitivity [0.03%]
基于学习预期和情绪敏感性不对称的双相情感障碍动力学分叉模型
Shyr-Shea Chang,Tom Chou
Shyr-Shea Chang
Bipolar disorder is a common psychiatric dysfunction characterized by recurring episodes of mania and depression. Despite its prevalence, the causes and mechanisms of bipolar disorder remain largely unknown. Recently, theories focusing on t...