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https://www.readbyqxmd.com/read/29772258/they-all-do-it-will-you-event-related-potential-evidence-of-herding-behavior-in-online-peer-to-peer-lending
#1
Haihong Yu, MengHan Dan, Qingguo Ma, Jia Jin
As herding is a typical characteristic of human behavior, many researchers have found the existence of herding behavior in online peer-to-peer lending through empirical surveys. However, the underlying neural basis of this phenomenon is still unclear. In the current study, we studied the neural activities of herding at decision-making stage and feedback stage using event-related potentials (ERPs). Our results showed that at decision-making stage, larger error related negativity (ERN) amplitude was induced under low-proportion conditions than that of high-proportion conditions...
May 14, 2018: Neuroscience Letters
https://www.readbyqxmd.com/read/29761375/internal-control-beliefs-and-reference-frame-concurrently-impact-early-performance-monitoring-erps
#2
Daniela M Pfabigan, Anna M Wucherer, Claus Lamm
This study investigated the impact of criterion-based vs. social reference frames on behavioural and neural correlates of performance monitoring while taking individual differences in control beliefs into account. We conducted two experiments administering a time estimation task in which feedback was either delivered pertaining to participants' own performance (nonsocial/criterion-based reference) or to the performance of a reference group of previous participants (social reference). In Experiment 1, 34 male volunteers participated...
May 14, 2018: Cognitive, Affective & Behavioral Neuroscience
https://www.readbyqxmd.com/read/29707167/anhedonia-and-emotional-numbing-in-treatment-seeking-veterans-behavioural-and-electrophysiological-responses-to-reward
#3
Kasper Eskelund, Karen-Inge Karstoft, Soren B Andersen
Background : Anhedonia is a common symptom following exposure to traumatic stress and a feature of the PTSD diagnosis. In depression research, anhedonia has been linked to deficits in reward functioning, reflected in behavioural and neural responses. Such deficits following exposure to trauma, however, are not well understood. Objective : The current study aims to estimate the associations between anhedonia, PTSD symptom-clusters and behavioural and electrophysiological responses to reward. Methods : Participants ( N = 61) were recruited among Danish treatment-seeking veterans at the Department of Military Psychology in the Danish Defence...
2018: European Journal of Psychotraumatology
https://www.readbyqxmd.com/read/29670553/empathy-modulates-the-evaluation-processing-of-altruistic-outcomes
#4
Xin Liu, Xinmu Hu, Kan Shi, Xiaoqin Mai
Empathy plays a central role in social decisions involving psychological conflict, such as whether to help another person at the cost of one's own interests. Using the event-related potential (ERP) technique, the current study explored the neural mechanisms underlying the empathic effect on the evaluation processing of outcomes in conflict-of-interest situations, in which the gain of others resulted in the performer's loss. In the high-empathy condition, the beneficiaries were underprivileged students who were living in distress (stranger in need)...
2018: Frontiers in Psychology
https://www.readbyqxmd.com/read/29663423/linking-internal-and-external-signals-for-performance-monitoring-an-event-related-potential-study
#5
Christian Valt, Mona Katharina Sprengeler, Birgit Stürmer
The present study explored the relevance of internal signals for the dynamics of personal and nonpersonal feedback processing. To this end, pairs of participants performed concurrently a choice-response task and received external signals in four feedback contexts. In two contexts, feedback was informative about the personal performance (personal/private and personal/public); in the other two contexts, instructions suggested that feedback was informative about the other participant's performance (nonpersonal/other) or that it was random (nonpersonal/random)...
April 16, 2018: Psychophysiology
https://www.readbyqxmd.com/read/29615858/electrophysiological-responses-to-expectancy-violations-in-semantic-and-gambling-tasks-a-comparison-of-different-eeg-reference-approaches
#6
Ya Li, Yongchun Wang, Baoqiang Zhang, Yonghui Wang, Xiaolin Zhou
Dynamically evaluating the outcomes of our actions and thoughts is a fundamental cognitive ability. Given its excellent temporal resolution, the event-related potential (ERP) technology has been used to address this issue. The feedback-related negativity (FRN) component of ERPs has been studied intensively with the averaged linked mastoid reference method (LM). However, it is unknown whether FRN can be induced by an expectancy violation in an antonym relations context and whether LM is the most suitable reference approach...
2018: Frontiers in Neuroscience
https://www.readbyqxmd.com/read/29567108/alternative-outcomes-create-biased-expectations-regarding-the-received-outcome-evidence-from-event-related-potentials
#7
Déborah Marciano, Shlomo Bentin, Leon Y Deouell
After choosing between uncertain options, one might get feedback on both the outcome of the chosen option and the outcome of the unchosen option (the alternative). Behavioral research has shown that in such cases people engage in outcome comparison, and that the alternative outcome influences the way one evaluates his own received outcome. Moreover, this influence differs whether one was responsible or not for the choice made. In two studies, we looked for the electrophysiological correlates of outcome comparison...
March 19, 2018: Neuropsychologia
https://www.readbyqxmd.com/read/29527481/behavioral-and-eeg-responses-to-social-evaluation-a-two-generation-family-study-on-social-anxiety
#8
Anita Harrewijn, Melle J W van der Molen, Irene M van Vliet, Renaud L M Tissier, P Michiel Westenberg
Social anxiety disorder is an invalidating psychiatric disorder characterized by extreme fear and avoidance of one or more social situations in which patients might experience scrutiny by others. The goal of this two-generation family study was to delineate behavioral and electrocortical endophenotypes of social anxiety disorder related to social evaluation. Nine families of patients with social anxiety disorder (their spouse and children, and siblings of these patients with spouse and children) performed a social judgment paradigm in which they believed to be evaluated by peers...
2018: NeuroImage: Clinical
https://www.readbyqxmd.com/read/29507298/brain-specific-functional-relationship-networks-inform-autism-spectrum-disorder-gene-prediction
#9
Marlena Duda, Hongjiu Zhang, Hong-Dong Li, Dennis P Wall, Margit Burmeister, Yuanfang Guan
Autism spectrum disorder (ASD) is a neuropsychiatric disorder with strong evidence of genetic contribution, and increased research efforts have resulted in an ever-growing list of ASD candidate genes. However, only a fraction of the hundreds of nominated ASD-related genes have identified de novo or transmitted loss of function (LOF) mutations that can be directly attributed to the disorder. For this reason, a means of prioritizing candidate genes for ASD would help filter out false-positive results and allow researchers to focus on genes that are more likely to be causative...
March 6, 2018: Translational Psychiatry
https://www.readbyqxmd.com/read/29501790/social-value-orientation-modulates-context-based-social-comparison-preference-in-the-outcome-evaluation-an-erp-study
#10
Yanyan Qi, Haiyan Wu, Syeda Raiha, Xun Liu
Social value orientation (SVO) is a personality trait that is closely associated with social comparison preference. However, little is known about how the different types of SVO (i.e., proself vs. prosocial) modulate the behaviour and neural underpinnings of its interaction with social context. In the present study, we examined electrophysiological correlates captured when individuals with different SVOs engaged in a gambling game with two other players (a socially disliking player, person A, vs. a socially liking player, person B)...
April 2018: Neuropsychologia
https://www.readbyqxmd.com/read/29496610/integration-of-reward-with-cost-anticipation-during-performance-monitoring-revealed-by-erps-and-eeg-spectral-perturbations
#11
Davide Gheza, Rudi De Raedt, Chris Baeken, Gilles Pourtois
Effort expenditure has an aversive connotation and it can lower hedonic feelings. In this study, we explored the electrophysiological correlates of the complex interplay of reward processing with cost anticipation. To this aim, healthy adult participants performed a gambling task where the outcome (monetary reward vs. no-reward) and its expectancy were manipulated on a trial by trial basis while 64-channel EEG was recorded. Crucially, on some trials, the no-reward outcome could be transformed to a rewarding one, pending effort expenditure by means of an orthogonal dot clicking task, enabling us to compare at the electrophysiological level reward processing when cost was anticipated or not...
June 2018: NeuroImage
https://www.readbyqxmd.com/read/29487303/differential-effects-of-real-versus-hypothetical-monetary-reward-magnitude-on-risk-taking-behavior-and-brain-activity
#12
Sihua Xu, Yu Pan, Zhe Qu, Zhuo Fang, Zijing Yang, Fan Yang, Fenghua Wang, Hengyi Rao
Human decisions are more easily affected by a larger amount of money than a smaller one. Although numerous studies have used hypothetical money as incentives to motivate human behavior, the validity of hypothetical versus real monetary rewards remains controversial. In the present study, we used event-related potential (ERP) with the balloon analogue risk task to investigate how magnitudes of real and hypothetical monetary rewards modulate risk-taking behavior and feedback-related negativity (FRN). Behavioral data showed that participants were more risk averse after negative feedback with increased magnitude of real monetary rewards, while no behavior differences were observed between large and small hypothetical monetary rewards...
February 27, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29481828/dissociating-absolute-and-relative-reward-and-punishment-related-electrocortical-processing-an-event-related-potential-study
#13
Miles Wischnewski, Dennis J L G Schutter
The meaning of reward and punishment signals depends on context. Receiving a small reward where a larger reward could have been obtained can be considered a punishment, while a small loss in the context of avoiding a larger loss can be experienced as a reward. The aim of this study was to investigate the electrophysiological processes associated with absolute and relative reward and punishment signals. Twenty healthy right-handed volunteers performed a decision-making task and were instructed to judge which of two neutral objects was the most expensive...
April 2018: International Journal of Psychophysiology
https://www.readbyqxmd.com/read/29472850/slow-is-also-fast-feedback-delay-affects-anxiety-and-outcome-evaluation
#14
Xukai Zhang, Yi Lei, Hang Yin, Peng Li, Hong Li
Performance-related feedback plays an important role in improving human being's adaptive behavior. Using event-related potentials (ERPs), previous studies have associated a particular component, i.e., reward positivity (RewP), with outcome evaluation processing and found that this component was affected by waiting time before outcome evaluation. Prior research has also suggested that anxious individuals are more prone to detecting threats and susceptible to negative emotions, and show different patterns of brain activity in outcome evaluation...
2018: Frontiers in Human Neuroscience
https://www.readbyqxmd.com/read/29464554/the-influence-of-self-construals-on-the-erp-response-to-the-rewards-for-self-and-mother
#15
Xiangru Zhu, Huijun Zhang, Lili Wu, Suyong Yang, Haiyan Wu, Wenbo Luo, Ruolei Gu, Yue-Jia Luo
Individual self-construal (independent vs. interdependent) could be temporarily modulated by the priming effect. Our previous studies have found that when Chinese participants gambled for mother and for self, outcome feedback evoked comparable neural responses between two conditions. However, it remains unclear if the response to rewards for mother and for self would differ after independence self-construal priming. In this study, we manipulated participants' self-construal (independent vs. interdependent) before a simple gambling task...
April 2018: Cognitive, Affective & Behavioral Neuroscience
https://www.readbyqxmd.com/read/29461102/feedback-processing-in-adolescents-with-prenatal-cocaine-exposure-an-electrophysiological-investigation
#16
Kristen P Morie, Jia Wu, Nicole Landi, Marc N Potenza, Linda C Mayes, Michael J Crowley
Impaired cognitive control is a consequence of cocaine exposure. Difficulty with feedback processing may underlie this impairment. We examined neural correlates of feedback processing using event-related potentials (ERPs) in 49 prenatally cocaine-exposed (PCE) and 34 nondrug exposed (NDE) adolescents. Adolescents performed a reward-feedback task with win/no-win feedback in a chance-based task. We investigated amplitude and latency of the feedback-related negativity (FRN) and P300 ERP components and source-based estimates elicited during feedback processing...
2018: Developmental Neuropsychology
https://www.readbyqxmd.com/read/29459841/electrophysiological-response-to-the-informative-value-of-feedback-revealed-in-a-segmented-wisconsin-card-sorting-test
#17
Fuhong Li, Jing Wang, Bin Du, Bihua Cao
Feedback has two main components. One is valence that indicates the wrong or correct behavior, and the other is the informative value that refers to what we can learn from feedback. Aimed to explore the neural distinction of these two components, we provided participants with a segmented Wisconsin Card Sorting Task, in which they received either positive or negative feedback at different steps. The informative value was manipulated in terms of the order of feedback presentation. The results of event-related potentials time-locked to the feedback presentation confirmed that valence of feedback was processed in a broad epoch, especially in the time window of feedback-related negativity (FRN), reflecting detection of correct or wrong card sorting behavior...
2018: Frontiers in Psychology
https://www.readbyqxmd.com/read/29454641/beyond-the-frn-broadening-the-time-course-of-eeg-and-erp-components-implicated-in-reward-processing
#18
REVIEW
James E Glazer, Nicholas J Kelley, Narun Pornpattananangkul, Vijay A Mittal, Robin Nusslock
Most reward-related electroencephalogram (EEG) studies focus exclusively on the feedback-related negativity (FRN, also known as feedback negativity or FN, medial-frontal negativity or MFN, feedback error-related negativity or fERN, and reward positivity or RewP). This component is usually measured approximately 200-300 ms post-feedback at a single electrode in the frontal-central area (e.g., Fz or FCz). The present review argues that this singular focus on the FRN fails to leverage EEG's greatest strength, its temporal resolution, by underutilizing the rich variety of event-related potential (ERP) and EEG time-frequency components encompassing the wider temporal heterogeneity of reward processing...
February 15, 2018: International Journal of Psychophysiology
https://www.readbyqxmd.com/read/29442284/sex-differences-in-the-neural-underpinnings-of-social-and-monetary-incentive-processing-during-adolescence
#19
Ellen Greimel, Sarolta Bakos, Iris Landes, Thomas Töllner, Jürgen Bartling, Gregor Kohls, Gerd Schulte-Körne
The brain's reward system undergoes major changes during adolescence, and an increased reactivity to social and nonsocial incentives has been described as a typical feature during this transitional period. Little is known whether there are sex differences in the brain's responsiveness to social or monetary incentives during adolescence. The aim of this event-related potential (ERP) study was to compare the neurophysiological underpinnings of monetary and social incentive processing in adolescent boys versus girls...
April 2018: Cognitive, Affective & Behavioral Neuroscience
https://www.readbyqxmd.com/read/29407466/age-differences-in-neural-correlates-of-feedback-processing-after-economic-decisions-under-risk
#20
Carina Fernandes, Rita Pasion, Ana R Gonçalves, Fernando Ferreira-Santos, Fernando Barbosa, Isabel P Martins, João Marques-Teixeira
This study examines age-related differences in behavioral responses to risk and in the neurophysiological correlates of feedback processing. Our sample was composed of younger, middle-aged, and older adults, who were asked to decide between 2 risky options, in the gain and loss domains, during an EEG recording. Results evidenced group-related differences in early and later stages of feedback processing, indexed by differences in the feedback-related negativity (FRN) and P3 amplitudes. Specifically, in the loss domain, younger adults showed higher FRN amplitudes after non-losses than after losses, whereas middle-aged and older adults had similar FRN amplitudes after both...
May 2018: Neurobiology of Aging
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