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Emotion erp

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https://www.readbyqxmd.com/read/28725202/emotional-picture-perception-repetition-effects-in-free-viewing-and-during-an-explicit-categorization-task
#1
Serena Mastria, Vera Ferrari, Maurizio Codispoti
Several studies have found that, despite a decrease in the overall amplitude of the late positive potential (LPP) with repeated presentation of the same picture, emotional stimuli continue to elicit a larger LPP than neutral ones. These findings seem to support the hypothesis that the affective modulation of the LPP reflects a mandatory process and does not rely on stimulus novelty. However, in these studies participants were asked to merely look at the pictures, without carrying out any additional task (free-viewing), making picture emotionality the most salient aspect of the stimulus, despite its repetition...
2017: Frontiers in Psychology
https://www.readbyqxmd.com/read/28716674/pleasant-and-unpleasant-odour-face-combinations-influence-face-and-odour-perception-an-event-related-potential-study
#2
Stephanie Cook, Katerina Kokmotou, Vicente Soto, Nicholas Fallon, John Tyson-Carr, Anna Thomas, Timo Giesbrecht, Matt Field, Andrej Stancak
Odours alter evaluations of concurrent visual stimuli. However, neural mechanisms underlying the effects of congruent and incongruent odours on facial expression perception are not clear. Moreover, the influence of emotional faces on odour perception is not established. We investigated the effects of one pleasant and one unpleasant odour paired with happy and disgusted faces, on subjective ratings and ERP responses to faces. Participants rated the pleasantness of happy and disgusted faces that appeared during 3second pleasant or unpleasant odour pulses, or without odour...
July 14, 2017: Behavioural Brain Research
https://www.readbyqxmd.com/read/28716612/impulsive-personality-dimensions-are-associated-with-altered-behavioral-performance-and-neural-responses-in-the-monetary-incentive-delay-task
#3
Ruolei Gu, Yang Jiang, Seth Kiser, Chelsea L Black, Lucas S Broster, Yue-Jia Luo, Thomas H Kelly
Individual differences in dimensions of impulsivity personality including disinhibition and sensation seeking modulate approach responses to reinforcing stimuli, such as drugs and money. The current study examined the effects of monetary incentive on both behavioral performance and electrophysiological activity among individuals varying in disinhibition and sensation seeking. The monetary incentive delay (MID) task was completed under electroencephalogram (EEG) recording. Behavioral data showed that higher disinhibition and sensation-seeking were associated with lower performance accuracy...
July 14, 2017: Neuropsychologia
https://www.readbyqxmd.com/read/28715850/how-willing-are-you-willingness-as-a-predictor-of-change-during-treatment-of-adults-with-obsessive-compulsive-disorder
#4
Adam M Reid, Lauryn E Garner, Nathaniel Van Kirk, Christina Gironda, Jason W Krompinger, Brian P Brennan, Brittany M Mathes, Sadie Cole Monaghan, Eric D Tifft, Marie-Christine André, Jordan Cattie, Jesse M Crosby, Jason A Elias
OBJECTIVE: Exposure and response prevention (ERP) is an effective treatment for individuals with obsessive-compulsive disorder (OCD), yet a substantial number of individuals with OCD do not fully respond to this intervention. Based on emerging experimental and clinical research on acceptance, this study sought to explore whether willingness to experience unpleasant thoughts, emotions, and bodily sensations during ERP was associated with improved treatment response. METHODS: Two hundred eighty-eight adults with OCD receiving residential ERP provided self-rated willingness and other exposure-related variables during each daily coached ERP session...
July 17, 2017: Depression and Anxiety
https://www.readbyqxmd.com/read/28713312/neural-temporal-dynamics-of-facial-emotion-processing-age-effects-and-relationship-to-cognitive-function
#5
Xiaoyan Liao, Kui Wang, Kai Lin, Raymond C K Chan, Xiaoyuan Zhang
This study used event-related potentials (ERPs) to investigate the effects of age on neural temporal dynamics of processing task-relevant facial expressions and their relationship to cognitive functions. Negative (sad, afraid, angry, and disgusted), positive (happy), and neutral faces were presented to 30 older and 31 young participants who performed a facial emotion categorization task. Behavioral and ERP indices of facial emotion processing were analyzed. An enhanced N170 for negative faces, in addition to intact right-hemispheric N170 for positive faces, was observed in older adults relative to their younger counterparts...
2017: Frontiers in Psychology
https://www.readbyqxmd.com/read/28699142/bringing-color-to-emotion-the-influence-of-color-on-attentional-bias-to-briefly-presented-emotional-images
#6
Valeria Bekhtereva, Matthias M Müller
Is color a critical feature in emotional content extraction and involuntary attentional orienting toward affective stimuli? Here we used briefly presented emotional distractors to investigate the extent to which color information can influence the time course of attentional bias in early visual cortex. While participants performed a demanding visual foreground task, complex unpleasant and neutral background images were displayed in color or grayscale format for a short period of 133 ms and were immediately masked...
July 11, 2017: Cognitive, Affective & Behavioral Neuroscience
https://www.readbyqxmd.com/read/28691849/electrophysiological-evidence-for-detrimental-impact-of-a-reappraisal-emotion-regulation-strategy-on-subsequent-cognitive-control-in-schizophrenia
#7
Sara K Sullivan, Gregory P Strauss
In healthy individuals, there is evidence that effective implementation of an emotion regulation strategy has beneficial effects on temporally proximal cognitive control task performance. This effect occurs because both of these processes rely heavily on the prefrontal cortex. Individuals with schizophrenia (SZ) have impairments in both emotion regulation and cognitive control that are driven by structural and functional abnormalities of the prefrontal cortex; however, it is unknown whether emotion regulation attempts fail to benefit subsequently performed cognitive control tasks in people with SZ...
July 2017: Journal of Abnormal Psychology
https://www.readbyqxmd.com/read/28690578/unconscious-processing-of-facial-expressions-in-individuals-with-internet-gaming-disorder
#8
Xiaozhe Peng, Fang Cui, Ting Wang, Can Jiao
Internet Gaming Disorder (IGD) is characterized by impairments in social communication and the avoidance of social contact. Facial expression processing is the basis of social communication. However, few studies have investigated how individuals with IGD process facial expressions, and whether they have deficits in emotional facial processing remains unclear. The aim of the present study was to explore these two issues by investigating the time course of emotional facial processing in individuals with IGD. A backward masking task was used to investigate the differences between individuals with IGD and normal controls (NC) in the processing of subliminally presented facial expressions (sad, happy, and neutral) with event-related potentials (ERPs)...
2017: Frontiers in Psychology
https://www.readbyqxmd.com/read/28683069/emotional-cue-validity-effects-the-role-of-neurocognitive-responses-to-emotion
#9
Samantha Denefrio, Akeesha Simmons, Amishi Jha, Tracy A Dennis-Tiwary
The beneficial effect of valid compared to invalid cues on attention performance is a basic attentional mechanism, but the impact of emotional content on cue validity is poorly understood. We tested whether the effect of cue validity on attention performance differed when cues were angry, happy, or neutral faces. Moreover, we used scalp-recorded event-related potentials (ERPs) reflecting the capture of early visual attention (P1, N170) to test whether effects were strengthened when neurocognitive responses to angry or happy cues were enhanced (larger P1 and N170 amplitudes)...
2017: PloS One
https://www.readbyqxmd.com/read/28680388/emotional-intensity-modulates-the-integration-of-bimodal-angry-expressions-erp-evidence
#10
Zhihui Pan, Xi Liu, Yangmei Luo, Xuhai Chen
Integration of information from face and voice plays a central role in social interactions. The present study investigated the modulation of emotional intensity on the integration of facial-vocal emotional cues by recording EEG for participants while they were performing emotion identification task on facial, vocal, and bimodal angry expressions varying in emotional intensity. Behavioral results showed the rates of anger and reaction speed increased as emotional intensity across modalities. Critically, the P2 amplitudes were larger for bimodal expressions than for the sum of facial and vocal expressions for low emotional intensity stimuli, but not for middle and high emotional intensity stimuli...
2017: Frontiers in Neuroscience
https://www.readbyqxmd.com/read/28676777/inhibition-of-return-is-modulated-by-negative-stimuli-evidence-from-subliminal-perception
#11
Fada Pan, Xiaogang Wu, Li Zhang, Yuhong Ou
Inhibition of return (IOR) is considered as a "blindness mechanism" that emotional stimuli have no impact on it. Most previous studies suggested that IOR was not modulated by emotional cues. However, one key question they ignored was that only supraliminal presentation of emotional stimuli was used in their experiments. The present experiment is aimed at exploring the possible interaction between the IOR effect and subliminal emotional process. We manipulated three different kinds of valence strength of negative stimuli (high negative, HN; moderate negative, MN; low negative, LN) which were presented under the subliminal perception level and an event-related potentials (ERPs) recording was adopted...
2017: Frontiers in Psychology
https://www.readbyqxmd.com/read/28674404/third-person-self-talk-facilitates-emotion-regulation-without-engaging-cognitive-control-converging-evidence-from-erp-and-fmri
#12
Jason S Moser, Adrienne Dougherty, Whitney I Mattson, Benjamin Katz, Tim P Moran, Darwin Guevarra, Holly Shablack, Ozlem Ayduk, John Jonides, Marc G Berman, Ethan Kross
Does silently talking to yourself in the third-person constitute a relatively effortless form of self control? We hypothesized that it does under the premise that third-person self-talk leads people to think about the self similar to how they think about others, which provides them with the psychological distance needed to facilitate self control. We tested this prediction by asking participants to reflect on feelings elicited by viewing aversive images (Study 1) and recalling negative autobiographical memories (Study 2) using either "I" or their name while measuring neural activity via ERPs (Study 1) and fMRI (Study 2)...
July 3, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28667705/effects-of-prior-mental-effort-on-picture-processing-an-erp-investigation
#13
Katie E Garrison, Adrienne L Crowell, Anna J Finley, Brandon J Schmeichel
The current study examined the aftereffects of mental effort on the processing of picture stimuli using neural measures. Ninety-seven healthy young adults were randomly assigned to exercise more versus less mental effort on a writing task. Then participants viewed positive, negative, and neutral affective images while P1, N1, P2, N2, P3, and late positive potential (LPP) magnitudes to the images were assessed. We found that performing the more (versus less) effortful writing task caused more negative N2 amplitudes to all images...
July 1, 2017: Psychophysiology
https://www.readbyqxmd.com/read/28661580/a-review-of-endophenotypes-in-schizophrenia-and-autism-the-next-phase-for-understanding-genetic-etiologies
#14
Lisabeth F DiLalla, Megan McCrary, Emma Diaz
Many psychiatric disorders are caused by multiple genes and multiple environmental factors, making the identification of specific genetic risk factors for these disorders difficult. Endophenotypes are behaviors or characteristics that are intermediate between the genotype and a phenotype of interest. Because they are more directly related to the gene action than is the endpoint disorder, they may be useful in the identification of specific genes related to psychiatric disorders and the classification of disorders or traits that share an underlying genetic etiology...
June 29, 2017: American Journal of Medical Genetics. Part C, Seminars in Medical Genetics
https://www.readbyqxmd.com/read/28647439/testing-the-effects-of-expression-intensity-and-age-on-emotional-face-processing-in-asd
#15
Rhiannon J Luyster, Johanna Bick, Alissa Westerlund, Charles A Nelson
Individuals with autism spectrum disorder (ASD) commonly show global deficits in the processing of facial emotion, including impairments in emotion recognition and slowed processing of emotional faces. Growing evidence has suggested that these challenges may increase with age, perhaps due to minimal improvement with age in individuals with ASD. In the present study, we explored the role of age, emotion type and emotion intensity in face processing for individuals with and without ASD. Twelve- and 18 to 22- year-old children with and without ASD participated...
June 21, 2017: Neuropsychologia
https://www.readbyqxmd.com/read/28633887/visual-integration-of-fear-and-anger-emotional-cues-by-children-on-the-autism-spectrum-and-neurotypical-peers-an-eeg-study
#16
Evie Malaia, Debbie Cockerham, Katherine Rublein
Communication deficits in children with autism spectrum disorders (ASD) are often related to inefficient interpretation of emotional cues, which are conveyed visually through both facial expressions and body language (Apicella et al., 2012). The present study examined ASD behavioral and ERP responses to emotional expressions of anger and fear, as conveyed by the face and body. Behavioral results showed significantly faster response times for the ASD than for the typically developing (TD) group when processing fear, but not anger, in isolated face expressions, isolated body expressions, and in the integration of the two...
June 17, 2017: Neuropsychologia
https://www.readbyqxmd.com/read/28625893/investigation-of-the-influence-of-emotions-on-working-memory-capacity-using-erp-and-ersp
#17
Yuanyuan Zhang, Gaoyan Zhang, Baolin Liu
Recent studies have reported that there are individual differences in working memory (WM), and that WM may be affected by emotions. To date, it remains controversial whether emotions impair or facilitate WM and whether there are individual differences in their effect on WM. In this study, three emotions (negative, neutral, and positive) were induced by a video database that was established according to the emotional stimuli habit of Chinese people. A change detection paradigm was used to examine the effect of emotions on the visual WM...
June 16, 2017: Neuroscience
https://www.readbyqxmd.com/read/28620278/revealing-the-dysfunction-of-schematic-facial-expression-processing-in-schizophrenia-a-comparative-study-of-different-references
#18
Shenglin She, Haijing Li, Yuping Ning, Jianjuan Ren, Zhangying Wu, Rongcheng Huang, Jingping Zhao, Qian Wang, Yingjun Zheng
The use of event-related potential (ERP) recording technology during perceptual and cognitive processing has been studied in order to develop objective diagnostic indexes for people with neuropsychiatric disorders. For example, patients with schizophrenia exhibit consistent abnormalities in face-evoked early components of ERPs and mismatch negativities (MMNs). In most studies, the choice of reference has been the average reference (AVE), but whether this is the most suitable choice is still unknown. The aim of this study was to systematically compare the AVE and reference electrode standardization technique (REST) methods for assessing expressional face-evoked early visual ERPs and visual MMNs (vMMNs) in patients with schizophrenia and healthy controls...
2017: Frontiers in Neuroscience
https://www.readbyqxmd.com/read/28611717/n450-and-lpc-event-related-potential-correlates-of-an-emotional-stroop-task-with-words-differing-in-valence-and-emotional-origin
#19
Kamil K Imbir, Tomasz Spustek, Joanna Duda, Gabriela Bernatowicz, Jarosław Żygierewicz
Affective meaning of verbal stimuli was found to influence cognitive control as expressed in the Emotional Stroop Task (EST). Behavioral studies have shown that factors such as valence, arousal, and emotional origin of reaction to stimuli associated with words can lead to lengthening of reaction latencies in EST. Moreover, electrophysiological studies have revealed that affective meaning altered amplitude of some components of evoked potentials recorded during EST, and that this alteration correlated with the performance in EST...
2017: Frontiers in Psychology
https://www.readbyqxmd.com/read/28603506/the-time-course-of-sentence-meaning-composition-n400-effects-of-the-interaction-between-context-induced-and-lexically-stored-affordances
#20
Erica Cosentino, Giosuè Baggio, Jarmo Kontinen, Markus Werning
Contemporary semantic theories can be classified along two dimensions: (i) the way and time-course in which contextual factors influence sentence truth-conditions; and (ii) whether and to what extent comprehension involves sensory, motor and emotional processes. In order to explore this theoretical space, our ERP study investigates the time-course of the interaction between the lexically specified telic component of a noun (the function of the object to which the noun refers to, e.g., a funnel is generally used to pour liquids into containers) and an ad-hoc affordance contextually induced by the situation described in the discourse...
2017: Frontiers in Psychology
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