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Emotion erp

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https://www.readbyqxmd.com/read/28811112/exogenous-testosterone-affects-early-threat-processing-in-socially-anxious-and-healthy-women
#1
Jacobien M van Peer, Dorien Enter, Henk van Steenbergen, Philip Spinhoven, Karin Roelofs
Testosterone plays an important role in social threat processing. Recent evidence suggests that testosterone administration has socially anxiolytic effects, but it remains unknown whether this involves early vigilance or later, more sustained, processing-stages. We investigated the acute effects of testosterone administration on social threat processing in 19 female patients with Social Anxiety Disorder (SAD) and 19 healthy controls. Event-related potentials (ERPs) were recorded during an emotional Stroop task with subliminally presented faces...
August 12, 2017: Biological Psychology
https://www.readbyqxmd.com/read/28808233/the-influence-of-affective-state-on-exogenous-attention-to-emotional-distractors-behavioral-and-electrophysiological-correlates
#2
Alejandra Carboni, Dominique Kessel, Almudena Capilla, Luis Carretié
The interplay between exogenous attention to emotional distractors and the baseline affective state has not been well established yet. The present study aimed to explore this issue through behavioral measures and event-related potentials (ERPs). Participants (N = 30) completed a digit categorization task depicted over negative, positive or neutral distractor background pictures, while they experienced negative, positive and neutral affective states elicited by movie scenes. Behavioral results showed higher error rates and longer reaction times for negative distractors than for neutral and positive ones, irrespective of the current emotional state...
August 14, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28803782/emotion-regulation-in-adolescents-an-erp-study
#3
Alex Desatnik, Tarik Bel-Bahar, Tobias Nolte, Michael Crowley, Peter Fonagy, Pasco Fearon
AIMS: The use of emotion regulation strategies can reduce the intensity of negative emotional experiences. Event related potentials (ERPs), specifically the late positive potential (LPP), are known to be sensitive to this modulation in adults. This is the first study to explore the neural correlates of expressive suppression in adolescents. We sought to replicate previous findings from emotion regulation studies with adult populations, show that the LPP can be modulated by expressive suppression in healthy adolescents, and examine the influence of age on LPP changes...
August 10, 2017: Biological Psychology
https://www.readbyqxmd.com/read/28797904/influence-of-inhibitory-tagging-it-on-emotional-and-cognitive-conflict-processing-evidence-from-event-related-potentials
#4
Xudong Zhao, Xiujun Li, Wendian Shi
Inhibitory tagging (IT), a flexible central control mechanism based on the current task goals, reduces the cognitive conflict effect at the cued location by blocking the incompatible stimulus-response (S-R) code. However, it is unknown whether IT has a similar effect on emotional conflict. Thus, we combined the face-word Stroop task with the manipulation of inhibition of return (IOR) and used event-related potential (ERP) technology to simultaneously examine the modulation effect of IT on emotional and cognitive conflict processing...
August 7, 2017: Neuroscience Letters
https://www.readbyqxmd.com/read/28792615/emotion-processing-in-female-youth-testing-the-stability-of-the-late-positive-potential
#5
Erin Bondy, Jeremy G Stewart, Greg Hajcak, Anna Weinberg, Naomi Tarlow, Vijay A Mittal, Randy P Auerbach
The Emotional Interrupt Task (EIT) has been used to probe emotion processing in healthy and clinical samples; however, research exploring the stability and reliability of behavioral measures and ERPs elicited from this task is limited. Establishing the psychometric properties of the EIT is critical, particularly as phenotypes and biological indicators may represent traitlike characteristics that underlie psychiatric illness. To address this gap, test-retest stability and internal consistency of behavioral indices and ERPs resulting from the EIT in healthy, female youth (n = 28) were examined...
August 9, 2017: Psychophysiology
https://www.readbyqxmd.com/read/28789932/the-effects-of-anandamide-and-oleamide-on-cognition-depend-on-diurnal-variations
#6
Pavel E Rueda-Orozco, Corinne J Montes-Rodriguez Cj, Alejandra E Ruiz-Contreras, Monica Mendez-Diaz, Oscar Prospero-Garcia
Cannabinergic receptor 1 (CB1r) is highly expressed in almost the entire brain; hence, its activation affects diverse functions, including cognitive processes such as learning and memory. On the other hand, it has been demonstrated that CB1r expression fluctuates along the light-dark cycle. In this context, the objective of this work was to characterize the cannabinergic influence over cognitive processes and its relationship with the light-dark cycle. To this aim we studied the effects of two endogenous cannabinoids, anandamide (AEA) and oleamide (ODA), on the consolidation of memory and event-related potentials (ERPs) depending on the light-dark cycle...
August 5, 2017: Brain Research
https://www.readbyqxmd.com/read/28770370/exploring-deficient-emotion-regulation-in-adult-adhd-electrophysiological-evidence
#7
Anna Shushakova, Patricia Ohrmann, Anya Pedersen
Emotional dysregulation (ED) is being increasingly recognized as a core feature of attention-deficit/hyperactivity disorder (ADHD), but the pathophysiological underpinnings remain unclear. In this study, we provide meaningful electrophysiological evidence of ED in adult patients with ADHD (n = 39) compared to healthy controls (n = 40) by exploring the electrophysiological correlates of the emotion regulation strategies reappraisal, distraction, and expressive suppression. Event-related potentials (ERPs) were recorded during passive viewing of neutral and negative images, as well as during emotion regulation...
August 2, 2017: European Archives of Psychiatry and Clinical Neuroscience
https://www.readbyqxmd.com/read/28758287/electrophysiological-correlates-of-the-drift-diffusion-model-in-visual-word-recognition
#8
Christina J Mueller, Corey N White, Lars Kuchinke
This study was designed to explore the electrophysiological correlates of the diffusion models drift rate parameter in cognitive decision making. Eighty-two participants completed a lexical decision task while their stimulus-dependent event-related potentials (ERP) and theta frequency band power were measured. A mass univariate approach was applied to examine the timeline at which correlations were evident. Individual differences in drift rate parameter and condition-wise within-subject differences in drift rates for word emotionality and item repetition were found to be related to amplitude differences in the late positive complex (LPC)...
July 31, 2017: Human Brain Mapping
https://www.readbyqxmd.com/read/28754276/physiological-correlates-of-emotional-reactivity-and-regulation-in-early-adolescents
#9
Melissa D Latham, Nina Cook, Julian G Simmons, Michelle L Byrne, Jonathan W L Kettle, Orli Schwartz, Nandita Vijayakumar, Sarah Whittle, Nicholas B Allen
Few studies have examined physiological correlates of emotional reactivity and regulation in adolescents, despite the occurrence in this group of significant developmental changes in emotional functioning. The current study employed multiple physiological measures (i.e., startle-elicited eyeblink and ERP, skin conductance, facial EMG) to assess the emotional reactivity and regulation of 113 early adolescents in response to valenced images. Reactivity was measured while participants viewed images, and regulation was measured when they were asked to discontinue or maintain their emotional reactions to the images...
July 25, 2017: Biological Psychology
https://www.readbyqxmd.com/read/28753449/attentional-avoidance-of-threats-in-obsessive-compulsive-disorder-an-event-related-potential-study
#10
Zhong-Ming Zhang, Meng-Yun Wang, Xiaowei Guo, Xiaocui Miao, Ting Zhang, Dong Gao, Zhen Yuan
The neural mechanism underlying attentional bias in OCD (Obsessive-Compulsive Disorder) remains unclear. The goal of this study was to examine and compare the time course and the event related potential (ERP) components in OCD patients and healthy controls (HC) to reveal the complex brain activation pattern associated with attentional bias in OCD. The behavioural and electroencephalogram (EEG) data were recorded while the participants performed an emotional Stroop task. Compared to HC, the individuals with OCD exhibited slower response time, prolonged N1 latency and larger N1 and P2 amplitudes across different emotional words...
July 20, 2017: Behaviour Research and Therapy
https://www.readbyqxmd.com/read/28744191/event-related-potentials-in-a-cued-go-nogo-task-associated-with-executive-functions-in-adolescents-with-autism-spectrum-disorder-a-case-control-study
#11
Anne L Høyland, Geir Øgrim, Stian Lydersen, Sigrun Hope, Morten Engstrøm, Tonje Torske, Terje Nærland, Ole A Andreassen
Executive functions are often affected in autism spectrum disorders (ASD). The underlying biology is however not well known. In the DSM-5, ASD is characterized by difficulties in two domains: Social Interaction and Repetitive and Restricted Behavior, RRB. Insistence of Sameness is part of RRB and has been reported related to executive functions. We aimed to identify differences between ASD and typically developing (TD) adolescents in Event Related Potentials (ERPs) associated with response preparation, conflict monitoring and response inhibition using a cued Go-NoGo paradigm...
2017: Frontiers in Neuroscience
https://www.readbyqxmd.com/read/28738063/atypical-speech-versus-non-speech-detection-and-discrimination-in-4-to-6-yr-old-children-with-autism-spectrum-disorder-an-erp-study
#12
Alena Galilee, Chrysi Stefanidou, Joseph P McCleery
Previous event-related potential (ERP) research utilizing oddball stimulus paradigms suggests diminished processing of speech versus non-speech sounds in children with an Autism Spectrum Disorder (ASD). However, brain mechanisms underlying these speech processing abnormalities, and to what extent they are related to poor language abilities in this population remain unknown. In the current study, we utilized a novel paired repetition paradigm in order to investigate ERP responses associated with the detection and discrimination of speech and non-speech sounds in 4- to 6-year old children with ASD, compared with gender and verbal age matched controls...
2017: PloS One
https://www.readbyqxmd.com/read/28725202/emotional-picture-perception-repetition-effects-in-free-viewing-and-during-an-explicit-categorization-task
#13
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
#14
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 3s 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
#15
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 15, 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
#16
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
#17
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
#18
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
#19
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
#20
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
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