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Disgust and anxiety

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https://www.readbyqxmd.com/read/28432314/the-effect-of-acute-social-stress-on-the-recognition-of-facial-expression-of-emotions
#1
Camille Daudelin-Peltier, Hélène Forget, Caroline Blais, Andréa Deschênes, Daniel Fiset
This study investigates the effect of acute social stress on the recognition of facial expression of emotions in healthy young men. Participants underwent both a standardized psychosocial laboratory stressor (TSST-G) and a control condition. Then, they performed a homemade version of the facial expressions megamix. All six basic emotions were included in the task. First, our results show a systematic increase in the intensity threshold for disgust following stress, meaning that the participants' performance with this emotion was impaired...
April 21, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28429858/trauma-related-disgust-in-veterans-with-interpersonal-trauma
#2
Jessica Bomyea, Carolyn B Allard
Although traditionally conceptualized as an anxiety disorder, variability in posttraumatic stress disorder (PTSD) may be explained by individual differences in peri- or posttraumatic disgust. We examined relationships between disgust reactions and other trauma-related symptoms in 100 veterans with a history of interpersonal trauma and gender differences in these variables. We also evaluated the mediating role of posttraumatic disgust and guilt in the relationship between peritraumatic disgust and PTSD symptoms...
April 2017: Journal of Traumatic Stress
https://www.readbyqxmd.com/read/28423069/trypophobia-an-investigation-of-clinical-features
#3
Michelle Vlok-Barnard, Dan J Stein
Objective: Trypophobia refers to the fear of, or aversion to, clusters of holes. We assessed clinical features of trypophobia and investigated whether it most resembled a specific phobia or obsessive-compulsive disorder. Methods: An online survey was conducted to gather information on sociodemographic variables, course and duration, severity, associated features, comorbid psychiatric diagnoses, and levels of psychological distress and impairment in individuals with trypophobia...
April 13, 2017: Revista Brasileira de Psiquiatria
https://www.readbyqxmd.com/read/28392773/gender-differences-in-the-difficulty-in-disengaging-from-threat-among-children-and-adolescents-with-social-anxiety
#4
Peng Zhang, Wenjin Ni, Ruibo Xie, Jiahua Xu, Xiangping Liu
There is some research showing that social anxiety is related with attentional bias to threat. However, others fail to find this relationship and propose that gender differences may play a role. The aim of this study was to investigate the gender differences in the subcomponents of attentional bias to threat (hypervigilance and difficulty in disengaging) among children and adolescents with social anxiety. Overall, 181 youngsters aged between 10 and 14 participated in the current study. Images of disgusted faces were used as threat stimuli in an Exogenous Cueing Task was used to measure the subcomponents of attentional bias...
2017: Frontiers in Psychology
https://www.readbyqxmd.com/read/28391115/pavlovian-disgust-conditioning-as-a-model-for-contamination-based-ocd-evidence-from-an-analogue-study
#5
Thomas Armstrong, Bunmi O Olatunji
Pavlovian fear conditioning provides a model for anxiety-related disorders, including obsessive-compulsive disorder (OCD). However, disgust is the predominant emotional response to contamination, which is a common theme in OCD. The present study sought to identify disgust conditioning abnormalities that may underlie excessive contamination concerns relevant to OCD. Individuals high and low in contamination concern (HCC, n = 32; LCC, n = 30) completed an associative learning task in which one neutral face (conditioned stimulus; CS+) was followed by a disgusting image (unconditioned stimulus; US) and another neutral face (CS-) was unreinforced...
June 2017: Behaviour Research and Therapy
https://www.readbyqxmd.com/read/28375077/ocd-obsessive-compulsive-%C3%A2-disgust-the-role-of-disgust-in-obsessive-compulsive-disorder
#6
Tracy Bhikram, Elia Abi-Jaoude, Paul Sandor
Recent research has identified the important role of disgust in the symptomatology of obsessive-compulsive disorder (OCD). Exaggerated and inappropriate disgust reactions may drive some of the symptoms of OCD, and in some cases, may even eclipse feelings of anxiety. This paper reviews behavioural and neuroimaging research that recognizes the prominent role of disgust in contributing to OCD symptoms, especially contamination-based symptoms. We discuss how elevated behavioural and biological markers of disgust reported in OCD populations support the need for alternative clinical treatment strategies and theoretical models of OCD...
April 4, 2017: Journal of Psychiatry & Neuroscience: JPN
https://www.readbyqxmd.com/read/28258396/emotional-facial-recognition-in-proactive-and-reactive-violent-offenders
#7
Florence Philipp-Wiegmann, Michael Rösler, Petra Retz-Junginger, Wolfgang Retz
The purpose of this study is to analyse individual differences in the ability of emotional facial recognition in violent offenders, who were characterised as either reactive or proactive in relation to their offending. In accordance with findings of our previous study, we expected higher impairments in facial recognition in reactive than proactive violent offenders. To assess the ability to recognize facial expressions, the computer-based Facial Emotional Expression Labeling Test (FEEL) was performed. Group allocation of reactive und proactive violent offenders and assessment of psychopathic traits were performed by an independent forensic expert using rating scales (PROREA, PCL-SV)...
March 3, 2017: European Archives of Psychiatry and Clinical Neuroscience
https://www.readbyqxmd.com/read/28228081/the-neurobiology-and-psychiatric-perspective-of-vaginismus-linking-the-pharmacological-and-psycho-social-interventions
#8
Zuri Shahidii Kadir, Hatta Sidi, Jaya Kumar, Srijit Das, Marhani Midin, Najwa Baharuddin
Vaginismus is an involuntary muscle contraction of the outer third of vaginal barrel causing sexual penetration almost impossible. It is generally classified under sexual pain disorder (SPD). In Diagnostic and Statistical Manual, 5th edition, it is classified under the new rubric of Genito-Pelvic Pain/Sexual Penetration Disorder. This fear-avoidance condition poses an ongoing significant challenge to the medical and health professionals due to the very demanding needs in health care despite its unpredictable prognosis...
February 22, 2017: Current Drug Targets
https://www.readbyqxmd.com/read/28208068/altered-olfactory-processing-and-increased-insula-activity-in-patients-with-obsessive-compulsive-disorder-an-fmri-study
#9
Heather A Berlin, Emily R Stern, Johnny Ng, Sam Zhang, David Rosenthal, Rachel Turetzky, Cheuk Tang, Wayne Goodman
Obsessive-compulsive disorder (OCD) patients show increased insula activation to disgust-inducing images compared to healthy controls (HC). We explored whether this disgust reactivity was also present in the olfactory domain by conducting the first fMRI study of olfaction in OCD. Neural activation in response to pleasant and unpleasant odors (vs. unscented air) was investigated in 15 OCD and 15 HC participants using fMRI. OCD participants (vs. HC) had increased left anterior insula activation to unpleasant odors (vs...
April 30, 2017: Psychiatry Research
https://www.readbyqxmd.com/read/28181370/development-and-validation-of-a-new-italian-short-measure-of-disgust-propensity-the-disgust-propensity-questionnaire-dpq
#10
Gabriele Melli, Carlo Chiorri, Eleonora Stopani, Francesco Bulli, Claudia Carraresi
Although a few measures of disgust propensity are available in Italy, most of them take a long time to administer and/or have not shown replicable and sound psychometric properties. In the current study, the authors developed an Italian nine-item self-report measure of disgust propensity (particularly of pathogen disgust)-the Disgust Propensity Questionnaire (DPQ)-to address the limitations of currently available measures. In Study 1, the DPQ was developed through exploratory and confirmatory factor analyses from an initial pool of 33 items that were administered to 784 nonclinical participants...
February 8, 2017: Clinical Psychology & Psychotherapy
https://www.readbyqxmd.com/read/28071144/do-emotions-spark-interest-in-alternative-tobacco-products
#11
Lucy Popova, Jiyeon So, Angeline Sangalang, Torsten B Neilands, Pamela M Ling
BACKGROUND: Exposure to advertisements for tobacco products and tobacco warning labels evokes emotions. This study evaluated the association of discrete positive and negative emotions with interest in alternative tobacco products. METHOD: In 2013, 1,226 U.S. adult nonsmokers and current smokers viewed advertisements for moist snuff, snus, and electronic cigarettes (e-cigarettes) with various warning labels and then indicated their emotional responses in terms of anger, anxiety, sadness, guilt, disgust, discouragement, hope, and contentment...
January 1, 2017: Health Education & Behavior: the Official Publication of the Society for Public Health Education
https://www.readbyqxmd.com/read/28066706/initial-and-sustained-brain-responses-to-threat-anticipation-in-blood-injection-injury-phobia
#12
Leonie Brinkmann, Hendrik Poller, Martin J Herrmann, Wolfgang Miltner, Thomas Straube
Blood-injection-injury (BII) phobia differs from other subtypes of specific phobia in that it is associated with elevated disgust-sensitivity as well as specific autonomic and brain responses during processing of phobia-relevant stimuli. To what extent these features play a role already during threat anticipation is unclear. In the current fMRI experiment, 16 female BII phobics and 16 female healthy controls anticipated the presentation of phobia-specific and neutral pictures. On the behavioral level, anxiety dominated the anticipatory period in BII phobics relative to controls, while both anxiety and disgust were elevated during picture presentation...
2017: NeuroImage: Clinical
https://www.readbyqxmd.com/read/28054815/try-to-look-on-the-bright-side-children-and-adults-can-sometimes-override-their-tendency-to-prioritize-negative-faces
#13
Kristin Hansen Lagattuta, Hannah J Kramer
We used eye tracking to examine 4- to 10-year-olds' and adults' (N = 173) visual attention to negative (anger, fear, sadness, disgust) and neutral faces when paired with happy faces in 2 experimental conditions: free-viewing ("look at the faces") and directed ("look only at the happy faces"). Regardless of instruction, all age groups more often looked first to negative versus positive faces (no age differences), suggesting that initial orienting is driven by bottom-up processes. In contrast, biases in more sustained attention-last looks and looking duration-varied by age and could be modified by top-down instruction...
January 2017: Journal of Experimental Psychology. General
https://www.readbyqxmd.com/read/28032518/factors-contributing-to-individual-differences-in-facial-expression-categorisation
#14
Corinne Green, Kun Guo
Individuals vary in perceptual accuracy when categorising facial expressions, yet it is unclear how these individual differences in non-clinical population are related to cognitive processing stages at facial information acquisition and interpretation. We tested 104 healthy adults in a facial expression categorisation task, and correlated their categorisation accuracy with face-viewing gaze allocation and personal traits assessed with Autism Quotient, anxiety inventory and Self-Monitoring Scale. The gaze allocation had limited but emotion-specific impact on categorising expressions...
December 29, 2016: Cognition & Emotion
https://www.readbyqxmd.com/read/27974074/sex-related-differences-in-emotion-recognition-in-multi-concussed-athletes
#15
Edith Léveillé, Samuel Guay, Caroline Blais, Peter Scherzer, Louis De Beaumont
OBJECTIVES: Concussion is defined as a complex pathophysiological process affecting the brain. Although the cumulative and long-term effects of multiple concussions are now well documented on cognitive and motor function, little is known about their effects on emotion recognition. Recent studies have suggested that concussion can result in emotional sequelae, particularly in females and multi-concussed athletes. The objective of this study was to investigate sex-related differences in emotion recognition in asymptomatic male and female multi-concussed athletes...
January 2017: Journal of the International Neuropsychological Society: JINS
https://www.readbyqxmd.com/read/27924707/interindividual-differences-in-chemosensory-perception-toward-a-better-understanding-of-perceptual-ratings-during-chemical-exposures
#16
Marlene Pacharra, Stefan Kleinbeck, Michael Schäper, Stephanie A Juran, Kathrin Hey, Meinolf Blaszkewicz, Marie-Louise Lehmann, Klaus Golka, Christoph van Thriel
Perceptions that arise from stimulation of olfactory and trigeminal receptors in the nasal cavity guide the evaluation of chemical environment in humans. Strong interindividual differences in these assessments may be attributed to nonsensory factors such as gender, anxiety, and chemical sensitivity. Knowledge regarding the influence of these factors originates mainly from basic odor research using short-term exposure scenarios. In situations with continuous chemical exposures-common in the working environment-their impact is less clear...
2016: Journal of Toxicology and Environmental Health. Part A
https://www.readbyqxmd.com/read/27886574/the-differential-relationship-between-mental-contamination-and-the-core-dimensions-of-contact-contamination-fear
#17
Gabriele Melli, Francesco Bulli, Claudia Carraresi, Federica Tarantino, Simona Gelli, Andrea Poli
Two types of contamination fear are recognized: contact and mental contamination. Contact contamination appears to be motivated both by harm avoidance and disgust avoidance. This study aimed to examine the relationships between disgust propensity, mental contamination and contact contamination while differentiating between harm avoidance and disgust avoidance in contact contamination. 169 OCD patients completed a set of questionnaires assessing mental contamination, contact contamination, disgust propensity, OCD, anxiety and depression...
November 18, 2016: Journal of Anxiety Disorders
https://www.readbyqxmd.com/read/27856343/brain-response-to-masked-and-unmasked-facial-emotions-as-a-function-of-implicit-and-explicit-personality-self-concept-of-extraversion
#18
Thomas Suslow, Harald Kugel, Christian Lindner, Udo Dannlowski, Boris Egloff
Extraversion-introversion is a personality dimension referring to individual differences in social behavior. In the past, neurobiological research on extraversion was almost entirely based upon questionnaires which inform about the explicit self-concept. Today, indirect measures are available that tap into the implicit self-concept of extraversion which is assumed to result from automatic processing functions. In our study, brain activation while viewing facial expression of affiliation relevant (i.e., happiness, and disgust) and irrelevant (i...
January 6, 2017: Neuroscience
https://www.readbyqxmd.com/read/27783965/biases-in-attention-interpretation-memory-and-associations-in-children-with-varying-levels-of-spider-fear-inter-relations-and-prediction-of-behavior
#19
Anke M Klein, Rianne van Niekerk, Giovanni Ten Brink, Ronald M Rapee, Jennifer L Hudson, Susan M Bögels, Eni S Becker, Mike Rinck
BACKGROUND AND OBJECTIVES: Cognitive theories suggest that cognitive biases may be related and together influence the anxiety response. However, little is known about the interrelations of cognitive bias tasks and whether they allow for an improved prediction of fear-related behavior in addition to self-reports. This study simultaneously addressed several types of cognitive biases in children, to investigate attention bias, interpretation bias, memory bias and fear-related associations, their interrelations and the prediction of behavior...
October 5, 2016: Journal of Behavior Therapy and Experimental Psychiatry
https://www.readbyqxmd.com/read/27776255/does-the-measure-matter-on-the-association-between-disgust-proneness-and-ocd-symptoms
#20
Bunmi O Olatunji, Chad Ebesutani, Eun Ha Kim
Although some studies suggest that the association between disgust proneness (DP) and obsessive-compulsive symptoms (OCS) is specific to the contamination subtype, others suggest that DP is associated with OCS more broadly. To examine if the discrepant findings may partially reflect differences in self-report measures used, this investigation employed structural equation modeling to examine the association between DP and OCS in three samples that completed different combinations of measures of DP, OCS, and anxiety/negative affect...
October 19, 2016: Journal of Anxiety Disorders
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