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Hypervigilance

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https://www.readbyqxmd.com/read/27876440/cannabis-alcohol-use-psychological-distress-and-decision-making-style
#1
James G Phillips, Rowan P Ogeil
INTRODUCTION: There have been suggestions of hypofrontality in cannabis users. To understand cannabis-related differences in decisional processes, Janis and Mann's conflict model of decision making was applied to recreational cannabis smokers who varied in their alcohol use and level of psychological distress. METHOD: An online sample of recreational substance users (114 male, 119 female) completed the Melbourne Decision Making Questionnaire, the Alcohol Use Disorders Identification Test (AUDIT), Kessler's Psychological Distress Scale (K10), and the Severity of Dependence Scale (SDS) for cannabis...
November 23, 2016: Journal of Clinical and Experimental Neuropsychology
https://www.readbyqxmd.com/read/27865628/the-genesis-and-presentation-of-anxiety-in-disorders-of-autonomic-over-excitation
#2
Andrew P Owens, David A Low, Valeria Iodice, Hugo D Critchley, Christopher J Mathias
INTRODUCTION: We investigated the genesis and presentation of previously-reported anxiety in disorders of autonomic overexcitation in relation to interoception, body vigilance and trauma to test our hypothesis that patients with the postural tachycardia syndrome (PoTS), vasovagal syncope (VVS) and essential hyperhidrosis (EH) represent atypical anxiety phenotypes in whom affective symptoms are more related to apprehension and vigilance of physiological (interoceptive) feedback than neurotic or trauma-related factors...
October 19, 2016: Autonomic Neuroscience: Basic & Clinical
https://www.readbyqxmd.com/read/27777375/reminders-of-social-connection-can-attenuate-anthropomorphism-a-replication-and-extension-of-epley-akalis-waytz-and-cacioppo-2008
#3
Jennifer A Bartz, Kristina Tchalova, Can Fenerci
It is a fundamental human need to secure and sustain a sense of social belonging. Previous research has shown that individuals who are lonely are more likely than people who are not lonely to attribute humanlike traits (e.g., free will) to nonhuman agents (e.g., an alarm clock that makes people get up by moving away from the sleeper), presumably in an attempt to fulfill unmet needs for belongingness. We directly replicated the association between loneliness and anthropomorphism in a larger sample (N = 178); furthermore, we showed that reminding people of a close, supportive relationship reduces their tendency to anthropomorphize...
October 24, 2016: Psychological Science
https://www.readbyqxmd.com/read/27774680/threat-and-fear-of-pain-induces-attentional-bias-to-pain-words-an-eye-tracking-study
#4
L Sharpe, M Brookes, E Jones, C Gittins, E Wufong, M K Nicholas
BACKGROUND: This study aimed to investigate the effects of fear of pain (FOP) and threat on attentional biases, using eye-tracking methods. METHOD: One hundred and seven undergraduate students were randomized to receive threatening or reassuring information about the cold pressor task; and divided into high and low FOP groups. Participants completed the dot-probe task, while their eye movements were tracked. RESULTS: Results showed that those who received threatening information were less likely to have their first fixation on pain words, particularly affective pain words...
October 24, 2016: European Journal of Pain: EJP
https://www.readbyqxmd.com/read/27715333/a-qualitative-exploration-of-the-premigration-victimization-experiences-of-sexual-and-gender-minority-refugees-and-asylees-in-the-united-states-and-canada
#5
Edward J Alessi, Sarilee Kahn, Rebecca Van Der Horn
Progress in analyzing and interpreting the concepts of sexual orientation and gender identity in the context of refugee law has contributed to a rise in individuals seeking asylum in such countries as the United States and Canada. However, few studies have examined the victimization experiences of sexual- and gender-identity forced migrants prior to their arrival in North America. This qualitative study used thematic analysis to explore the premigration adult victimization experiences of 26 lesbian, gay, and transgender individuals who obtained refugee, asylee, or withholding-of-removal status in the United States or Canada based on persecution for their sexual orientation and/or gender identity...
October 7, 2016: Journal of Sex Research
https://www.readbyqxmd.com/read/27664824/perceived-social-isolation-is-associated-with-altered-functional-connectivity-in-neural-networks-associated-with-tonic-alertness-and-executive-control
#6
Elliot A Layden, John T Cacioppo, Stephanie Cacioppo, Stefano F Cappa, Alessandra Dodich, Andrea Falini, Nicola Canessa
Perceived social isolation (PSI), colloquially known as loneliness, is associated with selectively altered attentional, cognitive, and affective processes in humans, but the neural mechanisms underlying these adjustments remain largely unexplored. Behavioral, eye tracking, and neuroimaging research has identified associations between PSI and implicit hypervigilance for social threats. Additionally, selective executive dysfunction has been evidenced by reduced prepotent response inhibition in social Stroop and dichotic listening tasks...
September 21, 2016: NeuroImage
https://www.readbyqxmd.com/read/27648587/psychological-predictors-of-acute-postoperative-pain-after-hysterectomy-for-benign-causes
#7
Jennifer Scheel, Reinhard Sittl, Norbert Griessinger, Marion Strupf, Andreas Parthum, Violeta Dimova, Claudia Horn-Hofmann, Falk Thiel, Matthias W Beckmann, Stefan Lautenbacher
OBJECTIVES: Psychological parameters have been shown to contribute significantly to the development of acute postoperative pain (APOP). For the prediction of APOP in chest malformation patients and cancer patients, we found pain-specific psychological predictors to be of higher relevance than general psychological predictors. The current study aims to further substantiate these findings. METHODS: In a sample of 73 middle-aged hysterectomy patients, three predictor sets were assessed 1 day before surgery: attentional biases (towards pain-related, social threat, and positive words in a dot-probe task), pain-related emotions and cognitions (pain anxiety, pain catastrophizing, and pain hypervigilance), and affective state variables (depression and somatization)...
September 17, 2016: Clinical Journal of Pain
https://www.readbyqxmd.com/read/27633070/management-of-a-concealable-stigmatized-identity-a-qualitative-study-of-concealment-disclosure-and-role-flexing-among-young-resilient-sexual-and-gender-minority-individuals
#8
Laura Jane Bry, Brian Mustanski, Robert Garofalo, Michelle Nicole Burns
Disclosure of a sexual or gender minority status has been associated with both positive and negative effects on wellbeing. Few studies have explored the disclosure and concealment process in young people. Interviews were conducted with 10 sexual and/or gender minority individuals, aged 18-22 years, of male birth sex. Data were analyzed qualitatively, yielding determinants and effects of disclosure and concealment. Determinants of disclosure included holding positive attitudes about one's identity and an implicit devaluation of acceptance by society...
September 15, 2016: Journal of Homosexuality
https://www.readbyqxmd.com/read/27624417/recognition-of-emotional-facial-expressions-in-anxious-and-nonanxious-depression
#9
Hannah E Berg, Elizabeth D Ballard, David A Luckenbaugh, Allison C Nugent, Dawn F Ionescu, Carlos A Zarate
BACKGROUND: Anxiety and depression have each been independently associated with impairments in emotional face recognition. However, little is known about the nature of these impairments when anxiety and depression co-occur. METHODS: This post-hoc analysis evaluated the relationship between anxiety status and performance on the Emotional Expression Multimorph Task within a clinical sample of individuals with major depressive disorder (MDD). RESULTS: Participants with anxious depression (n=14) and nonanxious depression (n=14) completed the Emotional Expression Multimorph Task...
October 2016: Comprehensive Psychiatry
https://www.readbyqxmd.com/read/27623049/latent-typologies-of-posttraumatic-stress-disorder-in-world-trade-center-responders
#10
Sarah R Horn, Robert H Pietrzak, Clyde Schechter, Evelyn J Bromet, Craig L Katz, Dori B Reissman, Roman Kotov, Michael Crane, Denise J Harrison, Robin Herbert, Benjamin J Luft, Jacqueline M Moline, Jeanne M Stellman, Iris G Udasin, Philip J Landrigan, Michael J Zvolensky, Steven M Southwick, Adriana Feder
Posttraumatic stress disorder (PTSD) is a debilitating and often chronic psychiatric disorder. Following the 9/11/2001 World Trade Center (WTC) attacks, thousands of individuals were involved in rescue, recovery and clean-up efforts. While a growing body of literature has documented the prevalence and correlates of PTSD in WTC responders, no study has evaluated predominant typologies of PTSD in this population. Participants were 4352 WTC responders with probable WTC-related DSM-IV PTSD. Latent class analyses were conducted to identify predominant typologies of PTSD symptoms and associated correlates...
September 2, 2016: Journal of Psychiatric Research
https://www.readbyqxmd.com/read/27620996/risk-factors-for-postoperative-hematoma-after-inguinal-hernia-repair-an-update
#11
Muhammad H Zeb, T K Pandian, Moustafa M El Khatib, Nimesh D Naik, Abhishek Chandra, David S Morris, Rory L Smoot, David R Farley
BACKGROUND: We recently sensed an increase in the frequency of groin hematoma after inguinal hernia repair (IHR) at our institution. The aim of this study was to provide a more updated assessment of the risk factors inherent to this complication. METHODS: We performed a case-control study of all adult patients (age ≥ 18 y) who developed a groin hematoma after IHR at our institution between 2003 and 2015. Univariate and multivariable analyses were performed to assess for independent predictors for groin hematoma...
September 2016: Journal of Surgical Research
https://www.readbyqxmd.com/read/27609770/chemical-and-molecular-factors-in-irritable-bowel-syndrome-current-knowledge-challenges-and-unanswered-questions
#12
REVIEW
Michael Camilleri, Ibironke Oduyebo, Houssam Halawi
Several chemical and molecular factors in the intestine are reported to be altered and to have a potentially significant role in irritable bowel syndrome (IBS), particularly in IBS with diarrhea. These include bile acids; short-chain fatty acids; mucosal barrier proteins; mast cell products such as histamine, proteases, and tryptase; enteroendocrine cell products; and mucosal mRNAs, proteins, and microRNAs. This article reviews the current knowledge and unanswered questions in the pathobiology of the chemical and molecular factors in IBS...
November 1, 2016: American Journal of Physiology. Gastrointestinal and Liver Physiology
https://www.readbyqxmd.com/read/27605124/hypervigilance-avoidance-in-children-with-anxiety-disorders-magnetoencephalographic-evidence
#13
Ida Wessing, Georg Romer, Markus Junghöfer
BACKGROUND: An altered pattern of threat processing is deemed critical for the development of anxiety disorders (AD). According to the hypervigilance-avoidance hypothesis, AD patients show hypervigilance to threat cues at early stages of processing but avoid threat cues at later stages of processing. Consistently, adults with AD show enhanced neurophysiological responses to threat in early time windows and reduced responses to threat in late time windows. The presence of such a hypervigilance-avoidance effect and its underlying neural sources remain to be determined in clinically anxious children...
September 8, 2016: Journal of Child Psychology and Psychiatry, and Allied Disciplines
https://www.readbyqxmd.com/read/27565249/neural-correlates-of-attention-bias-in-posttraumatic-stress-disorder
#14
Noa Herz, Inbal Reuveni, Abraham Goldstein, Tuvia Peri, Shaul Schreiber, Yuval Harpaz, Omer Bonne
OBJECTIVE: Patients suffering from posttraumatic stress disorder (PTSD) exhibit hyper arousal symptoms and attention problems which were frequently investigated using the P3 event-related potentials (ERPs). Our study aimed at providing more precise knowledge of the functional significance of the P3 alteration seen in PTSD by revealing its spatio-temporal dynamics. METHODS: Fifteen PTSD patients and fifteen healthy trauma-exposed controls participated in a three-tone "oddball" task while their brain activity was recorded by magnetoencephalography (MEG)...
October 2016: Clinical Neurophysiology: Official Journal of the International Federation of Clinical Neurophysiology
https://www.readbyqxmd.com/read/27555363/modulation-of-inhibitory-processing-by-posttraumatic-stress-symptoms-and-anxiety-in-a-subclinical-sample-of-children
#15
Morgane Gindt, Lucile Chanquoy, René Garcia
In adults, pathologies of anxiety such as posttraumatic stress symptoms (PTSS) involve deficits in information processing that may reflect hypervigilance and deficient inhibitory control, specifically for negative information. However, little is known about inhibitory processing in children, particularly regarding the inhibition of emotional information. This study investigated whether children with PTSS or anxiety show impairments in executive control in an inhibition task. A total of 45 children (M age = 9...
August 23, 2016: Perceptual and Motor Skills
https://www.readbyqxmd.com/read/27554310/a-case-matched-study-of-neurophysiological-correlates-to-attention-working-memory-in-people-with-somatic-hypervigilance
#16
Carolyn Berryman, Vikki Wise, Tasha R Stanton, Alexander McFarlane, G Lorimer Moseley
OBJECTIVE: Somatic hypervigilance describes a clinical presentation in which people report more, and more intense, bodily sensations than is usual. Most explanations of somatic hypervigilance implicate altered information processing, but strong empirical data are lacking. Attention and working memory are critical for information processing, and we aimed to evaluate brain activity during attention/working memory tasks in people with and without somatic hypervigilance. METHOD: Data from 173 people with somatic hypervigilance and 173 controls matched for age, gender, handedness, and years of education were analyzed...
August 24, 2016: Journal of Clinical and Experimental Neuropsychology
https://www.readbyqxmd.com/read/27457154/parent-coping-with-adolescent-trichotillomania
#17
Marcia S Stevens, Susan O'Conner-Von
Adolescents who struggle with trichotillomania (TTM; hairpulling disorder) are not alone, their parents also struggle. The focus of this qualitative study was to identify what parents (N = 30) perceive as stressful about parenting an adolescent with TTM and how they cope with these stressors. Parents described uncertainty about the course of the disorder and powerlessness in the ability to protect their adolescent from the reactions of others or assist them in curtailing the hairpulling as very distressing...
July 25, 2016: Journal of School Nursing: the Official Publication of the National Association of School Nurses
https://www.readbyqxmd.com/read/27454009/comorbid-anxiety-increases-cognitive-control-activation-in-major-depressive-disorder
#18
Natania A Crane, Lisanne M Jenkins, Catherine Dion, Kortni K Meyers, Anne L Weldon, Laura B Gabriel, Sara J Walker, David T Hsu, Douglas C Noll, Heide Klumpp, K Luan Phan, Jon-Kar Zubieta, Scott A Langenecker
BACKGROUND: Major Depressive Disorder (MDD) and anxiety disorders often co-occur, with poorer treatment response and long-term outcomes. However, little is known about the shared and distinct neural mechanisms of comorbid MDD and anxiety (MDD+Anx). This study examined how MDD and MDD+Anx differentially impact cognitive control. METHODS: Eighteen MDD, 29 MDD+Anx, and 54 healthy controls (HC) completed the Parametric Go/No-Go (PGNG) during fMRI, including Target, Commission, and Rejection trials...
October 2016: Depression and Anxiety
https://www.readbyqxmd.com/read/27432823/traitement-des-%C3%A3-tats-de-stress-post-traumatiques-par-un-antagoniste-alpha-1-adr%C3%A3-nergique-la-prazosine-une-revue-des-%C3%A3-tudes-d-%C3%A3-valuation
#19
Philippe Yves Rémy Simon, Pierre-François Rousseau
OBJECTIVE: The present review aims to assess the clinical efficacy and safety of the α-1-adrenergic antagonist prazosin as primary pharmacologic treatment for post-traumatic stress disorder (PTSD). METHOD: A systematic review was performed using keywords (i.e., prazosin, α-1-adrenergic antagonist, α-1-blocker, post-traumatic stress disorder) in the databases PubMed/Medline (1966-May 2016), Embase (1966-May 2016), ScienceDirect (1823-May 2016), OvidSP (1946-May 2016) and Nature (1845-May 2016)...
July 18, 2016: Canadian Journal of Psychiatry. Revue Canadienne de Psychiatrie
https://www.readbyqxmd.com/read/27391257/psychological-mediators-of-chronic-tinnitus-the-critical-role-of-depression
#20
Krysta J Trevis, Neil M McLachlan, Sarah J Wilson
BACKGROUND: Maintenance of chronic tinnitus has been proposed to result from a vicious cycle of hypervigilance occurring when a phantom sound is associated with anxiety and limbic system overactivity. Depression, obsessive-compulsiveness, illness attitudes and coping strategies are known to impact tinnitus, but their relationship with the vicious cycle is unknown. As such, we aimed to identify psychological mediators of the vicious cycle. We also examined the relationship between coping strategies and any identified mediators to facilitate the translation of our research to treatment settings...
November 1, 2016: Journal of Affective Disorders
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