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Search Results for all work with filters:

  • Psychology, Clinical

Work 1-10 of 412

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Article

Clinical Correlates and Predictors of Caregiver Strain in Children With Chronic Tic Disorders

by Krishnapriya Ramanujam; Michael B. Himle; Loran P. Hayes; Douglas W. Woods; Lawrence Scahill; Denis G. Sukhodolsky; Sabine Wilhelm; Thilo Deckersbach; Alan L. Peterson; Matt Specht; John T. Walkup; Susanna Chang; John Piacentini

2015

Subjects
  • Psychology, Clinical
  • Psychology, Experimental
  • Psychology, General
  • File Download
  • View Abstract

Abstract:Close

Although tics are the defining feature of chronic tic disorders (CTD), many children experience comorbid internalizing and externalizing problems that contribute to impairment across several domains, including family functioning. The current study examined clinical correlates and predictors of caregiver strain in parents of children with CTD. Participants were 123 children and adolescents diagnosed with a CTD who participated in a randomized-controlled trial of behavior therapy for reducing tics. Results showed that a combination of disruptive behavior, inattention/hyperactivity, and tic intensity best explained objective strain, and a combination of inattention/hyperactivity and tic intensity were the best predictors of subjective caregiver strain. Implications of these findings for care providers are discussed.

Article

Psychophysiological Arousal and Auditory Sensitivity in a Cross-Clinical Sample of Autistic and Non-autistic Anxious Adults

by David Nicholas Top, Jr.; Steven G. Luke; Kevin G. Stephenson; Mikle South

2019

Subjects
  • Biology, Neuroscience
  • Health Sciences, Opthamology
  • Psychology, Clinical
  • File Download
  • View Abstract

Abstract:Close

Many autistic people report overwhelming sensory experiences and also elevated levels of anxiety. Understanding how these experiences are linked to each other can contribute to improved support and intervention for reducing sensory overload and anxiety. This study included 95 young adult participants including autistic adults, non-autistic adults reporting to a psychotherapy clinic with high levels of anxiety, and neurotypical adults with no psychiatric concerns. We measured pupil size using including a baseline task with no auditory stimulus followed by two blocks of simple auditory habituation. In a subset of 80 participants we also measured self-report levels of sensory processing, anxious apprehension, and intolerance of uncertainty. The autism group showed atypical sensory processing on all four measured domains of the Adolescent and Adult Sensory Profile including sensory sensitivity, sensory seeking, sensory avoidance, and low registration subscales. Dimensional analyses across all participants showed significant positive correlations between sensory sensitivity, sensory seeking, and sensory avoidance domains with scores from the Intolerance of Uncertainty Scale-Short Form and Penn State Worry Questionnaire. The autism group showed significantly larger pupil size than other groups at baseline, before any auditory stimulation. There were no group differences in the rate of auditory habituation, nonetheless the overall, absolute larger pupil size remained in the autism group throughout the experiment. We suggest that this and other findings could indicate chronic hyperarousal in many autistic people. Treatment for anxiety in autism should be informed by knowledge of unique aspects of anxiety in autism and consider the role of sensory experience and everyday psychophysiological arousal.

Article

Amygdala-mediated enhancement of memory for specific events depends on the hippocampus

by David I. Bass; Zainab G. Nizam; Kristin N. Partain; Arick Wang; Joseph Manns

2014

Subjects
  • Biology, Neuroscience
  • Psychology, Clinical
  • File Download
  • View Abstract

Abstract:Close

Emotional events are often remembered better than neutral events, a type of memory prioritization by affective salience that depends on the amygdala. Studies with rats have indicated that direct activation of the basolateral complex of the amygdala (BLA) can enhance memory for neutral events, and if the activation is brief and temporally targeted, can do so in a way that benefits memories for specific events. The essential targets of BLA activation in the case of event-specific memory enhancement were unknown, but the hippocampus was known to receive direct projections from the BLA and to support memory for events. In the present study, rats received counterbalanced infusions of either muscimol, a GABAA receptor agonist, or saline into the hippocampus prior to performing a novel object recognition memory task during which initial encounters with some of the objects were immediately followed by brief electrical stimulation to the BLA. When memory was tested 1day later in the saline condition, rats remembered these objects well but showed no memory for objects for which the initial encounter had not been followed by BLA stimulation. In contrast, no benefit to memory of BLA stimulation was observed in the muscimol condition. The results indicated that brief activation of the BLA can prioritize memories for events by enhancing memory for some object encounters but not others and that this benefit to memory depends on interactions between the amygdala and the hippocampus.

Article

Association of Acquired and Heritable Factors With Intergenerational Differences in Age at Symptomatic Onset of Alzheimer Disease Between Offspring and Parents With Dementia

by Gregory S. Day; Carlos Cruchaga; Thomas Wingo; Suzanne E. Schindler; Dean Coble; John C. Morris

2019

Subjects
  • Biology, Genetics
  • Psychology, Clinical
  • File Download
  • View Abstract

Abstract:Close

Question What are the associations of acquired and heritable factors with intergenerational differences in age at symptomatic onset (AAO) of Alzheimer disease (AD) among offspring of parents with AD? Findings In this cohort study including 164 participants with symptomatic AD and a parental history of dementia, the factors of parental inheritance, more years of education, and retrospective determination of AAO were associated with an earlier-than-expected AAO of AD; parental history of early-onset dementia, APOE ε4 allele status, and hypertension were associated with a later-than-expected AAO of AD. Missense or frameshift variants within genes associated with AD pathogenesis were more common in participants with greater unexplained variability in intergenerational AAO of AD. Meaning Acquired and heritable factors were associated with a substantial proportion of variability in intergenerational AAO of AD.

Article

Comprehensive phenotyping of neuropsychiatric traits in a multiplex 3q29 deletion family: a case report

by Melissa M. Murphy; Teresa Burrell; Joseph F. Curbells; Michael Epstein; Roberto Espana; Michael Gambello; Katrina Goines; Cheryl Klaiman; Sookyong Koh; Rossana Sanchez Russo; Celine Saulnier; Elaine Walker; Jennifer Mulle

2020

Subjects
  • Psychology, Clinical
  • Biology, Neuroscience
  • Biology, Genetics
  • File Download
  • View Abstract

Abstract:Close

3q29 deletion syndrome is associated with a range of medical, neurodevelopmental, and psychiatric phenotypes. The deletion is usually de novo but cases have been reported where the deletion is inherited from apparently unaffected parents. The presence of these unaffected or mildly affected individuals suggests there may be an ascertainment bias for severely affected cases of 3q29 deletion syndrome, thus the more deleterious consequence of the 3q29 deletion may be overestimated. However, a substantial fraction of 3q29 deletion syndrome morbidity is due to psychiatric illness. In many case reports, probands and transmitting parents are not systematically evaluated for psychiatric traits. Here we report results from a systematic phenotyping protocol for neurodevelopmental and neuropsychiatric traits applied to all 3q29 deletion carriers in a multiplex family.

Article

The AURORA Study: A Longitudinal, Multimodal Library of Brain Biology and Function after Traumatic Stress Exposure

by Samuel A. McLean; Kerry Ressler; Tanja Jovanovic; Gari Clifford; Jennifer S. Stevens; Lauren A. Hudak; Thomas R. Insel; Larry J Young; Sanne van Rooij; Thaddeus W. Pace; Elisabeth B. Binder

2019

Subjects
  • Psychology, Clinical
  • File Download
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Adverse posttraumatic neuropsychiatric sequelae (APNS) are common among civilian trauma survivors and military veterans. These APNS, as traditionally classified, include posttraumatic stress, post-concussion syndrome, depression, and regional or widespread pain. Traditional classifications have come to hamper scientific progress because they artificially fragment APNS into siloed, syndromic diagnoses unmoored to discrete components of brain functioning and studied in isolation. These limitations in classification and ontology slow the discovery of pathophysiologic mechanisms, biobehavioral markers, risk prediction tools, and preventive/treatment interventions. Progress in overcoming these limitations has been challenging, because such progress would require studies that both evaluate a broad spectrum of posttraumatic sequelae (to overcome fragmentation) and also perform in-depth biobehavioral evaluation (to index sequelae to domains of brain function). This article summarizes the methods of the Advancing Understanding of RecOvery afteR traumA (AURORA) Study. AURORA conducts a large scale (n = 5,000 target sample) in-depth assessment of APNS development using a state-of-the-art battery of self-report, neurocognitive, physiologic, digital phenotyping, psychophysical, neuroimaging, and genomic assessments, beginning in the early aftermath of trauma and continuing for one year. The goals of AURORA are to achieve improved phenotypes, prediction tools, and understanding of molecular mechanisms to inform the future development and testing of preventive and treatment interventions.

Article

Temperament alters susceptibility to negative peer influence in early adolescence

by Sylvie Mrug; Anjana Madan; Michael Windle

2012

Subjects
  • Health Sciences, Education
  • Psychology, Clinical
  • Psychology, Developmental
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The role of deviant peers in adolescent antisocial behavior has been well documented, but less is known about individual differences in susceptibility to negative peer influence. This study examined whether specific temperament dimensions moderate the prospective relationship between peer deviance and delinquent behavior in early adolescence. Participants included 704 adolescents recruited from the community. At baseline, parents provided information on adolescents' temperament and youth reported on their own and their friends' delinquent behavior. Selfreports of adolescents' delinquent behavior were collected again 16 months later. Peer deviance was related to delinquent behavior over time more strongly for adolescents with low levels of task orientation, flexibility, and positive mood, compared to youth with high levels of task orientation, flexibility, and positive mood. Analyses of gender differences indicated that low flexibility increased susceptibility to negative peer influence only for males, but not females. General activity level and sleep rhythmicity did not moderate the effect of peer behavior on delinquency.

Article

Anhedonia in depression: biological mechanisms and computational models

by Jessica A. Cooper; Amanda R. Arulpragasam; Michael Treadway

2018

Subjects
  • Psychology, Clinical
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Anhedonia is a severe condition that describes a near-complete absence of enjoyment, motivation, and interest. A core feature of depression, clinical manifestations of anhedonia can include deficits in experiencing pleasure, approach-related motivated behavior, and learning how to match expectations to the environment. To date, the precise neurobiological mechanisms of anhedonia in major depression are still poorly understood. We have previously argued that contradictory findings and the inability to identify specific neurobiological substrates for anhedonic symptoms may result from sample heterogeneity, suboptimal methods of assessment, and the challenge of dissociating between different components of anhedonia. Recently, however, computational advances to the operationalization of psychiatric symptoms have enhanced the ability to evaluate the neurobiology of constituent elements of this symptom domain. In this paper, we review (1) advances in behavioral and computational methods of assessing reward processing and motivation and (2) the development of new self-report, neurological, and biological methods of subtyping that may be useful in future pursuits to expand our understanding of the neurobiology of anhedonia in depression.

Article

Disentangling stigma from Functional Neurological Disorders: conference report and roadmap for the Future

by Karen Rommelfanger; Stewart Factor; Suzette Laroche; Phyllis Rosen; Raymond Young; Mark Rapaport

2017

Subjects
  • Biology, Neuroscience
  • Psychology, Behavioral
  • Psychology, Clinical
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A multidisciplinary expert review of key issues and future directions from the conference “Controversial labels and clinical uncertainties: psychogenic disorders, conversion disorder, and functional symptoms.” On October 9 and 10, 2015, a conference entitled “Controversial labels and clinical uncertainties: psychogenic disorders, conversion disorder, and functional symptoms” was held at the Center for Ethics, Emory University, Atlanta, GA, USA. This conference brought together a select group of 30 distinguished thought leaders and practitioners, including ethicists, researchers, clinicians, humanities scholars, and advocates to discuss the unique challenges and controversies related to the diagnosis, treatment, and stigma for patients with what is currently recognized as functional (“psychogenic”) neurological disorders. Our group of experts explored the conflicts and ethical tensions within health care that must be addressed in order to advance care for these disorders. What follows is a reflection on the conversations between conference attendees outlining key challenges and value conflicts in the diagnosis and treatment of patients with functional disorders. With this report, we aim to provide a roadmap for reducing stigma and improving care for functional neurological disorders (FND). A path forward would involve (1) setting a multifactorial research agenda that equally prioritized access to effective psychotherapy as well as identification of novel biomarkers; (2) empowering patients with FND to be heard and to drive changes in care; and (3) reducing isolation for clinicians by providing formal training and setting up multidisciplinary care teams and support networks.

Article

Mediators of the Daily Hassles-Suicidal Ideation Link in African American Women

by Nadine Kaslow; Dorian Lamis

2014

Subjects
  • Psychology, Clinical
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Depressive symptoms and hopelessness as mediators of the daily hassles-suicidal ideation link in low-income African American women exposed to intimate partner violence (n = 100) were investigated. As hypothesized, daily hassles, depressive symptoms, and hopelessness were each significantly and positively associated with suicidal ideation. Moreover, the relation between daily hassles and suicidal ideation was, in part, accounted for by depressive symptoms and hopelessness. This study demonstrates the importance of assessing for the presence of these risk factors when determining the likelihood that an abused African American woman will consider suicide. The findings further highlight the value of designing and implementing interventions that target the reduction in depressive symptoms and hopelessness in abused African American women exposed to daily hassles to reduce their suicide risk.
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