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Dialogues in Clinical Neuroscience

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https://www.readbyqxmd.com/read/28867944/cognitive-behavioral-therapy-for-generalized-anxiety
#1
Lucas Borza
As a form of therapy, cognitive behavioral therapy (CBT) is more than a mere "toolbox." CBT allows us to better understand how the human mind is functioning because it is based on neuroscience and experimental and scientific psychology. At the beginning, the Diagnostic and Statistical Manual of Mental Disorders (DSM) was "nontheoretical," but nowadays (the most recent version being DSM-5), it is increasingly based on CBT paradigms (with the insertion of important notions such as cognitions and behaviors). This Brief Report presents what we currently know about generalized anxiety disorder (GAD) and how we can treat this condition by nonpharmaceutical means...
June 2017: Dialogues in Clinical Neuroscience
https://www.readbyqxmd.com/read/28867943/oxytocin-and-social-functioning
#2
Candace Jones, Ingrid Barrera, Shaun Brothers, Robert Ring, Claes Wahlestedt
Social anxiety is a form of anxiety characterized by continuous fear of one or more social or performance situations. Although multiple treatment modalities (cognitive behavioral therapy, selective serotonin reuptake inhibitors/selective norepinephrine reuptake inhibitors, benzodiazepines) exist for social anxiety, they are effective for only 60% to 70% of patients. Thus, researchers have looked for other candidates for social anxiety treatment. Our review focuses on the peptide oxytocin as a potential therapeutic option for individuals with social anxiety...
June 2017: Dialogues in Clinical Neuroscience
https://www.readbyqxmd.com/read/28867942/behavioral-methods-to-study-anxiety-in-rodents
#3
Kimberly R Lezak, Galen Missig, William A Carlezon
Stress is a precipitating factor for anxiety-related disorders, which are among the leading forms of psychiatric illness and impairment in the modern world. Rodent-based behavioral tests and models are widely used to understand the mechanisms by which stress triggers anxiety-related behaviors and to identify new treatments for anxiety-related disorders. Although substantial progress has been made and many of the key neural circuits and molecular pathways mediating stress responsiveness have been characterized, these advances have thus far failed to translate into fundamentally new treatments that are safer and more efficacious in humans...
June 2017: Dialogues in Clinical Neuroscience
https://www.readbyqxmd.com/read/28867941/affective-neuroimaging-in-generalized-anxiety-disorder-an-integrated-review
#4
Gregory A Fonzo, Amit Etkin
Affective neuroimaging has contributed to our knowledge of generalized anxiety disorder (GAD) through measurement of blood oxygenation level-dependent (BOLD) responses, which facilitate inference on neural responses to emotional stimuli during task-based functional magnetic resonance imaging (fMRI). In this article, the authors provide an integrated review of the task-based affective fMRI literature in GAD. Studies provide evidence for variable presence and directionality of BOLD abnormalities in limbic and prefrontal regions during reactivity to, regulation of, and learning from emotional cues...
June 2017: Dialogues in Clinical Neuroscience
https://www.readbyqxmd.com/read/28867940/genetics-of-generalized-anxiety-disorder-and-related-traits
#5
Michael G Gottschalk, Katharina Domschke
This review serves as a systematic guide to the genetics of generalized anxiety disorder (GAD) and further focuses on anxiety-relevant endophenotypes, such as pathological worry fear of uncertainty, and neuroticism. We inspect clinical genetic evidence for the familialityl heritability of GAD and cross-disorder phenotypes based on family and twin studies. Recent advances of linkage studies, genome-wide association studies, and candidate gene studies (eg, 5-HTT, 5-HT1A, MAOA, BDNF) are outlined. Functional and structural neuroimaging and neurophysiological readouts relating to peripheral stress markers and psychophysiology are further integrated, building a multilevel disease framework...
June 2017: Dialogues in Clinical Neuroscience
https://www.readbyqxmd.com/read/28867939/biological-markers-of-generalized-anxiety-disorder
#6
Eduard Maron, David Nutt
Generalized anxiety disorder (GAD) is a prevalent and highly disabling mental health condition; however, there is still much to learn with regard to pertinent biomarkers, as well as diagnosis, made more difficult by the marked and common overlap of GAD with affective and anxiety disorders. Recently, intensive research efforts have focused on GAD, applying neuroimaging, genetic, and blood-based approaches toward discovery of pathogenetic and treatment-related biomarkers. In this paper, we review the large amount of available data, and we focus in particular on evidence from neuroimaging, genetic, and neurochemical measurements in GAD in order to better understand potential biomarkers involved in its etiology and treatment...
June 2017: Dialogues in Clinical Neuroscience
https://www.readbyqxmd.com/read/28867938/environmental-transmission-of-generalized-anxiety-disorder-from-parents-to-children-worries-experiential-avoidance-and-intolerance-of-uncertainty
#7
Evin Aktar, Milica Nikolić, Susan M Bögels
Generalized anxiety disorder (GAD) runs in families. Building on recent theoretical approaches, this review focuses on potential environmental pathways for parent-to-child transmission of GAD. First, we address child acquisition of a generalized pattern of fearful/anxious and avoidant responding to potential threat from parents via verbal information and via modeling. Next, we address how parenting behaviors may contribute to maintenance of fearful/anxious and avoidant reactions in children. Finally, we consider intergenerational transmission of worries as a way of coping with experiential avoidance of strong negative emotions and with intolerance of uncertainty...
June 2017: Dialogues in Clinical Neuroscience
https://www.readbyqxmd.com/read/28867937/epidemiology-of-anxiety-disorders-from-surveys-to-nosology-and-back
#8
Dan J Stein, Kate M Scott, Peter de Jonge, Ronald C Kessler
On the basis of epidemiological survey findings, anxiety disorders are the most prevalent mental disorders around the world and are associated with significant comorbidity and morbidity. Such surveys rely on advances in psychiatric nosology and may also contribute usefully to revisions of the nosology. There are a number of questions at the intersection of psychiatric epidemiology and nosology. This review addresses the following: What is the prevalence of anxiety disorders and how do we best explain cross-national differences in prevalence estimates? What are the optimal diagnostic criteria for anxiety disorders, and how can epidemiological data shed light on this question? What are the comorbidities of anxiety disorders, and how do we best understand the high comorbidities seen in these conditions? What is the current treatment gap for anxiety disorders, and what are the implications of current understandings of psychiatric epidemiology and nosology for policy-making relevant to anxiety disorders? Here, we emphasize that anxiety disorders are the most prevalent of the psychiatric conditions, and that rather than merely contrasting cross-national prevalence in anxiety disorders, it is more productive to delineate cross-national themes that emerge about the epidemiology of these conditions...
June 2017: Dialogues in Clinical Neuroscience
https://www.readbyqxmd.com/read/28867936/cultural-aspects-of-anxiety-disorders-in-india
#9
Maherra Khambaty, Rajesh M Parikh
Cultural factors have influenced the presentation, diagnoses, and treatment of anxiety disorders in India for several centuries. This review covers the antecedents, prevalence, phenomenology, and treatment modalities of anxiety disorders in the Indian cultural context. It covers the history of the depiction of anxiety in India and the concept of culture in the classification of anxiety disorders, and examines the cultural factors influencing anxiety disorders in India. We review the prevalence and phenomenology of various disorders, such as generalized anxiety disorder, panic disorder, social anxiety, and phobic disorder, as well as culture-specific syndromes such as dhat and koro in India...
June 2017: Dialogues in Clinical Neuroscience
https://www.readbyqxmd.com/read/28867935/the-history-of-generalized-anxiety-disorder-as-a-diagnostic-category
#10
Marc-Antoine Crocq
From the 19th century into the 20th century, the terms used to diagnose generalized anxiety included "pantophobia" and "anxiety neurosis." Such terms designated paroxysmal manifestations (panic attacks) as well as interparoxysmal phenomenology (the apprehensive mental state). Also, generalized anxiety was considered one of numerous symptoms of neurasthenia, a vaguely defined illness. Generalized anxiety disorder (GAD) appeared as a diagnostic category in the third edition of the Diagnostic and Statistical Manual of Mental Disorders (DSM-III) in 1980, when anxiety neurosis was split into GAD and panic disorder...
June 2017: Dialogues in Clinical Neuroscience
https://www.readbyqxmd.com/read/28867934/treatment-of-anxiety-disorders
#11
Borwin Bandelow, Sophie Michaelis, Dirk Wedekind
Anxiety disorders (generalized anxiety disorder, panic disorder/agoraphobia, social anxiety disorder, and others) are the most prevalent psychiatric disorders, and are associated with a high burden of illness. Anxiety disorders are often underrecognized and undertreated in primary care. Treatment is indicated when a patient shows marked distress or suffers from complications resulting from the disorder. The treatment recommendations given in this article are based on guidelines, meta-analyses, and systematic reviews of randomized controlled studies...
June 2017: Dialogues in Clinical Neuroscience
https://www.readbyqxmd.com/read/28867933/anxiety-disorders-a-review-of-current-literature
#12
Florence Thibaut
Anxiety disorders are the most prevalent psychiatric disorders. There is a high comorbidity between anxiety (especially generalized anxiety disorders or panic disorders) and depressive disorders or between anxiety disorders, which renders treatment more complex. Current guidelines do not recommend benzodiazepines as first-line treatments due to their potential side effects. Selective serotonin reuptake inhibitors and selective serotonin norepinephrine reuptake inhibitors are recommended as first-line treatments...
June 2017: Dialogues in Clinical Neuroscience
https://www.readbyqxmd.com/read/28566949/the-potential-role-of-neuroinflammation-and-transcription-factors-in-parkinson-disease
#13
Prafulla Chandra Tiwari, Rishi Pal
Parkinson disease (PD) is a neurodegenerative disorder characterized by dopaminergic neurons affected by inflammatory processes. Post-mortem analyses of brain and cerebrospinal fluid from PD patients show the accumulation of proinflammatory cytokines, confirming an ongoing neuroinflammation in the affected brain regions. These inflammatory mediators may activate transcription factors-notably nuclear factor κB, Ying-Yang 1 (YY1), fibroblast growth factor 20 (FGF20), and mammalian target of rapamycin (mTOR)-which then regulate downstream signaling pathways that in turn promote death of dopaminergic neurons through death domain-containing receptors...
March 2017: Dialogues in Clinical Neuroscience
https://www.readbyqxmd.com/read/28566948/clinical-and-autoimmune-features-of-a-patient-with-autism-spectrum-disorder-seropositive-for-anti-nmda-receptor-autoantibody
#14
Hélène Gréa, Isabelle Scheid, Alexandru Gaman, Véronique Rogemond, Sandy Gillet, Jérôme Honnorat, Federico Bolognani, Christian Czech, Céline Bouquet, Elie Toledano, Manuel Bouvard, Richard Delorme, Laurent Groc, Marion Leboyer
Autism spectrum disorder (ASD) is a neurodevelopmental disorder characterized by dysfunctions in social interactions resulting from a complex interplay between immunogenetic and environmental risk factors. Autoimmunity has been proposed as a major etiological component of ASD. Whether specific autoantibodies directed against brain targets are involved in ASD remains an open question. Here, we identified within a cohort an ASD patient with multiple circulating autoantibodies, including the well-characterized one against glutamate NMDA receptor (NMDAR-Ab)...
March 2017: Dialogues in Clinical Neuroscience
https://www.readbyqxmd.com/read/28566947/immunological-aspects-of-the-treatment-of-depression-and-schizophrenia
#15
Norbert Müller
Schizophrenia and major depression (MD) have been associated with immune system dysfunction. One example of this is the altered level of cytokines-important inflammatory mediators-in blood, and a proinflammatory immune state has been described in some subgroups of patients. A knock to the immune system in early life might trigger a life-long increased immune reactivity, and infections and autoimmune disorders are now known to be risk factors for development of schizophrenia and MD. Pro- and anti-inflammatory cytokines mediate indoleamine 2,3-dioxygenase activity; this enzyme drives metabolism of tryptophan and kynurenin in the central nervous system and degrades serotonin...
March 2017: Dialogues in Clinical Neuroscience
https://www.readbyqxmd.com/read/28566946/a-multispecies-approach-for-understanding-neuroimmune-mechanisms-of-stress
#16
REVIEW
Terrence Deak, Anastacia Kudinova, Dennis F Lovelock, Brandon E Gibb, Michael B Hennessy
The relationship between stress challenges and adverse health outcomes, particularly for the development of affective disorders, is now well established. The highly conserved neuroimmune mechanisms through which responses to stressors are transcribed into effects on males and females have recently garnered much attention from researchers and clinicians alike. The use of animal models, from mice to guinea pigs to primates, has greatly increased our understanding of these mechanisms on the molecular, cellular, and behavioral levels, and research in humans has identified particular brain regions and connections of interest, as well as associations between stress-induced inflammation and psychiatric disorders...
March 2017: Dialogues in Clinical Neuroscience
https://www.readbyqxmd.com/read/28566945/inflammation-opportunities-for-treatment-stratification-among-individuals-diagnosed-with-mood-disorders
#17
Mehala Subramaniapillai, Nicole E Carmona, Carola Rong, Roger S McIntyre
Mood disorders continue to be a significant burden to those affected, resulting in significant illness-associated disability and premature mortality. In addition to mood disturbance, individuals also suffer from other transdiagnostic impairments (eg, anhedonia and cognitive impairment). Although there have been significant advancements in psychiatric treatment over the last few decades, treatment efficacy (eg, symptom remission, lack of functional recovery, and disease modification) continues to be an important limitation...
March 2017: Dialogues in Clinical Neuroscience
https://www.readbyqxmd.com/read/28566944/in-immune-defense-redefining-the-role-of-the-immune-system-in-chronic-disease
#18
Katya B Rubinow, David R Rubinow
The recognition of altered immune system function in many chronic disease states has proven to be a pivotal advance in biomedical research over the past decade. For many metabolic and mood disorders, this altered immune activity has been characterized as inflammation, with the attendant assumption that the immune response is aberrant. However, accumulating evidence challenges this assumption and suggests that the immune system may be mounting adaptive responses to chronic stressors. Further, the inordinate complexity of immune function renders a simplistic, binary model incapable of capturing critical mechanistic insights...
March 2017: Dialogues in Clinical Neuroscience
https://www.readbyqxmd.com/read/28566943/affective-immunology-where-emotions-and-the-immune-response-converge
#19
REVIEW
Fulvio D'Acquisto
Affect and emotion are defined as "an essential part of the process of an organism's interaction with stimuli." Similar to affect, the immune response is the "tool" the body uses to interact with the external environment. Thanks to the emotional and immunological response, we learn to distinguish between what we like and what we do not like, to counteract a broad range of challenges, and to adjust to the environment we are living in. Recent compelling evidence has shown that the emotional and immunological systems share more than a similarity of functions...
March 2017: Dialogues in Clinical Neuroscience
https://www.readbyqxmd.com/read/28566942/neuroinflammation-new-vistas-for-neuropsychiatric-research
#20
Florence Thibaut
In psychiatric diseases such as mood disorders or schizophrenia, the inflammatory response system is activated. Microglia has gradually emerged as a key interface between stress-related signals and neuroimnune consequences of stress, with stressors leading to elevated microglial activity.
March 2017: Dialogues in Clinical Neuroscience
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