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Title: Outlining new frontiers for the comprehension of obsessive-compulsive disorder: a review of its relationship with fear and anxiety
Desenhando as novas fronteiras para a compreensão do transtorno obsessivo-compulsivo: uma revisão de sua relação com o medo e a ansiedade
Authors: Diniz, Juliana Belo
Miguel, Euripedes Constantino
Oliveira, Amanda Ribeiro de
Reimer, Adriano Edgar
Brandao, Marcus Lira
Mathis, Maria Alice de
Batistuzzo, Marcelo Camargo
Costa, Daniel Lucas Conceicao
Hoexter, Marcelo Queiroz [UNIFESP]
Universidade de São Paulo (USP)
Inst Neurosci & Behav
Universidade Federal de São Paulo (UNIFESP)
Keywords: Obsessive-Compulsive Disorder
Anxiety Disorders
Stress Disorders
Issue Date: 1-Jun-2012
Publisher: Assoc Brasileira Psiquiatria
Citation: Revista Brasileira De Psiquiatria. Sao Paulo: Assoc Brasileira Psiquiatria, v. 34, p. S81-S103, 2012.
Abstract: Anxiety is an important component of the psychopathology of the obsessive-compulsive disorder (OCD). So far, most interventions that have proven to be effective for treating OCD are similar to those developed for other anxiety disorders. However, neurobiological studies of OCD came to conclusions that are not always compatible with those previously associated with other anxiety disorders. Objectives: The aim of this study is to review the degree of overlap between OCD and other anxiety disorders phenomenology and pathophysiology to support the rationale that guides research in this field. Results: Clues about the neurocircuits involved in the manifestation of anxiety disorders have been obtained through the study of animal anxiety models, and structural and functional neuroimaging in humans. These investigations suggest that in OCD, in addition to dysfunction in cortico-striatal pathways, the functioning of an alternative neurocircuitry, which involves amygdalo-cortical interactions and participates in fear conditioning and extinction processes, may be impaired. Conclusion: It is likely that anxiety is a relevant dimension of OCD that impacts on other features of this disorder. Therefore, future studies may benefit from the investigation of the expression of fear and anxiety by OCD patients according to their type of obsessions and compulsions, age of OCD onset, comorbidities, and patterns of treatment response.
ISSN: 1516-4446
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