6 documents found, page 1 of 1

Imbalance in habitual versus goal directed neural systems during symptom provoc...

Intrusive thoughts and compulsive urges to perform stereotyped behaviours are typical symptoms of obsessive-compulsive disorder. Emerging evidence suggests a cognitive bias towards habit formation at the expense of goal-directed performance in obsessive-compulsive disorder. In this study, we test this hypothesis using a novel individualized ecologically valid symptom provocation design: a live provocation funct...

Brain activation of the defensive and appetitive survival systems in obsessive ...

Several studies have shown that basic emotions are responsible for a significant enhancement of early visual processes and increased activation in visual processing brain regions. It may be possible that the cognitive uncertainty and repeated behavioral checking evident in Obsessive Compulsive Disorder (OCD) is due to the existence of abnormalities in basic survival circuits, particularly those associated with ...

Eletroconvulsoterapia no tratamento da psicose puerperal

Puerperal psychosis (PP) is an exuberant clinical syndrome with an estimated frequency of 1 case per 1,000 childbirths that has been most consistently associated with the bipolar disorders spectrum. Available evidence is scarce, namely regarding management and treatment. The authors present the clinical case of a 28 year-old first-time mother, with no psychiatric history, who developed a florid psychotic syndro...

Obsessive Compulsive Disorder as a functional interhemispheric imbalance at the...

Obsessive Compulsive Disorder (OCD) involves failures in two main inhibitory processes, namely cognitive (obsessions) and behavioral (compulsions). Recent research has supported two cortical-subcortical pathways on OCD pathogenesis: (a) the frontostriatal loop (dorsolateral-caudate-striatum-thalamus) responsible for impairments of behavioral inhibition; (b) the orbitofrontal loop (orbitofrontal, medial prefront...

Psicoterapia e Neurociências: o que muda no cérebro

Depression.

The Portuguese Medical Association, through its Colleges of Specialistes, has decided to establish working groups to establish Therapeutic Guidelines in pathologies of great interest and current relevance in order to improve and rationalize health care. The group in charge of establishing the Therapeutic Recommendations in Depression, whose work I had the responsability and pleasure of coordinating during part ...