Pedro Gomes de Alvarenga

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BACKGROUND Recent findings suggest that acute-phase rheumatic fever (RF) patients present with higher frequencies of obsessive-compulsive disorder (OCD) and tic disorders. Until now, there have been no such studies in RF in non-acute phases. OBJECTIVE To verify whether patients with a history of RF with or without Sydenham's chorea (SC) present with(More)
BACKGROUND Both inhibitory-based executive functioning (IB-EF) and basic information processing (BIP) deficits are found in clinic-referred attention deficit hyperactivity disorder (ADHD) samples. However, it remains to be determined whether: (1) such deficits occur in non-referred samples of ADHD; (2) they are specific to ADHD; (3) the co-morbidity between(More)
BACKGROUND A small proportion of individuals with Tourette syndrome (TS) have a lifelong course of illness that fails to respond to conventional treatments. Open label studies have suggested that low frequency (1-Hz) repetitive transcranial magnetic stimulation (rTMS) targeting the supplementary motor area (SMA) may be effective in reducing tic severity. (More)
OBJECTIVE Patients with obsessive-compulsive disorder (OCD) often present with deficits in episodic memory, and there is evidence that these difficulties may be secondary to executive dysfunction, that is, impaired selection and/or application of memory-encoding strategies (mediation hypothesis). Semantic clustering is an effective strategy to enhance(More)
OBJECTIVE This study aims to compare the prevalence of obsessive-compulsive spectrum disorders (OCSD) in psychiatric outpatients with and without a history of rheumatic fever (RF). METHODS An analytical cross-sectional study assessing a large sample of consecutive psychiatric outpatients at a Brazilian private practice was conducted during a 10-year(More)
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