[ABE-L] Seminário do Programa de Pós-Graduação em Estatística da UFPE - 2014

[Francisco Cysneiros]

*Seminário do Programa de Pós-Graduação em Estatística da UFPE*

"Speech Graphs as a Tool for Psychiatric Diagnosis"





Dr. Mauro Copelli

Departamento de Física - UFPE



Data: 03 de dezembro de 2014 (quarta-feira)







Horário: 16:00 horas

Local: Auditório Ruy Gomes - Departamento de Estatística da UFPE,
Segundo andar do CCEN


Resumo

Early psychiatry investigated dreams to understand psychopathologies.
Contemporary psychiatry, which neglects dreams, has been criticized for
lack of objectivity. In search of quantitative insight into the structure
of psychotic speech, we investigated speech graph attributes (SGA) in
patients with schizophrenia, bipolar disorder type I, and non-psychotic
controls as they reported waking and dream contents. Schizophrenic subjects
spoke with reduced connectivity, in tight correlation with negative and
cognitive symptoms measured by standard psychometric scales. Bipolar and
control subjects were undistinguishable by waking reports, but in dream
reports bipolar subjects showed significantly less connectivity.
Dream-related SGA outperformed psychometric scores or waking-related data
for group sorting. The results demonstrate the feasibility of the
differential diagnosis of psychosis based on the analysis of dream graphs,
pointing to a fast, low-cost and language-invariant tool for psychiatric
diagnosis and the objective search for biomarkers. The Freudian notion that
"dreams are the royal road to the unconscious" is clinically useful, after
all.
-- 
Francisco José A. Cysneiros
Associate professor
Head of the Graduate Program in Statistics
Departament of Statistics - UFPE
www.de.ufpe.br/~cysneiros
*http:/lattes.cnpq.br/1313497098151734
<http://lattes.cnpq.br/1313497098151734>*
*ResearchedId G-633-2012 <http://www.researcherid.com/rid/G-6333-2012>*
*ORCID <http://orcid.org/0000-0001-6757-6969>*
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