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É hoje um dado consensual que as pessoas com diagnóstico de esquizofrenia
apresentam défices no desempenho cognitivo, com repercussões para o processo de
recuperação e funcionamento psicossocial (Becker et al., 2010; Nielson, 2001; Pratt, Gill,
Barret, & Roberts, 2007). Para avaliar o funcionamento cognitivo destes doentes e permitir
estudar a eficácia de intervenções farmacológicas e psicológicas na melhoria do
funcionamento a este nível, foi desenvolvida uma bateria consensual para avaliação
neuropsicológica em pessoas com esquizofrenia - MATRICS Consensus Cognitive Battery
(MCCB) (Green et al., 2004) -, já traduzida para cerca de 20 países. O presente estudo inserese
num projeto de adaptação e validação da MCCB para Portugal, e tem como objetivo
descrever e compreender as diferenças no desempenho em pessoas com diagnóstico de
esquizofrenia e em controlos saudáveis, ao nível de um dos domínios cognitivos avaliados -
velocidade de processamento. A amostra é constituída por um grupo clínico (N=20) e um
grupo de controlo (N=20), e a velocidade de processamento foi avaliada através das três
provas que integram a MCCB. Os resultados demonstraram existir diferenças significativas
entre os grupos no desempenho de todas as provas, sugerindo a presença de défices nos
doentes com esquizofrenia participantes neste estudo.
Nowadays, it has become consensual that those who are diagnosed with schizophrenia, demonstrate cognitive perfomance deficit, with repercussions in the psychosocial functioning recovery process (Becker et al., 2010; Nielson, 2001; Pratt, Gill, Barret, & Roberts, 2007).. In order to evaluate these patients’ cognitive performance, and allow us to study the pharmaceutical and psychologic interventions’ efficiency regarding the perfomance improvement at this level, a consensual battery was developed for a neuropsychological assessment for schizophrenia patients - MATRICS Consensus Cognitive Battery (MCCB) (Green et al., 2004) - which has already been adapted for 20 countries. The present study rises from an adaptation and validation project for MCCB in Portugal, and aims to describe and understand perfomance diferences between those who have schizophrenia and in healthy controls, regarding one of the levels of the cognitive domains that were evaluated - processing speed. Our sample consists in one clinical group (N=20) and one control group (N=20), on which the processing speed was evaluated through three of the many trials that incorporate MCCB. The results show significant differences between both groups, regarding the overall perfomance in every trial, suggesting the presence of some levels of deficit in the schizophrenia patients who took part of this study.
Nowadays, it has become consensual that those who are diagnosed with schizophrenia, demonstrate cognitive perfomance deficit, with repercussions in the psychosocial functioning recovery process (Becker et al., 2010; Nielson, 2001; Pratt, Gill, Barret, & Roberts, 2007).. In order to evaluate these patients’ cognitive performance, and allow us to study the pharmaceutical and psychologic interventions’ efficiency regarding the perfomance improvement at this level, a consensual battery was developed for a neuropsychological assessment for schizophrenia patients - MATRICS Consensus Cognitive Battery (MCCB) (Green et al., 2004) - which has already been adapted for 20 countries. The present study rises from an adaptation and validation project for MCCB in Portugal, and aims to describe and understand perfomance diferences between those who have schizophrenia and in healthy controls, regarding one of the levels of the cognitive domains that were evaluated - processing speed. Our sample consists in one clinical group (N=20) and one control group (N=20), on which the processing speed was evaluated through three of the many trials that incorporate MCCB. The results show significant differences between both groups, regarding the overall perfomance in every trial, suggesting the presence of some levels of deficit in the schizophrenia patients who took part of this study.
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Palavras-chave
MCCB Cognição Esquizofrenia Velocidade de processamento Cognition Schizophrenia Processing Speed