Discriminating between first- and second-order cognition in first-episode paranoid schizophrenia.
Cogn Neuropsychiatry
; 22(2): 95-107, 2017 03.
Article
em En
| MEDLINE
| ID: mdl-28005458
ABSTRACT
INTRODUCTION:
An impairment of visually perceiving backward masked stimuli is commonly observed in patients with schizophrenia, yet it is unclear whether this impairment is the result of a deficiency in first or higher order processing and for which subtypes of schizophrenia it is present.METHODS:
Here, we compare identification (first order) and metacognitive (higher order) performance in a visual masking paradigm between a highly homogenous group of young first-episode patients diagnosed with paranoid schizophrenia (N = 11) to that of carefully matched healthy controls (N = 13).RESULTS:
We find no difference across groups in first-order performance, but find a difference in metacognitive performance, particularly for stimuli with relatively high visibility.CONCLUSIONS:
These results indicate that the masking deficit is present in first-episode patients with paranoid schizophrenia, but that it is primarily an impairment of metacognition.Palavras-chave
Texto completo:
1
Base de dados:
MEDLINE
Assunto principal:
Mascaramento Perceptivo
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Psicometria
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Esquizofrenia Paranoide
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Transtornos Cognitivos
Tipo de estudo:
Observational_studies
/
Prognostic_studies
/
Risk_factors_studies
Limite:
Adult
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Female
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Humans
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Male
Idioma:
En
Ano de publicação:
2017
Tipo de documento:
Article