Are there specific neuropsychological deficits underlying poor insight in first episode psychosis?

Laura Ferraro, Benjamin D.R. Wiffen, Javier D. Lopez-Morinigo, Lucia Sideli, Rowena Handley, Manuela Russo, Laura Ferraro, Jennifer A. O'Connor, Anthony S. David, Lucia Sideli

Risultato della ricerca: Articlepeer review

17 Citazioni (Scopus)


Insight in psychosis is a multi-dimensional phenomenon, and has been hypothesised to have some sort of neuropsychological basis. It is unclear to what extent specific neuropsychological abilities are able to predict insight beyond the effect of generalised cognitive ability. We aimed to test this, alongside the relationship of insight with illness duration and diagnosis, in a sample of first episode psychosis patients. We recruited 102 patients experiencing their first episode of psychosis and assessed their insight, symptoms, diagnosis as well as administering a full neuropsychological battery. Low insight was related to worse performance in a variety of neuropsychological tasks. Regression analysis tested whether any specific tasks were related to insight (or dimensions of insight) beyond the effect of IQ. Verbal memory had an effect on total insight and all dimensions of insight (except compliance) beyond the effect of IQ. Insight appeared to vary with diagnosis, with those diagnosed with depressive affective psychoses having better insight than those with manic affective psychoses. There was no relationship between insight and DUP, but there was a relationship between time spent in treatment before assessment and insight, even after controlling for severity of symptoms. The results taken together suggest a model of insight in early psychosis with a significant neuropsychological component, particularly with verbal memory but also with generalised cognitive ability. There is likely to be a social component to insight affected by initial time spent in contact with treatment, helping patients to understand and come to terms with their illness.
Lingua originaleEnglish
pagine (da-a)46-50
Numero di pagine5
RivistaSchizophrenia Research
Stato di pubblicazionePublished - 2012

All Science Journal Classification (ASJC) codes

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