NDLI: Valutazione della performance dei network attentivi in pazienti schizofrenici con sintomi positivi e negativi

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Valutazione della performance dei network attentivi in pazienti schizofrenici con sintomi positivi e negativi

Content Provider	Semantic Scholar
Author	Mazza, Monica Tripaldi, Simona Pino, Maria Chiara Stama, Raffaella Valchera, Alessandro Serroni, Nicola Berardis, Domenico De
Copyright Year	2016
Abstract	SUMMARY. Aim. The aim of the present study was to examine the anterior (Experiment 1) and posterior (Experiment 2) attention systems in schizophrenic patients with predominantly negative or positive symptoms, in order to evidence possible differences in symptomatology. Materials and methods. The schizophrenic sample was divided into two subgroups: nega tive (n=13) versus positive symptoms (n=10). The anterior and posterior attention systems in schizophrenic patients were as sessed through two experiments: a dual-task paradigm evaluating executive functions, in particular planning and coordina tion, and a Simon task evaluating automatic shifting of visual attention. Results. Our study showed specific attention deficits in the presence of negative symptoms. These findings suggest that negative schizophrenics have a deficit that affects function ing of both anterior and posterior attention systems, whereas positive schizophrenics showed a selective deficit only for the posterior attention system, with a pattern that is in the opposite direction compared to that of negative schizophrenics. Dis cussion. Our results demonstrate that specific symptom dimensions or patterns are associated with specific cognitive impair ments. Notably, negative schizophrenics exhibited clear abnormalities, whereas positive schizophrenics performed very similarly to healthy controls.
File Format	PDF HTM / HTML
Alternate Webpage(s)	http://www.rivistadipsichiatria.it/r.php?a=14293&f=allegati/01292_2013_03/fulltext/9-Mazza+(252-260).pdf&l=20535&v=1292
Alternate Webpage(s)	https://www.rivistadipsichiatria.it/r.php?a=14293&f=allegati/01292_2013_03/fulltext/9-Mazza+(252-260).pdf&l=20535&v=1292
Language	English
Access Restriction	Open
Content Type	Text
Resource Type	Article

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