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1.
J Int Neuropsychol Soc ; 30(1): 27-34, 2024 Jan.
Artículo en Inglés | MEDLINE | ID: mdl-37154103

RESUMEN

OBJECTIVE: Loneliness is a concern for patients with schizophrenia. However, the correlates of loneliness in patients with schizophrenia are unclear; thus, the aim of the study is to investigate neuro- and social cognitive mechanisms associated with loneliness in individuals with schizophrenia. METHOD: Data from clinical, neurocognitive, and social cognitive assessments were pooled from two cross-national samples (Poland/USA) to examine potential predictors of loneliness in 147 patients with schizophrenia and 103 healthy controls overall. Furthermore, the relationship between social cognition and loneliness was explored in clusters of patients with schizophrenia differing in social cognitive capacity. RESULTS: Patients reported higher levels of loneliness than healthy controls. Loneliness was linked to increased negative and affective symptoms in patients. A negative association between loneliness and mentalizing and emotion recognition abilities was found in the patients with social-cognitive impairments, but not in those who performed at normative levels. CONCLUSIONS: We have elucidated a novel mechanism which may explain previous inconsistent findings regarding the correlates of loneliness in individuals with schizophrenia.


Asunto(s)
Disfunción Cognitiva , Mentalización , Esquizofrenia , Teoría de la Mente , Humanos , Esquizofrenia/complicaciones , Soledad , Emociones , Disfunción Cognitiva/complicaciones , Cognición , Percepción Social
3.
J Psychiatr Res ; 104: 124-129, 2018 09.
Artículo en Inglés | MEDLINE | ID: mdl-30029051

RESUMEN

BACKGROUND: Negative symptoms and cognitive impairments predict difficulties in aspects of everyday functioning in schizophrenia, with little research to date attempting to determine if there are threshold levels of impairment required to predict the severity of functional deficits. METHODS: People diagnosed with chronic schizophrenia (n = 821) were assessed with the MCCB and PANSS, and rated by high contact informants with SLOF. Negative symptoms of reduced emotional experience were specifically targeted for analysis because of their previously identified relationships with social outcomes. We identified patients with moderate negative symptoms (at least one PANSS item ≥4) versus less severe symptoms (PANSS items ≤3) and divided patients on the basis of a single latent-trait global cognition score (neuropsychologically normal vs neuropsychologically impaired; performance at or below 1.0 SD from the normative population mean, T = 40), then examined correlations between cognition, negative symptoms and everyday functioning in the groups with lower and higher negative symptoms and those with/without cognitive impairment. RESULTS: Even low levels of negative symptoms were correlated with ratings of social functioning. Cognitive performance in the neuropsychologically normal range, in contrast, was not correlated with any aspects of everyday functioning while more impaired performance predicted greater functional impairments. CONCLUSIONS: Even minimal symptoms may be a target for clinical attention in the domains of negative symptoms, consistent with previous findings regarding social deficits in populations with modest negative symptoms (e.g., schizotypal personality disorder). Cognitive rehabilitation treatments might not improve social functioning if even low levels of negative symptoms (social amotivation) are present.


Asunto(s)
Síntomas Afectivos/etiología , Trastornos del Conocimiento/etiología , Esquizofrenia/complicaciones , Psicología del Esquizofrénico , Adulto , Anciano , Trastornos del Conocimiento/diagnóstico , Estudios de Cohortes , Femenino , Humanos , Masculino , Persona de Mediana Edad , Pruebas Neuropsicológicas , Escalas de Valoración Psiquiátrica
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