Comparison of three scales (BIS, SUMD and BCIS) for measuring insight dimensions and their evolution after one-year of follow-up: Findings from the FACE-SZ Cohort - Neuro-Psycho-pharmacologie des systèmes dopaminergiques sous-corticaux Access content directly
Journal Articles Psychiatry Research Year : 2021

Comparison of three scales (BIS, SUMD and BCIS) for measuring insight dimensions and their evolution after one-year of follow-up: Findings from the FACE-SZ Cohort

Delphine Capdevielle (1, 2, 3) , Joanna Norton (4) , Bruno Aouizerate (1, 5, 6, 7, 8) , Fabrice Berna (1, 9, 10, 11) , Isabelle Chereau (1, 12, 13) , Thierry d'Amato (1, 14, 15) , Caroline Dubertret (1, 16, 17, 18, 19) , Julien Dubreucq (1, 20) , Guillaume Fond (21, 1, 22) , Lançon C (1, 23) , Jasmina Mallet (1, 16, 19) , David Misdrahi (1, 6, 24) , Catherine Passerieux (1, 25, 26) , Romain Rey (1, 14, 15) , Franck Schurhoff (1, 27, 28) , Mathieu Urbach (1, 25, 26) , Pierre-Michel Llorca (1, 12, 13) , Stephane Raffard (2, 29, 30, 31)
1 Fondation FondaMental [Créteil]
2 CHRU Montpellier - Centre Hospitalier Régional Universitaire [Montpellier]
3 IGF - Institut de Génomique Fonctionnelle
4 INM - Institut des Neurosciences de Montpellier
5 U1215 Inserm - UB - Neurocentre Magendie : Physiopathologie de la Plasticité Neuronale
6 Centre hospitalier Charles Perrens [Bordeaux]
7 Hôpital Pellegrin
8 SANPSY - Sommeil, Addiction et Neuropsychiatrie [Bordeaux]
9 Les Hôpitaux Universitaires de Strasbourg (HUS)
10 NCPS - Neuropsychologie Cognitive et Physiopathologie de la Schizophrénie
11 FMTS - Fédération de Médecine Translationnelle de Strasbourg
12 CHU Clermont-Ferrand
13 NPsy-Sydo - Neuro-Psycho Pharmacologie des Systèmes Dopimanégiques sous-corticaux
14 CRNL - Centre de recherche en neurosciences de Lyon - Lyon Neuroscience Research Center
15 Centre Hospitalier le Vinatier [Bron]
16 Hôpital Louis Mourier - AP-HP [Colombes]
17 UPD7 - Université Paris Diderot - Paris 7
18 USPC - Université Sorbonne Paris Cité
19 U894 - Centre de Psychiatrie et Neurosciences
20 Centre Référent de Réhabilitation Psychosociale [CH Alpes Isère]
21 CEReSS - Centre d'études et de recherche sur les services de santé et la qualité de vie
22 LA CONCEPTION - Hôpital de la Conception [CHU - APHM]
23 Hôpitaux Sud - Hôpital Sainte-Marguerite [CHU - APHM]
24 INCIA - Institut de Neurosciences cognitives et intégratives d'Aquitaine
25 CHV - Centre Hospitalier de Versailles André Mignot
26 UVSQ Santé - Université de Versailles Saint-Quentin-en-Yvelines - UFR Sciences de la santé Simone Veil
27 IMRB - Institut Mondor de Recherche Biomédicale
28 Hôpital Henri Mondor
29 UPVM - Université Paul-Valéry - Montpellier 3
30 Hôpital de la Colombière
31 EPSYLON - Dynamique des capacités humaines et des conduites de santé

Abstract

The aim of our study was to compare the performance of three different instruments measuring clinical and cognitive dimensions of insight. Data on 182 outpatients with schizophrenia and one-year follow-up assessments was drawn from the FACE-SZ cohort. Awareness of clinical state (« clinical insight ») was measured using both a clinician-rated measure (the Scale to assess Unawareness of Mental Disorder (SUMD)), and a self-report measure (the Birchwood Insight Scale (BIS). Cognitive insight was measured using a self-report measure (the Beck Cognitive Insight Scale (BCIS)). For each scale, change in insight was examined at the follow-up. Correlations between SUMD and BIS subscales measuring same dimensions were significant. BIS-BCIS correlations were weak for all combinations except between BIS illness dimension and BCIS composite score. At the follow-up, BIS and SUMD awareness of treatment need improved whereas illness and symptom awareness increased only on the SUMD. Conversely, cognitive insight composite scores decreased. Despite relatively good overall agreement between the two clinical insight instruments, considerable variability for similar insight dimensions measured by different instruments was found. Agreement between cognitive and clinical insight is moderate. Our study strengthens the argument that insight is harder to operationalize than other symptoms and may explain why it is so seldom explicitly targeted in schizophrenia treatment.
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hal-03282374 , version 1 (02-08-2023)

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Attribution - NonCommercial

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Delphine Capdevielle, Joanna Norton, Bruno Aouizerate, Fabrice Berna, Isabelle Chereau, et al.. Comparison of three scales (BIS, SUMD and BCIS) for measuring insight dimensions and their evolution after one-year of follow-up: Findings from the FACE-SZ Cohort. Psychiatry Research, 2021, 303, pp.114044. ⟨10.1016/j.psychres.2021.114044⟩. ⟨hal-03282374⟩
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