Performance on the Wechsler Adult Intelligence Scale (WAIS) in Japanese patients with bipolar and major depressive disorders in euthymic and depressed states.
Wechsler Adult Intelligence Scale
bipolar disorder
major depressive disorder
perceptual organization
premorbid IQ
Journal
Psychiatry and clinical neurosciences
ISSN: 1440-1819
Titre abrégé: Psychiatry Clin Neurosci
Pays: Australia
ID NLM: 9513551
Informations de publication
Date de publication:
Apr 2021
Apr 2021
Historique:
revised:
29
11
2020
received:
24
06
2020
accepted:
21
12
2020
pubmed:
29
12
2020
medline:
3
11
2021
entrez:
28
12
2020
Statut:
ppublish
Résumé
This study aimed to examine the cognitive performance of patients with bipolar disorder (BD) stratified by illness phase compared to that of patients with major depressive disorder (MDD) and healthy controls. Participants were 139 patients with BD (55 euthymic and 84 depressed), 311 patients with MDD (88 euthymic and 223 depressed), and 386 healthy controls who underwent the Wechsler Adult Intelligence Scale-Revised or the Third Edition. They were non-elderly Japanese individuals with normal estimated premorbid intelligence quotient (IQ; >90), group-matched for age, sex, and premorbid IQ. The depressed BD group showed significantly lower scores on verbal IQ, performance IQ, full-scale IQ, and three group indexes of perceptual organization, working memory, and processing speed when compared with healthy controls (all P < 0.001). All IQs and working memory index were also significantly lower than those of the depressed MDD group. The depressed MDD group scored significantly lower than controls in performance IQ (P < 0.001), full-scale IQ, and only in the index of processing speed (P < 0.001). The euthymic BD group scored significantly lower than controls in performance IQ (P = 0.004), whereas the euthymic MDD group scored significantly lower than controls only in processing speed (P = 0.030). Patients with BD appear to have global and more intense cognitive impairments in depressed states compared with those with MDD whose impairments seem to be apparent only in processing speed in the Wechsler Adult Intelligence Scale. Attenuated impairments appear to exist in euthymic states of both patients.
Identifiants
pubmed: 33368739
doi: 10.1111/pcn.13191
pmc: PMC8048446
doi:
Types de publication
Comparative Study
Journal Article
Langues
eng
Sous-ensembles de citation
IM
Pagination
128-137Subventions
Organisme : Japan Agency for Medical Research and Development
ID : 18dk0307081h0001
Organisme : Japan Agency for Medical Research and Development
ID : 18dm0107100h0003
Organisme : National Center of Neurology and Psychiatry
ID : 27-1
Organisme : National Center of Neurology and Psychiatry
ID : 30-1
Informations de copyright
© 2020 The Authors Psychiatry and Clinical Neurosciences published by John Wiley & Sons Australia, Ltd on behalf of Japanese Society of Psychiatry and Neurology.
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