Article ; Online: Executive control of language in schizophrenia patients with history of auditory verbal hallucinations: A neuropsychological and resting-state fMRI study.
2023 Volume 262, Page(s) 201–210
Abstract: Background: As demonstrated by a plethora of studies, compromised executive functions (EF) and language are implicated in mechanisms of auditory verbal hallucinations (AVH), but the contribution of their interaction to AVH remains unclear. We ... ...
| Abstract | Background: As demonstrated by a plethora of studies, compromised executive functions (EF) and language are implicated in mechanisms of auditory verbal hallucinations (AVH), but the contribution of their interaction to AVH remains unclear. We hypothesized that schizophrenia patients with history of AVH (AVHh+) vs. without history of AVH (AVHh-) have a specific deficit of executive control of language and alterations in functional connectivity (FC) between the brain regions involved in EF and language, and these neuropsychological and neurophysiological traits are associated with each other. Methods: To explore the executive control of language and its contribution to AVH, we used an integrative approach involving analysis of neuropsychological and resting-state fMRI data of 34 AVHh+, 16 AVHh-, and 40 healthy controls. We identified the neuropsychological and FC measures that differentiated between AVHh+, AVHh-, and HC, and tested the associations between them. Results: AVHh+ were characterized by decreased category and phonological verbal fluency, utterance length, productivity in the planning tasks, and poorer retelling. AVHh+ had decreased FC between the left inferior frontal gyrus and the anterior cingulate cortex. Productivity in category verbal fluency was associated with the FC between these regions. Conclusions: Poor executive control of word retrieval and deficient programming of sentence and narrative related to more general deficits of planning may be the neuropsychological traits specific for AVHh+. A neurophysiological trait specific for AVHh+ may be a decreased FC between regions involved in language production and differentiation between alien- vs. self-generated speech and between language production vs. comprehension. |
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| MeSH term(s) | Humans ; Schizophrenia/complications ; Schizophrenia/diagnostic imaging ; Executive Function ; Magnetic Resonance Imaging ; Hallucinations/etiology ; Hallucinations/complications ; Language | ||||||||||
| Language | English | ||||||||||
| Publishing date | 2023-11-01 | ||||||||||
| Publishing country | Netherlands | ||||||||||
| Document type | Journal Article | ||||||||||
| ZDB-ID | 639422-x | ||||||||||
| ISSN | 1573-2509 ; 0920-9964 | ||||||||||
| ISSN (online) | 1573-2509 | ||||||||||
| ISSN | 0920-9964 | ||||||||||
| DOI | 10.1016/j.schres.2023.10.026 | ||||||||||
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| Database | MEDical Literature Analysis and Retrieval System OnLINE |
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