Journal article
Neuropsychological function in psychosis of epilepsy
Epilepsy research, Vol.196, p.107222
10/2023
DOI: 10.1016/j.eplepsyres.2023.107222
PMID: 37717505
Abstract
The neuropsychological profile of patients with psychosis of epilepsy (POE) has received limited research attention. Recent neuroimaging work in POE has identified structural network pathology in the default mode network and the cognitive control network. This study examined the neuropsychological profile of POE focusing on cognitive domains subserved by these networks.
Twelve consecutive patients with a diagnosis of POE were prospectively recruited from the Comprehensive Epilepsy Programmes at The Royal Melbourne, Austin and St Vincent's Hospitals, Melbourne, Australia between January 2015 and February 2017. They were compared to 12 matched patients with epilepsy but no psychosis and 42 healthy controls on standardised neuropsychological tests of memory and executive functioning in a case-control design.
Mean scores across all cognitive tasks showed a graded pattern of impairment, with the POE group showing the poorest performance, followed by the epilepsy without psychosis and the healthy control groups. This was associated with significant group-level differences on measures of working memory (p = < 0.01); immediate (p = < 0.01) and delayed verbal recall (p = < 0.01); visual memory (p < 0.001); and verbal fluency (p = 0.02). In particular, patients with POE performed significantly worse than the healthy control group on measures of both cognitive control (p = .005) and memory (p < .001), whereas the epilepsy without psychosis group showed only memory difficulties (delayed verbal recall) compared to healthy controls (p = .001).
People with POE show reduced performance in neuropsychological functions supported by the default mode and cognitive control networks, when compared to both healthy participants and people with epilepsy without psychosis.
•People with psychosis of epilepsy perform cognitively poorer than matched people with epilepsy without psychosis.•These differences are in areas of memory and cognitive control.•These differences correspond to the default mode and cognitive control brain networks.
Details
- Title: Subtitle
- Neuropsychological function in psychosis of epilepsy
- Creators
- James Allebone - Florey Institute of Neuroscience and Mental HealthRichard A. Kanaan - Austin HealthGenevieve Rayner - The University of MelbourneJerome Maller - Monash Alfred Psychiatry Research centreTerence J. O’Brien - Monash UniversitySaul A. Mullen - Florey Institute of Neuroscience and Mental HealthMark Cook - The University of MelbourneSophia J. Adams - Austin HealthSimon Vogrin - Austin HealthDavid N. Vaughan - Austin HealthPatrick Kwan - Austin HealthSamuel F. Berkovic - Austin HealthWendyl J. D’Souza - Austin HealthGraeme Jackson - Austin HealthDennis Velakoulis - The Royal Melbourne HospitalSarah J. Wilson - Austin Health
- Resource Type
- Journal article
- Publication Details
- Epilepsy research, Vol.196, p.107222
- DOI
- 10.1016/j.eplepsyres.2023.107222
- PMID
- 37717505
- NLM abbreviation
- Epilepsy Res
- ISSN
- 0920-1211
- eISSN
- 1872-6844
- Publisher
- Elsevier B.V
- Language
- English
- Date published
- 10/2023
- Academic Unit
- Radiology
- Record Identifier
- 9984848508902771
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