Objective and subjective neurocognitive functioning in functional motor symptoms and functional seizures: preliminary findings.
In: Journal of clinical and experimental neuropsychology, Jg. 45 (2023-12-01), Heft 10, S. 970-987
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Zugriff:
Introduction: This study aimed to provide a preliminary assessment of objective and subjective neurocognitive functioning in individuals with functional motor symptoms (FMS) and/or functional seizures (FS). We tested the hypotheses that the FMS/FS group would display poorer objective attentional and executive functioning, altered social cognition, and reduced metacognitive accuracy.
Method: Individuals with FMS/FS (n = 16) and healthy controls (HCs, n = 17) completed an abbreviated CANTAB battery, and measures of intellectual functioning, subjective cognitive complaints, performance validity, and comorbid symptoms. Subjective performance ratings were obtained to assess local metacognitive accuracy.
Results: The groups were comparable in age (p = 0.45), sex (p = 0.62), IQ (p = 0.57), and performance validity (p-values = 0.10-0.91). We observed no impairment on any CANTAB test in this FMS/FS sample compared to HCs, although the FMS/FS group displayed shorter reaction times on the Emotional Bias task (anger) (p = 0.01, np2 = 0.20). The groups did not differ in subjective performance ratings (p-values 0.15). Whilst CANTAB attentional set-shifting performance (total trials/errors) correlated with subjective performance ratings in HCs (p-values<0.005, r s = -0.85), these correlations were non-significant in the FMS/FS sample (p-values = 0.10-0.13, r s -values = -0.46-0.50). The FMS/FS group reported more daily cognitive complaints than HCs (p = 0.006, g = 0.92), which were associated with subjective performance ratings on CANTAB sustained attention (p = 0.001, r s = -0.74) and working memory tests (p < 0.001, r s = -0.75), and with depression (p = 0.003, r s = 0.70), and somatoform (p = 0.003, r s = 0.70) and psychological dissociation (p-values<0.005, r s -values = 0.67-0.85).
Conclusions: These results suggest a discordance between objective and subjective neurocognitive functioning in this FMS/FS sample, reflecting intact test performance alongside poorer subjective cognitive functioning. Further investigation of neurocognitive functioning in FND subgroups is necessary.
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Objective and subjective neurocognitive functioning in functional motor symptoms and functional seizures: preliminary findings.
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Autor/in / Beteiligte Person: | Pick, S ; Millman, LSM ; Sun, Y ; Short, E ; Stanton, B ; Winston, JS ; Mehta, MA ; Nicholson, TR ; Reinders, AATS ; David, AS ; Edwards, MJ ; Goldstein, LH ; Hotopf, M ; Chalder, T |
Zeitschrift: | Journal of clinical and experimental neuropsychology, Jg. 45 (2023-12-01), Heft 10, S. 970-987 |
Veröffentlichung: | 2013- : London : Routledge ; <i>Original Publication</i>: Lisse : Swets & Zeitlinger, c1985-, 2023 |
Medientyp: | academicJournal |
ISSN: | 1744-411X (electronic) |
DOI: | 10.1080/13803395.2023.2245110 |
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