Chalder, Trudie

David, Anthony S

Edwards, Mark

Goldstein, Laura

Hotopf, Matthew

Mehta, Mitul

Millman, L S Merritt

Nicholson, Timothy

Pick, Susannah

Reinders, Antje A. T. S.

Short, Eleanor

Stanton, Biba R.

Winston, Joel

English

Altered interoception may be a pathophysiological mechanism in functional neurological disorder (FND). However, findings have been inconsistent across interoceptive dimensions in FND including functional motor symptoms (FMS) and seizures (FS). Here, individuals with FMS/FS (n=17) and healthy controls (HC, n=17) completed measures of interoceptive accuracy and insight (adapted heartbeat tracking task [HTT] with confidence ratings), a time estimation control task (TET) and the Multidimensional Assessment of Interoceptive Awareness–2 (MAIA-2) to assess interoceptive sensibility. The groups did not differ in interoceptive accuracy (p=1.00, g=.00) or confidence (p=.99, g=.004), although the FMS/FS group displayed lower scores on the “Not-Distracting” (

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Interoception in functional motor symptoms and functional seizures: preliminary evidence of intact accuracy alongside reduced insight and altered sensibility

https://kclpure.kcl.ac.uk/portal/files/224346595/HTT_Manuscript_BRAT_Revised_14.7.23_Clean.docx

Interoception in functional motor symptoms and functional seizures: preliminary evidence of intact accuracy alongside reduced insight and altered sensibility

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