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

L S Merritt Millman; Eleanor Short; Biba R. Stanton; Joel Winston; Timothy Nicholson; Mitul Mehta; Antje A. T. S. Reinders; Mark Edwards; Laura Goldstein; Anthony S David; Matthew Hotopf; Trudie Chalder; Susannah Pick

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

L S Merritt Millman, Eleanor Short, Biba R. Stanton, Joel Winston, Timothy Nicholson, Mitul Mehta, Antje A. T. S. Reinders, Mark Edwards, Laura Goldstein, Anthony S David, Matthew Hotopf, Trudie Chalder, Susannah Pick^*

^*Corresponding author for this work

Department of Psychological Medicine, Institute of Psychiatry, Psychology and Neuroscience, King's College London, United Kingdom
King's College Hospital
UCL Institute of Mental Health, Maple House, 149 Tottenham Court Road, Division of Psychiatry, Maple House, London, W1T 7NF

Research output: Contribution to journal › Article › peer-review

14 Citations (Scopus)

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Abstract

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” (p

Original language	English
Journal	Behaviour Research and Therapy
Publication status	Published - 25 Jul 2023

Keywords

interoception
functional neurological disorder
pathophysiology
bodily awareness
non-epileptic seizures
metacognition

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HTT Manuscript_BRaT_23.7.23Accepted author manuscript, 176 KBLicence: CC BY

https://doi.org/10.1016/j.brat.2023.104379Licence: CC BY

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Millman, L. S. M., Short, E., Stanton, B. R., Winston, J., Nicholson, T., Mehta, M., Reinders, A. A. T. S., Edwards, M., Goldstein, L., David, A. S., Hotopf, M., Chalder, T., & Pick, S. (2023). Interoception in functional motor symptoms and functional seizures: preliminary evidence of intact accuracy alongside reduced insight and altered sensibility. Behaviour Research and Therapy. https://doi.org/10.1016/j.brat.2023.104379

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

abstract = "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” (p",

keywords = "interoception, functional neurological disorder, pathophysiology, bodily awareness, non-epileptic seizures, metacognition",

author = "Millman, {L S Merritt} and Eleanor Short and Stanton, {Biba R.} and Joel Winston and Timothy Nicholson and Mitul Mehta and Reinders, {Antje A. T. S.} and Mark Edwards and Laura Goldstein and David, {Anthony S} and Matthew Hotopf and Trudie Chalder and Susannah Pick",

year = "2023",

month = jul,

day = "25",

language = "English",

journal = "Behaviour Research and Therapy",

issn = "0005-7967",

publisher = "Elsevier Limited",

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Millman, LSM, Short, E, Stanton, BR, Winston, J , Nicholson, T , Mehta, M , Reinders, AATS , Edwards, M , Goldstein, L, David, AS, Hotopf, M , Chalder, T & Pick, S 2023, 'Interoception in functional motor symptoms and functional seizures: preliminary evidence of intact accuracy alongside reduced insight and altered sensibility', Behaviour Research and Therapy. <https://doi.org/10.1016/j.brat.2023.104379>

TY - JOUR

T1 - Interoception in functional motor symptoms and functional seizures: preliminary evidence of intact accuracy alongside reduced insight and altered sensibility

AU - Millman, L S Merritt

AU - Short, Eleanor

AU - Stanton, Biba R.

AU - Winston, Joel

AU - Nicholson, Timothy

AU - Mehta, Mitul

AU - Reinders, Antje A. T. S.

AU - Edwards, Mark

AU - Goldstein, Laura

AU - David, Anthony S

AU - Hotopf, Matthew

AU - Chalder, Trudie

AU - Pick, Susannah

PY - 2023/7/25

Y1 - 2023/7/25

N2 - 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” (p

AB - 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” (p

KW - interoception

KW - functional neurological disorder

KW - pathophysiology

KW - bodily awareness

KW - non-epileptic seizures

KW - metacognition

M3 - Article

SN - 0005-7967

JO - Behaviour Research and Therapy

JF - Behaviour Research and Therapy

ER -

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

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