Cited by 140Spatial Neglect and Hemispheric DysfunctionPsychosomatic Disorders and Their TreatmentsTactile and Sensory Interactions

Neural Mechanisms of Embodiment: Asomatognosia Due to Premotor Cortex Damage

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Arzy, Shahar, Overney, Leila S., Landis, Theodor, Blanke, Olaf·2006·Archives of Neurology

Abstract

BACKGROUND: Patients with asomatognosia generally describe parts of their body as missing or disappeared from corporeal awareness. This disturbance is generally attributed to damage in the right posterior parietal cortex. However, recent neuroimaging and electrophysiological studies suggest that corporeal awareness and embodiment of body parts are instead linked to the premotor cortex of both hemispheres. PATIENT: We describe a patient with asomatognosia of her left arm due to damage in the right premotor and motor cortices. The patient's pathological embodiment for her left arm was associated with mild left somatosensory loss, mild frontal dysfunction, and a behavioral deficit in the mental imagery of human arms. CONCLUSION: Asomatognosia may also be associated with damage to the right premotor cortex.

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  • vPMc lesions induce disorders of bodily awareness, such as anosognosia for hemiplegia and asomatognosia.

    “This proposal fits with the evidence that vPMc lesions induce disorders of bodily awareness, such as anosognosia for hemiplegia (i.e.lack of awareness of motor deficits in the contralesional limbs; Berti et al., 2005) and asomatognosia (i.e.lack of awareness of parts on one's own body; Arzy, Overney, , & Blanke, 2006).”

    From Bodily ownership and self-location: Components of bodily self-consciousness (2013) · cites this paper as Arzy et al., 2006

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Research works printed but not linked: 3

  1. Hecaen HD, David M. Syndrome parie ´tal traumatique: asymbolie tactile et he ´miaso- matognosie paroxystique et douloureuse. Rev Neurol (Paris). 1945;77:113-124.
  2. David M, Hecaen H, Passouant P, Talaraich J. Asomatognosie partielle et algie par- oxystique, seuls signes cliniques d'un angiome parie ´tal partiellement clacifie ´: gue ´ri- son après extirpation chirurgicale. Rev Neurol (Paris). 1946;78:236-238.
  3. Ortigue S, Jabaudon D, Landis T, Michel CM, Maravita A, Blanke O. Preattentive interference between touch and audition. Neuroreport. 2005;16:865-868.

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Authors
Arzy, S., Overney, L. S., Landis, T., & Blanke, O.
Affiliations
École Polytechnique Fédérale de Lausanne (CH)
Corresponding author
Blanke, Olaf
Venue
Archives of Neurology
Published
2006-07-01
Volume
63
Issue
7
Pages
1022
ISSN
0003-9942 (ISSN-L)
OpenAlex
W1988159732
Cited by
140
References
19
Citations by year
2026: 1 · 2025: 6 · 2024: 8 · 2023: 5 · 2022: 10 · 2021: 8 · 2020: 4 · 2019: 5 · 2018: 6 · 2017: 10 · 2016: 7 · 2015: 9 · 2014: 12 · 2013: 7 · 2012: 4
FWCI
4.37
Type
journal article
Language
en
Open access
Locations
  • Archives of Neurology (publishedVersion)
  • PubMed (publishedVersion)
  • Infoscience (Ecole Polytechnique Fédérale de Lausanne) (submittedVersion)
  • Infoscience (Ecole Polytechnique Fédérale de Lausanne) (submittedVersion, cc-by-nc-nd)
Topics
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Spatial Neglect and Hemispheric Dysfunction
  • Health Sciences › Medicine › Psychiatry and Mental health › Psychosomatic Disorders and Their Treatments
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Tactile and Sensory Interactions
Keywords
asomatognosia, embodiment, premotor cortex, somatosensory loss, frontal lobe dysfunction, right hemisphere stroke, body image
MeSH terms
Agnosia, Arm, Body Image, Female, Hand, Humans, Functional Laterality, Magnetic Resonance Imaging, Middle Aged, Motor Cortex

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