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Related Experiment Videos

Buccal hemineglect.

J M André1, J M Beis, N Morin

  • 1Institut Régional de Réadaptation de Nancy, 35, rue Lionnois, 54042 Nancy-Cedex, France. jmandre@irr.u-nancy.fr

Archives of Neurology
|December 15, 2000
PubMed
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Stroke can affect the mouth space, causing buccal hemineglect. This condition, often linked to right-hemisphere strokes, leads to swallowing and taste difficulties, impacting patients socially.

Area of Science:

  • Neuroscience
  • Neurology
  • Clinical Psychology

Background:

  • Hemispheric strokes can impact various sensory and motor functions.
  • Neglect syndromes, often associated with brain lesions, can manifest in diverse ways.
  • The peripersonal space, including the area around the mouth, may be vulnerable to stroke-related deficits.

Purpose of the Study:

  • To investigate if hemispheric strokes affect the peripersonal and intrapersonal buccal space.
  • To identify clinical signs of buccal neglect following stroke.
  • To evaluate the impact of buccal neglect on patients' functional abilities.

Main Methods:

  • A prospective study design was employed.
  • Two groups of hemiplegic patients were compared: those with right hemispheric lesions and those with left hemispheric lesions.

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  • Patients were consecutively selected at least one month post-stroke based on specific criteria.

    • Main Results:

    • Buccal hemineglect was predominantly observed in patients with right-hemisphere lesions (10/12 cases).
    • Clinical signs included impaired swallowing (retention, poor salivation, food retention, choking), altered taste perception, and disturbed buccal representation.
    • Initial diagnoses were often incorrect, with functional disorders persisting in some patients for over 18 months.

    Conclusions:

    • Buccal hemineglect should be considered in cases of impaired oral swallowing within neglect syndromes, as it can cause social embarrassment.
    • Early recognition and intervention through prophylactic measures and rehabilitation can mitigate complications like food bolus issues.
    • The findings suggest that the area around the mouth, akin to peripersonal space in monkeys, can be functionally compromised by lesions in specific brain areas (e.g., area 6, thalamus, posterior parietal cortex).