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Related Experiment Videos

[Eyelid motor impersistence].

P Larmande, A Larmande

    Journal Francais D'Ophtalmologie
    |January 1, 1983
    PubMed
    Summary
    This summary is machine-generated.

    Eyelid motor impersistence, difficulty maintaining eye closure, is linked to minor hemisphere parietal lobe damage. This neurological sign may indicate apraxia or neglect, often diagnosed with CAT scans.

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    Area of Science:

    • Neurology
    • Neuroscience
    • Ophthalmology

    Background:

    • Eyelid motor impersistence is characterized by the inability to sustain voluntary eyelid closure.
    • This condition is observed in patients with specific neurological deficits.
    • Understanding the underlying causes is crucial for diagnosis and management.

    Observation:

    • The authors observed fifteen cases of eyelid motor impersistence within a short timeframe.
    • The phenomenon was consistently associated with damage to the minor cerebral hemisphere, specifically the parietal lobe.
    • Clinical observations suggest a link between motor impersistence and apraxia.

    Findings:

    • Eyelid motor impersistence is proposed to be a form of apraxia.
    • Lesions in the minor hemisphere's parietal lobe are identified as the cause.

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  • Computed Axial Tomography (CAT) scans can aid in diagnosis, with observed cases including tumors and thalamic hematoma.

    • Implications:

    • Motor impersistence may serve as a clinical indicator of parietal lobe dysfunction.
    • The condition is potentially related to neglect and interhemispheric balance issues.
    • Further research is needed to fully elucidate the neuroanatomical basis and clinical significance of eyelid motor impersistence.