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[Space perception in cerebral hemisphere damage. Neuropsychological study]

C Marco Sanz1, E Cepero Moreno, S Narín Ballabriga

  • 1Escuela Universitaria de Ciencias de la Salud, Universidad de Zaragoza, España.

Acta Psiquiatrica Y Psicologica De America Latina
|December 1, 1993
PubMed
Summary

This study explored semiotic and symbolic spaces in hemiplegic patients. Damage to symbolic space was found in dominant hemisphere injuries, while semiotic space was affected in subordinate hemisphere injuries.

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Area of Science:

  • Neuroscience
  • Cognitive Psychology
  • Neurolinguistics

Context:

  • Investigates cognitive processing in hemiplegic patients.
  • Examines interhemispheric transfer and simultaneous synthesis.
  • Utilizes semiotic and symbolic spaces as an exploratory method.

Purpose:

  • To explore the impact of dominant versus subordinate hemisphere damage on semiotic and symbolic processing.
  • To understand the relationship between brain hemisphere laterality and cognitive deficits in hemiplegia.
  • To identify specific patterns of cognitive impairment based on the affected hemisphere.

Summary:

  • Thirty-six hemiplegic patients were divided into groups based on dominant or subordinate hemisphere damage.
  • Scanner imaging assessed damage topography and parietal sensitive syndrome.

Related Experiment Videos

  • Significant damage to symbolic space was observed in dominant hemisphere affected patients.
  • Figurative semiotic space was most affected in subordinate hemisphere affected patients.

    • Impact:

    • Provides insights into hemispheric specialization for distinct cognitive functions.
    • Highlights the differential impact of brain lesions on semiotic and symbolic processing.
    • Informs potential therapeutic strategies for hemiplegic patients by understanding lesion-specific deficits.