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Dual-Task Stroop Paradigm for Detecting Cognitive Deficits in High-Functioning Stroke Patients
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Differences in awareness between persons with left and right hemispheric stroke.

Anders Kottorp1, Lisa Ekstam, Ingela Petersson Lie

  • 1Department of Neurobiology, Care Sciences and Society, Division of Occupational Therapy, Karolinska Institutet, Stockholm, Sweden. Anders.kottorp@ki.se

Scandinavian Journal of Occupational Therapy
|September 4, 2012
PubMed
Summary

Individuals with right hemispheric stroke show reduced awareness of limitations in specific daily living skills compared to those with left hemispheric stroke. This impacts their ability to recognize performance deficits.

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Area of Science:

  • Neurorehabilitation
  • Stroke recovery
  • Cognitive assessment

Background:

  • Stroke affects brain hemispheres differently, potentially influencing cognitive functions like self-awareness.
  • Understanding awareness of ability is crucial for effective rehabilitation and patient outcomes after stroke.

Purpose of the Study:

  • To compare awareness of ability between patients with left hemispheric stroke and right hemispheric stroke.
  • To identify specific areas where awareness deficits may differ based on stroke location.

Main Methods:

  • Utilized data from the Assessment of Awareness of Ability (A³) database, including 183 stroke patients (78 left, 105 right).
  • Assessed awareness of ability using the A³ tool.
  • Employed t-tests, confidence intervals, effect size, and differential item functioning to analyze differences.

Main Results:

  • No significant overall difference in awareness of ability was found between left and right hemispheric stroke groups.
  • Significant differences were observed on three specific A³ items, indicating more limited awareness in the right hemispheric stroke group.
  • Right hemispheric stroke patients demonstrated poorer insight into specific limitations in activities of daily living (ADL) performance.

Conclusions:

  • Right hemispheric stroke is associated with more significant deficits in recognizing limitations in specific ADL performance skills.
  • These findings highlight the importance of tailored assessments for awareness of ability based on stroke laterality.