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The Corsi Block-Tapping Task: standardization and normative data.

R P Kessels1, M J van Zandvoort, A Postma

  • 1Psychological Laboratory, Utrecht University, Utrecht, The Netherlands. r.kessels@fss.uu.nl

Applied Neuropsychology
|April 12, 2001
PubMed
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The Corsi Block-Tapping Task provides a standardized method to assess visual memory span. This task effectively identifies visuospatial short-term memory deficits in patients with brain damage, showing sensitivity to lesion location.

Area of Science:

  • Neuroscience
  • Cognitive Psychology
  • Clinical Neuropsychology

Background:

  • The Corsi Block-Tapping Task is a common tool for evaluating visuospatial short-term memory.
  • Standardized administration and scoring are crucial for reliable clinical assessment.

Purpose of the Study:

  • To establish a standardized procedure for the Corsi Block-Tapping Task.
  • To determine the task's efficacy in assessing visuospatial memory in healthy individuals and patients with cerebral lesions.
  • To investigate the relationship between lesion location and performance on the task.

Main Methods:

  • A standardized administration and scoring protocol for the Corsi Block-Tapping Task was developed.
  • The protocol was applied to a cohort of 70 healthy participants and 70 patients with cerebral lesions.

Related Experiment Videos

  • Patients were categorized based on lesion laterality (left, right, bilateral) and location (subcortical).

    • Main Results:

    • Percentile distributions and cutoff points were established using control data.
    • Approximately 20% of patients exhibited borderline performance, and over 8% showed impaired performance.
    • Patients with right hemisphere lesions performed significantly worse than those with left hemisphere lesions.

    Conclusions:

    • The standardized Corsi Block-Tapping Task is a valid and reliable tool for assessing visuospatial short-term memory in brain-damaged populations.
    • The task demonstrates selectivity for lesion side, with right hemisphere damage leading to greater impairment.
    • This standardized method enhances the clinical utility of the Corsi Block-Tapping Task for neuropsychological evaluations.