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Regression-based normative data for Corsi Span and Supraspan learning and recall among Italian adults
Alessio Facchin1,2,3, Sara Pegoraro4,5, Mattia Rigoli6
1Deparment of Medical and Surgical Sciences, Magna Graecia University, Via Europa, Catanzaro, 88100, Italy. alessio.facchin@unicz.it.
Introduction:
The Corsi Block Tapping Test, or Corsi Span (CS), is a widely used task to measure visuospatial short-term and working memory. The same setup can be used to administer the Corsi SupraSpan Learning (CSSL) and Recall (CSSR), tests assessing visuospatial long-term memory. While the CS has relatively recent normative data, those of the CSSL are outdated For CSSR, no normative data are available. Given this critical lack, our study aimed to provide updated norms for CS, CSSL, and specifically for the recall delayed phase (CSSR).
Materials And Methods:
A sample of 340 healthy participants, aged between 20 and 89, took part in the study. Norms were developed using a regression approach and defined using rank equivalent scores and percentiles.
Results:
Age and education influenced Corsi's Span, while SupraSpan Learning and Recall were influenced by age, education, and span. The comparison with previous norms for Span and SupraSpan Learning shows a high level of agreement.
Conclusions:
This study provides integrated norms to evaluate visuospatial memory in all aspects of immediate recall, long-term learning and delayed recall. Its use is needed to assess specific neuropsychological deficits, dissociate visuospatial versus verbal memory deficits and allow the evaluation of memory in patients with limited verbal abilities.
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