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Forward versus backward recall: Modality testing.

Eyal Heled^1,2

¹Department of Psychology, Ariel University, Ariel, Israel.

Applied Neuropsychology. Adult

|July 12, 2024

Summary

This summary is machine-generated.

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The Longest Sequence score better differentiates working memory components across tactile, verbal, and visuo-spatial modalities than Total Correct scores. Visuo-spatial tasks show the greatest difference between forward and backward recall.

Area of Science:

Cognitive Psychology
Neuroscience

Background:

Simple span tasks are common for assessing working memory (WM).
The utility of different span measures and their relation to WM modalities requires further investigation.

Purpose of the Study:

To determine which span measures best differentiate forward and backward recall across tactile, verbal, and visuo-spatial modalities.
To assess if WM modalities differ in the disparity between forward and backward recall performance.

Main Methods:

134 healthy young adults completed Tactual, Digit, and Visuo-spatial Span tasks.
Performance was measured using Total Correct scores and Longest Sequence scores.

Main Results:

An interaction effect showed better forward than backward recall across all modalities and measures.

Keywords:

Working memory digit span forward and backward recall span tasks tactual span visuo-spatial span

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The Longest Sequence score demonstrated a significantly larger effect size than the Total Correct score.

The Visuo-spatial Span task showed a greater difference between forward and backward recall compared to Digit and Tactual Span tasks.

Conclusions:

Forward and backward recall are distinguishable across all tested modalities.
The Longest Sequence score is more sensitive for differentiating WM storage and manipulation than the Total Correct score.
The visuo-spatial modality imposes the greatest cognitive demand for manipulation versus storage.