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Multimedia Battery for Assessment of Cognitive and Basic Skills in Mathematics (BM-PROMA)
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Published on: August 28, 2021

Attention, automaticity, and developmental dyscalculia.

Sarit Ashkenazi1, Orly Rubinsten, Avishai Henik

  • 1Department of Psychology, Ben-Gurion University of the Negev,Beer-Sheva, Israel. ashkenas@bgu.ac.il

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|July 10, 2009
PubMed
Summary
This summary is machine-generated.

Individuals with developmental dyscalculia (DD) show unique numerical processing patterns. Cognitive load impacts attention and numerical processing differently in those with DD compared to controls.

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Area of Science:

  • Cognitive Psychology
  • Neurodevelopmental Disorders
  • Numerical Cognition

Background:

  • Developmental dyscalculia (DD) is characterized by difficulties in numerical processing.
  • Individuals with DD exhibit an atypical size congruity effect in numerical tasks.
  • Previous research shows a lack of facilitation in the numerical Stroop task for the DD group.

Purpose of the Study:

  • To investigate the impact of cognitive load on numerical processing in individuals with DD.
  • To compare the performance of DD and control groups under varying cognitive load conditions.
  • To explore the underlying cognitive mechanisms of facilitation and interference in numerical tasks.

Main Methods:

  • Participants (DD and control groups) completed a numerical Stroop task under no-load and cognitive load conditions.
  • The task involved comparing digits varying in physical size and numerical value.
  • Performance was assessed by measuring interference and facilitation effects.

Main Results:

  • Cognitive load eliminated facilitation and increased interference in the control group.
  • Cognitive load increased interference in the DD group, specifically in the physical task.
  • The DD group consistently showed a lack of facilitation in the physical task, even without load.

Conclusions:

  • Cognitive load affects facilitation and interference differently, suggesting distinct underlying mechanisms.
  • The results suggest that individuals with DD may have difficulties recruiting attention, in addition to numerical processing deficits.
  • Cognitive load can induce a DD-like pattern in controls, highlighting the role of attentional resources.