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Related Experiment Video

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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

Spatial and numerical processing in children with non-verbal learning disabilities.

Virginie Crollen¹, Camille Vanderclausen¹, Florence Allaire²

¹Institut de Recherche en Sciences Psychologiques (IPSY), Centre de Neuroscience Système et Cognition (NeuroCS), Université Catholique de Louvain, Place Cardinal Mercier 10, B-1348 Louvain-la-Neuve, Belgium.

Research in Developmental Disabilities

|September 1, 2015

Summary

This summary is machine-generated.

Children with non-verbal learning disabilities (NVLD) show reduced accuracy in spatial and numerical tasks. NVLD impacts the mental number line, decreasing its precision and left-to-right orientation.

Keywords:

Non-verbal learning disability Numerical cognition Spatial representation

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Area of Science:

Cognitive Psychology
Neuroscience
Developmental Psychology

Background:

Spatial and numerical processing are interconnected cognitive functions.
Non-verbal learning disabilities (NVLD) may impact these interconnected processes.
Understanding these impacts is crucial for educational and therapeutic interventions.

Purpose of the Study:

To investigate the effects of NVLD on spatial and numerical processing.
To examine how NVLD influences the mental number line representation.
To compare performance between children with NVLD and typically developing controls.

Main Methods:

A cohort of 15 children with NVLD and 15 controls participated.
Participants completed spatial tasks (line bisection, Simon task) and numerical tasks (number bisection, number-to-position, numerical comparison).
Performance was assessed via accuracy scores and analysis of specific cognitive effects (e.g., SNARC effect).

Main Results:

Children with NVLD exhibited lower accuracy across all spatial and numerical tasks compared to controls.
Both groups showed similar pseudo-neglect and Simon effects.
The standard SNARC effect was present in controls but absent in the NVLD group during numerical comparison tasks.

Conclusions:

NVLD significantly impairs the accuracy of spatial and numerical cognition.
The mental number line in children with NVLD is less precise and lacks the typical left-to-right orientation.
These findings highlight specific cognitive deficits associated with NVLD in number-space interactions.