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Categorization in different modalities as cognitive processes impairment indicator in children with developmental learning disorder

Published online by Cambridge University Press:  26 August 2025

A. M. Bukinich ,
G. D. Vzorin  and
A. M. Konovalova
A. M. Bukinich*
Affiliation:
Faculty of Psychology, Lomonosov Moscow State University
G. D. Vzorin
Affiliation:
Faculty of Psychology, Lomonosov Moscow State University
A. M. Konovalova
Affiliation:
Faculty of Psychology, Lomonosov Moscow State University Department of Pedagogy and Medical Psychology, Sechenov University, Moscow, Russian Federation
*
*Corresponding author.

Abstract

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Introduction

Categorization is one of the main processes representing human thinking. There is plenty of categorization study methods, but none use the same methodology to study categorization in different modalities. Notably, it is hard to compare results of such categorization directly due to the different category familiarity degree. For example, visual forms and number of visual stimuli are more familiar than number of syllables, plural or singular word form. However, it is possible to compare quality (type) of categorization errors in different modalities considering the relation to different cognitive processes.

Objectives

To explore the categorization errors in visual and verbal modalities.

Methods

A special task inspired by Bruner concept formation study was used. 49 children with developmental learning disorder had to recognize common features in series of visual or verbal stimuli (5 series of 30 stimuli in each modality).

Results

15 error types were identified in both visual and verbal modalities indicating the impairment of working memory, executive control, nominative processes, cognitive speed and categorization level.

Conclusions

Studying types of categorization errors may indicate the cognitive processes impairment and helps to clarify the relation between categorization and modality of input information.

Disclosure of Interest

None Declared

Information

Type
Abstract
Information
European Psychiatry , Volume 68 , Special Issue S1: Abstracts of the 33rd European Congress of Psychiatry , April 2025 , pp. S763
Creative Commons
Creative Common License - CCCreative Common License - BY
This is an Open Access article, distributed under the terms of the Creative Commons Attribution licence (https://creativecommons.org/licenses/by/4.0/), which permits unrestricted re-use, distribution, and reproduction in any medium, provided the original work is properly cited.
Copyright
© The Author(s), 2025. Published by Cambridge University Press on behalf of European Psychiatric Association
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