Cited by 73Reading and Literacy DevelopmentFace Recognition and PerceptionDevelopmental and Educational Neuropsychology

Impaired recognition of faces and objects in dyslexia: Evidence for ventral stream dysfunction?

Sigurdardottir, Heida Maria, Ívarsson, Eysteinn, Kristinsdóttir, Kristjana, Kristjánsson, Árni·2015·Neuropsychology

Abstract

OBJECTIVE: The objective of this study was to establish whether or not dyslexics are impaired at the recognition of faces and other complex nonword visual objects. This would be expected based on a meta-analysis revealing that children and adult dyslexics show functional abnormalities within the left fusiform gyrus, a brain region high up in the ventral visual stream, which is thought to support the recognition of words, faces, and other objects. METHOD: 20 adult dyslexics (M = 29 years) and 20 matched typical readers (M = 29 years) participated in the study. One dyslexic-typical reader pair was excluded based on Adult Reading History Questionnaire scores and IS-FORM reading scores. Performance was measured on 3 high-level visual processing tasks: the Cambridge Face Memory Test, the Vanderbilt Holistic Face Processing Test, and the Vanderbilt Expertise Test. RESULTS: People with dyslexia are impaired in their recognition of faces and other visually complex objects. Their holistic processing of faces appears to be intact, suggesting that dyslexics may instead be specifically impaired at part-based processing of visual objects. CONCLUSIONS: The difficulty that people with dyslexia experience with reading might be the most salient manifestation of a more general high-level visual deficit.

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Crossref · 10.1037/neu0000188

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  • Striem-Amit et al. (2012b) found VWFA was activated in the blind when they processed letter soundscapes, following a 2 h training session.

    “The Visual Form Word Area (VWFA; Cohen et al., 2000; Sigurdardottir et al., 2015) was activated in the blind when they processed letter soundscapes, following a 2 h training session (see also Reich et al., 2011).”

    From Designing sensory-substitution devices: Principles, pitfalls and potential1 (2016) · cites this paper as Sigurdardottir et al., 2015

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Authors
Sigurdardottir, H. M., Ívarsson, E., Kristinsdóttir, K., & Kristjánsson, Á.
Affiliations
University of Iceland (IS)
Venue
Neuropsychology
Published
2015
Volume
29
Issue
5
Pages
739-750
ISSN
  • 0894-4105 (ISSN-L)
  • 1931-1559
OpenAlex
W2090883742
Cited by
73
References
90
Citations by year
2026: 3 · 2025: 5 · 2024: 6 · 2023: 9 · 2022: 8 · 2021: 12 · 2020: 7 · 2019: 9 · 2018: 5 · 2017: 6 · 2016: 3
FWCI
11.75
Type
journal article
Language
en
Open access
closed
Locations
  • Neuropsychology (publishedVersion)
  • PubMed (publishedVersion)
Funders
University of Iceland
Topics
  • Social Sciences › Psychology › Developmental and Educational Psychology › Reading and Literacy Development
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Face Recognition and Perception
  • Social Sciences › Psychology › Neuropsychology and Physiological Psychology › Developmental and Educational Neuropsychology
Keywords
dyslexia, face recognition (cognition), object recognition, ventral stream, fusiform gyrus, holistic face processing
MeSH terms
Facial Recognition, Adolescent, Adult, Color Perception, Dyslexia, Female, Form Perception, Humans, Male, Memory, Neuropsychological Tests, Psychomotor Performance, Surveys and Questionnaires, Reading, Temporal Lobe, Visual Pathways, Visual Perception, Recognition, Psychology, Young Adult

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