Visual Function and Neuropsychological Profiling of Idiopathic Infantile Nystagmus

Autor: Federica Morelli, Guido Catalano, Ilaria Scognamillo, Nicolò Balzarotti, Antonella Luparia, Lucrezia Olivier, Chiara Bertone, Monica Gori, Sabrina Signorini
Jazyk: angličtina
Rok vydání: 2023
Předmět:
Zdroj: Brain Sciences, Vol 13, Iss 9, p 1348 (2023)
Druh dokumentu: article
ISSN: 2076-3425
DOI: 10.3390/brainsci13091348
Popis: Though considered a benign condition, idiopathic infantile nystagmus (IIN) may be associated with decreased visual acuity and oculo-motor abnormalities, resulting in developmental delays and poor academic performance. Nevertheless, the specific visual function profile of IIN and its possible impact on neuropsychological development have been poorly investigated. To fill this gap, we retrospectively collected the clinical data of 60 children presenting with IIN over a 10-year period (43 male; mean age of 7 years, range of 2 months-17 years, 9 months). The majority of the subjects in our cohort presented with reduced visual acuity for far distances and normal visual acuity for near distances, associated with oculo-motor abnormalities. The overall scores of cognitive and visual–cognitive tests were in the normal range, but revealed peculiar cognitive and visual–cognitive profiles, defined by specific frailties in processing speed and visual–motor integration. The same neuropsychological profiles characterize many neurodevelopmental disorders and may express a transnosographic vulnerability of the dorsal stream. As the first study to explore the neuropsychologic competencies in children with IIN, our study unveils the presence of subclinical frailties that need to be addressed to sustain academic and social inclusion.
Databáze: Directory of Open Access Journals
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