Constructional dyspraxia in preterm diplegia: isolation from visual and visual perceptual impairments

T Koeda1, M Inoue, K Takeshita

  • 1Division of Child Neurology, Institute of Neurological Sciences, Tottori University Faculty of Medicine, Yonago, Japan.

Insights

Preterm children with spastic diplegia (SD) often have visual impairments, especially if they have strabismus. Many also exhibit constructional dyspraxia, a deficit potentially independent of visual problems.

Area of Science:

  • Neuroscience
  • Ophthalmology
  • Developmental Pediatrics

Background:

  • Spastic diplegia (SD) is a common form of cerebral palsy affecting preterm infants.
  • Visual and visuospatial deficits are frequently observed in children with SD.
  • Understanding these deficits is crucial for early intervention and support.

Purpose of the Study:

  • To assess ophthalmological status, visual perception, and constructional abilities in preterm children with SD.
  • To compare neuropsychological deficits in children with SD against a control group.
  • To investigate the relationship between visual impairments and constructional function in SD.

Main Methods:

  • Evaluated visual acuity, eye position, stereoacuity, and depth perception.
  • Assessed visual perception, visuo-spatial construction, and constructional praxis.
  • Compared findings between SD and control groups, with and without strabismus.

Main Results:

  • Children with SD and strabismus exhibited poorer visual acuity, stereoacuity, and depth perception.
  • Constructional dyspraxia was prevalent in 94.1% of children with SD, regardless of strabismus.
  • Visual acuity, eye position, stereoacuity, and depth perception did not significantly predict constructional dyspraxia.

Conclusions:

  • Preterm children with SD and strabismus are at significant risk for visual dysfunction.
  • Constructional dyspraxia is common in children with SD and may be an independent neuropsychological deficit.
  • These findings highlight the need for comprehensive neurodevelopmental and visual assessments in preterm SD.
Abstract

Related Concept Videos

Visual Agnosia01:12

Visual Agnosia

Visual agnosia is a condition characterized by the inability to recognize visually presented objects despite having normal vision. For instance, a person with visual agnosia can describe the shape and color of an object but cannot identify or name it. This impairment does not affect their visual field, acuity, color vision, brightness discrimination, language, or memory. An example of this condition in a social setting is someone at a dinner party asking for "that silver thing with a round end"...
Prosopagnosia01:24

Prosopagnosia

Prosopagnosia, also known as face blindness, is the inability to recognize faces. In severe cases, individuals with prosopagnosia may not recognize close family members, including parents and spouses, by their faces. For instance, someone with prosopagnosia might walk past their child in a crowd, only realizing their mistake upon noticing their child's distinctive backpack or favorite jacket. Prosopagnosia specifically impairs facial recognition, while the recognition of other objects or...
Learning Disabilities01:25

Learning Disabilities

Learning disabilities are cognitive disorders caused by neurological impairments that affect cognitive functions like language and reading, without indicating overall intellectual or developmental challenges. These disabilities differ from global intellectual or developmental disabilities as they are limited to distinct cognitive functions. Common learning disabilities include dysgraphia, dyslexia, and dyscalculia, each of which impacts unique aspects of learning.
Dyslexia
Dyslexia is a...