Balance and motor coordination are not fully developed in 7-year-old blind children

Andréa Sanchez Navarro1, Marcia Maiumi Fukujima, Sissy Veloso Fontes

  • 1Universidade Bandeirante de São Paulo, São Paulo, SP, Brazil. andreasn@uol.com.br

Insights

Congenitally visually impaired children exhibit challenges in body and spatial recognition. This neuro-psychomotor development study found significant impairments in balance and coordination for blind children compared to sighted peers.

Area of Science:

  • Developmental Psychology
  • Neuroscience
  • Pediatrics

Background:

  • Visually impaired children often face difficulties with body awareness, object recognition, and spatial understanding, crucial for independence.
  • Neuro-psychomotor development is essential for a child's overall growth and functional abilities.

Purpose of the Study:

  • To analyze and compare the neuro-psychomotor development of congenitally visually impaired children versus normally sighted children.
  • To identify specific areas of neuro-psychomotor function affected by visual impairment in early childhood.

Main Methods:

  • A comparative study involving two groups of seven-year-old children: 20 with congenital visual impairment and 20 with normal sight.
  • Neurological Evolution Examination (NEE) was used to assess neuro-psychomotor development, with blind children utilizing tactile guidance in some tests.
  • Participants were matched for age and gender to ensure comparability.

Main Results:

  • Visually impaired children demonstrated significantly poorer performance in tests assessing balance (p<0.001).
  • Appendage coordination was also significantly impaired in the blind group compared to the sighted control group (p<0.001).
  • These findings indicate a negative impact of visual deficiency on neuro-psychomotor development.

Conclusions:

  • Congenital visual impairment is associated with deficits in neuro-psychomotor development, particularly in balance and coordination.
  • Early identification and targeted interventions may be beneficial for visually impaired children to address these developmental challenges.
  • Further research could explore the long-term implications and specific neural mechanisms underlying these observed differences.