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Visual-spatial and visuomotor functioning in adults with neurofibromatosis type 1
J Castricum1,2,3, J H M Tulen2,3, W Taal3,4
1Department of Clinical Genetics, Erasmus Medical Center, Rotterdam, The Netherlands.
Journal of Intellectual Disability Research : JIDR
|January 10, 2023
Summary
Adults with neurofibromatosis type 1 (NF1) show visuomotor deficits, specifically in eye latency and hand accuracy, but not visual-spatial processing. These findings highlight potential impairments in motor control for adults with NF1.
Area of Science:
- Neuroscience
- Genetics
- Ophthalmology
Background:
- Neurofibromatosis type 1 (NF1) is a genetic disorder impacting neurodevelopment.
- NF1 is associated with visual-spatial and visuomotor deficits, though less studied in adults.
Purpose of the Study:
- To investigate visual-spatial and visuomotor functioning in adults with NF1.
- To compare visuomotor and visual-spatial performance between adults with NF1 and healthy controls.
Main Methods:
- Assessed visuomotor functioning in 22 adults with NF1 and 31 controls using eye latency, hand latency, and hand accuracy.
- Evaluated visual-spatial functioning via eye movement responses during the Visual Threshold Task.
Main Results:
- Adults with NF1 exhibited significantly shorter eye latency compared to controls.
- The NF1 group demonstrated reduced hand accuracy in visuomotor tasks.
- No significant differences were found in visual-spatial processing or hand latency between groups.
Conclusions:
- Unlike in children, adults with NF1 do not show alterations in visual-spatial processing.
- Deficits in eye latency and hand accuracy suggest impaired visuomotor functioning in adults with NF1.
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