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Neurocognitive functioning in adults with neurofibromatosis type 1- a nationwide population-based study
Karoline Doser1, Jens Richardt Møllegaard Jepsen2,3, Line Kenborg4
1Psychological Aspects of Cancer, Danish Cancer Institute, Strandboulevarden 49, Copenhagen, 2100, Denmark.
Adults with Neurofibromatosis type 1 (NF1) experience significant cognitive impairments in intelligence and attention. However, functions like multitasking remain unaffected, suggesting selective cognitive deficits in NF1.
Area of Science:
- Neuroscience
- Genetics
- Psychology
Background:
- Neurofibromatosis type 1 (NF1) is a genetic disorder with known somatic effects, but adult cognitive impairments are under-researched.
- This study addresses the gap in understanding adult cognitive function in NF1.
Purpose of the Study:
- To characterize neurocognitive function in adults with NF1.
- To compare cognitive performance in NF1 patients against a control group.
Main Methods:
- A nationwide, population-based study involving 103 adults with NF1 and 38 controls.
- Comprehensive neuropsychological testing battery assessing intelligence, memory, attention, executive functions, and reaction time.
- Statistical analysis including MANOVA and repeated measures ANOVA.
Main Results:
- Significant, moderate-to-severe impairments were observed in intelligence, visual short-term memory, immediate visuospatial recall, and sustained attention in adults with NF1.
- Certain executive functions showed significant deficits, while others, including multitasking and reaction time, were unimpaired.
- No significant differences were found in motor speed, planning efficacy, or self-reported executive functions.
Conclusions:
- This population-based study confirms cognitive impairments in adults with NF1, including intelligence and attention deficits.
- The findings suggest a pattern of selective cognitive deficits rather than generalized impairment in NF1.
- Further research into the specific cognitive profile of NF1 is warranted.
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