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Is there a cognitive impairment in MND? A survey with longitudinal data
E Capitani1, S Della Sala, C Marchetti
1Third Neurological Department, the University, Milano, S. Paolo Hospital, Italy.
Schweizer Archiv Fur Neurologie Und Psychiatrie (Zurich, Switzerland : 1985)
|January 1, 1994
Summary
Motor neuron disease (MND) patients show no cognitive decline. A study found their logical non-verbal intelligence scores were similar to controls and remained stable over time, suggesting no systematic cognitive impairment.
Area of Science:
- Neurology
- Cognitive Science
- Neuroscience
Background:
- Motor neuron disease (MND) is a progressive neurodegenerative disorder.
- Cognitive function in MND is not fully understood, with varying reports.
- Non-verbal intelligence tests are crucial for assessing patients with motor impairments.
Purpose of the Study:
- To investigate the cognitive performance of patients with motor neuron disease (MND).
- To determine if intellectual abilities decline over time in MND patients.
- To assess the evidence for systematic cognitive involvement in MND.
Main Methods:
- Utilized Raven Progressive Matrices, a non-verbal intelligence test, on 29 MND patients.
- Compared MND patient scores to a control group of 321 individuals.
- Retested 11 MND patients after a mean interval of 8.5 months to assess changes.
Main Results:
- The score distribution for MND patients did not significantly differ from the control group.
- Intellectual performance in the retested subgroup remained stable over the 8.5-month interval.
- No statistically significant worsening of cognitive scores was observed over time.
Conclusions:
- Findings suggest that systematic cognitive involvement may not be a universal feature of MND.
- The Raven Progressive Matrices test is a viable tool for assessing non-verbal intelligence in MND.
- Further research with diverse cognitive tests is warranted to fully elucidate cognitive profiles in MND.