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Gender differences in language of AD patients: a longitudinal study
D N Ripich1, S A Petrill, P J Whitehouse
1Department of Communication Sciences, Case Western Reserve University, Cleveland, OH 44106.
Neurology
|February 1, 1995
Summary
Women with Alzheimer's disease (AD) show more severe language impairments than men, with differences persisting over time. Both genders experience language decline, but women's abilities are more impacted throughout the disease progression.
Area of Science:
- Neurology
- Psycholinguistics
- Gerontology
Background:
- Alzheimer's disease (AD) is a neurodegenerative disorder impacting cognitive functions, including language.
- Understanding gender-specific differences in language decline in AD is crucial for diagnosis and care.
- Previous research has yielded mixed results regarding gender disparities in AD-related language deficits.
Purpose of the Study:
- To investigate gender differences in language abilities among early-stage Alzheimer's disease patients.
- To analyze longitudinal changes in language measures over 18 months.
- To compare language performance between genders in normal elderly individuals.
Main Methods:
- Longitudinal study of 60 early AD patients (29 men, 31 women) and a normal elderly (NE) comparison group.
- Assessment of language measures including Boston Naming Test (BNT), Peabody Picture Vocabulary Test-Revised (PPVT-R), Word Fluency Test, Token Test, and Reporter's Test at baseline and 18 months.
- Statistical analysis to identify gender and time effects, controlling for age, education, and illness duration.
Main Results:
- Significant gender differences were observed at baseline for BNT and PPVT-R in AD patients.
- Longitudinal analysis revealed persistent gender differences in BNT and PPVT-R scores.
- All AD subjects showed a downward trend in language measures over time, with women exhibiting more severe impairments.
- No significant gender or time differences were found in the NE group.
Conclusions:
- Language abilities are progressively affected in Alzheimer's disease for both genders.
- While decline rates are similar, women with AD experience more severe language impairments across all time points.
- These findings highlight the need for gender-sensitive approaches in Alzheimer's disease assessment and management.