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Executive dysfunction in late-onset depression
Marko Pisljar1, Z Pirtosek, G Repovs
1Psychiatric Hospital Idrija, Pot sv. Antona 49, SI-5280 Idrija, Slovenia. marko.pisljar@amis.net
Psychiatria Danubina
|July 1, 2008
Summary
Elderly individuals with late-onset depression exhibit executive dysfunction, impacting cognitive processes like planning and attention. This study confirms these executive function changes in older adults with depression.
Area of Science:
- Geriatric Psychiatry
- Neuropsychology
- Cognitive Science
Background:
- Late-onset depression in the elderly often co-occurs with cognitive impairment.
- Executive dysfunction, including issues with planning and organization, is a noted feature of geriatric depression.
- Executive dysfunction is linked to relapse and persistent symptoms in older adults with major depression.
Purpose of the Study:
- To assess executive functioning deficits in elderly patients diagnosed with late-onset depression.
- To compare the executive performance of depressed older adults with age-matched healthy controls.
Main Methods:
- Utilized the computer version of the Stroop Color-Word test for detailed reaction time analysis.
- Assessed executive functioning in patients with late-onset depression and age-matched healthy volunteers.
- Measured depression severity using the Hamilton Depression Rating Scale and Geriatric Depression Scale.
Main Results:
- Preliminary findings indicate increased absolute reaction times in the Stroop test for patients with late-onset depression.
- Observed significant differences in interference effects, suggesting altered attentional processes in depressed elderly individuals.
- Confirmed characteristic changes in executive functions among elderly patients with depression.
Conclusions:
- Preliminary results support the presence of executive function changes in elderly individuals with late-onset depression.
- The study highlights differences in cognitive processing, specifically attention, between depressed older adults and healthy controls.
- These findings underscore the cognitive impact of depression in the geriatric population.
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