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Attentional Mechanisms in SCD
Sponsor: Vanderbilt University Medical Center
Summary
This study will use an anticholinergic pharmacological probe to examine attention network function in SCD using EEG. The overall hypothesis is that in older adults with SCD, normal cognitive performance is maintained by compensatory attention network activity, supported by enhanced cholinergic function. The investigators anticipate that SCD will be associated with greater compensatory attention network activity and that disrupting this compensatory process through anticholinergic challenge will result in a greater negative effect on attentional performance (Attention Network Test, ANT) and attention network functioning (EEG) in older adults with greater subjective cognitive concern.
Official title: Attentional Mechanisms of Cognitive Compensation in Subjective Cognitive Decline
Key Details
Gender
All
Age Range
55 Years - Any
Study Type
INTERVENTIONAL
Enrollment
80
Start Date
2025-03-27
Completion Date
2028-06-30
Last Updated
2025-06-24
Healthy Volunteers
Yes
Conditions
Interventions
Mecamylamine Challenge
Mecamylamine 20 mg oral pill administered once
Placebo Comparator Challenge
Matching placebo oral pill administered once
Locations (1)
Vanderbilt University Medical Center
Nashville, Tennessee, United States