Objective: We aimed to determine in this initial study whether the MoCA test was a sensitive indicator of cognitive improvement following introduction of CPAP in community memory clinic (CMC) patients who had been diagnosed with sleep apnea (SA). Method: Twelve CPAP compliant CMC patients (75% male; 92% Caucasian-Nonhispanic) with a diagnosis of SA (66-81 years (M = 74.83(4.28)) completed a MoCA before initiation of treatment and again 6-8 months later (M = 218.17(30.75) days). CPAP compliance was documented through clinical interview with patient and family member during subsequent medical visits. Eleven CPAP non-compliant CMC patients (82% male, 100% Caucasian-Nonhispanic; 66-90 years (M = 76.36(7.37)) similarly diagnosed with SA completed MoCAs at similar time intervals (M = 197.55 (42.48) days). CMC diagnoses of the patients included: no cognitive impairment, Alzheimer's disease, mild cognitive impairment, cognitive disorder NOS, and mixed dementia. Results: Post-treatment MoCA scores for CPAP compliant group (M = 22.4)...

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