Objective executive functioning versus subjective cognitive efficiency: Which is more important to quality of life in individuals with obstructive sleep apnea?
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1
Dalhousie University, Canada
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2
Queen Elizabeth II Health Sciences Centre, Canada
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3
The University of Hong Kong, China
Introduction: Executive functions are crucial in purposive behaviors necessary in daily functioning, and are affected by a variety of health disorders; thus accurate assessment for diagnosis and treatment is crucial. This study examined the association of executive functions with self-perceived everyday functioning and quality of life. Methods: Thirty-seven individuals with obstructive sleep apnea and compliant to treatment with continuous positive airway pressure were compared with healthy controls on working memory and standardized executive function tasks and filled out questionnaires of self-perceived cognitive slips (Cognitive Failures Questionnaire, CFQ) and quality of life (Quebec Sleep Questionnaire, QSQ). Results: Compared to controls, the OSA group showed significant deficits on working memory tasks requiring the central executive (i.e., two-back task and working memory span) and executive function measures (i.e., Wisconsin Card Sorting Test and Stroop test). None of these measures correlated with CFQ and QSQ. On the contrary, CFQ was associated with QSQ. Discussion: While objective cognitive difficulties on working memory tasks and neuropsychological tests did not correlate with perceived everyday functioning and quality of life, subjective cognitive inefficiency was in turn associated with quality of life. This highlighted the importance of subjective perception of one’s cognitive function in self-evaluation of quality of life.
Conference:
The 20th Annual Rotman Research Institute Conference, The frontal lobes, Toronto, Canada, 22 Mar - 26 Mar, 2010.
Presentation Type:
Poster Presentation
Topic:
Neuropsychology
Citation:
Eskes
GA,
Lau
EY,
Morrison
DL,
Rajda
M and
Spurr
KF
(2010). Objective executive functioning versus subjective cognitive efficiency: Which is more important to quality of life in individuals with obstructive sleep apnea?.
Conference Abstract:
The 20th Annual Rotman Research Institute Conference, The frontal lobes.
doi: 10.3389/conf.fnins.2010.14.00164
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Received:
01 Jul 2010;
Published Online:
01 Jul 2010.
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Correspondence:
Esther Y Lau, The University of Hong Kong, Hong Kong, China, laueyy@eduhk.hk