Sleep quality and cognitive function in healthy old age: The moderating role of subclinical depression.

• DOI: 10.1037/a0030033
• Publication Date: 2012-09-17T17:14:39Z
• Authors: Christine Sutter; Jacqueline Zöllig; Mathias Allemand; Mike Martin
• Keywords: Subclinical infection; Depression; Sleep

Previous research has yielded inconclusive results on the relationship between self-reported sleep quality and cognitive performance in healthy old age. Discrepant findings have been reported regarding processing speed attention, executive functions, episodic memory. However, also found to be related patients with depression. Our aim was clarify older adults, evaluate moderating role of subclinical depression this relationship.The Pittsburgh Sleep Quality Index used assess subjective 107 participants (age ≥ 61 years). A broad battery neuropsychological tests measured basic processes, memory processes.Subclinical moderated link performance. More precisely, poorer associated lower reasoning, semantic fluency, shifting those high versus low levels depression.Our suggest that poor might affect higher order particularly reporting Findings relationships quality, functioning, depressive symptomatology are discussed relation neurobehavioral theories sleep.