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Related Concept Videos

Sleep Apnea01:21

Sleep Apnea

Sleep apnea is a condition where breathing stops intermittently during sleep, often leading to significant health issues. Each episode can last from 10 to 20 seconds or more and is frequently accompanied by a brief arousal from sleep. This disturbance, largely unnoticed by the individual, can lead to severe daytime fatigue. Commonly, individuals seek help after being informed by their partners about loud snoring and noticeable breathing pauses during sleep.
The condition is more prevalent among...
Alzheimer Disease l: Introduction01:29

Alzheimer Disease l: Introduction

Alzheimer disease is a chronic, progressive, and irreversible neurodegenerative disorder and the most common cause of dementia in older adults. It leads to gradual neuronal loss, causing cognitive decline, behavioral changes, and loss of functional independence.Risk Factors and EtiologyThe disease is multifactorial. Age is the strongest risk factor, with prevalence doubling every 5 years after age 65. Genetic factors include mutations in genes such as APP, PSEN1, and PSEN2, which are associated...
Cognitive Development During Adulthood01:30

Cognitive Development During Adulthood

Cognitive development continues throughout adulthood, undergoing significant shifts across early, middle, and late stages. Individual transition occurs from adolescent idealism to pragmatic and adaptable thinking in early adulthood. During this period, individuals learn to integrate personal beliefs with the recognition that other perspectives are equally valid. Exposure to the complexities of modern society, diverse experiences, and higher education contribute to this adaptive thought process,...
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Alzheimer's Disease: Overview

Alzheimer's Disease (AD) is a continually advancing neurodegenerative disorder, distinguished by escalating memory loss, cognitive dysfunction, and dementia. The disease unfolds in three stages: preclinical, mild cognitive impairment (MCI), and dementia. Its onset is insidious, and the progression gradual, with the cause not well explained by other disorders.
The clinical diagnosis of AD hinges on the presence of memory and other cognitive impairments. Biomarkers, such as changes in Aβ and tau...
Dementia l: Introduction01:22

Dementia l: Introduction

Dementia is an acquired, progressive syndrome characterized by a decline in multiple cognitive domains severe enough to impair daily functioning and reduce independence. Although memory loss is a central feature, the diagnosis requires additional deficits involving language, executive function, visuospatial skills, judgment, calculation, or abstract reasoning. These cognitive impairments reflect underlying neurodegenerative or vascular processes that gradually disrupt neuronal networks...
Insufficient Sleep and Sleep Deprivation01:13

Insufficient Sleep and Sleep Deprivation

Insufficient sleep refers to not getting the recommended amount of sleep for optimal functioning, even if it's just slightly less than needed. Sleep insufficiency may occur due to lifestyle choices, such as staying up late for social events or work, resulting in routinely getting less sleep than required. For example, consistently sleeping 6 hours when the body needs 7-9 hours can lead to cumulative effects on health and well-being.
Sleep deprivation is a more severe form of sleep loss...

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Related Experiment Video

Updated: Jul 15, 2026

A Chronic Sleep Fragmentation Model using Vibrating Orbital Rotor to Induce Cognitive Deficit and Anxiety-Like Behavior in Young Wild-Type Mice
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Untreated obstructive sleep apnea and accelerated cognitive decline over 10 years.

Christopher N Kaufmann1, Jennifer S Albrecht2, Vishaldeep Kaur Sekhon3,4

  • 1Department of Health Outcomes and Biomedical Informatics, University of Florida College of Medicine, Gainesville, Florida, USA.

Alzheimer'S & Dementia : the Journal of the Alzheimer'S Association
|July 14, 2026
PubMed
Summary

Continuous positive airway pressure (CPAP) treatment may slow cognitive decline in older adults with obstructive sleep apnea (OSA). Longer follow-up suggests CPAP use is associated with a slower rate of cognitive decline over time.

Keywords:
cognitive declinecontinuous positive airway pressureobstructive sleep apnea

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Area of Science:

  • Gerontology
  • Neurology
  • Sleep Medicine

Background:

  • Obstructive sleep apnea (OSA) is linked to cognitive decline.
  • Short-term studies show minimal cognitive benefits from continuous positive airway pressure (CPAP) treatment for OSA.
  • The impact of long-term CPAP use on cognitive trajectories in older adults remains under investigation.

Purpose of the Study:

  • To investigate the association between long-term CPAP use and cognitive decline in older adults with OSA.
  • To determine if extended follow-up reveals significant cognitive differences in OSA patients treated with CPAP.

Main Methods:

  • Analysis of 777 participants from the National Health and Aging Trends Study (NHATS) with OSA and no baseline cognitive impairment.
  • CPAP treatment identified via Medicare claims.
  • Cognitive trajectories (2011-2021) estimated using factor scores from annual assessments and compared using generalized linear mixed models.

Main Results:

  • Cognitive performance declined across the study period.
  • CPAP-treated participants showed an annual decline of -0.03 SD units.
  • Untreated participants experienced a 69% faster rate of cognitive decline compared to treated individuals.

Conclusions:

  • Long-term continuous positive airway pressure therapy may mitigate cognitive decline in older adults diagnosed with obstructive sleep apnea.
  • Findings suggest a potential neuroprotective effect of sustained CPAP adherence.