Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

Ecological Disturbance02:26

Ecological Disturbance

21.1K
An ecological disturbance is a temporary disruption in the environment resulting from abiotic, biotic, or anthropogenic factors, causing a pronounced change in an ecosystem. The impact of an ecological disturbance, which can depend on its intensity, frequency, and spatial distribution, plays a significant role in shaping the species diversity within the ecosystem.
21.1K
Cognitive Dissonance01:38

Cognitive Dissonance

37.5K
Social psychologists have documented that feeling good about ourselves and maintaining positive self-esteem is a powerful motivator of human behavior (Tavris & Aronson, 2008). In the United States, members of the predominant culture typically think very highly of themselves and view themselves as good people who are above average on many desirable traits (Ehrlinger, Gilovich, & Ross, 2005). Often, our behavior, attitudes, and beliefs are affected when we experience a threat to our...
37.5K
Disturbances in Heart Rhythm01:29

Disturbances in Heart Rhythm

3.0K
Arrhythmia or dysrhythmia refers to an abnormal heart rhythm caused by a defect in the heart's conduction system. It can cause the heart to beat irregularly, too quickly, or too slowly, leading to symptoms like chest pain, shortness of breath, and fainting. Factors such as stress, caffeine, alcohol, nicotine, cocaine, certain drugs, congenital defects, diseases, and electrolyte abnormalities can trigger arrhythmias.
Arrhythmias are categorized by their speed, rhythm, and origin. A slow heart...
3.0K
Insufficient Sleep and Sleep Deprivation01:13

Insufficient Sleep and Sleep Deprivation

942
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...
942
Stages of Sleep01:22

Stages of Sleep

1.5K
Sleep progresses through distinct stages, each characterized by specific brain wave patterns and physiological responses ranging from wakefulness to stages of non-rapid eye movement, known as non-REM, to rapid eye movement, referred to as REM. Understanding these stages helps in recognizing how sleep supports various bodily and cognitive functions.
Before sleep begins, in wakefulness, the brain exhibits primarily beta waves, which are high in frequency and low in amplitude, indicating alertness...
1.5K
Understanding Sleep01:11

Understanding Sleep

1.6K
Sleep, an essential biological state, involves significant reductions in physical activity, sensory awareness, and interaction with the environment. This complex physiological process is primarily regulated by specific brain regions, notably the hypothalamus and pons, which govern the sleep-wake cycle or circadian rhythm.
The circadian rhythm, a nearly 24-hour cycle, is deeply influenced by environmental light cues. Light exposure directly affects the hypothalamus, which in turn regulates...
1.6K

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Brain magnetic resonance imaging biomarkers for future frailty; sub-study of FINGER trial.

Alzheimer's & dementia : the journal of the Alzheimer's Association·2026
Same author

Associations of cortisol with Alzheimer's disease fluid and neuroimaging biomarkers: A systematic review.

Frontiers in neuroendocrinology·2026
Same author

Preparing for the implementation of anti-amyloid therapies in Europe: Assessing real-world eligibility for lecanemab and donanemab in a Swedish memory clinic.

The journal of prevention of Alzheimer's disease·2026
Same author

Preserved muscle function as a protective factor against cognitive decline: Longitudinal results from the FINGER study.

Alzheimer's & dementia : the journal of the Alzheimer's Association·2026
Same author

Dementia Care Research and Psychosocial Factors.

Alzheimer's & dementia : the journal of the Alzheimer's Association·2025
Same author

"This also matters to me": what does adherence to dementia risk reduction interventions mean to members of the public?

Aging clinical and experimental research·2025

Related Experiment Video

Updated: Feb 5, 2026

Author Spotlight: Unveiling the Connection Between Sleep Disorders and Cognitive Symptoms in Depression
04:33

Author Spotlight: Unveiling the Connection Between Sleep Disorders and Cognitive Symptoms in Depression

Published on: April 26, 2024

1.5K

Sleep disturbances and later cognitive status: a multi-centre study.

Shireen Sindi1, Lena Johansson2, Johan Skoog3

  • 1Aging Research Center, Department of Neurobiology, Care Sciences and Society, Karolinska Institutet and Stockholm University, Stockholm, Sweden; Division of Clinical Geriatrics, Center for Alzheimer Research, Karolinska Institutet, Stockholm, Sweden; Neuroepidemiology and Ageing Research Unit, School of Public Health, Imperial College London, London, United Kingdom.

Sleep Medicine
|September 15, 2018
PubMed
Summary

Sleep disturbances in midlife, particularly nightmares and insomnia, are linked to poorer cognitive function later in life. These findings highlight the importance of addressing sleep issues for long-term brain health.

Keywords:
CognitionCognitive statusInsomniaNightmaresSleep disturbances

More Related Videos

Multi-Modal Home Sleep Monitoring in Older Adults
07:40

Multi-Modal Home Sleep Monitoring in Older Adults

Published on: January 26, 2019

8.3K
A High-performance Liquid Chromatography Measurement of Kynurenine and Kynurenic Acid: Relating Biochemistry to Cognition and Sleep in Rats
07:04

A High-performance Liquid Chromatography Measurement of Kynurenine and Kynurenic Acid: Relating Biochemistry to Cognition and Sleep in Rats

Published on: August 19, 2018

11.0K

Related Experiment Videos

Last Updated: Feb 5, 2026

Author Spotlight: Unveiling the Connection Between Sleep Disorders and Cognitive Symptoms in Depression
04:33

Author Spotlight: Unveiling the Connection Between Sleep Disorders and Cognitive Symptoms in Depression

Published on: April 26, 2024

1.5K
Multi-Modal Home Sleep Monitoring in Older Adults
07:40

Multi-Modal Home Sleep Monitoring in Older Adults

Published on: January 26, 2019

8.3K
A High-performance Liquid Chromatography Measurement of Kynurenine and Kynurenic Acid: Relating Biochemistry to Cognition and Sleep in Rats
07:04

A High-performance Liquid Chromatography Measurement of Kynurenine and Kynurenic Acid: Relating Biochemistry to Cognition and Sleep in Rats

Published on: August 19, 2018

11.0K

Area of Science:

  • Neuroscience
  • Gerontology
  • Sleep Medicine

Background:

  • Sleep disturbances are common in aging populations and may impact cognitive health.
  • Understanding the long-term effects of sleep problems across different life stages is crucial for preventative strategies.

Purpose of the Study:

  • To examine the association between sleep disturbances in midlife and late life with cognitive status in older adults.
  • To determine if midlife sleep issues predict late-life cognitive decline.

Main Methods:

  • Utilized data from four population-based studies (Swedish and Finnish cohorts) with a total of 3210 participants.
  • Assessed late-life sleep (insomnia, nightmares, general problems) and cognitive status (Mini Mental State Exam - MMSE).
  • Employed ordered logistic regressions, adjusting for confounders, to analyze associations between midlife/late-life sleep and late-life cognition.

Main Results:

  • Late-life sleep disturbances were significantly associated with poorer cognitive scores (MMSE) 3-11 years later.
  • Midlife nightmares and insomnia were linked to lower late-life MMSE scores.
  • Midlife general sleep problems did not show a significant association with late-life cognitive performance.

Conclusions:

  • Sleep disturbances, especially nightmares and insomnia experienced in midlife, are associated with diminished cognitive function in later life.
  • These findings suggest that early-life sleep issues may serve as a predictor for cognitive decline in old age.