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

Language and Cognition01:27

Language and Cognition

293
Language serves as a bridge between ideas and communication, influencing how individuals perceive and interact with the world. Psychologists have long debated whether language shapes thought or vice versa. This discussion gained grip with Edward Sapir and Benjamin Lee Whorf in the 1940s, who proposed that language determines thought, a concept known as linguistic determinism. They suggested that the vocabulary and structure of a language influence how its speakers think and perceive reality.
293
Cognitive Development During Adulthood01:30

Cognitive Development During Adulthood

29
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,...
29
Factors Affecting Activity Coefficient01:17

Factors Affecting Activity Coefficient

678
The extended Debye-Hückel equation indicates that the activity coefficient of an ion in an aqueous solution at 25°C depends on three partially interdependent properties: the ionic strength of the solution, the charge of the ion, and the ion size. 
The activity coefficient value for an ion is close to one when the solution has almost zero ionic strength, i.e., when the solution shows close to ideal behavior. As the ionic strength of the solution increases from 0 to 0.1 mol/L, a...
678
High-Level and Low-Level Awareness01:19

High-Level and Low-Level Awareness

226
Controlled processes in human consciousness represent high-alert mental states where individuals deliberately focus their attention on achieving specific goals. Controlled processes can be seen in situations like mastering new technology, where a person might become so absorbed that they ignore surrounding distractions. Such processes involve selective attention, requiring one to concentrate on particular elements of experience while disregarding others. These are governed by executive...
226
Lateralization01:28

Lateralization

268
Brain lateralization refers to the division of mental processes and functions between the two hemispheres of the brain, a phenomenon that optimizes neural efficiency and underpins complex abilities in humans. This specialization allows each hemisphere to perform tasks where it has a comparative advantage, facilitating more refined cognitive capabilities across different domains.
268
Information Processing Approach01:30

Information Processing Approach

19
The information-processing theory of cognitive development centers on fundamental mental processes, including attention, memory, and problem-solving skills. Researchers in this field examine how cognitive abilities, such as working memory, evolve and influence children's overall development. Studies indicate that children with stronger working memory tend to excel in reading comprehension, math, and problem-solving compared to peers with less efficient memory skills. Low working memory is...
19

You might also read

Related Articles

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

Sort by
Same author

Risk and protective factors for cognitive decline in older adults from a nationally representative sample in India: Results from the LASI-DAD.

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

Physical frailty, depression and multimorbidity among older adults in Lima, Peru: a cross-sectional study.

BMC geriatrics·2026
Same author

The association between lifetime marital histories and later-life cognitive function: Evidence from the United States and China.

The journals of gerontology. Series B, Psychological sciences and social sciences·2026
Same author

Development and validation of a harmonized memory score for multicenter Alzheimer's disease and related dementia research.

Alzheimer's research & therapy·2026
Same author

Impact of Sleep Quality on Gait Variability: Pilot Cohort Study.

JMIR aging·2026
Same author

Associations of accelerometry-derived time in major activity intensities with cognitive outcomes: a compositional data analysis approach.

The journals of gerontology. Series A, Biological sciences and medical sciences·2026
Same journal

Person-centered intervention response in primary progressive aphasia: A secondary analysis of the Communication Bridge-2 randomized clinical trial.

Alzheimer's & dementia (New York, N. Y.)·2026
Same journal

A combination of ketones and NAD<sup>+</sup> precursor preserves white matter integrity in mild cognitive impairment.

Alzheimer's & dementia (New York, N. Y.)·2026
Same journal

How well is messaging about the importance of vaccination for people living with dementia being communicated? A jurisdictional scan of National Immunization Technical Advisory Groups and dementia advocacy organizations.

Alzheimer's & dementia (New York, N. Y.)·2026
Same journal

A diagnostic plasma omics-biomarker for Alzheimer's disease informed by microglial single-cell transcriptomics: A pilot study.

Alzheimer's & dementia (New York, N. Y.)·2026
Same journal

Travel barriers to amyloid-targeting infusion access among older adults.

Alzheimer's & dementia (New York, N. Y.)·2026
Same journal

Simulation of long-term lecanemab treatment effect on Alzheimer's disease progression.

Alzheimer's & dementia (New York, N. Y.)·2026
See all related articles

Related Experiment Video

Updated: May 13, 2025

Visualization of Intensity Levels to Reduce the Gap Between Self-Reported and Directly Measured Physical Activity
05:59

Visualization of Intensity Levels to Reduce the Gap Between Self-Reported and Directly Measured Physical Activity

Published on: March 7, 2019

6.7K

Directionality between cognitive function and daily physical activity patterns.

Francesca R Marino1,2,3, Jennifer A Deal2,4, Alden L Gross2,3

  • 1Department of Anatomy & Neurobiology Boston University Chobanian & Avedisian School of Medicine Boston Massachusetts USA.

Alzheimer'S & Dementia (New York, N. Y.)
|April 14, 2025
PubMed
Summary
This summary is machine-generated.

Engaging in more physical activity and reducing sedentary time is linked to slower cognitive decline in older adults. Baseline cognitive function did not predict changes in physical activity patterns.

Keywords:
accelerometrycognitive declinedementiaphysical activityprevention

More Related Videos

Dual-Task Stroop Paradigm for Detecting Cognitive Deficits in High-Functioning Stroke Patients
07:42

Dual-Task Stroop Paradigm for Detecting Cognitive Deficits in High-Functioning Stroke Patients

Published on: December 16, 2022

2.8K
A Method for Quantifying Upper Limb Performance in Daily Life Using Accelerometers
07:24

A Method for Quantifying Upper Limb Performance in Daily Life Using Accelerometers

Published on: April 21, 2017

12.3K

Related Experiment Videos

Last Updated: May 13, 2025

Visualization of Intensity Levels to Reduce the Gap Between Self-Reported and Directly Measured Physical Activity
05:59

Visualization of Intensity Levels to Reduce the Gap Between Self-Reported and Directly Measured Physical Activity

Published on: March 7, 2019

6.7K
Dual-Task Stroop Paradigm for Detecting Cognitive Deficits in High-Functioning Stroke Patients
07:42

Dual-Task Stroop Paradigm for Detecting Cognitive Deficits in High-Functioning Stroke Patients

Published on: December 16, 2022

2.8K
A Method for Quantifying Upper Limb Performance in Daily Life Using Accelerometers
07:24

A Method for Quantifying Upper Limb Performance in Daily Life Using Accelerometers

Published on: April 21, 2017

12.3K

Area of Science:

  • Gerontology
  • Neuroscience
  • Public Health

Background:

  • Physical activity is a key modifiable risk factor for dementia.
  • Cognitive function influences engagement in physical activity.
  • The bidirectional relationship between physical activity and cognition in older adults requires further investigation.

Purpose of the Study:

  • To evaluate the directionality of associations between daily physical activity and cognitive function.
  • To examine how changes in cognitive function relate to changes in physical activity patterns over time.
  • To investigate the impact of physical activity on cognitive decline in older adults.

Main Methods:

  • Utilized data from 237 cognitively intact older adults in the Baltimore Longitudinal Study of Aging (BLSA).
  • Measured cognitive factor scores (global cognition, memory, language, executive function/attention, visuospatial processing) and physical activity via wrist accelerometry over two visits (mean 1.8 years apart).
  • Employed bivariate latent change score models to assess the directionality of associations, adjusting for covariates.

Main Results:

  • Higher baseline physical activity levels, longer activity bouts, and less sedentary time were associated with reduced annual cognitive decline across multiple domains.
  • Conversely, baseline cognitive function scores did not predict subsequent changes in physical activity patterns.
  • Activity fragmentation was also inversely associated with cognitive decline.

Conclusions:

  • Increasing physical movement and decreasing sedentary behavior are associated with less prospective cognitive decline.
  • Targeting reductions in sedentary time and increasing the duration of activity bouts may be effective strategies to slow cognitive decline in older adults.
  • Promoting daily movement and reducing sedentary behavior may confer cognitive benefits and potentially mitigate dementia risk.