Related Experiment Video
Updated: Apr 29, 2026
12:28
Abbiategrasso Brain Bank Protocol for Collecting, Processing and Characterizing Aging Brains
Published on: June 3, 2020
18.2K
Resting-state slow wave power, healthy aging and cognitive performance
Eleni L Vlahou1, Franka Thurm2, Iris-Tatjana Kolassa3
1Clinical & Biological Psychology, Institute of Psychology & Education, University of Ulm, Germany.
Scientific Reports
|May 30, 2014
Summary
Healthy aging is linked to decreased slow brain wave activity. In older adults, higher delta and theta power in specific brain regions correlated with better cognitive functions like perceptual speed.
Area of Science:
- Neuroscience
- Cognitive Aging
- Brain Oscillations
Background:
- Cognitive functions and neural activity change with age.
- The relationship between aging, cognition, and resting-state brain oscillations requires further elucidation.
Purpose of the Study:
- To investigate the associations between age-dependent changes in spontaneous brain oscillations and cognitive performance.
- To understand how resting-state neural activity relates to cognitive function across the adult lifespan.
Main Methods:
- Assessed cognitive performance using the Trail Making Test.
- Recorded resting-state magnetoencephalography (MEG) in 53 healthy adults aged 18-89.
- Analyzed associations between age, oscillatory activity (0.5-6.5 Hz), and cognitive measures.
Main Results:
- Healthy aging showed a linear decrease in resting-state activity within the slow frequency range (0.5-6.5 Hz).
- In older adults (>54 years), increased delta and theta power in temporal and central regions positively correlated with perceptual speed and executive functioning.
- These age-specific effects of slow wave power on cognition were not observed in younger participants.
Conclusions:
- Slow wave oscillations play a crucial role in neurocognitive function during healthy aging.
- Age-related changes in brain oscillations are associated with cognitive performance, particularly in older adults.
- Findings highlight the importance of slow frequency brain activity for maintaining cognitive abilities across the lifespan.
Related Concept Videos
01:30Cognitive Development During Adulthood
1.4K
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,...
1.4K
01:27Pharmacodynamics in Geriatric Patients: Effects of Age
366
Age-related pharmacokinetic changes are extensively documented, but understanding age-related pharmacodynamic alterations is relatively limited. This knowledge gap can be partly attributed to the complexity of developing appropriate measures of drug responses compared to bioanalytical methods for determining drug concentrations.Most information regarding age-related differences in human pharmacodynamics originates from cross-sectional studies. However, these studies assume that observed mean...
366
01:23Brain Waves
4.2K
Brain waves are electrical signals generated by the neurons in the brain, which are regularly monitored to measure mental activities. Brain waves and their frequency ranges can be measured using an electroencephalogram or EEG. There are four main types of brain waves, each with distinct characteristics:
4.2K
01:19The Effect of Aging on Tissues
3.6K
Several body functions deteriorate with age. The external signs of aging are easily identifiable. For example, the skin becomes dry, less elastic, and thins out, forming wrinkles. The skin of the face begins to appear looser due to a decrease in the levels of elastic and collagen fibers in the connective tissue. Additionally, melanin production in the hair follicle decreases with age, resulting in gray hair. Moreover, the senses of sight and hearing decline, so glasses and hearing aids may...
3.6K
01:26Aging
1.1K
Aging is a complex biological phenomenon influenced by various processes that affect cellular and systemic functions. Several prominent theories attempt to explain its mechanisms, highlighting cellular limitations, oxidative damage, and hormonal changes as central factors in aging.
Cellular Clock Theory
The cellular clock theory posits that the human lifespan is closely tied to the finite capacity of cells to divide, a phenomenon governed by telomeres, which are protective caps at the ends of...
Cellular Clock Theory
The cellular clock theory posits that the human lifespan is closely tied to the finite capacity of cells to divide, a phenomenon governed by telomeres, which are protective caps at the ends of...
1.1K
01:22Stages of Sleep
1.6K
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...
Before sleep begins, in wakefulness, the brain exhibits primarily beta waves, which are high in frequency and low in amplitude, indicating alertness...
1.6K