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

Pharmacodynamics in Geriatric Patients: Effects of Age01:27

Pharmacodynamics in Geriatric Patients: Effects of Age

312
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...
312
Aging01:26

Aging

968
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...
968
Factors Affecting Perception01:25

Factors Affecting Perception

3.1K
Perception is influenced by perceptual set, context, motivation, and emotion. Perceptual set, or perceptual expectancy, refers to the tendency to perceive things in a particular way, influenced by previous experiences and expectations. This phenomenon affects the interpretation of stimuli, creating a set of mental tendencies and assumptions that impact sensory perceptions of sound, taste, touch, and sight.
An illustrative example of a perceptual set is the scenario where an airline pilot told...
3.1K
Cognitive Development During Adulthood01:30

Cognitive Development During Adulthood

1.1K
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,...
1.1K
The Effect of Aging on Tissues01:19

The Effect of Aging on Tissues

4.1K
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...
4.1K
Pharmacokinetics in Geriatric Patients: Effect of Age on Drug Metabolism01:18

Pharmacokinetics in Geriatric Patients: Effect of Age on Drug Metabolism

314
Geriatric patients show significant variation in how their bodies process medications, which can change how effective and safe treatments are. The liver is the primary organ where drug metabolism occurs, involving two main types of chemical reactions: phase I and II. Phase I metabolism is driven by the cytochrome P450 enzyme system, which includes key types such as CYP3A, CYP2D6, and CYP2C9. Research indicates that while aging doesn't notably alter the levels or activity of these enzymes, it...
314

You might also read

Related Articles

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

Sort by
Same authorSame journal

The weight of genotype on the clinical presentation of COQ7-related hereditary motor axonal neuropathy: a case series and literature review.

Arquivos de neuro-psiquiatria·2026
Same author

Reply to the letter "Long-COVID may not be explained by skeletal muscle involvement, but rather by other, more compelling pathophysiological concepts".

Arquivos de neuro-psiquiatria·2025
Same author

Jitter and muscle fiber conduction velocity in long COVID fatigue.

Arquivos de neuro-psiquiatria·2025
Same author

Concentric Needle Jitter Measurements in Voluntarily Activated Deltoid Muscle in Healthy Control Subjects.

Muscle & nerve·2025
Same author

Electrophysiological evaluation of the neuromuscular junction: a brief review.

Arquivos de neuro-psiquiatria·2023
Same author

A case of mitochondrial DNA depletion syndrome type 11 - expanding the genotype and phenotype.

Neuromuscular disorders : NMD·2023

Related Experiment Video

Updated: Mar 22, 2026

Author Spotlight: Exploring the Link Between Time Perception of Visual Stimuli and Reading Skills
09:27

Author Spotlight: Exploring the Link Between Time Perception of Visual Stimuli and Reading Skills

Published on: January 19, 2024

1.8K

Time perception and age.

Vanessa Fernanda Moreira Ferreira1, Gabriel Pina Paiva1, Natália Prando1

  • 1Departamento de Ciências Neurológicas, Faculdade de Medicina de São José do Rio Preto, São José do Rio Preto, SP, Brazil.

Arquivos De Neuro-Psiquiatria
|April 21, 2016
PubMed
Summary
This summary is machine-generated.

As people age, their perception of time speeds up. Older adults (over 50) mentally counted 120 seconds significantly faster than younger adults (under 30).

More Related Videos

An Experimental Paradigm for Measuring the Effects of Ageing on Sentence Processing
04:30

An Experimental Paradigm for Measuring the Effects of Ageing on Sentence Processing

Published on: October 25, 2019

6.2K
Assessment of Age-related Changes in Cognitive Functions Using EmoCogMeter, a Novel Tablet-computer Based Approach
10:13

Assessment of Age-related Changes in Cognitive Functions Using EmoCogMeter, a Novel Tablet-computer Based Approach

Published on: February 14, 2014

14.3K

Related Experiment Videos

Last Updated: Mar 22, 2026

Author Spotlight: Exploring the Link Between Time Perception of Visual Stimuli and Reading Skills
09:27

Author Spotlight: Exploring the Link Between Time Perception of Visual Stimuli and Reading Skills

Published on: January 19, 2024

1.8K
An Experimental Paradigm for Measuring the Effects of Ageing on Sentence Processing
04:30

An Experimental Paradigm for Measuring the Effects of Ageing on Sentence Processing

Published on: October 25, 2019

6.2K
Assessment of Age-related Changes in Cognitive Functions Using EmoCogMeter, a Novel Tablet-computer Based Approach
10:13

Assessment of Age-related Changes in Cognitive Functions Using EmoCogMeter, a Novel Tablet-computer Based Approach

Published on: February 14, 2014

14.3K

Area of Science:

  • Neuroscience
  • Chronobiology
  • Psychology

Background:

  • The perception of time is influenced by internal biological clock systems, which are primarily dopaminergic.
  • Memory processes are predominantly cholinergic, suggesting a complex interplay of neurotransmitters in cognitive functions.
  • The common saying 'time goes faster as we get older' suggests an age-related alteration in time perception.

Purpose of the Study:

  • To investigate the subjective experience of time passage across different age groups.
  • To quantitatively assess whether time perception changes with advancing age.
  • To test the validity of the common perception that time accelerates as individuals age.

Main Methods:

  • 233 healthy participants were divided into three age groups: 15-29 years (G1), 30-49 years (G2), and 50-89 years (G3).
  • Participants were instructed to mentally count 120 seconds with their eyes closed.
  • Time estimations were analyzed using ANOVA-Bonferroni multiple comparison tests.

Main Results:

  • The mean time counted by G1 was 114.9 ± 35 s, G2 was 96.0 ± 34.3 s, and G3 was 86.6 ± 34.9 s.
  • A statistically significant difference (P < 0.001) was found between the results of G3 (older adults) and G1 (younger adults).
  • Individuals over 50 years old underestimated the 120-second interval more than those under 30 years old.

Conclusions:

  • Mental timekeeping of a 2-minute interval is significantly shorter in older adults compared to younger adults.
  • On average, individuals over 50 years old perceived 120 seconds as lasting approximately 24.6% less time than those under 30.
  • This study provides quantitative evidence supporting the age-related acceleration of subjective time perception.