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

Metacognition01:26

Metacognition

749
Metacognition is a conscious process where individuals are aware of their cognitive and executive processes, such as planning before solving a problem or self-monitoring during reading. For instance, a writer may need help with composing a piece. The situation involves a writer who is working on a piece of writing, but while doing so, they realize that something is missing. They notice that their characters lack depth or details. This realization occurs because the writer is reflecting on their...
749
Lung Capacity01:47

Lung Capacity

56.1K
The air in the lungs is measured in volumes and capacities. Lung volume measures reflect the amount of air taken in, released, or left over after a lung function, like a single inhalation. Lung capacity measures are sums of two or more lung volume measures.
56.1K
What is Natural Selection?01:32

What is Natural Selection?

126.0K
Natural selection is an evolutionary process in which individuals with survival-promoting traits reproduce at higher rates. These favorable traits become more common within a population or species. Naturally selected traits initially arise via random genetic mutations. In order for selection to occur, there must be variation within a population, the trait controlling the variation must be heritable, and there must be an evolutionary advantage for variation in the trait.
126.0K
Respiratory Capacities01:24

Respiratory Capacities

1.4K
Respiratory capacities are crucial indicators of lung function, representing the maximum amount of air an individual's respiratory system can handle during various breathing phases.
One key metric is the Inspiratory Capacity (IC), which represents the maximum amount of air that can be inhaled with full effort. IC is calculated by summing the tidal volume and inspiratory reserve volume, typically ranging from 2.4 to 3.6 liters.
The Functional Residual Capacity (FRC) represents the air in the...
1.4K
Difference from Background: Limit of Detection01:05

Difference from Background: Limit of Detection

8.1K
The limit of detection (LOD) is the smallest amount of analyte that can be distinguished from the background noise. The LOD value corresponds to the concentration at which the analyte signal is three times larger than the standard deviation of the blank signal. Below this value, the analyte signal cannot be differentiated from the background noise. It is calculated by dividing the calibration slope by 3 times the standard deviation of the blank signals.
The LOD indicates the presence or absence...
8.1K
Electric Potential and Potential Difference01:16

Electric Potential and Potential Difference

5.6K
Suppose a positive test charge moves away from a positive static charge, then the Coulomb force does positive work, and its electric potential energy decreases. The potential energy per unit charge is defined as the electric potential. The electric potential is independent of the test charge.
When a test charge moves from the initial to the final position, the electric potential difference between those positions is defined as the ratio of the change in the potential energy to the charge on the...
5.6K

You might also read

Related Articles

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

Sort by
Same author

Curiosity, error correction, and confidence in younger and older adults.

Acta psychologica·2026
Same author

Memory and Curiosity for Free Grocery Items and Prices in Younger and Older Adults.

Experimental aging research·2026
Same author

Spot the Scam: Identifying Email Scams and Scam Susceptibility in Younger and Older Adults.

Experimental aging research·2026
Same author

Subjective semantic search space as an estimate of prior knowledge predicts curiosity to learn among younger and older adults.

Psychology and aging·2026
Same author

Associative Memory and Trustworthiness of Artificial Faces in Young and Older Adults.

Experimental aging research·2025
Same author

Strategic value-directed remembering in younger and older adults.

Neuropsychology, development, and cognition. Section B, Aging, neuropsychology and cognition·2025

Related Experiment Video

Updated: Jan 21, 2026

Testing for Metacognitive Responding Using an Odor-based Delayed Match-to-Sample Test in Rats
08:06

Testing for Metacognitive Responding Using an Odor-based Delayed Match-to-Sample Test in Rats

Published on: June 18, 2018

7.6K

Age-related differences in metacognition for memory capacity and selectivity.

Alexander L M Siegel1, Alan D Castel1

  • 1a Department of Psychology, University of California , Los Angeles , CA , USA.

Memory (Hove, England)
|July 25, 2019
PubMed
Summary

Older adults showed overconfidence in recalling general memory performance but accurately predicted their ability to selectively remember high-value information. This suggests aging differentially impacts separate metacognitive mechanisms.

Keywords:
Memorymetacognitionpredictionsselectivityvalue-directed remembering

More Related Videos

A Method for Investigating Age-related Differences in the Functional Connectivity of Cognitive Control Networks Associated with Dimensional Change Card Sort Performance
09:01

A Method for Investigating Age-related Differences in the Functional Connectivity of Cognitive Control Networks Associated with Dimensional Change Card Sort Performance

Published on: May 7, 2014

10.5K
A Real-world What-Where-When Memory Test
09:13

A Real-world What-Where-When Memory Test

Published on: May 16, 2017

12.0K

Related Experiment Videos

Last Updated: Jan 21, 2026

Testing for Metacognitive Responding Using an Odor-based Delayed Match-to-Sample Test in Rats
08:06

Testing for Metacognitive Responding Using an Odor-based Delayed Match-to-Sample Test in Rats

Published on: June 18, 2018

7.6K
A Method for Investigating Age-related Differences in the Functional Connectivity of Cognitive Control Networks Associated with Dimensional Change Card Sort Performance
09:01

A Method for Investigating Age-related Differences in the Functional Connectivity of Cognitive Control Networks Associated with Dimensional Change Card Sort Performance

Published on: May 7, 2014

10.5K
A Real-world What-Where-When Memory Test
09:13

A Real-world What-Where-When Memory Test

Published on: May 16, 2017

12.0K

Area of Science:

  • Cognitive psychology
  • Neuroscience of aging
  • Human memory

Background:

  • Metacognition, the awareness of one's own cognition, is crucial for effective learning and memory.
  • Aging can impact various cognitive functions, including metacognitive abilities.
  • Understanding how aging affects different facets of metacognition is essential for targeted interventions.

Purpose of the Study:

  • To compare metacognitive accuracy in younger and older adults concerning overall memory recall versus selective recall of high-value information.
  • To investigate age-related differences in metacognitive monitoring of memory performance.
  • To explore potential dissociations in metacognitive abilities due to aging.

Main Methods:

  • Participants studied word-point value pairs, aiming to maximize scores.
  • Experiment 1 involved predictions of word recall quantity.
  • Experiment 2 involved predictions of total point earnings, assessing selective memory for high-value items.

Main Results:

  • Younger adults demonstrated accurate recall predictions in Experiment 1, while older adults were overconfident.
  • Both age groups showed comparable accuracy in predicting point earnings in Experiment 2, indicating effective metacognitive monitoring for value-based selection.
  • Older adults' overconfidence in general recall contrasted with their accurate performance in predicting earnings from high-value items.

Conclusions:

  • Metacognitive accuracy for overall memory capacity may decline with age.
  • Older adults can maintain accurate metacognitive assessment of their ability to selectively remember high-value information.
  • These findings suggest that distinct metacognitive mechanisms are differentially affected by the aging process.