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

Non-Verbal Cues01:29

Non-Verbal Cues

314
Non-verbal communication extends beyond gestures and facial expressions to include vocal elements known as paralanguage. Paralanguage consists of non-verbal vocal cues such as pitch, loudness, speech rate, pauses, and non-verbal vocalizations like laughter, sighs, and moans. These elements not only accompany speech but also provide critical emotional and contextual information.The Role of Paralanguage in CommunicationParalanguage adds depth to spoken language by conveying emotions and...
314
Accountability and Responsibility of a Nurse II01:09

Accountability and Responsibility of a Nurse II

1.1K
Professional accountability in nursing is a multifaceted concept that encompasses professional ethics, legal standards, and employment expectations. This framework ensures that nurses maintain and elevate the quality of care while upholding the values of their profession. It compels them to treat patients, families, and colleagues with respect, compassion, and integrity.
For example, a nurse demonstrating respect and compassion might listen attentively to a patient's concerns, provide...
1.1K
Accountability and Responsibility of a Nurse I01:30

Accountability and Responsibility of a Nurse I

2.9K
Accountability in nursing is a fundamental principle that underscores the obligation of nurses to take responsibility for their actions and answer for any errors or omissions in patient care. This principle is grounded in the professional, legal, and ethical frameworks that shape nursing practice. For instance, nurses must adhere to all relevant laws, regulations, and practice standards, including guidelines set forth by nursing boards and professional bodies, to ensure their actions comply...
2.9K
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
Aging01:26

Aging

653
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...
653

You might also read

Related Articles

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

Sort by
Same author

A common signal-strength factor limits awareness and precise knowledge of multiple moving objects across the adult lifespan.

Cognition·2026
Same author

Age-related differences in performance on a categorical visual foraging task.

Psychology and aging·2025
Same author

Individual differences in trait curiosity influence hybrid search speed across the adult lifespan.

Acta psychologica·2025
Same author

Incidental Learning of Temporal and Spatial Associations in Hybrid Search.

Visual cognition·2025
Same author

The relationship between trait curiosity and cognitive reserve in younger and older adults.

Scientific reports·2025
Same author

The role of age differences in neural representations for memory performance.

Neuroscience and biobehavioral reviews·2025
Same journal

Hippocampal-cortical structural networks in the progression of cognitive impairment: A source-based morphometry analysis in individuals with subjective cognitive decline, mild cognitive impairment and Alzheimer's disease.

Neurobiology of aging·2026
Same journal

Brain structure in the cingulate cortex and locus coeruleus in late life is associated with engagement in complex mental activities across the life span.

Neurobiology of aging·2026
Same journal

Age-related differences in motor learning, sensorimotor neurochemistry, and cortical reactivity co-occur but are dissociated.

Neurobiology of aging·2026
Same journal

How cognition and hearing-related measures covary with hippocampal subfield features from structural MRI in younger and older adults.

Neurobiology of aging·2026
Same journal

Decreased awareness of cognitive decline is associated with multimodal Alzheimer's disease biomarkers in cognitively unimpaired individuals.

Neurobiology of aging·2026
Same journal

Review of current research practices in social and structural determinants of health data collection in Canadian longitudinal cohorts of aging and dementia.

Neurobiology of aging·2026
See all related articles

Related Experiment Video

Updated: Jan 25, 2026

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

6.0K

Cue-related processing accounts for age differences in phasic alerting.

Iris Wiegand1, Myriam C Sander2

  • 1Center for Lifespan Psychology, Max Planck Institute for Human Development, Berlin, Germany; Max-Planck UCL Centre for Computational Psychiatry and Ageing Research, Berlin, Germany; Center for Visual Cognition, Department of Psychology, University of Copenhagen, Denmark; Visual Attention Lab, Brigham & Women's Hospital, Harvard Medical School, Boston, MA, USA.

Neurobiology of Aging
|April 28, 2019
PubMed
Summary
This summary is machine-generated.

Older adults show stronger neural responses to auditory warning cues, but this heightened neural activity hinders their ability to use the cue effectively for processing subsequent visual information.

Keywords:
AgingAlertingAlpha oscillationsArousalEEGPhase locking

More Related Videos

Transcranial Electrical Brain Stimulation in Alert Rodents
10:08

Transcranial Electrical Brain Stimulation in Alert Rodents

Published on: November 2, 2017

11.3K
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

Related Experiment Videos

Last Updated: Jan 25, 2026

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

6.0K
Transcranial Electrical Brain Stimulation in Alert Rodents
10:08

Transcranial Electrical Brain Stimulation in Alert Rodents

Published on: November 2, 2017

11.3K
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

Area of Science:

  • Neuroscience
  • Cognitive Psychology
  • Human Aging Research

Background:

  • Alertness is crucial for efficient information processing and can be enhanced by warning cues.
  • Age-related differences exist in the effectiveness of alerting cues on stimulus processing.

Purpose of the Study:

  • To investigate the neural mechanisms underlying age differences in processing auditory alerting cues.
  • To examine electroencephalographic (EEG) responses to alerting cues in younger and older adults.

Main Methods:

  • Measured electroencephalographic (EEG) power and phase locking in response to auditory alerting cues.
  • Utilized a visual letter report task comparing younger and older adult performance.
  • Analyzed alpha frequency band (8-12 Hz) activity.

Main Results:

  • Both age groups showed increased EEG power and inter-trial phase locking in response to alerting cues, particularly in the alpha frequency.
  • Older adults exhibited stronger cue-related increases in phase locking and power compared to younger adults.
  • In older adults, enhanced neural responses to cues were negatively correlated with behavioral performance benefits.

Conclusions:

  • Older adults' neural systems may be more externally driven and less variable, leading to stronger responses to auditory cues.
  • The heightened neural response in older adults might impede their effective utilization of warning signals for subsequent visual stimulus processing.