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

Characteristics of Life01:23

Characteristics of Life

261.2K
Biology is a natural science that studies life and living organisms, including their structure, function, development, interactions, evolution, distribution, and taxonomy. The field's scope is extensive and divided into several specialized disciplines, such as anatomy, physiology, ethology, genetics, and many more. All living things share a few key traits, including cellular organization, heritable genetic material and the ability to adapt/evolve, metabolism to regulate energy needs, the...
261.2K
Half-life of a Reaction02:42

Half-life of a Reaction

39.0K
The half-life of a reaction (t1/2) is the time required for one-half of a given amount of reactant to be consumed. In each succeeding half-life, half of the remaining concentration of the reactant is consumed. For example, during the decomposition of hydrogen peroxide, during the first half-life (from 0.00 hours to 6.00 hours), the concentration of H2O2 decreases from 1.000 M to 0.500 M. During the second half-life (from 6.00 hours to 12.00 hours), the concentration decreases from 0.500 M to...
39.0K
The Angiosperm Life Cycle02:39

The Angiosperm Life Cycle

72.5K
Plants have a life cycle split between two multicellular stages: a haploid stage—with cells containing one set of chromosomes—and a diploid stage—with cells containing two sets of chromosomes. The haploid stage is the gamete-producing gametophyte, and the diploid stage is the spore-producing sporophyte.
72.5K
Contact Angle01:13

Contact Angle

19.7K
When a solid is dipped inside a liquid, the liquid surface becomes curved near the contact. For some solid–liquid interfaces, the liquid is pulled up along the solid, while for others, the liquid surface is convex or depressed near the solid surface. This phenomenon can be explained using the concept of cohesive and adhesive forces.
The adhesive force is the molecular force between molecules of different materials, that is, between the molecules of the solid and the liquid. The cohesive...
19.7K
Contact-dependent Signaling01:19

Contact-dependent Signaling

47.0K
Contact-dependent signaling, as the name suggests, requires that communicating cells be in direct contact with each other. This is achieved either through receptor-ligand interactions or by specialized cytoplasmic channels that allow the flow of small molecules between cells. In animal cells, channels called gap junctions facilitate contact-dependent signaling in certain tissues, whereas, plasmodesmata perform a similar function in plants.
Gap Junctions
In animal cells, gap junctions are formed...
47.0K
Anatomy of the Ear01:16

Anatomy of the Ear

11.8K
Auditory sensation, commonly called hearing, involves the transformation of sonic waves into neural impulses facilitated by the structures of the auditory organ. The prominent, flesh-like structure on the side of the head, called the auricle, directs sound waves towards the auditory canal. The auricle is often mislabeled as the pinna, a term more aligned with mobile structures like a feline's external ear. The auditory canal penetrates the cranium via the external auditory meatus of the...
11.8K

You might also read

Related Articles

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

Sort by
Same author

Epileptiform discharges are associated with increased theta activity over time in patients with Lewy body dementia.

Neuroscience·2026
Same author

Epileptiform discharges in neurodegenerative diseases linked to atrophy but not associated with iron depositions.

GeroScience·2026
Same author

Polyrhythms in the Brain: Metrical Priming, Acoustic Balance, and Perceptual Biases.

Annals of the New York Academy of Sciences·2026
Same author

Probing Spectral Masking With Auditory Steady-State Responses.

Ear and hearing·2026
Same author

Hearable Heartbeats: Recording the Heart Rate from the Ear.

Annual International Conference of the IEEE Engineering in Medicine and Biology Society. IEEE Engineering in Medicine and Biology Society. Annual International Conference·2025
Same author

Sleep Analysis Using Longitudinal Ear-EEG Recordings.

Annual International Conference of the IEEE Engineering in Medicine and Biology Society. IEEE Engineering in Medicine and Biology Society. Annual International Conference·2025

Related Experiment Video

Updated: Feb 2, 2026

Recording Brain Activity with Ear-Electroencephalography
09:58

Recording Brain Activity with Ear-Electroencephalography

Published on: March 31, 2023

3.5K

Real-Life Dry-Contact Ear-EEG.

Simon L Kappel, Preben Kidmose

    Annual International Conference of the IEEE Engineering in Medicine and Biology Society. IEEE Engineering in Medicine and Biology Society. Annual International Conference
    |November 17, 2018
    PubMed
    Summary

    Ear-EEG, a discreet wearable device, successfully recorded brain activity in real-life settings. This electroencephalography (EEG) method shows promise for studying natural brain states outside the laboratory.

    Area of Science:

    • Neuroscience
    • Biomedical Engineering
    • Wearable Technology

    Background:

    • Studying natural brain states requires monitoring outside laboratory settings.
    • Electroencephalography (EEG) is a key non-invasive brain monitoring technique.
    • Wearable, user-friendly, and discreet EEG devices are essential for real-life recordings.

    Purpose of the Study:

    • To evaluate the feasibility of Ear-EEG for recording brain activity in real-life environments.
    • To compare Ear-EEG performance with conventional scalp EEG.
    • To assess the efficacy of dry-contact electrodes in Ear-EEG devices.

    Main Methods:

    • Simultaneous scalp EEG and Ear-EEG recordings were conducted on 6 subjects.
    • Recordings were performed in both laboratory and real-life settings using identical instrumentation and paradigms.

    More Related Videos

    A Mouse Ear Model for Allergic Contact Dermatitis Evaluation
    08:02

    A Mouse Ear Model for Allergic Contact Dermatitis Evaluation

    Published on: March 24, 2023

    4.9K
    Visual Evoked Potential Recordings in Mice Using a Dry Non-invasive Multi-channel Scalp EEG Sensor
    06:19

    Visual Evoked Potential Recordings in Mice Using a Dry Non-invasive Multi-channel Scalp EEG Sensor

    Published on: January 12, 2018

    9.5K

    Related Experiment Videos

    Last Updated: Feb 2, 2026

    Recording Brain Activity with Ear-Electroencephalography
    09:58

    Recording Brain Activity with Ear-Electroencephalography

    Published on: March 31, 2023

    3.5K
    A Mouse Ear Model for Allergic Contact Dermatitis Evaluation
    08:02

    A Mouse Ear Model for Allergic Contact Dermatitis Evaluation

    Published on: March 24, 2023

    4.9K
    Visual Evoked Potential Recordings in Mice Using a Dry Non-invasive Multi-channel Scalp EEG Sensor
    06:19

    Visual Evoked Potential Recordings in Mice Using a Dry Non-invasive Multi-channel Scalp EEG Sensor

    Published on: January 12, 2018

    9.5K
  • Four paradigms were used: auditory steady-state response (ASSR), steady-state visual evoked potential (SSVEP), auditory onset response, and alpha band modulation.

    • Main Results:

    • With a scalp reference (Cz), all investigated brain responses were statistically significant in both settings.
    • In the lab, Ear-EEG with an intra-aural reference showed significant ASSR and SSVEP.
    • In real-life, only ASSR was statistically significant using an intra-aural reference with Ear-EEG.

    Conclusions:

    • Dry-contact Ear-EEG can successfully record electrical brain activity in real-life settings.
    • Ear-EEG demonstrates potential for long-term, unobtrusive brain monitoring outside the lab.
    • Further research is needed to optimize Ear-EEG signal quality and analysis for real-world applications.