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

Olfaction01:25

Olfaction

49.8K
The sense of smell is achieved through the activities of the olfactory system. It starts when an airborne odorant enters the nasal cavity and reaches olfactory epithelium (OE). The OE is protected by a thin layer of mucus, which also serves the purpose of dissolving more complex compounds into simpler chemical odorants. The size of the OE and the density of sensory neurons varies among species; in humans, the OE is only about 9-10 cm2.
The olfactory receptors are embedded in the cilia of the...
49.8K
Olfactory Receptors: Location and Structure01:03

Olfactory Receptors: Location and Structure

14.3K
The process of olfaction, also known as the sense of smell, is a sophisticated chemical response system. The specialized sensory neurons that facilitate this process, known as olfactory receptor neurons, are situated in an upper segment of the nasal cavity, known as the olfactory epithelium. Olfactory sensory neurons are bipolar, with their dendrites extending from the epithelium's apex into the mucus that lines the nasal cavity. Airborne molecules, when inhaled, traverse the olfactory...
14.3K
Causes of Similarity-Dissimilarity Effect01:26

Causes of Similarity-Dissimilarity Effect

335
The similarity-dissimilarity effect, a fundamental concept in social psychology, explains how interpersonal similarities and differences influence attraction and social interactions. This effect is supported by three key psychological perspectives: balance theory, social comparison theory, and consensual validation.Balance Theory and Cognitive ConsistencyBalance theory, developed by Fritz Heider, posits that individuals seek cognitive consistency in their relationships. When two people share...
335
Physiology of Smell and Olfactory Pathway01:20

Physiology of Smell and Olfactory Pathway

14.0K
Humans detect odors with the help of specialized cells located in the upper part of the nasal cavity, called olfactory receptor neurons (ORNs). ORNs possess hair-like structures called cilia, which are receptive to sensations from the inhaled air. When an odorant molecule binds to a specific receptor on the cell of the cilia, it leads to a series of events that ultimately cause the ORN to send electrical signals to the olfactory bulb in the brain through the olfactory nerves.
The olfactory...
14.0K
Factors Influencing Attraction III: Similarity01:23

Factors Influencing Attraction III: Similarity

928
The similarity hypothesis suggests that individuals are more likely to form relationships with others who share similar attitudes, beliefs, values, and interests. This concept has been widely studied in social psychology, demonstrating that perceived similarity fosters interpersonal attraction. In an experiment supporting this hypothesis, participants were presented with fabricated information indicating that strangers held attitudes similar to their own. The results showed that participants...
928
The Dot Product01:26

The Dot Product

299
Measuring how one directional quantity affects another along a specific path involves comparing their orientation and strength. When two such quantities are represented using direction and amount, a numerical result is computed to show how much one acts along the path of the other. This result comes from a rule combining both inputs' horizontal and vertical parts and adding the results.This calculation gives a single value that grows larger when both inputs point in similar directions and...
299

You might also read

Related Articles

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

Sort by
Same author

CRISPR/Cas9 mediated generation of an ovine model for infantile neuronal ceroid lipofuscinosis (CLN1 disease).

Scientific reports·2019
Same author

Interactive binocular treatment (I-BiT) for amblyopia: results of a pilot study of 3D shutter glasses system.

Eye (London, England)·2013
Same author

Investigation of the relationship between transcranial impedance and intracranial pressure.

Acta neurochirurgica. Supplement·2012
Same author

Reducing the oxygen concentration of gases delivered from anaesthetic machines unadapted for medical air.

The Veterinary record·2011
Same author

Radiological classification of optic pathway gliomas: experience of a modified functional classification system.

The British journal of radiology·2008
Same author

An oral carcinogenicity and toxicity study of senna (Tinnevelly senna fruits) in the rat.

Archives of toxicology·2005

Related Experiment Video

Updated: Mar 26, 2026

A Psychophysics Paradigm for the Collection and Analysis of Similarity Judgments
08:12

A Psychophysics Paradigm for the Collection and Analysis of Similarity Judgments

Published on: March 1, 2022

3.0K

ODOUR SIMILARITIES AND THEIR MULTIDIMENSIONAL METRIC REPRESENTATION.

R Gregson

    Multivariate Behavioral Research
    |February 2, 2016
    PubMed
    Summary

    This study analyzed odour similarities using multidimensional scaling. Findings suggest a

    Area of Science:

    • Olfactory science
    • Psychophysics
    • Sensory perception

    Background:

    • Understanding odour quality is crucial for sensory science.
    • Existing typologies of odour perception have limitations.
    • Qualitative odour similarities require robust analytical methods.

    Purpose of the Study:

    • To investigate qualitative similarities in odour perception.
    • To analyze odour data using nonmetric multidimensional scaling.
    • To explore potential configurations of odour quality space.

    Main Methods:

    • Collected qualitative odour similarity data from 18 subjects.
    • Utilized 10 diverse olfactory stimuli.
    • Applied the TORSCA nonmetric multidimensional scaling program for data analysis.

    More Related Videos

    Olfactory Context Dependent Memory: Direct Presentation of Odorants
    04:47

    Olfactory Context Dependent Memory: Direct Presentation of Odorants

    Published on: September 18, 2018

    7.1K
    A Free-breathing fMRI Method to Study Human Olfactory Function
    10:42

    A Free-breathing fMRI Method to Study Human Olfactory Function

    Published on: July 30, 2017

    10.2K

    Related Experiment Videos

    Last Updated: Mar 26, 2026

    A Psychophysics Paradigm for the Collection and Analysis of Similarity Judgments
    08:12

    A Psychophysics Paradigm for the Collection and Analysis of Similarity Judgments

    Published on: March 1, 2022

    3.0K
    Olfactory Context Dependent Memory: Direct Presentation of Odorants
    04:47

    Olfactory Context Dependent Memory: Direct Presentation of Odorants

    Published on: September 18, 2018

    7.1K
    A Free-breathing fMRI Method to Study Human Olfactory Function
    10:42

    A Free-breathing fMRI Method to Study Human Olfactory Function

    Published on: July 30, 2017

    10.2K

    Main Results:

    • Responses were recorded on a numerical category scale.
    • Data were analyzed both individually and in pooled datasets.
    • The results are consistent with a 'reflected simplex' configuration.

    Conclusions:

    • The 'reflected simplex' model offers a new perspective on odour quality.
    • This finding has implications for developing psycho-physical odour typologies.
    • Further research can refine the understanding of odour perception geometry.