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Related Concept Videos

Olfaction

Olfaction

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...

Physiology of Smell and Olfactory Pathway

Physiology of Smell and Olfactory Pathway

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...

Olfactory Receptors: Location and Structure

Olfactory Receptors: Location and Structure

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...

Introduction to Special Senses

Introduction to Special Senses

Sensory receptors play an integral part in comprehending our external and internal environments. They receive diverse stimuli, converting them into the nervous system's electrochemical signals. This conversion occurs as the stimulus alters the sensory neuron's cell membrane potential, instigating the generation of an action potential. This action potential is subsequently transmitted to the central nervous system (CNS), which integrates with other sensory data or higher cognitive...

Tactile and Chemical Senses

Tactile and Chemical Senses

Tactile senses encompass touch, temperature, and pain, each mediated by specific receptors. Touch receptors detect mechanical energy or pressure against the skin. Sensory fibers from these receptors enter the spinal cord and relay information to the brain stem. Here, most fibers cross over to the opposite side of the brain. The touch information then moves to the thalamus, which projects a map of the body's surface onto the somatosensory areas of the parietal lobes in the cerebral cortex.

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Related Experiment Video

Updated: Sep 29, 2025

Enhancement Method of Surface Acoustic Wave-Atomizer Efficiency for Olfactory Display

Enhancement Method of Surface Acoustic Wave-Atomizer Efficiency for Olfactory Display

Published on: November 14, 2018

An olfactory display for virtual reality glasses.

Marcelo de Paiva Guimarães^1,2, James Miranda Martins², Diego Roberto Colombo Dias³

¹Rectorate, Federal University of São Paulo, São Paulo, SP Brazil.

Multimedia Systems

|March 21, 2022

Summary

This summary is machine-generated.

This study introduces a wearable olfactory display and software for virtual reality, enabling odor integration. User satisfaction was high, confirming the system

Keywords:

Odor Olfactory display Virtual reality

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Enhancement Method of Surface Acoustic Wave-Atomizer Efficiency for Olfactory Display

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Area of Science:

Virtual Reality
Olfactory Displays
Human-Computer Interaction

Background:

Olfactory stimuli are underrepresented in virtual reality (VR) compared to visual and auditory senses.
Existing olfactory devices for VR face challenges like odor diffusion, slow dissipation, parameter control, and software integration.
There is a need for user-friendly, integrated olfactory solutions in VR.

Purpose of the Study:

To present a non-intrusive, mobile, low-cost, wearable olfactory display for VR.
To introduce a software service simplifying the integration of olfactory stimuli into VR applications.
To evaluate user satisfaction with the developed olfactory display system.

Main Methods:

Development of a wearable olfactory display device.
Creation of a software service for controlling odor diffusion and VR integration.
Conducting a case study with 32 participants to assess user satisfaction.

Main Results:

The developed olfactory display effectively produces odors as intended.
The system demonstrates ease of integration into VR applications.
User satisfaction was evaluated through a case study.

Conclusions:

The presented wearable olfactory display and software service successfully enable olfactory stimuli integration in VR.
The solution addresses key challenges in VR olfaction, offering a practical and user-friendly approach.
The system is well-received by users, indicating its potential for immersive VR experiences.