Air-phase Stimulation
Air-phase Stimulation - Related Videos
09:51
Analyzing Responses of Mouse Olfactory Sensory Neurons Using the Air-phase Electroolfactogram Recording
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Cited by 34 •
2010
The electroolfactogram (EOG) recording is an informative, easy-to-conduct, and reliable way of assessing olfactory function at the level of the olfactory epithelium. This protocol describes a recording setup, mouse tissue preparation, data collection, and basic data analysis.
01:28
Action Potential: Phases of Stimulation
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2025
The action potential is a complex electrical event that occurs in excitable cells, such as neurons and muscle cells. It consists of several distinct phases, each with specific characteristics. Resting Phase: In this phase, the cell's membrane is at its resting potential, typically around -70 millivolts (mV) for neurons. Inside the cell, there is a higher concentration of potassium ions (K+) and a lower concentration of sodium ions (Na+). Voltage-gated sodium channels are closed, and...
11:02
Combining Transcranial Magnetic Stimulation and fMRI to Examine the Default Mode Network
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Cited by 17 •
2010
In this article, we examine the methodology and considerations relevant to the combination of TMS and fMRI to examine the effects of brain stimulation on the default network.
02:39
Phase Diagrams
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2020
A phase diagram combines plots of pressure versus temperature for the liquid-gas, solid-liquid, and solid-gas phase-transition equilibria of a substance. These diagrams indicate the physical states that exist under specific conditions of pressure and temperature and also provide the pressure dependence of the phase-transition temperatures (melting points, sublimation points, boiling points). Regions or areas labeled solid, liquid, and gas represent single phases, while lines or curves represent...
02:31
Phase Transitions
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2020
Whether solid, liquid, or gas, a substance's state depends on the order and arrangement of its particles (atoms, molecules, or ions). Particles in the solid pack closely together, generally in a pattern. The particles vibrate about their fixed positions but do not move or squeeze past their neighbors. In liquids, although the particles are closely spaced, they are randomly arranged. The position of the particles are not fixed—that is, they are free to move past their neighbors to occupy...
FAQs
Concentration determines how much odorant reaches the subject, while timing and duration define when stimulation begins and how long it persists. Controlling these variables lets investigators relate a sensory response to a precisely specified airborne event rather than to an exposure that is difficult to characterize. This supports systematic studies of odor detection and sensory coding.
Airborne presentation can make an experiment more ecologically relevant because it resembles how subjects encounter cues in environmental settings. At the same time, controlled airflow preserves experimental reproducibility by standardizing delivery conditions. This combination is valuable when researchers want responses that reflect naturalistic sensory exposure without giving up control over the stimulus.
The method links an externally delivered odorant to activity in olfactory pathways and to measurable behavior. By varying the airborne cue and recording neural or behavioral responses, researchers can examine how sensory information is detected, represented, and related to perception. In neuroscience, this provides a way to investigate sensory coding and neural circuit function.
A typical experiment begins by selecting an odorant or other airborne cue, using controlled airflow to deliver it, and specifying its concentration, timing, and duration. The subject then receives the stimulus while investigators record neural activity, behavior, or both. Keeping delivery and recording aligned allows responses to be interpreted against the known stimulus episode.
Air-phase stimulation is relevant in both animal and human studies. Researchers can use it to examine odor detection, perception, sensory coding, and neural circuit function across these subject groups. The same general strategy also permits comparison between neural responses and behavior, helping clarify whether a delivered cue is detected and how it is processed.
The resulting data may include neural responses, behavioral responses, or their relationship. Such measurements can show whether an airborne cue is detected, how sensory information is coded, and how olfactory processing contributes to perception. Because the stimulus parameters are regulated, observed differences can be considered in relation to the cue’s concentration, timing, and duration.