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Related Concept Videos

Breathing01:05

Breathing

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The process of breathing, inhaling and exhaling, involves the coordinated movement of the chest wall, the lungs, and the muscles that move them. Two muscle groups with important roles in breathing are the diaphragm, located directly below the lungs, and the intercostal muscles, which lie between the ribs. When the diaphragm contracts, it moves downward, increasing the volume of the thoracic cavity and creating more room for the lungs to expand. When the intercostal muscles contract, the ribs...
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Neural Control of Respiration01:18

Neural Control of Respiration

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The neural regulation of respiration is a meticulously coordinated process primarily controlled by the respiratory centers located within the brainstem. These centers, composed of specialized neurons, transmit nerve impulses that control the contraction and relaxation of our respiratory muscles.
Respiratory Centers in the Brainstem
Two primary areas comprise the respiratory center: the medullary respiratory center in the medulla oblongata and the pontine respiratory group in the pons. The...
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Mechanism of Breathing III: The Accessory Muscles01:21

Mechanism of Breathing III: The Accessory Muscles

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The Role of Accessory Muscles in the Respiratory System
The respiratory system is a complex network that relies on primary respiratory muscles like the diaphragm, but also involves accessory muscles to enhance lung expansion and airflow during both inhalation and exhalation.
Enhancing Inhalation with Accessory Muscles:
Accessory muscles such as the sternocleidomastoid, scalene, intercostal, and abdominal muscles are crucial when additional respiratory effort is required, such as during deep...
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Mechanism of Breathing I: Inspiration01:30

Mechanism of Breathing I: Inspiration

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Introduction to Inspiration: The Respiratory System in Action
The respiratory system, an essential network for breathing, comprises the conducting and respiratory zones, each playing a crucial role in the overall process of respiration. Let us explore the detailed mechanism of inspiration, or inhalation, which is the first phase of the respiratory cycle.
Pathway of Air during Inspiration
During inspiration, air enters our body through the nose or mouth and moves through the conducting zone,...
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Mechanism of Breathing II: Expiration01:23

Mechanism of Breathing II: Expiration

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The Physiology of Expiration: A Seamless Respiratory Process
Expiration, or exhaling, is a complex physiological process that begins as the inspiratory muscles begin to relax. This relaxation triggers a series of events that epitomize the efficiency of the respiratory system.
Mechanism of Expiration:
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Physiological Control of Respiration01:23

Physiological Control of Respiration

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Introduction
Breathing, a seemingly passive process, is regulated by the respiratory center in the brainstem. This center coordinates the involuntary control of respirations, which means it occurs without conscious effort, ensuring a smooth and uninterrupted pattern.
Regulation of Ventilation
The body maintains ventilation by monitoring levels of carbon dioxide (CO2), oxygen (O2), and hydrogen ion concentration (pH) in the arterial blood. Among these factors, the level of CO2 plays a crucial...
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Vibrotactile auricular vagus nerve stimulation alters limbic system connectivity in humans: A pilot study.

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Related Experiment Video

Updated: Jan 17, 2026

Author Spotlight: Exploring Breathing Techniques and Digital Solutions for Enhancing Running Performance
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Author Spotlight: Exploring Breathing Techniques and Digital Solutions for Enhancing Running Performance

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Drawing the Line: Wearable Linear Haptics Motivated by Guided Breathing.

Jake D Little, Jennifer L Tennison, Jenna L Gorlewicz

    IEEE Transactions on Haptics
    |September 15, 2025
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    Summary
    This summary is machine-generated.

    Haptic wearables offer intuitive touch feedback for guided breathing. Continuous stimuli, particularly skin drag, were found most suitable for guided breathing applications, despite discrete stimuli excelling in localization tasks.

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    Area of Science:

    • Human-Computer Interaction
    • Wearable Technology
    • Haptic Feedback

    Background:

    • Haptic wearables offer an intuitive interface for information conveyance via touch.
    • Guided breathing applications can benefit from novel human-machine interfaces.
    • Linear haptic cycles, both discrete and continuous, are explored for their potential.

    Purpose of the Study:

    • To design and evaluate three haptic wearable prototypes: Vibration, Skin Drag, and Tapping.
    • To characterize six haptic stimuli (discrete/continuous vibration, skin drag, tapping) using key performance metrics.
    • To assess device performance and user aptitude through human subject studies involving cycle tracking tasks.

    Main Methods:

    • Development of three distinct haptic wearable prototypes.
    • Quantification of haptic stimuli performance using defined metrics.
    • Conducting a human subjects study (N=25) with two-cycle tracking tasks.

    Main Results:

    • Consistent directional recognition was observed across all six haptic stimuli.
    • Discrete stimuli demonstrated superior performance in spatial localization tasks.
    • Continuous stimuli, especially skin drag, were rated as most intuitive for guided breathing, despite lower tracking performance.

    Conclusions:

    • Haptic wearables show potential for guided breathing applications.
    • Continuous haptic stimuli, particularly skin drag, are well-suited for guided breathing.
    • Linear haptic stimuli have broad applications in navigation, virtual immersion, and communication.