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Related Concept Videos

Other Factors Affecting Respiration Centers01:17

Other Factors Affecting Respiration Centers

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Breathing is primarily an involuntary activity regulated by the brainstem respiratory centers. However, it can also be consciously controlled, allowing us to hold our breath or take deeper breaths when needed. This voluntary control is facilitated by the cerebral motor cortex, which bypasses the medullary centers to stimulate the respiratory muscles directly.
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The neurogenic control of respiration coordinates various neural networks and pathways to regulate breathing rate and depth, meeting the body's oxygen and carbon dioxide exchange requirements. This system adapts to physiological and environmental conditions, ensuring optimal breathing patterns.
Central Control
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Breathing01:05

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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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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.
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The physiology of emotions is a multifaceted process involving the autonomic nervous system, brain structures, hormones, and neurotransmitters. This intricate interplay dictates how emotions manifest in the body and influence behavior.
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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.
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It's About Time-Breathing Dynamics Modulate Emotion and Cognition.

Josh Goheen1,2, Yasir Çatal2, Imola MacPhee1

  • 1Department of Cognitive Science, Carleton University, Ottawa, Ontario, Canada.

Psychophysiology
|September 11, 2025
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Breathing dynamics, not just averages, reveal links between breathing patterns and mental states. Breathing complexity correlates with anxiety, while variability impacts working memory.

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Area of Science:

  • Psychophysiology
  • Cognitive Neuroscience
  • Affective Science

Background:

  • Breathing metrics like rate and amplitude track emotional and cognitive states.
  • Current methods focus on central tendencies, missing breathing dynamics.
  • The link between breathing dynamics and affective/cognitive processes is unclear.

Purpose of the Study:

  • To characterize breathing dynamics using novel metrics.
  • To investigate how breathing dynamics change across rest and task states.
  • To explore the relationship between breathing dynamics and anxiety/working memory.

Main Methods:

  • Quantified breathing dynamics via rate, amplitude, variability, complexity, entropy, and timescales.
  • Utilized principal components analysis to analyze metrics.
  • Employed multivariate analyses to link breathing dynamics with psychological states.

Main Results:

  • Breathing dynamics metrics capture distinct features of breathing patterns.
  • Breathing dynamics differ between rest and task conditions.
  • Resting breathing complexity/entropy positively correlates with anxiety.
  • Task breathing variability negatively correlates with working memory performance.

Conclusions:

  • Breathing dynamics are sensitive to behavioral state changes.
  • Breathing complexity and entropy are linked to anxiety.
  • Breathing variability is associated with working memory.
  • Breathing dynamics play a crucial role in the breathing-affective-cognitive relationship.