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Neuroscience of respiration and sleep
Research Guide
What is Neuroscience of respiration and sleep?
Neuroscience of respiration and sleep is the study of neural mechanisms that control breathing during sleep, including central chemoreception, carotid body function, serotonergic neuron involvement, and hypothalamic regulation, and their links to disorders like sleep-disordered breathing and Sudden Infant Death Syndrome.
This field encompasses 79,189 papers on respiratory rhythm, oxygen sensing, neural circuits, and thermoregulation in sleep contexts. Population-based studies show high prevalence of undiagnosed sleep-disordered breathing, affecting daytime hypersomnolence and hypertension risk (Young et al., 1993; Peppard et al., 2000). Nitric oxide pathways, synthesized from L-arginine, influence respiratory and autonomic processes relevant to sleep (Epstein et al., 1993).
Topic Hierarchy
Research Sub-Topics
Central Chemoreception in Respiratory Control
This sub-topic investigates brainstem pH/CO2-sensitive neurons, retrotrapezoid nucleus function, and ion channel mechanisms driving ventilatory responses. Researchers use optogenetics and chemogenetics to map central respiratory chemosensitivity.
Carotid Body Oxygen Sensing
This sub-topic examines glomus cell hypoxia transduction via TASK channels, HIF signaling, and carotid sinus nerve afferent encoding of arterial PO2. Researchers study plasticity in chronic hypoxia and pharmacological modulators.
Serotonergic Neurons in Respiratory Rhythmogenesis
This sub-topic explores medullary raphe serotonin neurons' modulation of preBötzinger complex rhythmicity and integration with arousal state. Researchers investigate selective serotonin reuptake inhibitor effects and sudden infant death syndrome links.
Hypothalamic Regulation of Breathing
This sub-topic covers orexin/hypocretin neurons, paraventricular nucleus projections, and temperature-dependent respiratory drive from hypothalamus. Researchers map suprapontine influences on respiratory pattern generation during sleep-wake transitions.
Neural Control of Respiratory-Sleep Interactions
This sub-topic examines state-dependent respiratory pattern changes, genioglossus motoneuron control, and pontomedullary interactions during REM sleep. Researchers study upper airway patency mechanisms and sleep-disordered breathing neurophysiology.
Why It Matters
Sleep-disordered breathing links to hypertension, with a dose-response association independent of confounders; in the Wisconsin Sleep Cohort, baseline severity predicted hypertension four years later (Peppard et al., 2000). Obstructive sleep apnea prevalence has risen with obesity, from 4% in men and 2% in women (aged 30-60) in 1989 to 13% in men and 6% in women by 2013 (Peppard et al., 2013; Young et al., 1993). Continuous positive airway pressure treatment reduces long-term cardiovascular mortality in men with obstructive sleep apnoea-hypopnoea, compared to untreated cases (Marín et al., 2005). These findings inform clinical scoring rules for respiratory events in sleep (Berry et al., 2012) and highlight risks like those in Sudden Infant Death Syndrome via respiratory control failures.
Reading Guide
Where to Start
"The Occurrence of Sleep-Disordered Breathing among Middle-Aged Adults" by Young et al. (1993), as it establishes foundational prevalence data and links to hypersomnolence, providing epidemiologic context for neural mechanisms.
Key Papers Explained
Young et al. (1993) first quantified high prevalence of sleep-disordered breathing and its symptoms, which Peppard et al. (2000) extended to prospective hypertension risks with dose-response evidence. Young et al. (2002) synthesized epidemiology of obstructive sleep apnea, incorporating morbidity data, while Peppard et al. (2013) updated prevalence amid obesity trends. Berry et al. (2012) operationalized scoring rules from these findings for clinical use; nitric oxide papers by Epstein et al. (1993) and Beckman and Koppenol (1996) add biochemical mechanisms potentially underlying respiratory control.
Paper Timeline
Most-cited paper highlighted in red. Papers ordered chronologically.
Advanced Directions
Field growth to 79,189 papers emphasizes neural circuits in respiratory homeostasis, but lacks recent preprints or news, indicating steady maturation focused on established epidemiologic and biochemical insights from top-cited works.
Papers at a Glance
| # | Paper | Year | Venue | Citations | Open Access |
|---|---|---|---|---|---|
| 1 | Analysis of nitrate, nitrite, and [15N]nitrate in biological f... | 1982 | Analytical Biochemistry | 11.9K | ✕ |
| 2 | The Occurrence of Sleep-Disordered Breathing among Middle-Aged... | 1993 | New England Journal of... | 10.2K | ✓ |
| 3 | The L-Arginine-Nitric Oxide Pathway | 1993 | New England Journal of... | 6.7K | ✕ |
| 4 | Nitric oxide, superoxide, and peroxynitrite: the good, the bad... | 1996 | American Journal of Ph... | 5.5K | ✕ |
| 5 | Rules for Scoring Respiratory Events in Sleep: Update of the 2... | 2012 | Journal of Clinical Sl... | 5.0K | ✓ |
| 6 | Prospective Study of the Association between Sleep-Disordered ... | 2000 | New England Journal of... | 4.9K | ✓ |
| 7 | Bronchopulmonary Dysplasia | 2001 | American Journal of Re... | 4.7K | ✕ |
| 8 | Long-term cardiovascular outcomes in men with obstructive slee... | 2005 | The Lancet | 4.6K | ✕ |
| 9 | Increased Prevalence of Sleep-Disordered Breathing in Adults | 2013 | American Journal of Ep... | 4.5K | ✓ |
| 10 | Epidemiology of Obstructive Sleep Apnea | 2002 | American Journal of Re... | 4.2K | ✕ |
Frequently Asked Questions
What is the prevalence of sleep-disordered breathing?
Undiagnosed sleep-disordered breathing has high prevalence among middle-aged adults, higher than previously suspected in women, and associates with daytime hypersomnolence (Young et al., 1993). Recent estimates show 13% in men and 6% in women aged 30-60, driven by obesity (Peppard et al., 2013). Population studies confirm a wide severity spectrum with significant morbidity even in mild cases (Young et al., 2002).
How does sleep-disordered breathing relate to hypertension?
Sleep-disordered breathing shows a dose-response association with hypertension four years later, independent of confounders (Peppard et al., 2000). Prospective cohort data from the Wisconsin Sleep Cohort support it as a risk factor for hypertension and cardiovascular disease. Even mild obstructive sleep apnea carries morbidity risks (Young et al., 2002).
What role does nitric oxide play in respiration?
Nitric oxide, synthesized from L-arginine by nitric oxide synthases, acts as a diffusible messenger in biologic processes including respiratory control (Epstein et al., 1993). It diffuses rapidly through tissues but reacts with oxyhemoglobin in blood (Beckman and Koppenol, 1996). These properties affect intercellular signaling in neural respiratory circuits.
What are the current rules for scoring respiratory events in sleep?
The 2012 AASM manual update provides rules for scoring respiratory events in sleep, standardizing diagnosis of sleep-disordered breathing (Berry et al., 2012). These rules aid identification of apneas and hypopneas linked to conditions like hypertension. They build on prior epidemiologic data for clinical application.
Why has sleep-disordered breathing prevalence increased?
Obesity strongly drives sleep-disordered breathing, with the obesity epidemic necessitating updated prevalence estimates (Peppard et al., 2013). Earlier data showed 4% in men and 2% in women, now doubled due to rising obesity rates (Young et al., 1993). Cohort studies link this to broader morbidity (Young et al., 2002).
Open Research Questions
- ? How do specific neural circuits integrating central chemoreception and serotonergic neurons fail in Sudden Infant Death Syndrome?
- ? What are the precise hypothalamic mechanisms coupling thermoregulation and respiratory rhythm during sleep transitions?
- ? How does carotid body oxygen sensing interact with sleep-disordered breathing severity across populations?
- ? To what extent do nitric oxide pathways modulate sympathetic control of respiration in chronic sleep apnea?
- ? What dose-response thresholds define sleep-disordered breathing risks for cardiovascular outcomes beyond hypertension?
Recent Trends
Prevalence estimates of sleep-disordered breathing updated in 2013 show increases to 13% in men and 6% in women from 1993 baselines, attributed to obesity (Peppard et al., 2013; Young et al., 1993).
Scoring rules updated in 2012 standardize respiratory event identification (Berry et al., 2012).
No preprints or news in last 12 months; total works at 79,189 with no 5-year growth data.
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