Respiratory Variability during Exercise: Associations with Motor Severity in Parkinson's Disease

Marcela S. Araújo, Muhammad M. Kathia, Sergiu‐Gabriel Duplea, Julian C. Bommarito, Devin G. McCarthy, Barbara Connolly, Philip J. Millar, Lauro C. Vianna · 2026

Read Respiratory Variability during Exercise: Associations with Motor Severity in Parkinson's Disease by Marcela S. Araújo, Muhammad M. Kathia, Sergiu‐Gabriel Duplea, Julian C. Bommarito, Devin G. McCarthy, Barbara Connolly, Philip J. Millar, Lauro C. Vianna (2026) in the Tower of Babel, a free online library of public-domain works preserved in clean, searchable text. No sign-up. The full text is served as a plain-text file at a predictable URL, where text is present: https://antarctic-labs.com/tower-of-babel/pmc-13472771.txt.

Description

Marcela Araújo and co-authors ask whether the wobble in a Parkinson's patient's breathing betrays how far the disease has taken their movement. Breathing in Parkinson's is already known to suffer: weaker muscles, altered patterns, dulled responses to low oxygen. The team reasoned that motor decay should show up as breath-to-breath instability when the system is pushed.

Twenty-four people with idiopathic Parkinson's rode a maximal exercise test while a metabolic cart logged every breath. All were tested in their medication ON phase. The study examines whether respiratory variability during that effort tracks motor symptom severity scores. The authors frame variable breathing not as noise but as a possible window on the central networks Parkinson's erodes, readable during ordinary exercise testing.

Catalog record

CREATORMarcela S. Araújo, Muhammad M. Kathia, Sergiu‐Gabriel Duplea, Julian C. Bommarito, Devin G. McCarthy, Barbara Connolly, Philip J. Millar, Lauro C. Vianna
YEAR2026
COLLECTIONPAPERS
FORMATTXT
FILE SIZE6 KB
VERSION1.0
LICENSECC BY 4.0
RIGHTSCC BY
SOURCEEurope PMC

Source: https://europepmc.org/articles/PMC13472771

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