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Related Experiment Video

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Minimally Invasive Murine Laryngoscopy for Close-Up Imaging of Laryngeal Motion During Breathing and Swallowing

Minimally Invasive Murine Laryngoscopy for Close-Up Imaging of Laryngeal Motion During Breathing and Swallowing

Published on: December 1, 2023

Post-laryngectomy speech respiration patterns.

Cara E Stepp¹, James T Heaton, Robert E Hillman

¹Center for Laryngeal Surgery and Voice Rehabilitation, Massachusetts General Hospital, Boston, Massachusetts 02114, USA.

The Annals of Otology, Rhinology, and Laryngology

|September 6, 2008

Summary

This summary is machine-generated.

Speech breathing patterns change after laryngectomy, with users inhaling during speech. These respiratory changes may help develop better electrolarynx (artificial voice) control systems.

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Area of Science:

Laryngology
Speech-Language Pathology
Biomedical Engineering

Background:

Total laryngectomy necessitates alternative communication methods.
Electrolarynx (EL) devices provide alaryngeal speech.
Understanding speech breathing in EL users is crucial for optimizing communication.

Purpose of the Study:

To investigate longitudinal changes in speech breathing patterns of electrolarynx users post-laryngectomy.
To explore the feasibility of using respiratory signals for controlling artificial voice sources.

Main Methods:

Prospective study of 6 individuals within 1-2 years post-laryngectomy and 8 individuals with longer-term laryngectomy.
Speech tasks (counting, days of the week) analyzed using inductance plethysmography.
Respiratory patterns during electrolarynx speech were recorded and analyzed.

Main Results:

All laryngectomy patients inhaled during speech, unlike normal speech production (exhalation only).
Longitudinal analysis revealed increased frequency of inhalation during speech over time post-laryngectomy.
Inhalation during speech was more pronounced in electrolarynx users compared to tracheoesophageal speech users.

Conclusions:

Speech breathing behaviors evolve after laryngectomy in electrolarynx users.
Respiratory signal analysis offers potential for developing more natural, physiologically controlled electrolarynx systems.