How does our voice change as we age? A systematic review and meta-analysis of acoustic and perceptual voice data from healthy adults over 50 years of age

S Rojas, E Kefalianos, A Vogel - Journal of Speech, Language, and Hearing …, 2020 - ASHA
Purpose Approximately 30% of adults over the age of 50 years present with altered vocal
function. Our understanding of how these changes manifest acoustically and perceptually is …

Biological and acoustic sex differences in rat ultrasonic vocalization

C Lenell, CK Broadfoot, NE Schaen-Heacock… - Brain Sciences, 2021 - mdpi.com
The rat model is a useful tool for understanding peripheral and central mechanisms of
laryngeal biology. Rats produce ultrasonic vocalizations (USVs) that have communicative …

Aging voice and the laryngeal muscle atrophy

RHG Martins, AB Benito Pessin, DJ Nassib… - The …, 2015 - Wiley Online Library
Objectives/Hypothesis To study by means of morphometric measurements the severity of
vocal muscle atrophy in the elderly. Study Design Cadaver study. Setting Universidade …

Quantification of brainstem norepinephrine relative to vocal impairment and anxiety in the Pink1-/-rat model of Parkinson disease

JD Hoffmeister, CA Kelm-Nelson, MR Ciucci - Behavioural brain research, 2021 - Elsevier
Vocal communication impairment and anxiety are co-occurring and interacting signs of
Parkinson Disease (PD) that are common, poorly understood, and under-treated. Both vocal …

Respiratory muscle strength training to improve vocal function in patients with presbyphonia

M Desjardins, L Halstead, A Simpson, P Flume… - Journal of Voice, 2022 - Elsevier
Summary Background and Objective The effects of presbyphonia are compounded by the
decline in respiratory function that occurs with age. Commonly recommended exercises to …

A cross-sectional study of perceptual and acoustic voice characteristics in healthy aging

BG Schultz, S Rojas, M St John, E Kefalianos… - Journal of Voice, 2023 - Elsevier
Purpose The human voice qualitatively changes across the lifespan. Although some of these
vocal changes may be pathologic, other changes likely reflect natural physiological aging …

Exercise science and the vocalist

AM Johnson, MJ Sandage - Journal of Voice, 2021 - Elsevier
The application of exercise science training knowledge has been of growing interest to voice
professionals. This tutorial, derived from the authors' invited presentations from the “Exercise …

Rat models of vocal deficits in Parkinson's disease

MN Krasko, JD Hoffmeister, NE Schaen-Heacock… - Brain Sciences, 2021 - mdpi.com
Parkinson's disease (PD) is a progressive, degenerative disorder that affects 10 million
people worldwide. More than 90% of individuals with PD develop hypokinetic dysarthria, a …

A tutorial of the effects of sex hormones on laryngeal senescence and neuromuscular response to exercise

C Lenell, MJ Sandage, AM Johnson - Journal of Speech, Language, and …, 2019 - ASHA
Purpose The purpose of this tutorial is to summarize how sex hormones affect both laryngeal
senescence and neuromuscular response to exercise, highlighting the importance of …

Muscle bioenergetic considerations for intrinsic laryngeal skeletal muscle physiology

MJ Sandage, AG Smith - Journal of Speech, Language, and Hearing …, 2017 - ASHA
Purpose Intrinsic laryngeal skeletal muscle bioenergetics, the means by which muscles
produce fuel for muscle metabolism, is an understudied aspect of laryngeal physiology with …