Publications by authors named "Mara Suzana Behlau"

Purpose: To compare the acoustic measurements of Cepstral Peak Prominence Smoothed (CPPS) and Acoustic Voice Quality Index (AVQI) of children with normal and altered voices, to relationship with auditory-perceptual judgment (APJ) and to establish cut-off points.

Methods: Vocal recordings of the sustained vowel and number counting tasks of 185 children were selected from a database and submitted to acoustic analysis with extraction of CPPS and AVQI measurements, and to APJ. The APJ was performed individually for each task, classified as normal or altered, and for the tasks together defining whether the child would pass or fail in a situation of vocal screening.

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Purpose: To investigate the immediate impact on the voice of gospel singers with and without vocal complaints after a one-hour individual presentation.

Methods: Application of an online questionnaire that addressed the following aspects: 1 - Sociodemographic data; 2 - Self-assessment of the ability to sing using the Evaluation of the Ability to Sing Easily (EASE-BR) protocol; 3 - Self-assessment of vocal fatigue symptoms using the Vocal Fatigue Index (VFI) protocol; and 4 - Self-assessment of voice handicap using the Voice Handicap Index 10 (VHI-10) protocol. Participants were divided into two groups: Group with Vocal Complaint (WVC) and Group with no Vocal Complaint (WnVC) based on the total score of the IDV-10.

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Purpose: To analyze the perception of choristers who perform online rehearsals about symptoms, vocal disadvantages, adaptations in the singing routine and difficulties in rehearsals during social distancing due to the COVID-19 pandemic.

Method: Application of an online questionnaire investigating perceptions about the voice and singing routine and rehearsal of 141 choristers who did not have COVID-19 disease and continued in remote activity until April 2021. Participants were divided in two groups according to the age: G1 (18 to 54 years old) and G2 (55 years old or more).

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Purpose The objective of this study was to investigate the knowledge of preachers about aspects of vocal health and hygiene and evaluate talkativeness and vocal loudness self-perceived during labor and extra-labor situations aiming to understand the possibility of vocal risk in these professionals. Methods Fifty male preachers aged 22 to 73 years were evaluated. They responded to two self-assessment questionnaires on vocal health and hygiene and talkativeness and vocal loudness.

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Objectives/hypothesis: This study aimed to verify the relationships among voice change complaints, indicators of competence, and behavioral problems in children and adolescents.

Study Design: This is a prospective study.

Methods: A sample of 103 parents/guardians completed the Child Behavior Checklist for ages 6-18 years.

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Background: Quality and frequency variability of adolescents' voice, during puberty, in different phonation tasks.

Aim: To analyze the vocal stability of adolescents in three different phonation tasks using a voice perceptual analysis.

Method: Participants were male students (n = 46 individuals), ranging in age from 13 to 15 years, from a public school in Campinas--SP.

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Unlabelled: Long-term complications in levodopa treated Parkinson's disease (PD) patients caused a resurgence of interest in pallidotomy as an option of treatment. However, postoperative complications such as speech disorders can occur.

Purpose: The aim of this study is to evaluate the acoustic voice in PD patients, before and after posteroventral pallidotomy.

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Cerebral palsy is a condition that may be associated with swallowing disorders, that is, oropharingeal dysphagia. The aim of this study was to characterize and compare the swallowing processes of 32 children with this condition, by clinical and videofluoroscopic evaluation, with special focus on tracheal aspiration detectability. Results show an important compromise of oral phase.

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