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Acoustic Analysis Of Internally Versus Externally Guided Speech In Parkinsons Disease
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Book Synopsis Acoustic Analysis of Internally Versus Externally Guided Speech in Parkinson's Disease by : Susannah Balestracci
Download or read book Acoustic Analysis of Internally Versus Externally Guided Speech in Parkinson's Disease written by Susannah Balestracci and published by . This book was released on 2015 with total page 48 pages. Available in PDF, EPUB and Kindle. Book excerpt: It is well established that individuals with Parkinson's disease (PD) exhibit differences in their ability to perform internally guided (IG) movements versus externally guided (EG) movements. The goal of this study was to evaluate the vocal parameters of utterances produced by ten speakers with Parkinson's disease in two contexts: covert conversation (an IG context) and sentence reading (an EG context). Analyses were centered on measures of dysfluency, speaking rate and pitch variation. Results revealed significant differences for two of the ten speakers between speaking conditions. Namely, these speakers spoke faster and more fluently in the EG condition. Findings partially align with those of the original study (Weir-Mayta, 2014) which found perceptually salient differences between IG and EG conditions for six of the ten speakers. Future research is needed to continue to explicate the effects of external cuing on motor speech performance in individuals with PD.
Book Synopsis Analysis of Speech of People with Parkinson's Disease by : Juan Rafael Orozco-Arroyave
Download or read book Analysis of Speech of People with Parkinson's Disease written by Juan Rafael Orozco-Arroyave and published by Logos Verlag Berlin GmbH. This book was released on 2016-11-11 with total page 146 pages. Available in PDF, EPUB and Kindle. Book excerpt: The analysis of speech of people with Parkinson's disease is an interesting and highly relevant topic that has attracted the research community during several years. The advances in digital signal processing and pattern recognition have motivated the research community to work on the development of computational tools to perform automatic analysis of speech. Most of the contributions on this topic are focused on sustained phonation of vowels and only consider recordings of one language. This thesis addresses two problems considering recordings of sustained phonations of vowels and continuous speech signals: (1) the automatic classification of Parkinson's patients vs. healthy speakers, and (2) the prediction of the neurological state of the patients according to the motor section of the Unified Parkinson's Disease Rating Scale (UPDRS). Recordings of three languages are considered: Spanish, German, and Czech. German and Czech data were provided by other researchers, and Spanish data were recorded in Medellin, Colombia, during the development of this work. Besides the classical approaches to assess pathological speech, a new method to model articulation deficits of Parkinson's patients is proposed. This new articulation modeling approach shows to be more accurate and robust than others to discriminate between Parkinson's patients and healthy speakers in the three considered languages.
Book Synopsis Perceptual-acoustic Analysis of Voice Quality Associated with Parkinson's Disease Using Self-organizing Maps by : Kristin M. Rosen
Download or read book Perceptual-acoustic Analysis of Voice Quality Associated with Parkinson's Disease Using Self-organizing Maps written by Kristin M. Rosen and published by . This book was released on 2005 with total page 152 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :Lisa Marie Odlozinski Publisher :National Library of Canada = Bibliothèque nationale du Canada ISBN 13 :9780612307384 Total Pages :133 pages Book Rating :4.3/5 (73 download)
Book Synopsis An Acoustic Analysis of Speech Rate Control Procedures in Parkinson's Disease [microform] by : Lisa Marie Odlozinski
Download or read book An Acoustic Analysis of Speech Rate Control Procedures in Parkinson's Disease [microform] written by Lisa Marie Odlozinski and published by National Library of Canada = Bibliothèque nationale du Canada. This book was released on 1998 with total page 133 pages. Available in PDF, EPUB and Kindle. Book excerpt: This study was designed to examine the effect of four rate control procedures on speech rate in Parkinson's Disease (PD) and normal subjects. Utterance duration of a target phrase across fast and slow speaking conditions was measured during the following rate control procedures: magnitude production, delayed auditory feedback, computerized rhythmic pacing, and metronome pacing. The main findings were that PD subjects produced a faster rate of speech than normals during the slowest speech conditions of magnitude production, thereby underestimating the scaling of their speech at the slowest end of the continuum. In addition, it was found that PD subjects were more variable than normals during the slowest speech rate conditions of each rate control procedure. Furthermore, during the visuomotor speech task of the computerized rhythmic pacing procedure, PD subjects produced more variable speech rates. These results appear to be in general agreement with previous studies of speech rate in patients with PD.
Book Synopsis An Acoustic Analysis of Vowels Produced During Spontaneous Speech by Patients with Parkinson's Disease by : Amy Lynn Balistreri
Download or read book An Acoustic Analysis of Vowels Produced During Spontaneous Speech by Patients with Parkinson's Disease written by Amy Lynn Balistreri and published by . This book was released on 1994 with total page 176 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Effect of Speaking Task on Intelligibility and Naturalness in Speakers with Parkinson's Disease and Cerebellar Disease by : Phillip Charles Weir-Mayta
Download or read book Effect of Speaking Task on Intelligibility and Naturalness in Speakers with Parkinson's Disease and Cerebellar Disease written by Phillip Charles Weir-Mayta and published by . This book was released on 2014 with total page 84 pages. Available in PDF, EPUB and Kindle. Book excerpt: It is well established that individuals with Parkinson's disease (PD) have difficulty performing skilled movement when forced to rely on internal cues versus responses guided by external stimuli. This discrepancy has been attributed to the dysfunctional basal ganglia lacking an adequate, internally generated model causing persons with PD to become overly reliant on external cues to guide skilled movement. The extent to which speech production aligns with theories of internal versus external cuing is not well understood. The purpose of this study was to examine the effect of an internally versus externally cued speech task on the understandability and naturalness of speakers with PD and a clinical comparison group of speakers with cerebellar disease (CD) as perceived by 10 experienced speech-language pathologists. A direct comparison was made between sentences extracted from a covertly recorded conversational sample (internally cued) and the reading of those same sentences by the speakers (externally cued). The listeners rated the speech samples using a visual analog scale for the perceptual dimensions of understandability and naturalness. Results suggest that experienced listeners perceived the speech of participants with PD as more natural and more understandable during the reading condition. The cerebellar group also demonstrated a difference between speaking conditions, but only for understandability. Thus, the percept of naturalness appeared to be sensitive to capturing the differences between speakers with Parkinson's disease and cerebellar disease.
Book Synopsis An Acoustic Analysis of Speech Rate Control Procedures in Parkinson's Disease by :
Download or read book An Acoustic Analysis of Speech Rate Control Procedures in Parkinson's Disease written by and published by . This book was released on 1998 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Automatic Assessment of Parkinsonian Speech by : Juan I. Godino-Llorente
Download or read book Automatic Assessment of Parkinsonian Speech written by Juan I. Godino-Llorente and published by Springer Nature. This book was released on 2021-01-02 with total page 133 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book constitutes the revised and extended papers of the First Automatic Assessment of Parkinsonian Speech Workshop, AAPS 2019, held in Cambridge, Massachusetts, USA, in September 2019. The 6 full papers were thoroughly reviewed and selected from 15 submissions. They present recent research on the automatic assessment of parkinsonian speech from the point of view of such disciplines as machine learning, speech technology, phonetics, neurology, and speech therapy
Book Synopsis An Acoustic and Perceptual Analysis of Speaking Rate in Parkinson's Disease by : Kim Racicot
Download or read book An Acoustic and Perceptual Analysis of Speaking Rate in Parkinson's Disease written by Kim Racicot and published by . This book was released on 1996 with total page 108 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Acoustic Analysis of Intonation in Persons with Parkinson's Disease Receiving Transcranial Magnetic Stimulation and Intensive Voice Therapy by : Qiang Li
Download or read book Acoustic Analysis of Intonation in Persons with Parkinson's Disease Receiving Transcranial Magnetic Stimulation and Intensive Voice Therapy written by Qiang Li and published by . This book was released on 2018 with total page 236 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Monotony of Speech Production in Parkinson's Disease by : Hyang-hŭi Kim
Download or read book Monotony of Speech Production in Parkinson's Disease written by Hyang-hŭi Kim and published by . This book was released on 1994 with total page 438 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Acoustic Characteristics of Parkinsonian Speech by : Brian Tal Harel
Download or read book Acoustic Characteristics of Parkinsonian Speech written by Brian Tal Harel and published by . This book was released on 2004 with total page 144 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Using a Podcast Application to Collect High-quality Speech Data Online for Acoustic Analysis in People with Parkinson's Disease by : Mridhula Murali
Download or read book Using a Podcast Application to Collect High-quality Speech Data Online for Acoustic Analysis in People with Parkinson's Disease written by Mridhula Murali and published by . This book was released on 2022 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Parkinson's disease (PD) is a neurodegenerative syndrome that results in various movement abnormalities, including a resting tremor, bradykinesia (slow or reduced range of movement), rigidity due to increased muscle tone, a delay in the initiation of movements, and disturbances of postural reflexes. This can lead to secondary conditions such as depression, dementia, swallowing difficulties, and a speech disorder called hypokinetic dysarthria. The aim of this doctoral project is to find robust and "trackable" markers in hypokinetic dysarthria associated with PD across two-time points. These markers could indicate a change in PD motor symptoms. The original plan for this study was to take speech recordings of people with PD and age-matched controls, face to face in a recording studio, for acoustic analysis. However, with the onset of the COVID-19 pandemic, a change of plan was required. The move to online data collection presented several new challenges while also having a positive effect on participant numbers. This case study focuses on the data collection process used to collect speech data online from people with PD and a control group for the purpose of acoustic analysis. Issues encountered in collecting reliable speech data online are discussed, including the key factors of consideration such as audio quality, ease of the data collection process for participants, and the available methods to record speech data remotely. Finally, the application of this method of data collection in other linguistics studies and wider use in social sciences is outlined.
Book Synopsis Effects of Speaking Mode (clear, Habitual, Slow Speech) on Vowels and Intelligibility of Individuals with Parkinson's Disease by : Rebekah A. Buccheri
Download or read book Effects of Speaking Mode (clear, Habitual, Slow Speech) on Vowels and Intelligibility of Individuals with Parkinson's Disease written by Rebekah A. Buccheri and published by . This book was released on 2013 with total page 336 pages. Available in PDF, EPUB and Kindle. Book excerpt: The present study examined the effects of speaking mode (clear, habitual, slow speech) on speech production and speech perception of individuals with and without Parkinson's disease. In the speech production task there were 21 speakers who read the Farm passage in habitual, clear and slow speech modes. Acoustic analysis involving the assessment of the first and second formant frequencies was performed using vowel space areas, vowel dispersions, /i-alpha/ distances for both tense and lax vowels produced in each of the speaking conditions. Duration ratios of both the tense and lax vowels were also examined in each condition. Effects of the conditions on perception were investigated in two listening tasks. In the first task, 3 listeners heard a subset of speakers from the production portion. In a forced choice task the listeners then selected the vowel they preferred in a given speaking condition. In the second listening task, 10 listeners used a 7-point Likert rating scale to rate 4 sentences produced in each of the 3 conditions for the 21 speakers. Production results showed that vowel space areas were larger in the clear and slow conditions compared to habitual, with no statistically significant difference between clear and slow. Results from the first listening task showed a preference for vowels in clear speech mode, and the second showed that speakers were rated most intelligible in clear speech mode.
Book Synopsis Loudness Perception and Speech Intensity Control in Parkinson's Disease by : Jenna Paula Clark
Download or read book Loudness Perception and Speech Intensity Control in Parkinson's Disease written by Jenna Paula Clark and published by . This book was released on 2012 with total page 342 pages. Available in PDF, EPUB and Kindle. Book excerpt: This study investigated the role of loudness perception and selected auditory processes in 17 participants with hypophonia related to Parkinson's disease (PD) and 25 controls. For most of the five loudness perception tasks (magnitude estimation, imitation, speech-to-noise judgment, magnitude production, magnitude production in noise), the PD participants produced a significantly different pattern and used a more restricted range than the controls in their self-generated estimates of speech intensity and judgments of speech loudness. Results from two self-assessment questionnaires (CETI-M, M-SAPP) found that the PD participants perceived themselves as less effective communicators than controls. An audiometric evaluation suggested that the PD participants may have abnormalities related to higher admittance values, higher acoustic reflex thresholds and higher pure-tone thresholds for lower frequencies. These results suggest that individuals with PD may have a speech loudness perception deficit involving the abnormal perception of externally-generated and self-generated speech intensity stimuli.
Book Synopsis Acoustic Characteristics of Parkinsonian Speech Before and After Morning Medication by : Alexander Michael Goberman
Download or read book Acoustic Characteristics of Parkinsonian Speech Before and After Morning Medication written by Alexander Michael Goberman and published by . This book was released on 2000 with total page 370 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Effects of Intensive Voice Treatment on Speech Intelligibility and Acoustics of Mandarin Speakers with Hypokinetic Dysarthria Due to Parkinson’s Disease by : Sih-Chiao Hsu
Download or read book The Effects of Intensive Voice Treatment on Speech Intelligibility and Acoustics of Mandarin Speakers with Hypokinetic Dysarthria Due to Parkinson’s Disease written by Sih-Chiao Hsu and published by . This book was released on 2017 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Hypokinetic dysarthria is a speech disorder that commonly occurs in individuals with Parkinson’s disease (PD). However, little is known about the speech characteristics and the effects of speech treatment on the speech of Mandarin speakers with hypokinetic dysarthria (henceforth, Mandarin speakers with PD). The purpose of this dissertation was to investigate the effects of intensive voice treatment on the speech intelligibility and acoustics of this population. This dissertation consisted of three papers. The first paper, “Acoustic and perceptual speech characteristics of native Mandarin speakers with Parkinson’s disease,” investigated the general speech characteristics of 11 Mandarin speakers with PD. Intelligibility and acoustic outcomes were reported and compared to seven age- and gender-matched neurologically healthy controls. Findings from this study showed that Mandarin speakers with PD exhibited decreased intelligibility, local pitch variation, vowel space area, speech rate, and rate variation.
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