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Apraxia of speech

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https://www.readbyqxmd.com/read/28314241/characterizing-articulation-in-apraxic-speech-using-real-time-magnetic-resonance-imaging
#1
Christina Hagedorn, Michael Proctor, Louis Goldstein, Stephen M Wilson, Bruce Miller, Maria Luisa Gorno-Tempini, Shrikanth S Narayanan
Purpose: Real-time magnetic resonance imaging (MRI) and accompanying analytical methods are shown to capture and quantify salient aspects of apraxic speech, substantiating and expanding upon evidence provided by clinical observation and acoustic and kinematic data. Analysis of apraxic speech errors within a dynamic systems framework is provided and the nature of pathomechanisms of apraxic speech discussed. Method: One adult male speaker with apraxia of speech was imaged using real-time MRI while producing spontaneous speech, repeated naming tasks, and self-paced repetition of word pairs designed to elicit speech errors...
March 17, 2017: Journal of Speech, Language, and Hearing Research: JSLHR
https://www.readbyqxmd.com/read/28289749/motor-speech-phenotypes-of-frontotemporal-dementia-primary-progressive-aphasia-and-progressive-apraxia-of-speech
#2
Matthew L Poole, Amy Brodtmann, David Darby, Adam P Vogel
Purpose: Our purpose was to create a comprehensive review of speech impairment in frontotemporal dementia (FTD), primary progressive aphasia (PPA), and progressive apraxia of speech in order to identify the most effective measures for diagnosis and monitoring, and to elucidate associations between speech and neuroimaging. Method: Speech and neuroimaging data described in studies of FTD and PPA were systematically reviewed. A meta-analysis was conducted for speech measures that were used consistently in multiple studies...
March 13, 2017: Journal of Speech, Language, and Hearing Research: JSLHR
https://www.readbyqxmd.com/read/28187331/temporal-acoustic-measures-distinguish-primary-progressive-apraxia-of-speech-from-primary-progressive-aphasia
#3
Joseph R Duffy, Holly Hanley, Rene Utianski, Heather Clark, Edythe Strand, Keith A Josephs, Jennifer L Whitwell
The purpose of this study was to determine if acoustic measures of duration and syllable rate during word and sentence repetition, and a measure of within-word lexical stress, distinguish speakers with primary progressive apraxia of speech (PPAOS) from nonapraxic speakers with the agrammatic or logopenic variants of primary progressive aphasia (PPA), and control speakers. Results revealed that the PPAOS group had longer durations and reduced rate of syllable production for most words and sentences, and the measure of lexical stress...
February 7, 2017: Brain and Language
https://www.readbyqxmd.com/read/28141716/apraxia-autism-attention-deficit-hyperactivity-disorder-do-we-have-a-new-spectrum
#4
Jayna Schumacher, Kristine E Strand, Marilyn Augustyn
Gio is a bilingual 6-year 10-month-old boy new to your practice who presents for an unscheduled visit with concerns for speech and language delay. He was born in Portugal, and his native language is Portuguese. When he was 21 months old, his family moved to Italy and then moved to the United States 3 years later. He had very little contact with other children while living in Italy, but his parents report that he has made friends quickly in the United States. His family speaks Portuguese at home, although his father is fluent in English...
February 2017: Journal of Developmental and Behavioral Pediatrics: JDBP
https://www.readbyqxmd.com/read/28074148/apraxia-of-speech-and-cerebellar-mutism-syndrome-a-case-report
#5
E De Witte, I Wilssens, D De Surgeloose, G Dua, M Moens, J Verhoeven, M Manto, P Mariën
BACKGROUND: Cerebellar mutism syndrome (CMS) or posterior fossa syndrome (PFS) consists of a constellation of neuropsychiatric, neuropsychological and neurogenic speech and language deficits. It is most commonly observed in children after posterior fossa tumor surgery. The most prominent feature of CMS is mutism, which generally starts after a few days after the operation, has a limited duration and is typically followed by motor speech deficits. However, the core speech disorder subserving CMS is still unclear...
2017: Cerebellum & Ataxias
https://www.readbyqxmd.com/read/28003922/motor-speech-apraxia-in-a-70-year-old-man-with-left-dorsolateral-frontal-arachnoid-cyst-a-18-f-fdg-pet-ct-study
#6
Nicolaas I Bohnen, Jacob Haugen, Karen Kluin, Vikas Kotagal
Motor speech apraxia is a speech disorder of impaired syllable sequencing which, when seen with advancing age, is suggestive of a neurodegenerative process affecting cortical structures in the left frontal lobe. Arachnoid cysts can be associated with neurologic symptoms due to compression of underlying brain structures though indications for surgical intervention are unclear. We present the case of a 70-year-old man who presented with a two-year history of speech changes along with decreased initiation and talkativeness, shorter utterances, and dysnomia...
2016: Case Reports in Neurological Medicine
https://www.readbyqxmd.com/read/27997948/self-judgments-of-word-production-accuracy-in-acquired-apraxia-of-speech
#7
Julie Wambaugh, Linda Shuster, Dallin J Bailey, Shannon Mauszycki, Jacob Kean, Christina Nessler, Sandra Wright, Jessica Brunsvold
Purpose: The ability to recognize one's own speech errors has long been considered a clinical feature of acquired apraxia of speech (AOS) despite limited empirical data supporting this notion. This study was designed to (a) investigate the ability of speakers with AOS to self-judge the accuracy of their own word productions and (b) examine the test-retest stability of a measure to quantify the self-judgments of speakers with AOS. Method: Twenty-four speakers with AOS and aphasia repeated mono- and multisyllabic words...
December 1, 2016: American Journal of Speech-language Pathology
https://www.readbyqxmd.com/read/27997947/the-use-of-electropalatography-in-the-treatment-of-acquired-apraxia-of-speech
#8
Shannon C Mauszycki, Sandra Wright, Nicole Dingus, Julie L Wambaugh
Purpose: This investigation was designed to examine the effects of an articulatory-kinematic treatment in conjunction with visual biofeedback (VBFB) via electropalatography (EPG) on the accuracy of articulation for acquired apraxia of speech (AOS). Method: A multiple-baseline design across participants and behaviors was used with 4 individuals with chronic AOS and aphasia. Accuracy of target speech sounds in treated and untreated phrases in probe sessions served as the dependent variable...
December 1, 2016: American Journal of Speech-language Pathology
https://www.readbyqxmd.com/read/27997946/recovering-with-acquired-apraxia-of-speech-the-first-2-years
#9
Katarina L Haley, Jennifer N Shafer, Tyson G Harmon, Adam Jacks
Purpose: This study was intended to document speech recovery for 1 person with acquired apraxia of speech quantitatively and on the basis of her lived experience. Method: The second author sustained a traumatic brain injury that resulted in acquired apraxia of speech. Over a 2-year period, she documented her recovery through 22 video-recorded monologues. We analyzed these monologues using a combination of auditory perceptual, acoustic, and qualitative methods. Results: Recovery was evident for all quantitative variables examined...
December 1, 2016: American Journal of Speech-language Pathology
https://www.readbyqxmd.com/read/27990716/quantitative-measurement-of-communication-ability-in-children-with-angelman-syndrome
#10
Joseph C Grieco, Ruth H Bahr, Mike R Schoenberg, Laura Conover, Lauren N Mackie, Edwin J Weeber
BACKGROUND: Angelman syndrome is a rare disorder in which most individuals do not develop speech. Testing of communication ability using traditional neuropsychological measures reveals a performance level at or near the floor of the instrument resulting in an inability to detect change when experimental therapeutics are applied. METHODS: Nine individuals, with molecularly confirmed AS, ranging in age from 34 to 126 months, and a single healthy control child (age 16 months) were audio and video-recorded while interacting with a licensed speech-language pathologist in an attempt to elicit vocalization and non-verbal communication...
December 19, 2016: Journal of Applied Research in Intellectual Disabilities: JARID
https://www.readbyqxmd.com/read/27960554/an-exploratory-study-of-the-influence-of-load-and-practice-on-segmental-and-articulatory-variability-in-children-with-speech-sound-disorders
#11
Janet Vuolo, Lisa Goffman
This exploratory treatment study used phonetic transcription and speech kinematics to examine changes in segmental and articulatory variability. Nine children, ages 4 to 8 years old, served as participants, including two with childhood apraxia of speech (CAS), five with speech sound disorder (SSD) and two who were typically developing. Children practised producing agent + action phrases in an imitation task (low linguistic load) and a retrieval task (high linguistic load) over five sessions. In the imitation task in session one, both participants with CAS showed high degrees of segmental and articulatory variability...
December 14, 2016: Clinical Linguistics & Phonetics
https://www.readbyqxmd.com/read/27882295/neuroanatomical-correlates-of-childhood-apraxia-of-speech-a-connectomic-approach
#12
Simona Fiori, Andrea Guzzetta, Jhimli Mitra, Kerstin Pannek, Rosa Pasquariello, Paola Cipriani, Michela Tosetti, Giovanni Cioni, Stephen E Rose, Anna Chilosi
Childhood apraxia of speech (CAS) is a paediatric speech sound disorder in which precision and consistency of speech movements are impaired. Most children with idiopathic CAS have normal structural brain MRI. We hypothesize that children with CAS have altered structural connectivity in speech/language networks compared to controls and that these altered connections are related to functional speech/language measures. Whole brain probabilistic tractography, using constrained spherical deconvolution, was performed for connectome generation in 17 children with CAS and 10 age-matched controls...
2016: NeuroImage: Clinical
https://www.readbyqxmd.com/read/27812326/a-foxp2-mutation-implicated-in-human-speech-deficits-alters-sequencing-of-ultrasonic-vocalizations-in-adult-male-mice
#13
Jonathan Chabout, Abhra Sarkar, Sheel R Patel, Taylor Radden, David B Dunson, Simon E Fisher, Erich D Jarvis
Development of proficient spoken language skills is disrupted by mutations of the FOXP2 transcription factor. A heterozygous missense mutation in the KE family causes speech apraxia, involving difficulty producing words with complex learned sequences of syllables. Manipulations in songbirds have helped to elucidate the role of this gene in vocal learning, but findings in non-human mammals have been limited or inconclusive. Here, we performed a systematic study of ultrasonic vocalizations (USVs) of adult male mice carrying the KE family mutation...
2016: Frontiers in Behavioral Neuroscience
https://www.readbyqxmd.com/read/27790241/improved-necker-cube-drawing-based-assessment-battery-for-constructional-apraxia-the-mie-constructional-apraxia-scale-mcas
#14
Masayuki Satoh, Chika Mori, Kana Matsuda, Yukito Ueda, Ken-Ichi Tabei, Hirotaka Kida, Hidekazu Tomimoto
BACKGROUND/AIMS: Constructional apraxia (CA) is usually diagnosed by having patients draw figures; however, the reported assessments only evaluate the drawn figure. We designed a new assessment battery for CA (the Mie Constructional Apraxia Scale, MCAS) which includes both the shape and drawing process, and investigated its utility against other assessment methods. METHODS: We designed the MCAS, and evaluated inter- and intrarater reliability. We also investigated the sensitivity, specificity, and positive and negative predictive values in dementia patients, and compared MCAS assessment with other reported batteries in the same subjects...
September 2016: Dementia and Geriatric Cognitive Disorders Extra
https://www.readbyqxmd.com/read/27790240/lack-of-frank-agrammatism-in-the-nonfluent-agrammatic-variant-of-primary-progressive-aphasia
#15
Naida L Graham, Carol Leonard, David F Tang-Wai, Sandra Black, Tiffany W Chow, Chris J M Scott, Alicia A McNeely, Mario Masellis, Elizabeth Rochon
BACKGROUND/AIMS: Frank agrammatism, defined as the omission and/or substitution of grammatical morphemes with associated grammatical errors, is variably reported in patients with nonfluent variant primary progressive aphasia (nfPPA). This study addressed whether frank agrammatism is typical in agrammatic nfPPA patients when this feature is not required for diagnosis. METHOD: We assessed grammatical production in 9 patients who satisfied current diagnostic criteria...
September 2016: Dementia and Geriatric Cognitive Disorders Extra
https://www.readbyqxmd.com/read/27771043/tracking-the-development-of-agrammatic-aphasia-a-tensor-based-morphometry-study
#16
Jennifer L Whitwell, Joseph R Duffy, Mary M Machulda, Heather M Clark, Edythe A Strand, Matthew L Senjem, Jeffrey L Gunter, Anthony J Spychalla, Ronald C Petersen, Clifford R Jack, Keith A Josephs
Agrammatic aphasia can be observed in neurodegenerative disorders and has been traditionally linked with damage to Broca's area, although there have been disagreements concerning whether damage to Broca's area is necessary or sufficient for the development of agrammatism. We aimed to investigate the neuroanatomical correlates of the emergence of agrammatic aphasia utilizing a unique cohort of patients with primary progressive apraxia of speech (PPAOS) that did not have agrammatism at baseline but developed agrammatic aphasia over time...
September 30, 2016: Cortex; a Journal Devoted to the Study of the Nervous System and Behavior
https://www.readbyqxmd.com/read/27750297/articulatory-control-in-childhood-apraxia-of-speech-in-a-novel-word-learning-task
#17
Julie Case, Maria I Grigos
Purpose: Articulatory control and speech production accuracy were examined in children with childhood apraxia of speech (CAS) and typically developing (TD) controls within a novel word-learning task to better understand the influence of planning and programming deficits in the production of unfamiliar words. Method: Participants included 16 children between the ages of 5 and 6 years (8 CAS, 8 TD). Short- and long-term changes in lip and jaw movement, consonant and vowel accuracy, and token-to-token consistency were measured for 2 novel words that differed in articulatory complexity...
December 1, 2016: Journal of Speech, Language, and Hearing Research: JSLHR
https://www.readbyqxmd.com/read/27707700/cognitive-linguistic-and-motor-abilities-in-a-multigenerational-family-with-childhood-apraxia-of-speech
#18
Bronwyn Carrigg, Louise Parry, Elise Baker, Lawrence D Shriberg, Kirrie J Ballard
OBJECTIVE: This study describes the phenotype in a large family with a strong, multigenerational history of severe speech sound disorder (SSD) persisting into adolescence and adulthood in approximately half the cases. Aims were to determine whether a core phenotype, broader than speech, separated persistent from resolved SSD cases; and to ascertain the uniqueness of the phenotype relative to published cases. METHOD: Eleven members of the PM family (9-55 years) were assessed across cognitive, language, literacy, speech, phonological processing, numeracy, and motor domains...
October 5, 2016: Archives of Clinical Neuropsychology: the Official Journal of the National Academy of Neuropsychologists
https://www.readbyqxmd.com/read/27625603/intensive-treatment-with-ultrasound-visual-feedback-for-speech-sound-errors-in-childhood-apraxia
#19
Jonathan L Preston, Megan C Leece, Edwin Maas
Ultrasound imaging is an adjunct to traditional speech therapy that has shown to be beneficial in the remediation of speech sound errors. Ultrasound biofeedback can be utilized during therapy to provide clients with additional knowledge about their tongue shapes when attempting to produce sounds that are erroneous. The additional feedback may assist children with childhood apraxia of speech (CAS) in stabilizing motor patterns, thereby facilitating more consistent and accurate productions of sounds and syllables...
2016: Frontiers in Human Neuroscience
https://www.readbyqxmd.com/read/27591108/post-stroke-pure-apraxia-of-speech-a-rare-experience
#20
Katarzyna Ewa Polanowska, Iwona Pietrzyk-Krawczyk
Apraxia of speech (AOS) is a motor speech disorder, most typically caused by stroke, which in its "pure" form (without other speech-language deficits) is very rare in clinical practice. Because some observable characteristics of AOS overlap with more common verbal communication neurologic syndromes (i.e. aphasia, dysarthria) distinguishing them may be difficult. The present study describes AOS in a 49-year-old right-handed male after left-hemispheric stroke. Analysis of his articulatory and prosodic abnormalities in the context of intact communicative abilities as well as description of symptoms dynamics over time provides valuable information for clinical diagnosis of this specific disorder and prognosis for its recovery...
November 2016: Neurologia i Neurochirurgia Polska
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