Research on speech motor control and its disorders: A review and prospective

RD Kent - Journal of Communication disorders, 2000 - Elsevier
This paper reviews issues in speech motor control and a class of communication disorders
known as motor speech disorders. Speech motor control refers to the systems and strategies …

Modelling speech motor programming and apraxia of speech in the DIVA/GODIVA neurocomputational framework

HE Miller, FH Guenther - Aphasiology, 2021 - Taylor & Francis
ABSTRACT Background: The Directions Into Velocities of Articulators (DIVA) model and its
partner, the Gradient Order DIVA (GODIVA) model, provide neurobiologically grounded …

Syndromes dominated by apraxia of speech show distinct characteristics from agrammatic PPA

KA Josephs, JR Duffy, EA Strand, MM Machulda… - Neurology, 2013 - AAN Enterprises
Objective: We assessed whether clinical and imaging features of subjects with apraxia of
speech (AOS) more severe than aphasia (dominant AOS) are more similar to agrammatic …

Understanding the nature of apraxia of speech: Theory, analysis, and treatment

KJ Ballard, JP Granier, DA Robin - Aphasiology, 2000 - Taylor & Francis
Researchers have interpreted the behaviours of individuals with acquired apraxia of speech
(AOS) as impairment of linguistic phonological processing, motor control, or both. Acoustic …

Logopenic and nonfluent variants of primary progressive aphasia are differentiated by acoustic measures of speech production

KJ Ballard, S Savage, CE Leyton, AP Vogel… - PloS one, 2014 - journals.plos.org
Differentiation of logopenic (lvPPA) and nonfluent/agrammatic (nfvPPA) variants of Primary
Progressive Aphasia is important yet remains challenging since it hinges on expert based …

Temporal acoustic measures distinguish primary progressive apraxia of speech from primary progressive aphasia

JR Duffy, H Hanley, R Utianski, H Clark, E Strand… - Brain and language, 2017 - Elsevier
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 …

[HTML][HTML] Phonological simplifications, apraxia of speech and the interaction between phonological and phonetic processing

C Galluzzi, I Bureca, C Guariglia, C Romani - Neuropsychologia, 2015 - Elsevier
Research on aphasia has struggled to identify apraxia of speech (AoS) as an independent
deficit affecting a processing level separate from phonological assembly and motor …

Motor programming in apraxia of speech

E Maas, DA Robin, DL Wright, KJ Ballard - Brain and Language, 2008 - Elsevier
Apraxia of Speech (AOS) is an impairment of motor programming. However, the exact nature
of this deficit remains unclear. The present study examined motor programming in AOS in …

Speech motor programming in apraxia of speech

K Deger, W Ziegler - Journal of phonetics, 2002 - Elsevier
Unilateral lesions of the left hemisphere can produce a speech motor disorder termed
apraxia of speech (AOS). AOS is often characterized as a disturbance of the programming of …

Sequential processing deficit as a shared persisting biomarker in dyslexia and childhood apraxia of speech

B Peter, H Lancaster, C Vose, K Middleton… - Clinical Linguistics & …, 2018 - Taylor & Francis
The purpose of this study was to investigate the hypothesis that individuals with dyslexia and
individuals with childhood apraxia of speech share an underlying persisting deficit in …