Speech disorders in Parkinson's disease: early diagnostics and effects of medication and brain stimulation

L Brabenec, J Mekyska, Z Galaz, I Rektorova - Journal of neural …, 2017 - Springer
Hypokinetic dysarthria (HD) occurs in 90% of Parkinson's disease (PD) patients. It manifests
specifically in the areas of articulation, phonation, prosody, speech fluency, and faciokinesis …

A diagnostic marker to discriminate childhood apraxia of speech from speech delay: I. Development and description of the pause marker

LD Shriberg, EA Strand, M Fourakis, KJ Jakielski… - Journal of Speech …, 2017 - ASHA
Purpose The goal of this article (PM I) is to describe the rationale for and development of the
Pause Marker (PM), a single-sign diagnostic marker proposed to discriminate early or …

Prosodic and phonetic subtypes of primary progressive apraxia of speech

RL Utianski, JR Duffy, HM Clark, EA Strand, H Botha… - Brain and language, 2018 - Elsevier
Primary progressive apraxia of speech (PPAOS) is a clinical syndrome in which apraxia of
speech is the initial indication of neurodegenerative disease. Prior studies of PPAOS have …

The apraxia of speech rating scale: Reliability, validity, and utility

JR Duffy, PR Martin, HM Clark, RL Utianski… - American journal of …, 2023 - ASHA
Purpose: The purpose of this study was to examine the interrater reliability and validity of the
Apraxia of Speech Rating Scale (ASRS-3.5) as an index of the presence and severity of …

Primary progressive apraxia of speech: From recognition to diagnosis and care

JR Duffy, RL Utianski, KA Josephs - Aphasiology, 2021 - Taylor & Francis
Background Apraxia of speech (AOS) can be caused by neurodegenerative disease and
sometimes is its presenting sign (ie, primary progressive apraxia of speech, PPAOS). During …

New perspectives on speech motor planning and programming in the context of the four-level model and its implications for understanding the pathophysiology …

A Van Der Merwe - Aphasiology, 2021 - Taylor & Francis
Background: The complexity of speech motor control, and the incomplete conceptualisation
of phases in the transformation of the speech code from linguistic symbols to a code …

Patterns of poststroke brain damage that predict speech production errors in apraxia of speech and aphasia dissociate

A Basilakos, C Rorden, L Bonilha, D Moser… - Stroke, 2015 - Am Heart Assoc
Background and Purpose—Acquired apraxia of speech (AOS) is a motor speech disorder
caused by brain damage. AOS often co-occurs with aphasia, a language disorder in which …

[HTML][HTML] Behavioral treatment for speech and language in primary progressive aphasia and primary progressive apraxia of speech: A systematic review

LD Wauters, K Croot, HR Dial, JR Duffy… - Neuropsychology …, 2023 - Springer
Primary progressive aphasia (PPA) and primary progressive apraxia of speech (PPAOS) are
neurodegenerative syndromes characterized by progressive decline in language or speech …

A predictive model for diagnosing stroke-related apraxia of speech

KJ Ballard, L Azizi, JR Duffy, MR McNeil, M Halaki… - Neuropsychologia, 2016 - Elsevier
Diagnosis of the speech motor planning/programming disorder, apraxia of speech (AOS),
has proven challenging, largely due to its common co-occurrence with the language-based …

An update on apraxia of speech

RL Utianski, KA Josephs - Current neurology and neuroscience reports, 2023 - Springer
Abstract Purpose of Review Apraxia of speech (AOS) is a motor speech disorder that has
long been recognized to occur secondary to acute neurologic insults and, more recently, to …