{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,29]],"date-time":"2026-09-29T03:32:46Z","timestamp":1790652766676,"version":"4.1.0"},"reference-count":41,"publisher":"Elsevier BV","license":[{"start":{"date-parts":[[2017,5,1]],"date-time":"2017-05-01T00:00:00Z","timestamp":1493596800000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/www.elsevier.com\/tdm\/userlicense\/1.0\/"}],"content-domain":{"domain":["elsevier.com","sciencedirect.com"],"crossmark-restriction":true},"short-container-title":["Brain and Language"],"published-print":{"date-parts":[[2017,5]]},"DOI":"10.1016\/j.bandl.2017.01.012","type":"journal-article","created":{"date-parts":[[2017,2,7]],"date-time":"2017-02-07T12:32:24Z","timestamp":1486470744000},"page":"84-94","update-policy":"https:\/\/doi.org\/10.1016\/elsevier_cm_policy","source":"Crossref","is-referenced-by-count":62,"special_numbering":"C","title":["Temporal acoustic measures distinguish primary progressive apraxia of speech from primary progressive aphasia"],"prefix":"10.1016","volume":"168","author":[{"given":"Joseph R.","family":"Duffy","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Holly","family":"Hanley","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Rene","family":"Utianski","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Heather","family":"Clark","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Edythe","family":"Strand","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Keith A.","family":"Josephs","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jennifer L.","family":"Whitwell","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"78","reference":[{"key":"10.1016\/j.bandl.2017.01.012_b0005","doi-asserted-by":"crossref","first-page":"370","DOI":"10.1016\/j.jneuroling.2008.12.001","article-title":"Non-fluent speech in frontotemporal lobar degeneration","volume":"22","author":"Ash","year":"2009","journal-title":"Journal of Neurolinguistics"},{"key":"10.1016\/j.bandl.2017.01.012_b0010","doi-asserted-by":"crossref","first-page":"129","DOI":"10.1016\/j.neuropsychologia.2015.12.010","article-title":"A predictive model for diagnosing stroke-related apraxia of speech","volume":"81","author":"Ballard","year":"2016","journal-title":"Neuropsychologia"},{"key":"10.1016\/j.bandl.2017.01.012_b0015","doi-asserted-by":"crossref","first-page":"1","DOI":"10.1371\/journal.pone.0089864","article-title":"Logopenic and nonfluent variants of primary progressive aphasia are differentiated by acoustic measures of speech production","volume":"9","author":"Ballard","year":"2014","journal-title":"PLoS ONE"},{"key":"10.1016\/j.bandl.2017.01.012_b0020","doi-asserted-by":"crossref","first-page":"316","DOI":"10.1044\/2015_AJSLP-14-0118","article-title":"Treatment for acquired apraxia of speech: A systematic review of intervention research between 2004 and 2012","volume":"24","author":"Ballard","year":"2015","journal-title":"American Journal of Speech-Language Pathology"},{"key":"10.1016\/j.bandl.2017.01.012_b0025","unstructured":"Boersma, P. & Weenink, D. (2014). Praat: Doing phonetics by computer (Version 5.3.63) [Computer software]. Amsterdam, the Netherlands: Institute of Phonetic Sciences. <http:\/\/www.praat.org>."},{"key":"10.1016\/j.bandl.2017.01.012_b0030","doi-asserted-by":"crossref","first-page":"1729","DOI":"10.1212\/WNL.0000000000000412","article-title":"Nonverbal oral apraxia in primary progressive aphasia and apraxia of speech","volume":"82","author":"Botha","year":"2014","journal-title":"Neurology"},{"key":"10.1016\/j.bandl.2017.01.012_b0035","doi-asserted-by":"crossref","first-page":"220","DOI":"10.1016\/j.cortex.2015.05.013","article-title":"Classification and clinicoradiologic features of primary progressive aphasia (PPA) and apraxia of speech","volume":"69","author":"Botha","year":"2015","journal-title":"Cortex"},{"key":"10.1016\/j.bandl.2017.01.012_b0040","doi-asserted-by":"crossref","first-page":"602","DOI":"10.1016\/j.jneuroling.2013.04.003","article-title":"The effects of initiation, termination and inhibition impairments on speech rate in a case of progressive nonfluent aphasia with progressive apraxia of speech with frontotemporal degeneration","volume":"26","author":"Code","year":"2013","journal-title":"Journal of Neurolinguistics"},{"key":"10.1016\/j.bandl.2017.01.012_b0045","doi-asserted-by":"crossref","first-page":"224","DOI":"10.1044\/jshr.2602.224","article-title":"Spectrographic analysis of vowel and word duration in apraxia of speech","volume":"26","author":"Collins","year":"1983","journal-title":"Journal of Speech and Hearing Research"},{"key":"10.1016\/j.bandl.2017.01.012_b0050","doi-asserted-by":"crossref","first-page":"S1562","DOI":"10.1044\/1092-4388(2012\/11-0323)","article-title":"Apraxia of speech and phonological errors in the diagnosis of nonfluent\/agrammatic and logopenic variants of primary progressive aphasia","volume":"55","author":"Croot","year":"2012","journal-title":"Journal of Speech, Language and Hearing Research"},{"key":"10.1016\/j.bandl.2017.01.012_b0055","doi-asserted-by":"crossref","first-page":"665","DOI":"10.1093\/brain\/85.4.665","article-title":"The Token Test: A sensitive test to detect receptive disturbances in aphasics","volume":"85","author":"De Renzi","year":"1962","journal-title":"Brain"},{"key":"10.1016\/j.bandl.2017.01.012_b0060","doi-asserted-by":"crossref","first-page":"511","DOI":"10.1080\/02687030600597358","article-title":"Apraxia of speech in degenerative neurologic disease","volume":"20","author":"Duffy","year":"2006","journal-title":"Aphasiology"},{"key":"10.1016\/j.bandl.2017.01.012_b0065","doi-asserted-by":"crossref","first-page":"88","DOI":"10.1044\/2015_AJSLP-14-0174","article-title":"Primary progressive apraxia of speech: Clinical features and acoustic and neurologic correlates","volume":"24","author":"Duffy","year":"2015","journal-title":"American Journal of Speech-Language Pathology"},{"key":"10.1016\/j.bandl.2017.01.012_b0070","doi-asserted-by":"crossref","first-page":"1004","DOI":"10.1080\/02687038.2013.869307","article-title":"Motor speech disorders associated with primary progressive aphasia","volume":"28","author":"Duffy","year":"2014","journal-title":"Aphasiology"},{"key":"10.1016\/j.bandl.2017.01.012_b0075","doi-asserted-by":"crossref","first-page":"1006","DOI":"10.1212\/WNL.0b013e31821103e6","article-title":"Classification of primary progressive aphasia and its variants","volume":"76","author":"Gorno-Tempini","year":"2011","journal-title":"Neurology"},{"key":"10.1016\/j.bandl.2017.01.012_b0080","doi-asserted-by":"crossref","first-page":"S1502","DOI":"10.1044\/1092-4388(2012\/11-0318)","article-title":"Toward a quantitative basis for assessment and diagnosis of apraxia of speech","volume":"55","author":"Haley","year":"2012","journal-title":"Journal of Speech, Language and Hearing Research"},{"key":"10.1016\/j.bandl.2017.01.012_b0085","doi-asserted-by":"crossref","first-page":"397","DOI":"10.1006\/brln.2001.2494","article-title":"Word length and vowel duration in apraxia of speech: The use of relative measures","volume":"79","author":"Haley","year":"2001","journal-title":"Brain and Language"},{"key":"10.1016\/j.bandl.2017.01.012_b0090","doi-asserted-by":"crossref","first-page":"1","DOI":"10.1212\/01.wnl.0000436070.28137.7b","article-title":"Classification and pathology of primary progressive aphasia","volume":"81","author":"Harris","year":"2013","journal-title":"Neurology"},{"key":"10.1016\/j.bandl.2017.01.012_b0095","doi-asserted-by":"crossref","first-page":"1","DOI":"10.1212\/WNL.0b013e31829c5ed5","article-title":"Syndromes dominated by apraxia of speech show distinct characteristics from agrammatic PPA","volume":"81","author":"Josephs","year":"2013","journal-title":"Neurology"},{"key":"10.1016\/j.bandl.2017.01.012_b0100","doi-asserted-by":"crossref","first-page":"1522","DOI":"10.1093\/brain\/aws032","article-title":"Characterizing a neurodegeneration syndrome: Primary progressive apraxia of speech","volume":"135","author":"Josephs","year":"2012","journal-title":"Brain"},{"key":"10.1016\/j.bandl.2017.01.012_b0105","doi-asserted-by":"crossref","first-page":"1385","DOI":"10.1093\/brain\/awl078","article-title":"Clinicopathological and imaging correlates of progressive aphasia and apraxia of speech","volume":"129","author":"Josephs","year":"2006","journal-title":"Brain"},{"key":"10.1016\/j.bandl.2017.01.012_b0110","series-title":"Phonetic approaches to speech production in aphasia and related disorders","first-page":"181","article-title":"Relative timing of sentence repetition in apraxia of speech and conduction aphasia","author":"Kent","year":"1987"},{"key":"10.1016\/j.bandl.2017.01.012_b0115","series-title":"Western aphasia battery (revised)","author":"Kertesz","year":"2007"},{"key":"10.1016\/j.bandl.2017.01.012_b0120","doi-asserted-by":"crossref","first-page":"2734","DOI":"10.1093\/brain\/awp207","article-title":"Making sense of progressive non-fluent aphasia: An analysis of conversational speech","volume":"132","author":"Knibb","year":"2009","journal-title":"Brain"},{"key":"10.1016\/j.bandl.2017.01.012_b0125","doi-asserted-by":"crossref","first-page":"963","DOI":"10.1016\/j.cortex.2011.03.010","article-title":"Progressive apraxia of speech as a window into the study of speech planning processes","volume":"48","author":"Laganaro","year":"2012","journal-title":"Cortex"},{"key":"10.1016\/j.bandl.2017.01.012_b0130","doi-asserted-by":"crossref","first-page":"481","DOI":"10.1093\/arclin\/14.6.481","article-title":"An empirically derived short form of the Boston Naming Test","volume":"14","author":"Lansing","year":"1999","journal-title":"Archives of Clinical Neuropsychology"},{"key":"10.1016\/j.bandl.2017.01.012_b0135","series-title":"Clinical management of sensorimotor speech disorders","first-page":"249","article-title":"Apraxia of speech","author":"McNeil","year":"2009"},{"key":"10.1016\/j.bandl.2017.01.012_b0140","doi-asserted-by":"crossref","first-page":"67","DOI":"10.1044\/jshr.3401.67","article-title":"Perceptual characteristics of vowel and prosody production in apraxic, aphasic, and dysarthric speakers","volume":"34","author":"Odell","year":"1991","journal-title":"Journal of Speech and Hearing Research"},{"key":"10.1016\/j.bandl.2017.01.012_b0145","doi-asserted-by":"crossref","first-page":"S23","DOI":"10.1097\/WAD.0b013e31815d19fe","article-title":"Progressive nonfluent aphasia and its characteristic motor speech deficits","volume":"21","author":"Ogar","year":"2007","journal-title":"Alzheimer\u2019s Disease and Associated Disorders"},{"key":"10.1016\/j.bandl.2017.01.012_b0150","doi-asserted-by":"crossref","first-page":"1223","DOI":"10.1080\/02687038.2014.910591","article-title":"Phonologic errors in the logopenic variant of primary progressive aphasia","volume":"28","author":"Petroi","year":"2014","journal-title":"Aphasiology"},{"key":"10.1016\/j.bandl.2017.01.012_b0155","doi-asserted-by":"crossref","first-page":"793","DOI":"10.1080\/026870399401885","article-title":"Planning speech one syllable at a time: The reduced buffer capacity hypothesis in apraxia of speech","volume":"13","author":"Rogers","year":"1999","journal-title":"Aphasiology"},{"key":"10.1016\/j.bandl.2017.01.012_b0160","doi-asserted-by":"crossref","first-page":"1670","DOI":"10.1212\/WNL.0b013e3182574f79","article-title":"Primary progressive aphasia: A tale of two syndromes and the rest","volume":"78","author":"Sajjadi","year":"2012","journal-title":"Neurology"},{"key":"10.1016\/j.bandl.2017.01.012_b0165","doi-asserted-by":"crossref","first-page":"1219","DOI":"10.1080\/02687038.2012.710318","article-title":"Abnormalities of connected speech in the non-semantic variants of primary progressive aphasia","volume":"26","author":"Sajjadi","year":"2012","journal-title":"Aphasiology"},{"key":"10.1016\/j.bandl.2017.01.012_b0170","doi-asserted-by":"crossref","first-page":"43","DOI":"10.1016\/j.jcomdis.2014.06.008","article-title":"The Apraxia of Speech Rating Scale: A new tool for diagnosis and description of AOS","volume":"51","author":"Strand","year":"2014","journal-title":"Journal of Communication Disorders"},{"key":"10.1016\/j.bandl.2017.01.012_b0175","doi-asserted-by":"crossref","first-page":"1018","DOI":"10.1044\/jshr.3905.1018","article-title":"Effects of length and linguistic complexity on temporal acoustic measures in apraxia of speech","volume":"39","author":"Strand","year":"1996","journal-title":"Journal of Speech and Hearing Research"},{"key":"10.1016\/j.bandl.2017.01.012_b0180","doi-asserted-by":"crossref","first-page":"554","DOI":"10.1080\/02687038.2014.889275","article-title":"An acoustic measure of lexical stress differentiates aphasia and aphasia plus apraxia of speech after stroke","volume":"28","author":"Vergis","year":"2014","journal-title":"Aphasiology"},{"key":"10.1016\/j.bandl.2017.01.012_b0185","doi-asserted-by":"crossref","first-page":"245","DOI":"10.1016\/j.bandl.2013.02.005","article-title":"Distinct regional anatomic and functional correlates of neurodegenerative apraxia of speech and aphasia: An MRI and FDG-PET study","volume":"125","author":"Whitwell","year":"2013","journal-title":"Brain and Language"},{"key":"10.1016\/j.bandl.2017.01.012_b0190","doi-asserted-by":"crossref","first-page":"1558","DOI":"10.1016\/j.neuroimage.2009.05.085","article-title":"Automated MRI-based classification of primary progressive aphasia variants","volume":"47","author":"Wilson","year":"2009","journal-title":"Neuroimage"},{"key":"10.1016\/j.bandl.2017.01.012_b0195","first-page":"35","article-title":"Speech deterioration in amyotrophic lateral sclerosis: Implications for timing of intervention","volume":"1","author":"Yorkston","year":"1993","journal-title":"Journal of Medical Speech-Language Pathology"},{"key":"10.1016\/j.bandl.2017.01.012_b0200","doi-asserted-by":"crossref","first-page":"631","DOI":"10.1080\/01690960802327989","article-title":"Modeling the architecture of phonetic plans: Evidence from apraxia of speech","volume":"24","author":"Ziegler","year":"2009","journal-title":"Langauge and Cognitive Processes"},{"key":"10.1016\/j.bandl.2017.01.012_b0205","doi-asserted-by":"crossref","first-page":"34","DOI":"10.1016\/0093-934X(86)90032-5","article-title":"Disturbed coarticulation in apraxia of speech: Acoustic evidence","volume":"29","author":"Ziegler","year":"1986","journal-title":"Brain and Language"}],"container-title":["Brain and Language"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/api.elsevier.com\/content\/article\/PII:S0093934X16301316?httpAccept=text\/plain","content-type":"text\/plain","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/api.elsevier.com\/content\/article\/PII:S0093934X16301316?httpAccept=text\/xml","content-type":"text\/xml","content-version":"vor","intended-application":"text-mining"}],"deposited":{"date-parts":[[2018,9,4]],"date-time":"2018-09-04T13:27:42Z","timestamp":1536067662000},"score":1,"resource":{"primary":{"URL":"https:\/\/linkinghub.elsevier.com\/retrieve\/pii\/S0093934X16301316"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2017,5]]},"references-count":41,"alternative-id":["S0093934X16301316"],"URL":"https:\/\/doi.org\/10.1016\/j.bandl.2017.01.012","relation":{},"ISSN":["0093-934X"],"issn-type":[{"value":"0093-934X","type":"print"}],"subject":[],"published":{"date-parts":[[2017,5]]},"assertion":[{"value":"Elsevier","name":"publisher","label":"This article is maintained by"},{"value":"Temporal acoustic measures distinguish primary progressive apraxia of speech from primary progressive aphasia","name":"articletitle","label":"Article Title"},{"value":"Brain and Language","name":"journaltitle","label":"Journal Title"},{"value":"https:\/\/doi.org\/10.1016\/j.bandl.2017.01.012","name":"articlelink","label":"CrossRef DOI link to publisher maintained version"},{"value":"article","name":"content_type","label":"Content Type"},{"value":"\u00a9 2017 Elsevier Inc. All rights reserved.","name":"copyright","label":"Copyright"}]}}