Effects of utterance rate and length on the spatiotemporal index in Parkinson ’s disease

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Source: International Journal of Speech-Language Pathology - Category: Speech-Language Pathology Authors: Source Type: research

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Conclusions Producing fewer marked silent pauses, coupled with longer silent pauses, reduces natural cues to discourse and puts people with PD at greater risk of sounding unnatural and losing their communicative turn. These results suggest that automatic responses regarding speech production difficulties are impaired by PD. This interpretation fits with nonspeech literature where automatic responses have been demonstrated to be impaired in PD. PMID: 31306603 [PubMed - in process]
Source: American Journal of Speech-Language Pathology - Category: Speech-Language Pathology Authors: Tags: Am J Speech Lang Pathol Source Type: research
Conclusions The relationship between F2 slope and intelligibility in PD was affected by lexical factors and listening conditions. F2 slope was more strongly related to intelligibility in noise than in quiet for speakers with PD. This relationship was absent in highly frequent words presented in quiet and those with fewer lexical neighbors. PMID: 31306601 [PubMed - in process]
Source: American Journal of Speech-Language Pathology - Category: Speech-Language Pathology Authors: Tags: Am J Speech Lang Pathol Source Type: research
Conclusion These findings suggest that speakers with PD exhibit less clarity-related increase in silent interval duration than control speakers. In addition, speakers with PD exhibited significant increases in silent interval duration that coincided with syntactic boundaries of the reading passage but little to no clarity-related modulation of stop gap intervals. Therefore, these data suggest that speakers with PD exhibited changes in silent interval durations that were more so associated with modulation of speech prosody than articulation when using a clearer speaking style. PMID: 31306598 [PubMed - in process]
Source: American Journal of Speech-Language Pathology - Category: Speech-Language Pathology Authors: Tags: Am J Speech Lang Pathol Source Type: research
Conclusions Overall, there were little to no changes in speech production when a low-demand oscillatory motor task was performed with concurrent reading. For the extemporaneous task, however, individuals with PD exhibited significant changes when the speech and manual tasks were performed concurrently, a pattern that was not observed for control speakers. Supplemental Material https://doi.org/10.23641/asha.8637008. PMID: 31306612 [PubMed - in process]
Source: Journal of speech, language, and hearing research : JSLHR - Category: Speech-Language Pathology Authors: Tags: J Speech Lang Hear Res Source Type: research
Conclusions Findings suggest that a tongue-specific articulatory impairment underlies acoustic vowel contrast deterioration in talkers with PD, at least during the early stages of speech decline. Findings further suggest that slow speech engages the impaired tongue more than loud and clear speech in talkers with PD. However, slow speech was also associated with an abnormally strong jaw response in these talkers, which suggests that a compensatory articulatory behavior may also be elicited. PMID: 31306611 [PubMed - in process]
Source: Journal of speech, language, and hearing research : JSLHR - Category: Speech-Language Pathology Authors: Tags: J Speech Lang Hear Res Source Type: research
Conclusions Using vowel space metrics calculated from formant traces of the reading passage, the current work suggests that speakers with PD do indeed reach the more peripheral regions of the vowel space during connected speech but spend a larger percentage of the time in more central regions of formant space than healthy speakers. Additionally, working vowel space metrics based on the distribution of formant data suggested that speakers with PD exhibited less of a clarity-related increase in formant space than controls, a trend that was not observed for perimeter-based measures of vowel space area. PMID: 31306606 [PubMed - in process]
Source: Journal of speech, language, and hearing research : JSLHR - Category: Speech-Language Pathology Authors: Tags: J Speech Lang Hear Res Source Type: research
Conclusions VAS ratings may be a suitable alternative to OT measures of sentence intelligibility for PD using listeners with both minimal and extended exposure to the stimuli. PMID: 31296027 [PubMed - as supplied by publisher]
Source: American Journal of Speech-Language Pathology - Category: Speech-Language Pathology Authors: Tags: Am J Speech Lang Pathol Source Type: research
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Source: International Journal of Speech-Language Pathology - Category: Speech-Language Pathology Authors: Source Type: research
Conclusions These results suggest that cycling, like other types of exercise, improves mood as manifested in discourse word choice in HOAs; however, it may lead to reduced use of emotional words in individuals with PD. Expressing emotion may also be more difficult in those with PD than in HOAs and, therefore, easily disrupted in distracting circumstances. PMID: 31170353 [PubMed - as supplied by publisher]
Source: Journal of speech, language, and hearing research : JSLHR - Category: Speech-Language Pathology Authors: Tags: J Speech Lang Hear Res Source Type: research
Conclusion Cueing for loud speech may yield greater EOU gains than cueing for slow speech in Mandarin speakers with PD. Theoretical and clinical implications are discussed, although further investigations with more participants and a larger range of dysarthria severity are warranted. PMID: 31136238 [PubMed - in process]
Source: American Journal of Speech-Language Pathology - Category: Speech-Language Pathology Authors: Tags: Am J Speech Lang Pathol Source Type: research
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