Abstract:
:This study presents a novel approach for the early detection of mild cognitive impairment (MCI) and mild Alzheimer's disease (mAD) in the elderly. Participants were 25 elderly controls (C), 25 clinically diagnosed MCI and 25 mAD patients, included after a clinical diagnosis validated by CT or MRI and cognitive tests. Our linguistic protocol involved three connected speech tasks that stimulate different memory systems, which were recorded, then analyzed linguistically by using the PRAAT software. The temporal speech-related parameters successfully differentiate MCI from mAD and C, such as speech rate, number and length of pauses, the rate of pause and signal. Parameters pauses/duration and silent pauses/duration linearly decreased among the groups, in other words, the percentage of pauses in the total duration of speech continuously grows as dementia progresses. Thus, the proposed approach may be an effective tool for screening MCI and mAD.
journal_name
Clin Linguist Phonjournal_title
Clinical linguistics & phoneticsauthors
Vincze V,Szatlóczki G,Tóth L,Gosztolya G,Pákáski M,Hoffmann I,Kálmán Jdoi
10.1080/02699206.2020.1827043subject
Has Abstractpub_date
2020-09-30 00:00:00pages
1-16eissn
0269-9206issn
1464-5076pub_type
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