Telltale silence: temporal speech parameters discriminate between prodromal dementia and mild Alzheimer's disease.

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 Phon

authors

Vincze V,Szatlóczki G,Tóth L,Gosztolya G,Pákáski M,Hoffmann I,Kálmán J

doi

10.1080/02699206.2020.1827043

subject

Has Abstract

pub_date

2020-09-30 00:00:00

pages

1-16

eissn

0269-9206

issn

1464-5076

pub_type

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