Abstract
This paper addresses the use of spoken language technologies to identify cognitive impairment through the degree of speech deficits. We present the design of a spoken language database where patients’ voices are collected during regular clinical screening tests for cognitive impairment. Three different speaking styles are recorded: dialogues during structured interviews, readings of a short-passage and verbal picture descriptions. We hope these different spoken materials will help promoting the research on a wide range of spoken language technologies in assessing Moderate Cognitive Impairment (MCI). To illustrate this, a preliminary analysis on the speech recorded from a small group of MCI patients and healthy elder controls is also presented. A Random Forest classifier working on seven prosodic measures extracted from the reading task achieved 78.9% accuracy for MCI detection when compared with a control group, suggesting that these measures can offer a sensitive method of assessing speech output in MCI. This experimental framework shows the potential of the presented spoken language database for the research on automatic and objective identification of early symptoms of MCI in elderly adults.
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Espinoza-Cuadros, F. et al. (2014). A Spoken Language Database for Research on Moderate Cognitive Impairment: Design and Preliminary Analysis. In: Navarro Mesa, J.L., et al. Advances in Speech and Language Technologies for Iberian Languages. Lecture Notes in Computer Science(), vol 8854. Springer, Cham. https://doi.org/10.1007/978-3-319-13623-3_23
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DOI: https://doi.org/10.1007/978-3-319-13623-3_23
Publisher Name: Springer, Cham
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