Loquens, Vol 4, No 1 (2017)

Study of several parameters for the detection of amyotrophic lateral sclerosis from articulatory movement


Cristina Carmona
Instituto Universitario para el Desarrollo Tecnológico y la Innovación en Comunicaciones, Universidad de Las Palmas de Gran Canaria , Spain
orcid http://orcid.org/0000-0002-4441-6652

Pedro Gómez
Center for Biomedical Technology, Universidad Politécnica de Madrid , Spain
orcid http://orcid.org/0000-0003-3283-378X

Miguel A. Ferrer
Instituto Universitario para el Desarrollo Tecnológico y la Innovación en Comunicaciones, Universidad de Las Palmas de Gran Canaria
orcid http://orcid.org/0000-0002-2924-1225

Réjean Plamondon
Laboratoire Scribens, Département de Génie Électrique, École Polytechnique de Montréal , Canada
orcid http://orcid.org/0000-0002-4903-7539

Ana Londral
Instituto de Medicina Molecular, Universidade de Lisboa , Portugal
orcid http://orcid.org/0000-0002-8002-6790


Amyotrophic lateral sclerosis (ALS) is a degenerative neuromuscular disease, one of its early symptoms being a progressive difficulty to speak (ALS dysarthria). To improve its diagnosis and monitoring, a new method based on articulatory movement estimation has been developed. As a result, two articulatory movement parameters are presented as well as their relationship with the illness grade.


ALS; Sigma-lognormal; formant; kinematic; articulation

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