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Guenther, Frank H. (6)
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Hits 1 – 6 of 6
1
Brain-Computer Interfaces for Speech Communication
Brumberg, Jonathan S.
;
Nieto-Castanon, Alfonso
;
Kennedy, Philip R.
. - : Elsevier, 2018
BASE
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2
Classification of intended phoneme production from chronic intracortical microelectrode recordings in speech-motor cortex
Brumberg, Jonathan S.
;
Wright, E. Joseph
;
Andreasen, Dinal S.
;
Guenther, Frank H.
;
Kennedy, Philip R.
. - : Frontiers, 2015
Abstract:
This is the published version, also available here: http://dx.doi.org/10.3389/fnins.2011.00065. ; We conducted a neurophysiological study of attempted speech production in a paralyzed human volunteer using chronic microelectrode recordings. The volunteer suffers from locked-in syndrome leaving him in a state of near-total paralysis, though he maintains good cognition and sensation. In this study, we investigated the feasibility of supervised classification techniques for prediction of intended phoneme production in the absence of any overt movements including speech. Such classification or decoding ability has the potential to greatly improve the quality-of-life of many people who are otherwise unable to speak by providing a direct communicative link to the general community. We examined the performance of three classifiers on a multi-class discrimination problem in which the items were 38 American English phonemes including monophthong and diphthong vowels and consonants. The three classifiers differed in performance, but averaged between 16 and 21% overall accuracy (chance-level is 1/38 or 2.6%). Further, the distribution of phonemes classified statistically above chance was non-uniform though 20 of 38 phonemes were classified with statistical significance for all three classifiers. These preliminary results suggest supervised classification techniques are capable of performing large scale multi-class discrimination for attempted speech production and may provide the basis for future communication prostheses.
Keyword:
chronic recording
;
locked-in syndrome
;
motor cortex
;
neurotrophic electrode
;
speech prosthesis
URL:
https://doi.org/10.3389/fnins.2011.00065
http://hdl.handle.net/1808/17393
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3
Classification of intended phoneme production from chronic intracortical microelectrode recordings in speech-motor cortex
Brumberg, Jonathan S.
;
Wright, E. Joe
;
Andreasen, Dinal S.
. - 2011
BASE
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4
Classification of Intended Phoneme Production from Chronic Intracortical Microelectrode Recordings in Speech-Motor Cortex
Brumberg, Jonathan S.
;
Wright, E. Joe
;
Andreasen, Dinal S.
. - : Frontiers Research Foundation, 2011
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5
Brain-computer interfaces for speech communication
Brumberg, Jonathan
;
Kennedy, Philip R.
;
Nieto-Castañon, Alfonso
...
In:
Speech communication. - Amsterdam [u.a.] : Elsevier
52 (2010) 4, 367-379
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OLC Linguistik
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6
Brain-Computer Interfaces for Speech Communication
Brumberg, Jonathan S.
;
Nieto-Castanon, Alfonso
;
Kennedy, Philip R.
. - 2010
BASE
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