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Brian Roark

Explore the profile of Brian Roark including associated specialties, affiliations and a list of published articles. Areas
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Citations 228
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Recent Articles
1.
Prudhommeaux E, Roark B
Comput Linguist Assoc Comput Linguist . 2021 Aug; 41(4):549-578. PMID: 34334943
Among the more recent applications for natural language processing algorithms has been the analysis of spoken language data for diagnostic and remedial purposes, fueled by the demand for simple, objective,...
2.
Orhan U, Nezamfar H, Akcakaya M, Erdogmus D, Higger M, Moghadamfalahi M, et al.
Brain Comput Interfaces (Abingdon) . 2017 Dec; 3(4):171-185. PMID: 29250562
A simulation framework could decrease the burden of attending long and tiring experimental sessions on the potential users of brain computer interface (BCI) systems. Specifically during the initial design of...
3.
Prudhommeaux E, Morley E, Rouhizadeh M, Silverman L, van Santen J, Roark B, et al.
SLT Workshop Spok Lang Technol . 2017 Oct; 2014:266-271. PMID: 29057398
Deficits in semantic and pragmatic expression are among the hallmark linguistic features of autism. Recent work in deriving computational correlates of clinical spoken language measures has demonstrated the utility of...
4.
Roark B, Fried-Oken M, Gibbons C
Augment Altern Commun . 2015 Feb; 31(1):37-50. PMID: 25672825
Current scanning access methods for text generation in AAC devices are limited to relatively few options, most notably row/column variations within a matrix. We present Huffman scanning, a new method...
5.
Rouhizadeh M, Prudhommeaux E, Roark B, van Santen J
Proc Conf . 2014 Nov; 2013:709-714. PMID: 25419547
Atypical semantic and pragmatic expression is frequently reported in the language of children with autism. Although this atypicality often manifests itself in the use of unusual or unexpected words and...
6.
Orhan U, Erdogmus D, Hild 2nd K, Roark B, Oken B, Fried-Oken M
Conf Rec Asilomar Conf Signals Syst Comput . 2014 Jul; 45:132-136. PMID: 24976741
We present recent results on the design of the RSVP Keyboard - a brain computer interface (BCI) for expressive language generation for functionally locked-in individuals using rapid serial visual presentation...
7.
Orhan U, Hild 2nd K, Erdogmus D, Roark B, Oken B, Fried-Oken M
Humans need communication. The desire to communicate remains one of the primary issues for people with locked-in syndrome (LIS). While many assistive and augmentative communication systems that use various physiological...
8.
Oken B, Orhan U, Roark B, Erdogmus D, Fowler A, Mooney A, et al.
Neurorehabil Neural Repair . 2013 Dec; 28(4):387-94. PMID: 24370570
Background: Some noninvasive brain-computer interface (BCI) systems are currently available for locked-in syndrome (LIS) but none have incorporated a statistical language model during text generation. Objective: To begin to address...
9.
Roark B, Beckley R, Gibbons C, Fried-Oken M
Comput Speech Lang . 2013 Nov; 27(6). PMID: 24244070
Individuals with severe motor impairments commonly enter text using a single binary switch and symbol scanning methods. We present a new scanning method -Huffman scanning - which uses Huffman coding...
10.
Orhan U, Erdogmus D, Roark B, Oken B, Fried-Oken M
J Neural Eng . 2013 Oct; 10(6):066003. PMID: 24099944
Objective: We aim to increase the symbol rate of electroencephalography (EEG) based brain-computer interface (BCI) typing systems by utilizing context information. Approach: Event related potentials (ERP) corresponding to a stimulus...