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A brain-computer interface based on bilateral transcranial Doppler ultrasound

Myrden, AJB and Kushki, A and Sejdić, E and Guerguerian, AM and Chau, T (2011) A brain-computer interface based on bilateral transcranial Doppler ultrasound. PLoS ONE, 6 (9).

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In this study, we investigate the feasibility of a BCI based on transcranial Doppler ultrasound (TCD), a medical imaging technique used to monitor cerebral blood flow velocity. We classified the cerebral blood flow velocity changes associated with two mental tasks - a word generation task, and a mental rotation task. Cerebral blood flow velocity was measured simultaneously within the left and right middle cerebral arteries while nine able-bodied adults alternated between mental activity (i.e. word generation or mental rotation) and relaxation. Using linear discriminant analysis and a set of time-domain features, word generation and mental rotation were classified with respective average accuracies of 82.9%and 10.0 across all participants. Accuracies for all participants significantly exceeded chance. These results indicate that TCD is a promising measurement modality for BCI research. © 2011 Myrden et al.


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Item Type: Article
Status: Published
CreatorsEmailPitt UsernameORCID
Myrden, AJB
Kushki, A
Sejdić, E
Guerguerian, AM
Chau, T
ContributionContributors NameEmailPitt UsernameORCID
Date: 13 September 2011
Date Type: Publication
Journal or Publication Title: PLoS ONE
Volume: 6
Number: 9
DOI or Unique Handle: 10.1371/journal.pone.0024170
Schools and Programs: Dietrich School of Arts and Sciences > Computer Engineering
Refereed: Yes
MeSH Headings: Adult; Brain--physiology; Brain--physiopathology; Cerebrovascular Circulation--physiology; Female; Humans; Ultrasonography, Doppler, Transcranial; Young Adult
Other ID: NLM PMC3168473
PubMed Central ID: PMC3168473
PubMed ID: 21915292
Date Deposited: 05 Sep 2012 19:25
Last Modified: 31 Jul 2020 17:01


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