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This article and any supplementary material should be cited as follows: Hill K, Kovacs T, Shin S. Reliability of brain-computer interface language sample.

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Presentation on theme: "This article and any supplementary material should be cited as follows: Hill K, Kovacs T, Shin S. Reliability of brain-computer interface language sample."— Presentation transcript:

1 This article and any supplementary material should be cited as follows: Hill K, Kovacs T, Shin S. Reliability of brain-computer interface language sample transcription procedures. J Rehabil Res Dev. 2014;51(4):579–90. http://dx.doi.org/10.1682/JRRD.2013.05.0102 Slideshow Project DOI:10.1682/JRRD.2013.05.0102JSP Reliability of brain-computer interface language sample transcription procedures Katya Hill, PhD, CCC-SLP; Thomas Kovacs, MA; Sangeun Shin

2 This article and any supplementary material should be cited as follows: Hill K, Kovacs T, Shin S. Reliability of brain-computer interface language sample transcription procedures. J Rehabil Res Dev. 2014;51(4):579–90. http://dx.doi.org/10.1682/JRRD.2013.05.0102 Slideshow Project DOI:10.1682/JRRD.2013.05.0102JSP Aim – Test reliability of transcribing language samples of daily brain-computer interface (BCI) communication recorded as language activity monitoring (LAM) logfiles. Relevance – Establishing reliable transcription procedures is important for reporting valid measures as study results and evaluating overall effectiveness of expressive communication.

3 This article and any supplementary material should be cited as follows: Hill K, Kovacs T, Shin S. Reliability of brain-computer interface language sample transcription procedures. J Rehabil Res Dev. 2014;51(4):579–90. http://dx.doi.org/10.1682/JRRD.2013.05.0102 Slideshow Project DOI:10.1682/JRRD.2013.05.0102JSP Method Veterans with amyotrophic lateral sclerosis used P300-based BCI as augmentative and alternative communication system. KeyLAM software recorded logfiles in universal logfile format during use of BCI-controlled email and word processing applications. These logfiles were encrypted and sent to our laboratory for decryption, transcription, and analysis.

4 This article and any supplementary material should be cited as follows: Hill K, Kovacs T, Shin S. Reliability of brain-computer interface language sample transcription procedures. J Rehabil Res Dev. 2014;51(4):579–90. http://dx.doi.org/10.1682/JRRD.2013.05.0102 Slideshow Project DOI:10.1682/JRRD.2013.05.0102JSP Results Results on transcription of 345 daily logfile samples. Procedure was accurate across transcribers/ raters. Interrater reliability (frequency of agreement ratio) – Total number of words: 97.6%. – Total utterances: 93.5%. Interjudge agreement – 100% for both measures.

5 This article and any supplementary material should be cited as follows: Hill K, Kovacs T, Shin S. Reliability of brain-computer interface language sample transcription procedures. J Rehabil Res Dev. 2014;51(4):579–90. http://dx.doi.org/10.1682/JRRD.2013.05.0102 Slideshow Project DOI:10.1682/JRRD.2013.05.0102JSP Conclusion Transcribing language samples using LAM data is highly reliable and fidelity of process can be maintained. LAM data supported transcription of large number of samples that could not have been completed using audio and video recordings.

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