Artifacts, habituation and p300-based brain machine interfaces.

Artifacts, habituation and p300-based brain machine interfaces. Research Abstract Details 

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Artifacts, habituation and p300-based brain machine interfaces. Abstract Text:

Prashant Kota,Karthik Sundaresan,Ben Jansen,

We investigated to what degree the detection rate of the P300 in single trial event-related potentials is affected by short-term and long-term habituation effects, and we present an algorithm to eliminate eye-movement artifacts. Data from 26 subjects were collected using a visual oddball paradigm. P300 components were detected using a threshold algorithm operating on the delta band (0-4 Hz). Using data from four subjects, collected over a 7 to 12 week period, it was observed that the P300 amplitude tended to decrease within a session, and also between successive sessions. However, this decrease did not affect the detection rate. The eye-movement removal algorithm was tested on simulated and actual data, and resulted in a significant increase in detection rate.

Artifacts, habituation and p300-based brain machine interfaces. Publishing Authors By Initials

P Kota,K Sundaresan,B Jansen,

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Artifacts, habituation and p300-based brain machine interfaces. Journal Published:

PUBLICATION TYPE: Journal Article

Journal: Conference proceedings : ... Annual International

VOLUME: 7

Page Numbers: 7056-9

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ISSN: 1557-170X

DAY: 6

MONTH: 02

YEAR: 2005

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LANGUAGE: eng

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AFFILIATION: Dept of Electrical and Computer Engineering, University of Houston, Texas.

Country: United States

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MEDLINETA: Conf Proc IEEE Eng Med Biol So

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