EXTRACTION OF EVENT-RELATED POTENTIALS FROM ONGOING EEG

Award Information
Agency: Department of Health and Human Services
Branch: N/A
Contract: N/A
Agency Tracking Number: 8101
Amount: $50,000.00
Phase: Phase I
Program: SBIR
Awards Year: 1988
Solicitation Year: N/A
Solicitation Topic Code: N/A
Solicitation Number: N/A
Small Business Information
5457 Twin Knolls Rd, Syute 400, Columbia, MD, 21045
DUNS: N/A
HUBZone Owned: N
Woman Owned: N
Socially and Economically Disadvantaged: N
Principal Investigator
 () -
Business Contact
Phone: () -
Research Institution
N/A
Abstract
THE USEFULNESS OF EVENT-RELATED BRAIN POTENTIALS (ERPS), BOTH AS A RESEARCH TOOL FOR THE STUDY OF COGNITIVE PROCESSESAND FOR APPLICATIONS IN CLINICAL AND OPERATIONAL SETTINGS, IS LIMITED BY THE NEED TO SIGNAL AVERAGE OVER MULTIPLE OCCURRENCES OF THE EVENT OF INTEREST AND BY THE CONSEQUENT NEED FOR PRECISE KNOWLEDGE OF THE TIMING OF THE ELICITING EVENT. THE PROPOSED WORK WILL EXPLORE THE APPLICABILITY OF SEVERAL PATTERN RECOGNITION TECHNIQUES FOR IDENTIFYING AND QUANTIFYING SINGLE ERPS IN SEGMENTS OF ONGOING EEG WITH MINIMAL KNOWLEDGE OF THE TIMING OF THE ELICITING EVENT. MODIFICATIONS OF TECHNIQUES THAT HAVE BEEN USED FOR LATENCY-CORRECTING AVERAGE ERPS HAVING TRIAL-TO-TRIAL LATENCY "JITTER" AND TECHNIQUES FOR CLASSIFYING SINGLE TRIALERPS OF KNOWN TIMING WILL BE EVALUATED USING SIMULATED EEG DATA WITH KNOWN ERPS EMBEDDED. THE FOCUS WILL BE ON DETERMINING THE SIGNAL TO NOISE CONDITIONS UNDER WHICH THE VARIOUS TECHNIQUES, ALONE OR IN COMBINATION, ARE RELIABLE. APPROACHES WHICH PROVE MOST SUCCESSFUL FOR QUANTIFYING SIMULATED DATA WILL BE VALIDATED ON A LIMITED SAMPLE OF REAL DATA COLLECTED FROM HUMAN SUBJECTS IN A SIMPLE TASK.

* Information listed above is at the time of submission. *

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