Deconvolution of evoked responses obtained at high stimulus rates

Rafael E. Delgado, Ozcan Ozdamar

Research output: Contribution to journalArticle

71 Scopus citations

Abstract

Continuous loop averaging deconvolution (CLAD) is a new general mathematical theory and method developed to deconvolve overlapping auditory evoked responses obtained at high stimulation rates. Using CLAD, arbitrary stimulus sequences are generated and averaged responses deconvolved. Until now, only a few special stimulus series such as maximum length sequences (MLS) and Legendre sequences (LGS) were capable of performing this task. A CLAD computer algorithm is developed and implemented in an evoked potential averaging system. Computer simulations are used to verify the theory and methodology. Auditory brainstem responses (ABR) and middle latency responses (MLR) are acquired from subjects with normal hearing at high stimulation rates to validate and show the feasibility of the CLAD technique.

Original languageEnglish (US)
Pages (from-to)1242-1251
Number of pages10
JournalJournal of the Acoustical Society of America
Volume115
Issue number3
DOIs
StatePublished - Mar 1 2004

ASJC Scopus subject areas

  • Arts and Humanities (miscellaneous)
  • Acoustics and Ultrasonics

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