Document Detail

Automated analysis of prerecorded evoked electromyographic activity from rat muscle.
MedLine Citation:
PMID:  2704207     Owner:  NLM     Status:  MEDLINE    
An automated microprocessor-based data acquisition and analysis system has been developed specifically to quantify electromyographic (EMG) activity induced by the convulsant agent catechol in the anaesthetized rat. The stimulus and EMG response are recorded on magnetic tape. On playback, the stimulus triggers a digital oscilloscope and, via interface circuitry, a BBC B microcomputer. The myoelectric activity is digitized by the oscilloscope before being transferred under computer control via a RS232 link to the microcomputer. This system overcomes the problems of dealing with signals of variable latency and allows quantification of latency, amplitude, area and frequency of occurrence of specific components within the signal. The captured data can be used to generate either signal or superimposed high resolution graphic reproductions of the original waveforms. Although this system has been designed for a specific application, it could easily be modified to allow analysis of any complex waveform.
I Basarab-Horwath; D G Dewhurst; R Dixon; A S Meehan; S Odusanya
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Journal of biomedical engineering     Volume:  11     ISSN:  0141-5425     ISO Abbreviation:  J Biomed Eng     Publication Date:  1989 Mar 
Date Detail:
Created Date:  1989-05-12     Completed Date:  1989-05-12     Revised Date:  2003-11-14    
Medline Journal Info:
Nlm Unique ID:  7906074     Medline TA:  J Biomed Eng     Country:  ENGLAND    
Other Details:
Languages:  eng     Pagination:  103-6     Citation Subset:  IM    
Department of Electrical and Electronic Engineering, Sheffield City Polytechnic, UK.
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MeSH Terms
Computer Systems
Electromyography / methods*
Equipment Design
Evoked Potentials
Signal Processing, Computer-Assisted*
Software Design

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine

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