Document Detail

Reproducibility of P3.
MedLine Citation:
PMID:  1809729     Owner:  NLM     Status:  MEDLINE    
The P3 event-related potential has been widely employed in both clinical and research investigations. In the present study, P3 latency and amplitude intersession reliability were evaluated in 4 sessions over an average of 33 days in 24 healthy adults using the P3 tonal oddball paradigm. Mean group latencies ranged from 302-305 ms and mean amplitudes ranged from 7.75-8.87 microV. No significant group differences were found across sessions for latency or amplitude. Intrasubject variability was large; the 95% confidence interval for the difference between the means of two combined sessions was +/- 20 ms for latency and +/- 4.63 microV for amplitude. The results suggest that P3 latency and amplitude are reliable and reproducible over weeks for groups, but have greater variability for individuals.
E Y Zamrini; K J Meador; W O Thompson; G P Lee
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't; Research Support, U.S. Gov't, Non-P.H.S.; Research Support, U.S. Gov't, P.H.S.    
Journal Detail:
Title:  The International journal of neuroscience     Volume:  61     ISSN:  0020-7454     ISO Abbreviation:  Int. J. Neurosci.     Publication Date:  1991 Nov 
Date Detail:
Created Date:  1992-05-22     Completed Date:  1992-05-22     Revised Date:  2007-11-14    
Medline Journal Info:
Nlm Unique ID:  0270707     Medline TA:  Int J Neurosci     Country:  ENGLAND    
Other Details:
Languages:  eng     Pagination:  113-20     Citation Subset:  IM    
Department of Neurology Medical College of Georgia, Augusta 30912-3275.
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MeSH Terms
Analysis of Variance
Evoked Potentials, Auditory / physiology*
Middle Aged
Reference Values
Grant Support

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

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