Document Detail

Development of the human visual system: monocular and binocular pattern VEP latency.
MedLine Citation:
PMID:  2071348     Owner:  NLM     Status:  MEDLINE    
Pattern visual evoked potentials (P-VEPs) were recorded in 161 human infants who were between 3 weeks and 2 yr of age. The latency of the first reproducible positive peak in the P-VEP was measured monocularly and binocularly for five sizes of phase alterations checkerboard stimuli (range: 120' to 7.5' check widths). Rapid visual maturation in the first 6 months of life was shown by the development of reproducible P-VEPs to smaller check sizes and by a rapid decrease in the latency of the first reproducible positive peak. Monocular P-VEPs have slightly longer latencies than the binocular P-VEPs. This latency difference is invariant with age, but is significantly greater with larger check stimuli. Normal ranges for this large population are provided as a reference for clinical studies.
D L McCulloch; B Skarf
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Publication Detail:
Type:  Comparative Study; Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  Investigative ophthalmology & visual science     Volume:  32     ISSN:  0146-0404     ISO Abbreviation:  Invest. Ophthalmol. Vis. Sci.     Publication Date:  1991 Jul 
Date Detail:
Created Date:  1991-08-21     Completed Date:  1991-08-21     Revised Date:  2006-11-15    
Medline Journal Info:
Nlm Unique ID:  7703701     Medline TA:  Invest Ophthalmol Vis Sci     Country:  UNITED STATES    
Other Details:
Languages:  eng     Pagination:  2372-81     Citation Subset:  IM    
Department of Ophthalmology, Hospital for Sick Children, Toronto, Canada.
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MeSH Terms
Child, Preschool
Evoked Potentials, Visual / physiology*
Infant, Newborn
Pattern Recognition, Visual / physiology*
Vision, Binocular / physiology*
Vision, Monocular / physiology*
Visual Acuity / physiology

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

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