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Statements

Subject Item
n2:RIV%2F00216208%3A11150%2F14%3A10281337%21RIV15-MSM-11150___
rdf:type
skos:Concept n11:Vysledek
rdfs:seeAlso
http://dx.doi.org/10.1007/s10633-014-9429-y
dcterms:description
Background In adults, motion-onset visual evoked potentials (M-VEPs) with a dominant N2 peak represent a useful diagnostic tool. However, it is difficult to use this type of VEP in children because of the long maturation (up to 18 years) of M-VEPs, which is characterised by a gradual decrease in N2 peak latency and shape development. Moreover, in some children, M-VEPs are difficult to identify with standard stimuli. Methods We tested features of M-VEPs in 30 children (7-12 years) with the following set of standard stimuli used in our lab for examining adults (https://web.lfhk.cuni.cz/elf): low-contrast translation motion (TM) and expansion/contraction motion (ExCoM) in full field and in periphery (with central 20 degrees masked). In 16 children, a high-contrast TM was also tested. Results With standard (low-contrast) stimuli, a common M-VEP to TM and to ExCoM was detected in 77 and 83 % of children, respectively. The M-VEPs to ExCoM in the periphery were detected in only 43 % of children. An abnormal dominant P1 peak was found in 9 % of VEPs to TM, 12 % of VEPs to full-field ExCoM and 14 % of VEPs to peripheral ExCoM. The M-VEPs to all low-contrast stimuli displayed large inter-individual latency variability (N2 peak latency differed for more than 100 ms). High contrast (more suitable for the non-mature magnocellular pathway) shortened M-VEP latencies and improved amplitudes. Conclusions Our findings show that the maturation of motion perception in children is inter-individually variable, which limits the diagnostic use of M-VEPs. Background In adults, motion-onset visual evoked potentials (M-VEPs) with a dominant N2 peak represent a useful diagnostic tool. However, it is difficult to use this type of VEP in children because of the long maturation (up to 18 years) of M-VEPs, which is characterised by a gradual decrease in N2 peak latency and shape development. Moreover, in some children, M-VEPs are difficult to identify with standard stimuli. Methods We tested features of M-VEPs in 30 children (7-12 years) with the following set of standard stimuli used in our lab for examining adults (https://web.lfhk.cuni.cz/elf): low-contrast translation motion (TM) and expansion/contraction motion (ExCoM) in full field and in periphery (with central 20 degrees masked). In 16 children, a high-contrast TM was also tested. Results With standard (low-contrast) stimuli, a common M-VEP to TM and to ExCoM was detected in 77 and 83 % of children, respectively. The M-VEPs to ExCoM in the periphery were detected in only 43 % of children. An abnormal dominant P1 peak was found in 9 % of VEPs to TM, 12 % of VEPs to full-field ExCoM and 14 % of VEPs to peripheral ExCoM. The M-VEPs to all low-contrast stimuli displayed large inter-individual latency variability (N2 peak latency differed for more than 100 ms). High contrast (more suitable for the non-mature magnocellular pathway) shortened M-VEP latencies and improved amplitudes. Conclusions Our findings show that the maturation of motion perception in children is inter-individually variable, which limits the diagnostic use of M-VEPs.
dcterms:title
Difficulties of motion-onset VEP interpretation in school-age children Difficulties of motion-onset VEP interpretation in school-age children
skos:prefLabel
Difficulties of motion-onset VEP interpretation in school-age children Difficulties of motion-onset VEP interpretation in school-age children
skos:notation
RIV/00216208:11150/14:10281337!RIV15-MSM-11150___
n3:aktivita
n10:P n10:I
n3:aktivity
I, P(GA309/09/0869)
n3:cisloPeriodika
2
n3:dodaniDat
n8:2015
n3:domaciTvurceVysledku
n4:1755285 n4:1987453 n4:3063038 n4:9736344 n4:9050051 n4:8345074 n4:8818649
n3:druhVysledku
n12:J
n3:duvernostUdaju
n15:S
n3:entitaPredkladatele
n20:predkladatel
n3:idSjednocenehoVysledku
11502
n3:idVysledku
RIV/00216208:11150/14:10281337
n3:jazykVysledku
n18:eng
n3:klicovaSlova
Children; M-VEPs; VEPs; Motion-onset visual evoked potentials
n3:klicoveSlovo
n17:VEPs n17:Children n17:M-VEPs n17:Motion-onset%20visual%20evoked%20potentials
n3:kodStatuVydavatele
NL - Nizozemsko
n3:kontrolniKodProRIV
[472B006E9699]
n3:nazevZdroje
Documenta Ophthalmologica
n3:obor
n16:FH
n3:pocetDomacichTvurcuVysledku
7
n3:pocetTvurcuVysledku
7
n3:projekt
n19:GA309%2F09%2F0869
n3:rokUplatneniVysledku
n8:2014
n3:svazekPeriodika
128
n3:tvurceVysledku
Szanyi, Jana Langrová, Jana Vít, František Kremláček, Jan Kubová, Zuzana Chutná, Marie Kuba, Miroslav
n3:wos
000333129400005
s:issn
0012-4486
s:numberOfPages
9
n5:doi
10.1007/s10633-014-9429-y
n13:organizacniJednotka
11150