About: Visual mismatch negativity elicited by magnocellular system activation     Goto   Sponge   NotDistinct   Permalink

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Description
  • The processing of visual motion was tested by means of event related potentials recording (ERP) using a paradigm designed to produce a visual mismatch negativity effect. The stimuli were unattended and presented in the peripheral visual field (outside the central 15°). The standard stimulus consisted of an up/down motion sequence, whilst the deviant stimulus of a down/up motion sequence. Significant ERP differences between the standard and deviant conditions were found in 8 out of 10 adult subjects already in 80 ms and prevailingly in interval 145-260 ms from the initial stimulus presentation. The results demonstrate that the magnocellular information undergoes processing capable of detecting differences in the sequence of unattended peripheral motion stimuli.
  • The processing of visual motion was tested by means of event related potentials recording (ERP) using a paradigm designed to produce a visual mismatch negativity effect. The stimuli were unattended and presented in the peripheral visual field (outside the central 15°). The standard stimulus consisted of an up/down motion sequence, whilst the deviant stimulus of a down/up motion sequence. Significant ERP differences between the standard and deviant conditions were found in 8 out of 10 adult subjects already in 80 ms and prevailingly in interval 145-260 ms from the initial stimulus presentation. The results demonstrate that the magnocellular information undergoes processing capable of detecting differences in the sequence of unattended peripheral motion stimuli. (en)
  • Zpracování zrakového pohybu bylo testováno pomocí záznamu událostně-vázaného potenciálu (ERP) prostřednictvím vzoru vytvořeného, aby produkoval účinek vizuální mismatch negativitu. Stimuly byly nerušeny a prezentovány v periferním zrakovém poli (mimo centrální 15°). Standardní stimul se skládal z pohybové sekvence nahoru/dolu, zatímco pokřivený stimul následoval sekvenci dolu/nahoru. Mezi standardními a deviantními podmínkami byly zjištěny významné ERP rozdíly, a to u 8 z 10 dospělých subjektů již při 80 ms a převážně v intervalu 145-160 ms od počáteční prezentace stimulu. Tyto výsledky demonstrují, že magnocelulární informace je zpracovávána a tento proces je schopný detekovat odlišnosti v sekvencích nerušených periferních pohybových stimulů. (cs)
Title
  • Visual mismatch negativity elicited by magnocellular system activation
  • Visuální negativita vyvolaná aktivací magnocelulárního systému (cs)
  • Visual mismatch negativity elicited by magnocellular system activation (en)
skos:prefLabel
  • Visual mismatch negativity elicited by magnocellular system activation
  • Visuální negativita vyvolaná aktivací magnocelulárního systému (cs)
  • Visual mismatch negativity elicited by magnocellular system activation (en)
skos:notation
  • RIV/00216208:11150/05:00004138!RIV08-MSM-11150___
http://linked.open.../vavai/riv/strany
  • 485;490
http://linked.open...avai/riv/aktivita
http://linked.open...avai/riv/aktivity
  • S, Z(MSM0021620820)
http://linked.open...iv/cisloPeriodika
  • 4
http://linked.open...vai/riv/dodaniDat
http://linked.open...aciTvurceVysledku
http://linked.open.../riv/druhVysledku
http://linked.open...iv/duvernostUdaju
http://linked.open...titaPredkladatele
http://linked.open...dnocenehoVysledku
  • 548924
http://linked.open...ai/riv/idVysledku
  • RIV/00216208:11150/05:00004138
http://linked.open...riv/jazykVysledku
http://linked.open.../riv/klicovaSlova
  • Visual; mismatch; negativity; elicited; magnocellular; system; activation (en)
http://linked.open.../riv/klicoveSlovo
http://linked.open...odStatuVydavatele
  • GB - Spojené království Velké Británie a Severního Irska
http://linked.open...ontrolniKodProRIV
  • [B2CE5B32FF16]
http://linked.open...i/riv/nazevZdroje
  • Vision Research
http://linked.open...in/vavai/riv/obor
http://linked.open...ichTvurcuVysledku
http://linked.open...cetTvurcuVysledku
http://linked.open...UplatneniVysledku
http://linked.open...v/svazekPeriodika
  • 46
http://linked.open...iv/tvurceVysledku
  • Kremláček, Jan
  • Kuba, Miroslav
  • Kubová, Zuzana
  • Langrová, Jana
http://linked.open...n/vavai/riv/zamer
issn
  • 0042-6989
number of pages
http://localhost/t...ganizacniJednotka
  • 11150
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