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With long intervals, inter-stimulus interval is the critical determinant of the human P300 amplitude

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F67985823%3A_____%2F04%3A00109560" target="_blank" >RIV/67985823:_____/04:00109560 - isvavai.cz</a>

  • Result on the web

  • DOI - Digital Object Identifier

Alternative languages

  • Result language

    angličtina

  • Original language name

    With long intervals, inter-stimulus interval is the critical determinant of the human P300 amplitude

  • Original language description

    The present study tested the validity of this claim at longer intervals in a learning task. Participants were assigned to either an oddball task with an inter-stimulus interval (ISI) of 9-20 s or a singlestimulus task with an ISI of 9-20 or 40-90 s and had to learn when to respond to the stimuli. In the oddball task, the target elicited larger amplitudes than did the standard. When comparing the stimuli from the short- and long-ISI conditions with the target from the oddball condition, it was found thatthe P300 was more positive at long-ISI stimuli than at short-ISI stimuli or oddball targets, and short-ISI stimuli and oddball targets elicited equally large P300 amplitudes. These results suggest that, in oddball tasks with long intervals, besides cognitive factors, ISI rather than TTI affects the P300 amplitude

  • Czech name

    Při dlouhých intervalech je mezistimulní interval kritickým určujícím činitelem amplitudy vlny P300

  • Czech description

    Předchozí bádání o lidské úloze oddball, která užívají mezistimulní intervaly (MSI: 1-4), naznačují, že s terčem příbuznou amplitudu vlny P300 z větší části způsobuje meziterčný interval (MTI). Tato studie ověřovala platnost tohoto tvrzení na dlouhých intervalech (9-20 s) v úloze učení. Výsledky naznačují, že amplitudu vlny P300 v úlohách oddball s dlouhými intervaly ovlivňují kromě kognitivních faktorů spíše MSI než MTI

Classification

  • Type

    J<sub>x</sub> - Unclassified - Peer-reviewed scientific article (Jimp, Jsc and Jost)

  • CEP classification

    FH - Neurology, neuro-surgery, nuero-sciences

  • OECD FORD branch

Result continuities

  • Project

  • Continuities

    Z - Vyzkumny zamer (s odkazem do CEZ)

Others

  • Publication year

    2004

  • Confidentiality

    S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Data specific for result type

  • Name of the periodical

    Neuroscience Letters

  • ISSN

    0304-3940

  • e-ISSN

  • Volume of the periodical

    359

  • Issue of the periodical within the volume

    3

  • Country of publishing house

    IE - IRELAND

  • Number of pages

    4

  • Pages from-to

    143-146

  • UT code for WoS article

  • EID of the result in the Scopus database