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001-es BibID:	BIBFORM057660
Első szerző:	Czigler István
Cím:	Asymmetry of automatic change detection shown by the visual mismatch negativity : an additional feature is identified faster than missing features / István Czigler, István Sulykos, Krisztina Kecskés-Kovács
Dátum:	2014
ISSN:	1530-7026 1531-135X
Megjegyzések:	In two experiments, we demonstrated that anasymmetric effect of the brain electric activity that is elicitedby nonattended visual stimuli is similar to the one found inresponses observed in the performance of visual searchtasks. The automatic detection of violated sequential regularitieswas investigated by measuring the visual mismatchnegativity (vMMN) component of event-related brain potentials(ERPs). In Experiment 1, within a sequence of stimulusdisplays with O characters, infrequently presented Q characterselicited an earlier vMMN than did infrequent O characterswithin a sequence of Q characters. In Experiment 2,similar asymmetric results emerged if only 16 % of thecharacters were different within an infrequent display. Inboth experiments, these stimuli were irrelevant; during thestimulus sequences, participants performed a demandingvideogame. We suggest that the underlying match/mismatchand decision processes are similar in the vMMN and in theattention-related visual search paradigm, at least in the caseof the stimuli in the present experiments.
Tárgyszavak:	Bölcsészettudományok Pszichológiai tudományok idegen nyelvű folyóiratközlemény külföldi lapban Change detection Visual perception Visual mismatch negativity Search asymmetry
Megjelenés:	Cognitive, Affective, & Behavioral Neuroscience. - 14 : 1 (2014), p. 278-285. -
További szerzők:	Sulykos István Kecskés-Kovács Krisztina (1984-) (pszichológus)
Internet cím:	Szerző által megadott URL DOI Intézményi repozitóriumban (DEA) tárolt változat
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