Early time-locked gamma response and gender specificity

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buir.contributor.authorArıkan, Orhan
buir.contributor.orcidArıkan, Orhan|0000-0002-3698-8888
dc.citation.epage239en_US
dc.citation.issueNumber3en_US
dc.citation.spage225en_US
dc.citation.volumeNumber60en_US
dc.contributor.authorKarakaş S.en_US
dc.contributor.authorTüfekci, D. I.en_US
dc.contributor.authorBekci, B.en_US
dc.contributor.authorÇakmak, E. D.en_US
dc.contributor.authorDoğutepe, E.en_US
dc.contributor.authorErzengin, O. U.en_US
dc.contributor.authorÖzkan, A.en_US
dc.contributor.authorArıkan, Orhanen_US
dc.date.accessioned2015-07-28T11:57:35Z
dc.date.available2015-07-28T11:57:35Z
dc.date.issued2006-06en_US
dc.departmentDepartment of Electrical and Electronics Engineeringen_US
dc.description.abstractThe aim was to investigate whether gender is a causative factor in the gamma status according to which some individuals respond with time-locked, early gamma response, G+, while the others do not show this response, G-. The sample consisted of 42 volunteer participants (between 19 and 37 years of age with at least 9 years of education). There were 22 females and 20 males. Data were collected under the oddball paradigm. Auditory stimulation (10 ms r/f time, 50 ms duration, 65 dB SPL) consisted of target (2000 Hz; p = .20) stimuli that occurred randomly within a series of standard stimuli (1000 Hz; p = .80). Gamma responses were studied in the amplitude frequency characteristics, in the digitally filtered event-related potentials (f-ERPs) and in the distributions which were obtained using the recently developed time-frequency component analysis (TFCA) technique. Participants were classified into G+ and G- groups with a criterion of full agreement between the results of an automated gamma detection technique and expert opinion. The 2 × 2 × 2 ANOVA on f-ERPs and 2 × 2 × 2 multivariate ANOVA on TFCA distributions showed the main effect of gamma status and gender as significant, and the interaction between gamma status and gender as nonsignificant. Accordingly, individual difference in gamma status is a reliable phenomenon, but this does not depend on gender. There are conflicting findings in the literature concerning the effect of gender on ERP components (N100, P300). The present study showed that if the gamma status is not included in research designs, it may produce a confounding effect on ERP parameters.en_US
dc.description.provenanceMade available in DSpace on 2015-07-28T11:57:35Z (GMT). No. of bitstreams: 1 10.1016-j.ijpsycho.2005.05.009 .pdf: 562880 bytes, checksum: 79f22c461c8c8bf6d339f041771ed1bc (MD5)en
dc.identifier.doi10.1016/j.ijpsycho.2005.05.009en_US
dc.identifier.eissn1872-7697
dc.identifier.issn0167-8760
dc.identifier.urihttp://hdl.handle.net/11693/11407
dc.language.isoEnglishen_US
dc.publisherElsevier BVen_US
dc.relation.isversionofhttp://doi.org/10.1016/j.ijpsycho.2005.05.009en_US
dc.source.titleInternational Journal of Psychophysiologyen_US
dc.subjectGamma Responseen_US
dc.subjectGenderen_US
dc.subjectIndividual Differencesen_US
dc.subjectEvent-related Potentialsen_US
dc.subjectEvent-related Oscillationsen_US
dc.subjectTime – Frequency Analysisen_US
dc.titleEarly time-locked gamma response and gender specificityen_US
dc.typeArticleen_US

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