NDLI: Evidence for Visual Analogue of Auditory Mismatch Negativity

Content Provider	IEEE Xplore Digital Library
Author	Maekawa, T. Kanba, S. Tobimatsu, S.
Copyright Year	2007
Description	Author affiliation: Kyushu Univ., Fukuoka (Maekawa, T.; Kanba, S.)
Abstract	Mismatch negativity (MMN) of event-related potentials (ERPs) is useful in understanding the brain function, especially auditory perception and immediate memory. Auditory MMN (a-MMN) is characterized by several features. Visual analogue of MNN (v-MMN) has been reported, however, it is unknown about its properties. Objective: The aim of this study was to delineate functional characterization of v-MMN. Methods: Twelve normal adults were instructed to listen to a story and to also pay attention to a visual target. Windmill patterns consisting of a standard (S), a deviant (D), and a target (T) stimulus whose ratio was 8:1:1 were presented randomly. The difference of stimuli was the number of vanes. To ensure endogeneity, S and D stimuli were alternated. To vary deviancy, deviants were changed by modulating the number of vanes. To examine the effect of T stimulus on changes in detection, two target conditions were used. To elucidate sensory memory, additional experiments were performed in eleven subjects. Train bursts that consisted of one D and eight S stimuli were presented repeatedly with changing either inter-trains interval or sequence. Deviant-related component (DRC) was obtained by subtracting ERPs to the S from that to the D stimulus. Results: Subjects' attention was directed to auditory context and the T stimulus. DRC appeared 150-300 ms after the stimulus onset and consisted of an early (DRN1) and a late (DRN2) component. Deviancy significantly influenced the latency of DRN2, while the change of the T stimulus affected latencies of both DRN1 and DRN2. More than four standards were necessary to obtain the negativity. Conclusions: Genuine visual analogue of a-MMN was demonstrated. Pre-attentive visual information processing can be estimated by using v-MMN.
Starting Page	1507
Ending Page	1510
File Size	860333
Page Count	4
File Format	PDF
ISBN	9781424410774
DOI	10.1109/ICCME.2007.4381998
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2007-05-23
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Electrodes Blades Scalp Information processing Enterprise resource planning Band pass filters Delay Monitoring Multi-layer neural network Neurophysiology
Content Type	Text
Resource Type	Article

Sl.	Authority	Responsibilities	Communication Details
1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
5	Website/Portal (Helpdesk)	Queries regarding NDLI and its services	support@ndl.gov.in
6	Contents and Copyright Issues	Queries related to content curation and copyright issues	content@ndl.gov.in
7	National Digital Library of India Club (NDLI Club)	Queries related to NDLI Club formation, support, user awareness program, seminar/symposium, collaboration, social media, promotion, and outreach	clubsupport@ndl.gov.in
8	Digital Preservation Centre (DPC)	Assistance with digitizing and archiving copyright-free printed books	dpc@ndl.gov.in
9	IDR Setup or Support	Queries related to establishment and support of Institutional Digital Repository (IDR) and IDR workshops	idr@ndl.gov.in

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