NDLI: Visualization of human cognitive processing by MEG

Content Provider	IEEE Xplore Digital Library
Author	Iwaki, S. Bonmassar, G. Belliveau, J.W.
Copyright Year	2014
Description	Author affiliation: Human Technol. Res. Inst., Nat. Inst. of Adv. Ind. Sci. & Technol. (AIST), Tsukuba, Japan (Iwaki, S.) \|\| Athinoula Martinos Center for Biomed. Imaging, Massachusetts Gen. Hosp. (MGH), Charlestown, MA, USA (Bonmassar, G.; Belliveau, J.W.)
Abstract	Each non-invasive neuroimaging technique has its own inherent limitations resulting from temporal and special inaccuracies due to the nature of information that can be measured. While functional magnetic resonance imaging (fMRI) provides excellent spatial localization of the brain activity up to sub-millimeter resolution, its temporal resolution is limited by the hemodynamic time constant. Conversely, magnetoencephalography (MEG), which measure temporal changes in neural current directly, has temporal resolution of a few milliseconds; however, its spatial accuracy is limited by the non-uniqueness of the biomagnetic inverse problem in which the spatial distribution of neural currents is estimated from the MEG field distributions outside of the head. In this paper, recent developments in multimodal neuroimaging are introduced to allow for the reconstruction of human brain dynamics with high spatial accuracy without compromising temporal resolution. Specifically, we describe a technique to combine data from MEG, MRI and fMRI to visualize human higher order visual processing while perceiving a three-dimensional (3-D) shape from two-dimensional (2-D) motion.
Starting Page	1
Ending Page	4
File Size	1094518
Page Count	4
File Format	PDF
ISBN	9781467352253
DOI	10.1109/URSIGASS.2014.6930115
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2014-08-16
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Brain Visualization Accuracy Inverse problems Magnetic resonance imaging Spatial resolution
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
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