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A-Magnetic Optic-Mechanical Device to Quantify Finger Kinematics for fMRI Studies of Bimanual Coordination

Content Provider	Springer Nature Link
Author	Luca, Cinzia Comani, Silvia Donato, Luigi Caulo, Massimo Bertollo, Maurizio Romani, Gian Luca
Copyright Year	2007
Abstract	Several fMRI studies have been performed to detect the neural correlates of stable bimanual coordination patterns in humans. Only few of those studies were accompanied by the on-line recording of the relative phase of fingers or hands, but none with high space and time resolutions. Conversely, the high-resolution recording of fingers’ kinematics during fMRI would permit the quantification of the instantaneous fingers’ positions, from which the instant at which transitions between different bimanual coordination patterns occur might be detected. This information could then be used to analyze fMRI data and detect the neural correlates of pattern transitions. We describe an a-magnetic optic-mechanical device (AMOMeD) able to monitor the fingers’ positions during fMRI studies on bimanual coordination with 2 mm space resolution and 1 ms time resolution. From the instantaneous fingers’ positions (recorded with an optical fiber system and a dedicated acquisition system), the oscillation amplitude, frequency, velocity and relative phase of fingers’ are calculated. The signal from the fMRI trigger can be acquired simultaneously to synchronize the behavioral outcomes with the fMRI analysis. The results of our study show that this device does not affect fMRI signals, and that fMRI data can be processed using the simultaneous behavioral information to detect the brain areas activated during the transitions between different bimanual coordination patterns.
Starting Page	155
Ending Page	160
Page Count	6
File Format	PDF
ISSN	08960267
Journal	Brain Topography
Volume Number	19
Issue Number	3
e-ISSN	15736792
Language	English
Publisher	Kluwer Academic Publishers-Plenum Publishers
Publisher Date	2007-06-29
Publisher Place	New York
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	A-magnetic device fMRI Kinematics quantification Bi-manual coordination Phase transition Neurology Psychiatry Neurosciences
Content Type	Text
Resource Type	Article
Subject	Neurology Anatomy Radiology, Nuclear Medicine and Imaging Neurology (clinical) Radiological and Ultrasound Technology

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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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