Home

About

Advanced Search

Browse by Discipline

Scientific Societies

E-print Alerts

Add E-prints

E-print Network
FAQHELPSITE MAPCONTACT US


  Advanced Search  

 
A spatial and temporal comparison of hemodynamic signals measured using optical and functional magnetic resonance imaging during
 

Summary: A spatial and temporal comparison of hemodynamic signals measured
using optical and functional magnetic resonance imaging during
activation in the human primary visual cortex
Vladislav Y. Toronov,a
Xiaofeng Zhang,b
and Andrew G. Webbb,
a
Beckman Institute for Advanced Science and Technology, University of Illinois at Urbana-Champaign, Urbana, IL 61801, USA
b
Department of Bioengineering, Penn State University, 315 Hallowell Building, University Park, PA 16802, USA
Received 15 December 2005; revised 2 August 2006; accepted 7 August 2006
Available online 28 November 2006
Functional near infrared spectro-imaging (fNIRSI) is potentially a
very useful technique for obtaining information about the underlying
physiology of the blood oxygenation level dependent (BOLD) signal
used in functional magnetic resonance imaging (fMRI). In this paper
the temporal and spatial statistical characteristics of fNIRSI data are
compared to those of simultaneously acquired fMRI data in the human
visual cortex during a variable-frequency reversing checkerboard
activation paradigm. Changes in the size of activated volume caused by

  

Source: Andrews, Anne M. - Huck Institutes of the Life Sciences, Pennsylvania State University

 

Collections: Biology and Medicine