Abstract
The simultaneous measurement of EOG and fMRI has been done in the present study in order to investigate the influence of eye movement (blinking mechanism) on the functional magnetic resonance imaging (fMRI) signal response in the primary visual cortex. The conventional Echo-Planar Imaging (EPI, T2*-weighted) with concurrent electrooculogram (EOG) was obtained in four subjects while they viewed a fixation point and a checkerboard with a flickering rate of 8Hz. The division of two different conditions in the whole experimental blocks can be done with the help of EOG information: fixation and moving eye. The fMRI data comparison of these two conditions has been achieved. The results of this study indicated that there are no differential signal changes between these two conditions. This suggests that eye blinking does not affect BOLD signal changes in the primary visual cortex. In terms of data processing the eye blinking can be ignored according to the results of the present study.
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Yoon, H.W., Kim, DH., Lee, Y.J., Lee, HC., Lim, JH. (2011). The Eye Movement and Data Processing Due to Obtained BOLD Signal in V1 : A Study of Simultaneous Measurement of EOG and fMRI. In: Kim, Th., Adeli, H., Robles, R.J., Balitanas, M. (eds) Ubiquitous Computing and Multimedia Applications. UCMA 2011. Communications in Computer and Information Science, vol 151. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-20998-7_9
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DOI: https://doi.org/10.1007/978-3-642-20998-7_9
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