Abstract
This study aimed at analyzing the relationship between slow- and fast-alpha asymmetry
within frontal cortex and the planning, execution and voluntary control of saccadic
eye movements (SEM), and quantitative electroencephalography (qEEG) was recorded using
a 20-channel EEG system in 12 healthy participants performing a fixed (i.e., memory-driven)
and a random SEM (i.e., stimulus-driven) condition. We find main effects for SEM condition
in slow- and fast-alpha asymmetry at electrodes F3–F4, which are located over premotor
cortex, specifically a negative asymmetry between conditions. When analyzing electrodes
F7–F8, which are located over prefrontal cortex, we found a main effect for condition
in slow-alpha asymmetry, particularly a positive asymmetry between conditions. In
conclusion, the present approach supports the association of slow- and fast-alpha
bands with the planning and preparation of SEM, and the specific role of these sub-bands
for both, the attention network and the coordination and integration of sensory information
with a (oculo)-motor response.
Keywords
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Article info
Publication history
Published online: August 31, 2011
Accepted:
August 11,
2011
Received in revised form:
August 9,
2011
Received:
April 23,
2011
Identification
Copyright
© 2011 Elsevier B.V. Published by Elsevier Inc. All rights reserved.
