title: Alpha-band power in the left frontal cortex discriminates the execution of fixed stimulus during saccadic eye movement.
abstract: BACKGROUND
  The saccadic paradigm has been used to investigate specific cortical networks involving attention. The behavioral and electrophysiological investigations of the SEM contribute significantly to the understanding of attentive patterns presented of neurological and psychiatric disorders and sports performance.
  
  
  OBJECTIVE
  The current study aimed to investigate absolute alpha power changes in sensorimotor brain regions and the frontal eye fields during the execution of a saccadic task.
  
  
  METHODS
  Twelve healthy volunteers (mean age: 26.25; SD: ±4.13) performed a saccadic task while the electroencephalographic signal was simultaneously recorded for the cerebral cortex electrodes. The participants were instructed to follow the LEDs with their eyes, being submitted to two different task conditions: a fixed pattern versus a random pattern.
  
  
  RESULTS
  We found a moment main effect for the C3, C4, F3 and F4 electrodes and a condition main effect for the F3 electrode. We also found interaction between factor conditions and frontal electrodes.
  
  
  CONCLUSIONS
  We conclude that absolute alpha power in the left frontal cortex discriminates the execution of the two stimulus presentation patterns during SEM.
authors: Brain Mapping and Sensory Motor Integration, Institute of Psychiatry of Federal University of Rio de Janeiro (IPUB/UFRJ), Brazil.
authors: Juliana
authors: J
authors: Bittencourt
authors: Sergio
authors: S
authors: Machado
authors: Silmar
authors: S
authors: Teixeira
authors: Gunhter
authors: G
authors: Schlee
authors: José Inácio
authors: JI
authors: Salles
authors: Henning
authors: H
authors: Budde
authors: Luis F
authors: LF
authors: Basile
authors: Antonio Egidio
authors: AE
authors: Nardi
authors: Mauricio
authors: M
authors: Cagy
authors: Roberto
authors: R
authors: Piedade
authors: Alexander T
authors: AT
authors: Sack
authors: Bruna
authors: B
authors: Velasques
authors: Pedro
authors: P
authors: Ribeiro
mesh_terms: D000328:Adult; D000513:Alpha Rhythm; D001288:Attention; D005260:Female; D005625:Frontal Lobe / Q000502:physiology*; D007839:Functional Laterality; D006801:Humans; D008297:Male; D009044:Motor Cortex / Q000502:physiology; D012438:Saccades; D013003:Somatosensory Cortex / Q000502:physiology