title: How Eye Dominance Strength Modulates the Influence of a Distractor on Saccade Accuracy.
abstract: OBJECTIVE
  Neuroimaging studies have shown that the dominant eye is linked preferentially to the ipsilateral primary visual cortex. However, its role in perception still is misunderstood. We examined the influence of eye dominance and eye dominance strength on saccadic parameters, contrasting stimulations presented in the two hemifields.
  
  
  METHODS
  Participants with contrasted eye dominance (left or right) and eye dominance strength (strong or weak) were asked to make a saccade toward a target displayed at 5° or 7° left or right of a fixation cross. In some trials, a distractor at 3° of eccentricity also was displayed either in the same hemifield as the target (to induce a global effect on saccade amplitude) or in the opposite hemifield (to induce a remote distractor effect on saccade latency).
  
  
  RESULTS
  Eye dominance did influence saccade amplitude as participants with strong eye dominance showed more accurate saccades toward the target (weaker global effect) in the hemifield contralateral to the dominant eye than in the ipsilateral one. Such asymmetry was not found in participants with weak eye dominance or when a remote distractor was used.
  
  
  CONCLUSIONS
  We show that eye dominance strength influences saccade target selection. We discuss several arguments supporting the view that such advantage may be linked to the relationship between the dominant eye and ipsilateral hemisphere. French Abstract.
authors.affiliation: Laboratoire Vision Action Cognition, EA n°7326, Institut de Psychologie, Institut Universitaire Paris Descartes de Psychologie, Institut de Neurosciences et Cognition, Université Paris Descartes, Sorbonne Paris Cité, Boulogne-Billancourt, France.
authors.forename: Jérôme
authors.initials: J
authors.lastname: Tagu
authors.affiliation: Laboratoire Vision Action Cognition, EA n°7326, Institut de Psychologie, Institut Universitaire Paris Descartes de Psychologie, Institut de Neurosciences et Cognition, Université Paris Descartes, Sorbonne Paris Cité, Boulogne-Billancourt, France.
authors.forename: Karine
authors.initials: K
authors.lastname: Doré-Mazars
authors.affiliation: Laboratoire Vision Action Cognition, EA n°7326, Institut de Psychologie, Institut Universitaire Paris Descartes de Psychologie, Institut de Neurosciences et Cognition, Université Paris Descartes, Sorbonne Paris Cité, Boulogne-Billancourt, France.
authors.forename: Christelle
authors.initials: C
authors.lastname: Lemoine-Lardennois
authors.affiliation: Laboratoire Vision Action Cognition, EA n°7326, Institut de Psychologie, Institut Universitaire Paris Descartes de Psychologie, Institut de Neurosciences et Cognition, Université Paris Descartes, Sorbonne Paris Cité, Boulogne-Billancourt, France 2Institut.
authors.forename: Dorine
authors.initials: D
authors.lastname: Vergilino-Perez
mesh_terms: D023882:Dominance, Ocular / Q000502:physiology*; D005260:Female; D005403:Fixation, Ocular / Q000502:physiology; D006801:Humans; D008297:Male; D010775:Photic Stimulation; D012438:Saccades / Q000502:physiology*; D014793:Visual Cortex / Q000502:physiology*; D014796:Visual Perception; D055815:Young Adult