Assessing Attention Deficit by Binocular Rivalry

Author:

Amador-Campos Juan Antonio12,Aznar-Casanova J. Antonio12,Ortiz-Guerra Juan Jairo3,Moreno-Sánchez Manuel1,Medina-Peña Antonio4

Affiliation:

1. University of Barcelona, Spain

2. Institute for Brain, Cognition and Behavior (IR3C), Barcelona, Spain

3. Sant Joan de Deu Hospital, Barcelona, Spain

4. Sant Domènec Savio Salesian School, Barcelona, Spain

Abstract

Objective: To determine whether the frequency and duration of the periods of suppression of a percept in a binocular rivalry (BR) task can be used to distinguish between participants with ADHD and controls. Method: A total of 122 participants (6-15 years) were assigned to three groups: ADHD-Combined (ADHD-C), ADHD-Predominantly Inattentive (ADHD-I), and controls. They each performed a BR task and two measures were recorded: alternation rate and duration of exclusive dominance periods. Results: ADHD-C group presented fewer alternations and showed greater variability than did the control group; results for the ADHD-I group being intermediate between the two. The duration of dominance periods showed a differential profile: In control group, it remained stable over time, whereas in the clinical groups, it decreased logarithmically as the task progressed. Conclusion: The differences between groups in relation to the BR indicators can be attributed to the activity of involuntary inhibition.

Publisher

SAGE Publications

Subject

Clinical Psychology,Developmental and Educational Psychology

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