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Abstract:

We investigated the organization of eye-movement classes in a natural and dynamical setup. To mimic the goals and objectives of the natural world in a controlled environment, we studied eye-movements while participants played Breakout, an old Atari game which remains surprisingly entertaining, often addictive, in spite of its graphic and structural simplicity. Our results show that eye-movement dynamics can be explained in terms of simple principles of moments of prediction and urgency of action. We observed a consistent anticipatory behavior (gaze was directed ahead of ball trajectory) except during the moment in which the ball bounced either in the walls, or in the paddle. At these moments, we observed a refractory period during which there are no blinks and saccades. Saccade delay caused the gaze to fall behind the ball. This pattern is consistent with a model by which participants postpone saccades at the bounces while predicting the ball trajectory and subsequently make a catch-up saccade directed to a position which anticipates ball trajectory. During bounces, trajectories were smooth and curved interpolating the V-shape function of the ball with minimal acceleration. These results pave the path to understand the taxonomy of eye-movements on natural configurations in which stimuli and goals switch dynamically in time. © 2011 Elsevier Ltd.

Registro:

Documento: Artículo
Título:Looking at Breakout: Urgency and predictability direct eye events
Autor:Shalom, D.E.; Dagnino, B.; Sigman, M.
Filiación:Laboratory of Integrative Neuroscience, Physics Department, University of Buenos Aires, Buenos Aires, Argentina
Department of Vision and Cognition, Netherlands Institute for Neuroscience, Amsterdam, Netherlands
Palabras clave:Attention; Eye-movements; Motion-2D; Perceptual organization; Visual cognition; accuracy; article; ball bouncing event; ball trajectory; Breakout video game; controlled study; eye movement; eye tracking; eyelid reflex; game; gaze; human; human experiment; motion; movement perception; prediction; priority journal; recreation; saccadic eye movement; smooth pursuit eye movement; velocity; visual stimulation; Analysis of Variance; Anticipation, Psychological; Attention; Eye Movements; Humans; Motion Perception; Saccades; Video Games
Año:2011
Volumen:51
Número:11
Página de inicio:1262
Página de fin:1272
DOI: http://dx.doi.org/10.1016/j.visres.2011.03.017
Título revista:Vision Research
Título revista abreviado:Vis. Res.
ISSN:00426989
CODEN:VISRA
Registro:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_00426989_v51_n11_p1262_Shalom

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Citas:

---------- APA ----------
Shalom, D.E., Dagnino, B. & Sigman, M. (2011) . Looking at Breakout: Urgency and predictability direct eye events. Vision Research, 51(11), 1262-1272.
http://dx.doi.org/10.1016/j.visres.2011.03.017
---------- CHICAGO ----------
Shalom, D.E., Dagnino, B., Sigman, M. "Looking at Breakout: Urgency and predictability direct eye events" . Vision Research 51, no. 11 (2011) : 1262-1272.
http://dx.doi.org/10.1016/j.visres.2011.03.017
---------- MLA ----------
Shalom, D.E., Dagnino, B., Sigman, M. "Looking at Breakout: Urgency and predictability direct eye events" . Vision Research, vol. 51, no. 11, 2011, pp. 1262-1272.
http://dx.doi.org/10.1016/j.visres.2011.03.017
---------- VANCOUVER ----------
Shalom, D.E., Dagnino, B., Sigman, M. Looking at Breakout: Urgency and predictability direct eye events. Vis. Res. 2011;51(11):1262-1272.
http://dx.doi.org/10.1016/j.visres.2011.03.017