Frame of reference transformations in motion perception during smooth pursuit eye movements

Journal of Computational Neuroscience
Jan L SoumanA H Wertheim

Abstract

Smooth pursuit eye movements change the retinal image velocity of objects in the visual field. In order to change from a retinocentric frame of reference into a head-centric one, the visual system has to take the eye movements into account. Studies on motion perception during smooth pursuit eye movements have measured either perceived speed or perceived direction during smooth pursuit to investigate this frame of reference transformation, but never both at the same time. We devised a new velocity matching task, in which participants matched both perceived speed and direction during fixation to that during pursuit. In Experiment 1, the velocity matches were determined for a range of stimulus directions, with the head-centric stimulus speed kept constant. In Experiment 2, the retinal stimulus speed was kept approximately constant, with the same range of stimulus directions. In both experiments, the velocity matches for all directions were shifted against the pursuit direction, suggesting an incomplete transformation of the frame of reference. The degree of compensation was approximately constant across stimulus direction. We fitted the classical linear model, the model of Turano and Massof (2001) and that of Freeman (2001) to the...Continue Reading

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Citations

Dec 7, 2005·Experimental Brain Research·Jan L SoumanAlexander H Wertheim
Aug 25, 2010·Vision Research·Emer O'ConnorTom C A Freeman
Apr 20, 2010·Current Biology : CB·Tom C A FreemanPaul A Warren
Dec 24, 2014·Vision Research·Mehmet N AgaogluHaluk Öğmen
Nov 18, 2008·Vision Research·Harold E Bedell, Jianliang Tong
May 25, 2011·Vision Research·J Rhys Davies, Tom C A Freeman
Sep 30, 2010·Vision Research·Harold E BedellMurat Aydin
Jan 24, 2007·Vision Research·Jianliang TongHarold E Bedell
Nov 17, 2007·Vision Research·Tom C A Freeman
Nov 15, 2005·The Journal of Physiology·John J GreerKlaus Ballanyi
Aug 9, 2013·Journal of Neurophysiology·Guillaume LeclercqPhilippe Lefèvre
Jan 17, 2017·Attention, Perception & Psychophysics·Duong HuynhHaluk Öğmen

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