Suppression of displacement detection in the presence and absence of eye movements: a neuro-computational perspective
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- Bergelt, J. & Hamker, F.H. Biol Cybern (2016) 110: 81. doi:10.1007/s00422-015-0677-z
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Understanding the subjective experience of a visually stable world during eye movements has been an important research topic for many years. Various studies were conducted to reveal fundamental mechanisms of this phenomenon. For example, in the paradigm saccadic suppression of displacement (SSD), it has been observed that a small displacement of a saccade target could not easily be reported if this displacement took place during a saccade. New results from Zimmermann et al. (J Neurophysiol 112(12):3066–3076, 2014) show that the effect of being oblivious to small displacements occurs not only during saccades, but also if a mask is introduced while the target is displaced. We address the question of how neurons in the parietal cortex may be connected to each other to account for the SSD effect in experiments involving a saccade and equally well in the absence of an eye movement while perception is disrupted by a mask.
KeywordsSpace perception Saccadic suppression of displacement Masking Computational model
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