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PLOS ONE  2014 

Integration of 3D Structure from Disparity into Biological Motion Perception Independent of Depth Awareness

DOI: 10.1371/journal.pone.0089238

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Abstract:

Images projected onto the retinas of our two eyes come from slightly different directions in the real world, constituting binocular disparity that serves as an important source for depth perception - the ability to see the world in three dimensions. It remains unclear whether the integration of disparity cues into visual perception depends on the conscious representation of stereoscopic depth. Here we report evidence that, even without inducing discernible perceptual representations, the disparity-defined depth information could still modulate the visual processing of 3D objects in depth-irrelevant aspects. Specifically, observers who could not discriminate disparity-defined in-depth facing orientations of biological motions (i.e., approaching vs. receding) due to an excessive perceptual bias nevertheless exhibited a robust perceptual asymmetry in response to the indistinguishable facing orientations, similar to those who could consciously discriminate such 3D information. These results clearly demonstrate that the visual processing of biological motion engages the disparity cues independent of observers’ depth awareness. The extraction and utilization of binocular depth signals thus can be dissociable from the conscious representation of 3D structure in high-level visual perception.

References

[1]  Parker AJ (2007) Binocular depth perception and the cerebral cortex. Nature Review Neuroscience 8: 379–391. doi: 10.1038/nrn2131
[2]  Bülthoff I, Bülthoff H, Sinha P (1998) Top-down influences on stereoscopic depth-perception. Nature Neuroscience 1: 254–257. doi: 10.1038/699
[3]  Gregory RL (1997) Knowledge in perception and illusion. Philosophical Transactions of the Royal Society of London Series B-Biological Sciences 352: 1121–1127. doi: 10.1098/rstb.1997.0095
[4]  Hill H, Johnston A (2007) The hollow-face illusion: Object-specific knowledge, general assumptions or properties of the stimulus? Perception 36: 199–223. doi: 10.1068/p5523
[5]  Cumming BG, DeAngelis GC (2001) The physiology of stereopsis. Annual Review Neuroscience 24: 203–238. doi: 10.1146/annurev.neuro.24.1.203
[6]  Neri P (2005) A stereoscopic look at visual cortex. Journal of Neurophysiology 93: 1823–1826. doi: 10.1152/jn.01068.2004
[7]  Cumming BG, Parker AJ (1997) Responses of primary visual cortical neurons to binocular disparity without depth perception. Nature 389: 280–283.
[8]  Cumming BG, Parker AJ (2000) Local disparity not perceived depth is signaled by binocular neurons in cortical area V1 of the Macaque. The Journal of Neuroscience 20: 4758–4767.
[9]  Johansson G (1973) Visual perception of biological motion and a model for its analysis. Perception & Psychophysics 14: 201–211. doi: 10.3758/bf03212378
[10]  Jackson S, Blake R (2010) Neural integration of information specifying human structure from form, motion, and depth. The Journal of Neuroscience 30: 838–848. doi: 10.1523/jneurosci.3116-09.2010
[11]  Vanrie J, Verfaillie K (2011) On the depth reversibility of point-light actions. Visual Cognition 19: 1158–1190. doi: 10.1080/13506285.2011.614381
[12]  Brooks A, Schouten B, Troje NF, Verfaillie K, Blanke O, et al. (2008) Correlated changes in perceptions of the gender and orientation of ambiguous biological motion figures. Current Biology 18: R728–R729. doi: 10.1016/j.cub.2008.06.054
[13]  Schouten B, Troje NF, Brooks A, van der Zwan R, Verfaillie K (2010) The facing bias in biological motion perception: Effects of stimulus gender and observer sex. Attention, Perception and Psychophysics 72: 1256–1260. doi: 10.3758/app.72.5.1256
[14]  Schouten B, Troje NF, Verfaillie K (2011) The facing bias in biological motion perception: structure, kinematics, and body parts. Attention, Perception and Psychophysics 73: 130–143. doi: 10.3758/s13414-010-0018-1
[15]  Vanrie J, Dekeyser M, Verfaillie K (2004) Bistability and biasing effects in the perception of ambiguous point-light walkers. Perception 33: 547–560. doi: 10.1068/p5004
[16]  Brainard DH (1997) The Psychophysics Toolbox. Spatial vision 10: 433–436. doi: 10.1163/156856897x00357
[17]  Pelli DG (1997) The VideoToolbox software for visual psychophysics: transforming numbers into movies. Spatial Vision 10: 437–442. doi: 10.1163/156856897x00366
[18]  Troje NF (2002) Decomposing biological motion: A framework for analysis and synthesis of human gait patterns. Journal of Vision 2: 371–387. doi: 10.1167/2.5.2
[19]  Cutting JE, Moore C, Morrison R (1988) Masking the motions of human gait. Perception & Psychophysics 44: 339–347. doi: 10.3758/bf03210415
[20]  Pagano RR (2012) Understanding Statistics in the Behavioral Sciences: Wadsworth/Cengage Learning.
[21]  Doi H, Shinohara K (2012) Bodily movement of approach is detected faster than that of receding. Psychonomic Bulletin & Review 19: 858–863. doi: 10.3758/s13423-012-0284-0
[22]  Schouten B, Davila A, Verfaillie K (2013) Further Explorations of the Facing Bias in Biological Motion Perception: Perspective Cues, Observer Sex, and Response Times. Plos One 8.
[23]  Bertenthal BI, Pinto J (1994) Global processing of biological motions. Psychological Science 5: 221–225. doi: 10.1111/j.1467-9280.1994.tb00504.x
[24]  Chang DH, Troje NF (2009) Characterizing global and local mechanisms in biological motion perception. Journal of Vision 9: 8 1–10.
[25]  Backus BT, Fleet DJ, Parker AJ, Heeger DJ (2001) Human cortical activity correlates with stereoscopic depth perception. Journal of Neurophysiology 86: 2054–2068.
[26]  Brouwer GJ, van Ee R, Schwarzbach J (2005) Activation in visual cortex correlates with the awareness of stereoscopic depth. The Journal of Neuroscience 25: 10403–10413. doi: 10.1523/jneurosci.2408-05.2005
[27]  Chandrasekaran C, Canon V, Dahmen JC, Kourtzi Z, Welchman AE (2007) Neural correlates of disparity-defined shape discrimination in the human brain. Journal of Neurophysiology 97: 1553–1565. doi: 10.1152/jn.01074.2006
[28]  Durand JB, Peeters R, Norman JF, Todd JT, Orban GA (2009) Parietal regions processing visual 3D shape extracted from disparity. Neuroimage 46: 1114–1126. doi: 10.1016/j.neuroimage.2009.03.023
[29]  Georgieva S, Peeters R, Kolster H, Todd JT, Orban GA (2009) The processing of three-dimensional shape from disparity in the human brain. The Journal of Neuroscience 29: 727–742. doi: 10.1523/jneurosci.4753-08.2009
[30]  Preston TJ, Li S, Kourtzi Z, Welchman AE (2008) Multivoxel Pattern Selectivity for Perceptually Relevant Binocular Disparities in the Human Brain. Journal of Neuroscience 28: 11315–11327. doi: 10.1523/jneurosci.2728-08.2008
[31]  Wismeijer DA, van Ee R, Erkelens CJ (2008) Depth cues, rather than perceived depth, govern vergence. Experimental Brain Research 184: 61–70. doi: 10.1007/s00221-007-1081-2
[32]  Masson GS, Busettini C, Miles FA (1997) Vergence eye movements in response to binocular disparity without depth perception. Nature 389: 283–286. doi: 10.1038/38496
[33]  Goodale MA, Milner AD (1992) Separate visual pathways for perception and action. Trends Neurosci 15: 20–25. doi: 10.1016/0166-2236(92)90344-8
[34]  Clifford CW, Harris JA (2005) Contextual modulation outside of awareness. Current biology 15: 574–578. doi: 10.1016/j.cub.2005.01.055
[35]  He S, MacLeod DI (2001) Orientation-selective adaptation and tilt after-effect from invisible patterns. Nature 411: 473–476.
[36]  Rajimehr R (2004) Unconscious orientation processing. Neuron 41: 663–673. doi: 10.1016/s0896-6273(04)00041-8
[37]  Nawrot M, Blake R (1989) Neural integration of information specifying structure from stereopsis and motion. Science 244: 716–718. doi: 10.1126/science.2717948
[38]  Jastorff J, Orban GA (2009) Human functional magnetic resonance imaging reveals separation and integration of shape and motion cues in biological motion processing. The Journal of Neuroscience 29: 7315–7329. doi: 10.1523/jneurosci.4870-08.2009
[39]  Sweeny TD, Haroz S, Whitney D (2012) Reference repulsion in the categorical perception of biological motion. Vision Research 64: 26–34. doi: 10.1016/j.visres.2012.05.008
[40]  Ban H, Preston TJ, Meeson A, Welchman AE (2012) The integration of motion and disparity cues to depth in dorsal visual cortex. Nature Neuroscience 15: 636–643. doi: 10.1038/nn.3046
[41]  Welchman AE, Deubelius A, Conrad V, Bulthoff HH, Kourtzi Z (2005) 3D shape perception from combined depth cues in human visual cortex. Nature Neuroscience 8: 820–827. doi: 10.1038/nn1461

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