Psychophysics of vision

Hemispheric asymmetries in hierarchical stimulus processing are modulated by stimulus categories and their predictability

by Nathalie Bedoin

Published in:
Kéïta, L., & Bedoin, N. (2011). Hemispheric asymmetries in hierarchical stimuli processing are modulated by stimulus categories and their predictability. Laterality, 16(3), 333-355.

Hemispheric dominance has been behaviourally documented for the local (left
hemisphere, LH) or global (right... more

Hierarchical Stimuli, Hemispheric Asymmtry, Local vs. global processing, Hemispheric Asymmetries, and Visual Cognition

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The hierarchical order of processes underlying the direction illusion and the direction aftereffect

by Kevin Brooks

Farrell-Whelan, M., Wenderoth, P. & Brooks, K. R. (in press). The hierarchical order of processes underlying the direction illusion and the direction aftereffect. Perception, accepted 19 Mar 2012.

Motion perception involves the processing of velocity signals through several hierarchical stages of the visual... more

Direction Illusion, Psychophysics, Visual perception, Psychophysics of vision, and Motion Aftereffect

Sensitivity to feature displacement in familiar and unfamiliar faces: Beyond the internal/external feature distinction

by Kevin Brooks

Brooks, K. R. & Kemp, R. I. (2007). Sensitivity to feature displacement in familiar and unfamiliar faces: Beyond the internal/external feature distinction. Perception, 36, 1646-1659, http://www.perceptionweb.com/abstract.cgi?id=p5675, doi:10.1068/p5675

Previous studies of face recognition and of face matching have shown a general improvement for the processing of... more

Face perception, Psychophysics of vision, Perception, Face perception and recognition, and Visual perception
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Spatial scale of stereomotion speed processing

by Kevin Brooks

Brooks, K. R. & Stone L. S. (2006). Spatial scale of stereomotion speed processing. Journal of Vision, 6, 1257-1266, http://journalofvision.org/6/11/9, doi:10.1167/6.11.9

To examine the spatial scale of the mechanisms supporting the perception of motion in depth defined by binocular cues,... more

Visual perception (Psychology), 3D display & stereopsis, Stereomotion, Stereopsis, and Motion in depth
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Stereomotion suppression and the perception of speed: accuracy and precision as a function of 3D trajectory

by Kevin Brooks

Brooks, K. R. & Stone L. S. (2006). Stereomotion suppression and the perception of speed: accuracy and precision as a function of 3D trajectory. Journal of Vision, 6, 1214-1223, http://journalofvision.org/6/11/6, doi:10.1167/6.11.6

The precision and accuracy of speed discrimination performance for stereomotion stimuli were assessed for several... more

3D display & stereopsis, Motion in depth, Psychophysics, Self-Motion Perception, and Binocular vision
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The swinging doors of perception: Stereomotion without binocular matching

by Kevin Brooks

Brooks, K. R. & Gillam, B. J. (2006). The swinging doors of perception: stereomotion without binocular matching. Journal of Vision, 6, 685-695, http://journalofvision.org/6/7/2, doi:10.1167/6.7.2

Until recently, it was considered necessary for features in the two eyes to be matched before the evaluation of... more

Stereopsis, Perception, Psychophysics, Unmatched (da Vinci) Stereopsis, and Stereomotion
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Quantitative perceived depth from sequential monocular decamouflage

by Kevin Brooks

Brooks, K. R. & Gillam, B. J. (2006). Quantitative perceived depth from sequential monocular decamouflage. Vision Research, 46, 605-613. doi:10.1016/j.visres.2005.06.015

We present a novel binocular stimulus without conventional disparity cues whose presence and depth are revealed by... more

Unmatched (da Vinci) Stereopsis, Visual perception (Psychology), Perception, 3D display & stereopsis, and Psychophysics of vision
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Monocular Transparency and unpaired stereopsis

by Kevin Brooks

Grove, P. M., Brooks, K. R., Anderson, B. L. & Gillam, B. J. (2006). Monocular transparency and unpaired stereopsis. Vision Research, 46, 3041-3053. doi:10.1016/j.visres.2006.05.003

Howard and Duke [Howard, I.P., & Duke, P.A. (2003). Monocular transparency generates quantitative depth. Vision... more

Depth Perception, Visual perception, Stereopsis, 3D display & stereopsis, and Unmatched (da Vinci) Stereopsis
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Perceived speed of motion in depth is reduced in the periphery

by Kevin Brooks

Brooks, K. & Mather, G., (2000). Perceived speed of motion in depth is reduced in the periphery. Vision Research, 40, 3507-3516.

The perceived speed of motion in depth (MID) for a monocularly visible target was measured in central and peripheral... more

Visual perception, Visual perception (Psychology), Motion in depth, Psychophysics, and Perception

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Monocular motion adaptation affects the perceived trajectory of stereomotion

by Kevin Brooks

Brooks, K. R. (2002b). Monocular motion adaptation affects the perceived trajectory of stereomotion. Journal of Experimental Psychology: Human Perception and Performance, 28, 1470-1482.

Perceived stereomotion trajectory was measured before and after adaptation to lateral motion in the dominant or... more

Stereopsis, Psychophysics of vision, Perception, Visual perception (Psychology), and Depth Perception

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Hinge versus twist: the effects of “reference surface” and discontinuities on stereoscopic slant perception

by Kevin Brooks

Gillam, B. J., Blackburn, S. & Brooks, K. R. (2007). Hinge versus twist: the effects of “reference surface” and discontinuities on stereoscopic slant perception. Perception, 36, 596-616, doi: 10.1068/p5535

Stereoscopic slant perception around a vertical axis (horizontal slant) is often found to be strongly attenuated... more

Visual perception, Stereopsis, Perception, 3D display & stereopsis, and Psychophysics of vision
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Stereomotion perception for a monocularly camouflaged stimulus

by Kevin Brooks

Brooks, K. R. & Gillam, B. J. (2007). Stereomotion perception for a monocularly camouflaged stimulus. Journal of Vision, 7, 1-14, http://journalofvision.org/7/13/1, doi:10.1167/7.13.1

Under usual circumstances, motion in depth is associated with conventional stereomotion cues: a change in disparity... more

Psychophysics of vision, Perception, Camouflage, Visual perception, and Visual perception (Psychology)
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Perceptual memory for highly familiar people’s body shape: manipulation of images of the self and friend

by Kevin Brooks

Daury, N., Brooks, K. R. & Bredart, S. (2009). Perceptual memory for highly familiar people’s body shape: manipulation of images of the self and friend. Perception, 38, 261-270.

Previous studies have shown that people's ability to detect, from memory, alterations in highly familiar faces is... more

Visual perception, Body perception, Psychophysics of vision, Psychophysics, and Visual perception (Psychology)

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Breaking camouflage: Binocular disparity reduces contrast masking in natural images

by Kevin Brooks

Wardle, S., Cass, J., Brooks, K.R. & Alais, D. (2010). Breaking camouflage: Binocular disparity reduces contrast masking in natural images. Journal of Vision, 10, 38, 1-12, http://www.journalofvision.org/content/10/14/38, doi:10.1167/10.14.38.

Visual overlay masking is typically studied with a mask and target located at the same depth plane. Masking is reduced... more

Visual perception (Psychology), Stereopsis, Binocular vision, Depth Perception, and Visual Masking

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Contrast and stimulus complexity moderate the relationship between spatial frequency and perceived speed: Implications for MT models of speed perception

by Kevin Brooks

Brooks, K. R., Morris, T., & Thompson, P. (2011). Contrast and stimulus complexity moderate the relationship between spatial frequency and perceived speed: Implications for MT models of speed perception. Journal of Vision, 11(14):19, 1–10, http://www.journalofvision.org/content/11/14/19, doi:10.1167/11.14.19.

Area MT in extrastriate visual cortex is widely believed to be responsible for the perception of object speed. Recent... more

Motion perception, Perception, Speed Perception, Visual perception, and Psychophysics
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Challenging the distribution shift: Statically-induced direction illusion implicates differential processing of object-relative and non-object-relative motion

by Kevin Brooks

Farrell-Whelan, M., Brooks, K. R. & Wenderoth, P. (2012). Challenging the distribution shift: Statically-induced direction illusion implicates differential processing of object-relative and non-object-relative motion. Vision Research, 58, 10-18.

The direction illusion is the phenomenal exaggeration of the angle between the drift directions, typically, of two... more

Visual perception, Psychophysics of vision, Motion perception, Perception, and Psychophysics

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Speed can go up as well as down at low contrast: Implications for models of motion perception

by Kevin Brooks

Thompson, P., Brooks, K. R. & Hammett S. (2006). Speed can go up as well as down at low contrast: implications for models of motion processing. Vision Research, 46, 782-786. doi:10.1016/j.visres.2005.08.005

It is well-known that reducing the contrast of a slow moving stimulus reduces its apparent speed. [Thompson, P.... more

Perception, Visual perception (Psychology), Speed Perception, Psychophysics of vision, and Psychophysics
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Interocular velocity difference contributes to stereomotion speed perception

by Kevin Brooks

Brooks, K. R. (2002a). Interocular velocity difference contributes to stereomotion speed perception. Journal of Vision, 2, 218-231, http://journalofvision.org/2/3/2/, doi:10.1167/2.3.2.

Two experiments are presented assessing the contributions of the rate of change of disparity (CD) and interocular... more

Self-Motion Perception, Binocular vision, Psychology of Visual Perception, Motion perception, and Perception

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Stereomotion speed perception is contrast dependent

by Kevin Brooks

Brooks, K. (2001). Stereomotion speed perception is contrast dependent. Perception, 30, 725-731.

The effect of contrast on the perception of stimulus speed for stereomotion and monocular lateral motion was... more

Stereo Vision (Computer Vision), Stereopsis, Motion perception, Binocular vision, and Visual perception

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Stereomotion suppression and the perception of speed: Accuracy and precision as a function of 3D trajectory

by Kevin Brooks

Brooks, K. R. & Stone L. S. (2006). Stereomotion suppression and the perception of speed: accuracy and precision as a function of 3D trajectory. Journal of Vision, 6, 1214-1223, http://journalofvision.org/6/11/6, doi:10.1167/6.11.6

The precision and accuracy of speed discrimination performance for stereomotion stimuli were assessed for several... more

Self-Motion Perception, Human Factors in Visual Perception, Stereo Vision (Computer Vision), Stereopsis, and 3D display & stereopsis

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