A/Prof Colin Clifford MA (Cambridge University) MSc (Sussex University) PhD (University College London)

Publications

Edited Books

Clifford, C.W.G. & Rhodes, G. (eds.) (2005). Fitting the Mind to the World: Adaptation and Aftereffects in High-Level Vision, Oxford: Oxford University Press.

Refereed Journal Articles

In press

Curran, W., Clifford, C.W.G. & Benton, C.P. (in press) The hierarchy of directional interactions in visual motion processing”, Proceedings of the Royal Society of London, Series B: Biological Sciences.

Lawson, R.P., Clifford, C.W.G. & Calder, A.J. (in press) About Turn: The Visual Representation of Human Body Orientation Revealed by Adaptation, Psychological Science.

2008

Arabzadeh, E., Clifford, C.W.G. & Harris, J.A. (2008) Vision merges with touch in a purely tactile discrimination, Psychological Science, 19, 635-641.

Calder, A.J., Jenkins, R., Cassel, A. & Clifford, C.W.G. (2008) Adaptation reveals that the visual representation of eye gaze is coded by a non opponent multichannel system, Journal of Experimental Psychology: General, 137, 244-261.

Clifford, C.W.G., Arabzadeh, E. & Harris, J.A. (2008) Getting technical about awareness, Trends in Cognitive Sciences, 12, 54-58.

Clifford, C.W.G., Arabzadeh, E. & Harris, J.A. (2008) A good bet to measure awareness? Trends in Cognitive Sciences, 12, 210.

Crowder, N.A., Hietanen, M.A., Price, N.S.C., Clifford, C.W.G. & Ibbotson, M.R. (2008) Dynamic contrast change produces rapid gain control in visual cortex, Journal of Physiology, 586, 4107-4119.

Goddard, E., Clifford, C.W.G. & Solomon, S.G. (2008) Centre-surround effects on perceived orientation in complex images, Vision Research, 48, 1374-13782.

Harris, J.A., Clifford, C.W.G. & Miniussi, C. (2008) The functional effect of transcranial magnetic stimulation: signal suppression or neural noise generation? Journal of Cognitive Neuroscience, 20, 734-740.

Pearson, J., Clifford, C.W.G. & Tong, F. (2008) The functional impact of mental imagery on conscious perception, Current Biology, 18, 982-986.

2007

Clifford, C.W.G., Webster M.A., Stanley, G.B., Stocker, A.A., Kohn, A., Sharpee, T.O. & Schwartz, O. (2007) Visual adaptation: neural, psychological and computational aspects, Vision Research, 47, 3125-3131.

Durant, S., Clifford, C.W.G., Crowder, N.A., Price, N.S.C. & Ibbotson, M.R. (2007) Characterizing contrast adaptation in a population of cat primary visual cortical neurons using Fisher information, J. Opt. Soc. Am. A, 24, 1529-1537.

Harris, J.A., Arabzadeh, E., Moore, C.A. & Clifford, C.W.G. (2007) Non-informative vision causes adaptive changes in tactile sensitivity, Journal of Neuroscience, 27, 7136-7140.

Rhodes, G., Jeffery, L., Clifford, C.W.G. & Leopold, D.A. (2007) The timecourse of higher-level face aftereffects, Vision Research, 47, 2291-2296.

2006

Crowder, N.A., Price, N.S.C., Hietanen, M.A., Dreher, B., Clifford, C.W.G. & Ibbotson, M.R. (2006) Relationship between contrast adaptation and orientation tuning in V1 and V2 of cat visual cortex, Journal of Neurophysiology, 95, 271-283.

Curran, W., Clifford, C.W.G. & Benton, C.P. (2006) The direction aftereffect is driven by adaptation of local motion detectors, Vision Research, 46, 4270-4278.

Curran, W., Clifford, C.W.G. & Benton, C.P. (2006) New binary direction aftereffect does not add up, Journal of Vision, 6, 1451-1458.

Durant, S. & Clifford, C.W.G. (2006) Dynamics of the influence of segmentation cues on orientation perception, Vision Research, 46, 2934-2940.

Harris, J.A., Karlov, L. & Clifford, C.W.G. (2006) Localization of tactile stimuli depends on conscious detection, Journal of Neuroscience, 26, 948-952.

Verbeek, E., Spetch, M.L., Cheng, K. & Clifford, C.W.G. (2006) Determinants of range effects in face recognition, Learning & Behaviour, 34, 229-240.

Watson, T.L. & Clifford, C.W.G. (2006) Orientation dependence of the orientation contingent face after effect, Vision Research, 46, 3422-3429.

2005

Badcock, D.R., Clifford, C.W.G. & Khuu, S.K. (2005) Interactions between luminance and contrast signals in global form detection, Vision Research, 45, 881-889.

Clifford, C.W.G. & Harris, J.A. (2005) Contextual modulation outside of awareness, Current Biology, 15, 574-578.

Clifford, C.W.G. & Weston, E. (2005) Aftereffect of adaptation to Glass patterns, Vision Research, 45, 1355-1363.

Forte, J. & Clifford, C.W.G. (2005) Interocular transfer of the tilt illusion shows that monocular orientation mechanisms are colour selective, Vision Research, 45, 2715-2721.

Holcombe, A.O., Clifford, C.W.G., Eagleman, D.E. & Pakarian, P. (2005) Illusory motion reversal in tune with motion detectors, Trends in Cognitive Sciences, 9, 559-560.

Ma-Wyatt, A.M., Clifford, C.W.G. & Wenderoth, P. (2005) Contrast configuration affects grouping in apparent motion, Perception, 34, 669-685.

Pearson, J. & Clifford, C.W.G. (2005) Mechanisms selectively engaged in rivalry: normal vision habituates, rivalrous vision primes, Vision Research, 45, 707-714.

Pearson, J. & Clifford, C.W.G. (2005) When your brain decides what you see: grouping across monocular, binocular and stimulus rivalry, Psychological Science, 16, 516-519.

Pearson, J. & Clifford, C.W.G. (2005) Suppressed patterns alter vision during binocular rivalry, Current Biology, 15, 2142-2148.

Taylor, R.P., Spehar, B., Wise, J.A., Clifford, C.W.G., Newell, B.R., Hagerhall, C.M., Purcell, T. & Martin, T.P. (2005) Perceptual and physiological responses to the visual complexity of Pollock’s dripped fractal patterns, Non-linear Dynamics, Psychology & Life Sciences, 9, 89-114.

2004

Clifford, C.W.G., Holcombe, A.O. & Pearson, J. (2004) Rapid global form binding with loss of associated colors, Journal of Vision, 4, 1090-1101.

Clifford, C.W.G., Spehar, B. & Pearson, J. (2004) Motion transparency promotes synchronous perceptual binding, Vision Research, 44, 3073-3080.

Harris, J.A., Thein, T. & Clifford, C.W.G. (2004) Dissociating detection from localization of tactile stimuli, Journal of Neuroscience, 24, 3683-3693.

Pearson, J. & Clifford, C.W.G. (2004) Determinants of visual awareness following interruptions during rivalry, Journal of Vision, 4, 196-202.

Rhodes, G., Jeffery, L., Watson, T.L., Jaquet, E., Winkler, C., & Clifford, C.W.G. (2004) Orientation-contingent face aftereffects and implications for face-coding mechanisms, Current Biology, 14, 2119-2123.

Spetch, M.L., Cheng, K. & Clifford, C.W.G. (2004) Peak shift but not range effects in recognition of faces, Learning & Motivation, 35, 221-241.

Watson, T.L., Pearson, J. & Clifford, C.W.G. (2004) Perceptual grouping of biological motion promotes binocular rivalry, Current Biology, 14, 1670-1674.

2003

Clifford, C.W.G. & Ibbotson, M.R. (2003) Fundamental mechanisms of visual motion detection: models, cells and functions, Progress in Neurobiology, 68, 409-437.

Clifford, C.W.G., Arnold, D.H. & Pearson, J. (2003) A paradox of temporal perception revealed by a stimulus oscillating in colour and orientation, Vision Research, 43, 2245-2253.

Clifford, C.W.G., Arnold, D.H., Smith, S.T. & Pianta, M.J. (2003) Opposing views on orthogonal adaptation: a reply to Westheimer & Gee (2002), Vision Research, 43, 717-719.

Clifford, C.W.G., Pearson, J., Forte, J.D. & Spehar, B. (2003) Colour and luminance selectivity of spatial and temporal interactions in orientation perception, Vision Research, 43, 2885-2893.

Clifford, C.W.G., Spehar, B., Solomon, S.G., Martin, P.R. & Zaidi, Q. (2003) Interactions between colour and luminance in the perception of orientation, Journal of Vision, 3, 106-115.

Rhodes, G., Jeffery, L., Watson, T.L., Clifford, C.W.G. & Nakayama, K. (2003) Fitting the mind to the world: face adaptation and attractiveness aftereffects, Psychological Science, 14, 558-566.

Spehar, B. & Clifford, C.W.G. (2003) When does illusory contour formation depend on contrast polarity?, Vision Research, 43, 1915-1919.

Spehar, B., Clifford, C.W.G., Newell, B. & Taylor, R.P. (2003) Universal aesthetic of fractals, Computers & Graphics, 27, 813-820.

Watson, T.L. & Clifford, C.W.G. (2003) Pulling faces: investigating the face distortion aftereffect, Perception, 32, 1109-1116.

2002

Abbonizio, G., Langley, K. & Clifford, C.W.G. (2002) Contrast adaptation may enhance contrast discrimination, Spatial Vision, 16, 45-58.

Arnold, D.H. & Clifford, C.W.G. (2002) Determinants of asynchronous processing in vision, Proceedings of the Royal Society of London, Series B: Biological Sciences, 269, 579-583.

Clifford, C.W.G. (2002) Perceptual adaptation: motion parallels orientation, Trends in Cognitive Sciences, 6, 136-143.

Peters, R.A., Clifford, C.W.G. & Evans, C.S. (2002) Measuring the structure of dynamic visual signals, Animal Behaviour, 64, 131-146.

Spehar, B., Clifford, C.W.G. & Agostini, T. (2002) Induction in variants of White's effect: common or separate mechanisms?, Perception, 30, 189-196.

2001

Arnold, D.H., Clifford, C.W.G. & Wenderoth, P. (2001) Asynchronous processing in vision: colour leads motion, Current Biology, 11, 596-600.

Clifford, C.W.G., Ma Wyatt, A., Arnold, D. H., Smith, S. T. & Wenderoth, P. (2001) Orthogonal adaptation improves orientation discrimination, Vision Research, 41, 151-159.

Ibbotson, M.R. & Clifford, C.W.G. (2001a) Characterising temporal delay filters in biological motion detectors, Vision Research, 41, 2311-2323 (erratum p.3943).

Ibbotson, M.R. & Clifford, C.W.G. (2001b) Interactions between On- and Off-signals in directional motion detectors feeding the nucleus of the optic tract of the wallaby, Journal of Neurophysiology, 86, 997-1005.

Smith, S.T., Clifford, C.W.G. & Wenderoth, P. (2001) Interaction between first- and second-order orientation channels revealed by the tilt illusion: psychophysics and computational modelling, Vision Research, 41, 1057-1071.

Wenderoth, P., Clifford, C.W.G. & Ma Wyatt, A. (2001) Hierarchy of spatial interactions in the processing of contrast-defined contours, J. Opt. Soc. Am. A, 18, 2190-2196.

2000

Clifford, C.W.G. & Ibbotson, M.R. (2000) Response variability and information transfer in directional neurons of the mammalian horizontal optokinetic system, Visual Neuroscience 17, 207-215.

Clifford, C.W.G. & Langley, K. (2000) Recursive implementations of temporal filters for image motion computation, Biological Cybernetics, 82, 383-390.

Clifford, C.W.G., Wenderoth, P. & Spehar, B. (2000) A functional angle on some after-effects in cortical vision, Proceedings of the Royal Society of London, Series B: Biological Sciences, 267, 1705-1710.

1999

Clifford, C.W.G. & Vaina, L.M. (1999a) A computational model of selective deficits in first- and second-order motion processing, Vision Research, 39, 113-130.

Clifford, C.W.G. & Vaina, L.M. (1999b) Anomalous perception of coherence and transparency in moving plaid patterns, Cognitive Brain Research, 8, 345-353.

Clifford, C.W.G. & Wenderoth, P. (1999) Adaptation to temporal modulation can enhance differential speed sensitivity, Vision Research, 39, 4324-4332.

Clifford, C.W.G., Beardsley, S.A. & Vaina, L.M. (1999) The perception and discrimination of speed in complex motion, Vision Research, 39, 2213-2227.

Ibbotson, M.R., Clifford, C.W.G. & Mark, R.F. (1999) A quadratic nonlinearity underlies direction-selectivity in the nucleus of the optic tract, Visual Neuroscience 16, 991-1000.

1998

Clifford, C.W.G., Freedman, J.N. & Vaina, L.M. (1998) First- and second-order motion perception in Gabor micropattern stimuli: psychophysics and computational modelling, Cognitive Brain Research, 6, 263-271.

Ibbotson, M.R., Clifford, C.W.G. & Mark, R.F. (1998) Adaptation to visual motion in the directional neurons of the nucleus of the optic tract, Journal of Neurophysiology, 79, 1481-1493.

1997

Clifford, C.W.G., Ibbotson, M.R. & Langley, K. (1997) An adaptive Reichardt detector model of motion adaptation in insects and mammals, Visual Neuroscience, 14, 741-749.

1996

Clifford, C.W.G. & Langley, K. (1996a) A model of temporal adaptation in fly motion vision, Vision Research, 36, 2595-2608.

Clifford, C.W.G. & Langley, K. (1996b) Psychophysics of motion adaptation parallels insect electrophysiology, Current Biology, 6, 1340-1342.

1995

Johnston, A. & Clifford, C.W.G. (1995a) A unified account of three apparent motion illusions, Vision Research, 35, 1109-1123.

Johnston, A. & Clifford, C.W.G. (1995b) Perceived motion of contrast modulated gratings: predictions of the Multi-channel Gradient Model and the role of full-wave rectification, Vision Research, 35, 1771-1783.

Book Chapters

Clifford, C.W.G. (in press). Visual motion processing, in Encyclopedia of Neuroscience, M.D. Binder et al. (eds.), Springer-Verlag.

Clifford, C.W.G. (in press). Dynamics of visual feature binding, in Space & Time in Perception & Action, R. Nijhawan & B. Khurana (eds.), Cambridge University Press.

Badcock, D.R. & Clifford, C.W.G. (2006) The inputs to global form detection, in Seeing Spatial Form, M. Jenkins & L.R. Harris (eds.), Oxford University Press, pp.37-50.

Clifford, C.W.G. (2005) Functional ideas about adaptation applied to spatial and motion vision, in Fitting the Mind to the World: Adaptation and Aftereffects in High-Level Vision, C.W.G. Clifford & G. Rhodes (eds.), Oxford University Press, 47-82.

Clifford, C.W.G. & Rhodes, G. (2005) Introduction: Fitting the Mind to the World, in Fitting the Mind to the World: Adaptation and Aftereffects in High-Level Vision, C.W.G. Clifford & G. Rhodes (eds.), Oxford University Press, 1-13.

Rhodes, G., Robbins, R., Jaquet, E., McKone, E., Jeffery, L. & Clifford, C.W.G. (2005) Adaptation and face perception – how aftereffects implicate norm based coding of faces, in Fitting the Mind to the World: Adaptation and Aftereffects in High-Level Vision, C.W.G. Clifford & G. Rhodes (eds.), Oxford University Press, 213-240.

Taylor, R.P, Newell, B., Spehar, B. & Clifford, C.W.G. (2005) Fractals: a resonance between Art and Nature, in Visual Perfection: Mathematics & Creativity (ed. M. Emmer), Springer, pp.53-64.

Published Conference Papers

Taylor, R.P., Newell, B., Spehar, B. & Clifford, C.W.G. (2001) Fractals: a resonance between art and nature?, Symmetry: Art and Science, 1, 194-197.

Clifford, C.W.G., Arnold, D.H. & Wenderoth, P. (2000) Dissociable factors affect speed perception and discrimination, Clinical & Experimental Ophthalmology, 28, 230-232.

Clifford, C.W.G. & Wenderoth, P. (1999) Does cortical motion adaptation exhibit functional properties analogous to light adaptation in the retina?, Australian & New Zealand Journal of Ophthalmology, 27, 261-263.

Clifford, C.W.G., Langley, K. & Fleet, D.J. (1995) Centre-frequency adaptive IIR temporal filters for phase-based image velocity estimation, Proc. 5th. IEE Int. Conf. on Image Processing and its applications, 173-177.

Commentaries & Book Reviews in Academic Journals

Clifford, C.W.G. (2004). Review of Mausfeld, R. & Heyer, D. (eds.) (2004) Colour Perception: Mind and the Physical World. Perception, 33, 1399-1400.

Clifford, C.W.G. (2002) Response offset: the first sign of change?, Trends in Neurosciences, 25, 346.

Clifford, C.W.G. (2002) Motion perception: tipping the microbalance?, Trends in Cognitive Sciences, 6, 66.

Spehar, B. & Clifford, C.W.G. (2002) Painting with light by Rob and Nick Carter: dramatic failures of colour constancy in articulated scenes, Perception, 30, 197-200.

Clifford, C.W.G. (2001) Motion in the real world, Trends in Neurosciences, 24, 362.

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