Spehar B Clifford CWG Newell B & Taylor RP (2003). "Universal Aesthetic of Fractals" Computers & graphics In Press
Clifford CWG Spehar B Solomon SG Martin PR & Zaidi Q (2003). "Interactions between colour and luminance in the perception of orientation" Journal of Vision 3
Spehar B Gillam B 2002 "Modal completion in the poggendorff illusion: support for the depth-processing theory" Psychological Science 13 306-12 PDF
Spehar B Clifford CWG 2002 "Painting with light by Nick Carter: dramatic failures of colour constancy in articulated scenes" Perception 31 197-200 PDF
Speher B Clifford CWG Agostini T 2002 "Induction in vartiants of White's effect: common or separate mechanisms?" Perception 31 189-96 PDF
Spehar B 2002 "The role of contrast polarity in perceptual closure" Vision Research 42 343-50 PDF
Spehar B 2000 "Degraded illusory contour formation with non-uniform inducers in Kanizsa configurations: the role of contrast polarity" Vision Research 40 2653-9 PDF
Clifford CWG Wenderoth P Spehar B 2000 "A functional angle on some after-effects in cortical vision" Proceedings of the Royal Society of London B 267 1705-10
Gilchrist A Kossyfidis C Bonato F Agostini T Cataliotti J Li X Spehar B Annan V Economou E 1999 "An anchoring theory of lightness perception" Psychological Review 106 795-834
Zaidi Q Spehar B DeBonet J 1998 "Adaptation to textured chromatic fields" Journal of the Optical Society of America A 15 23-32 PDF
Spehar B Zaidi Q 1997 "New configurational effects on perceived contrast and brightness: second order White's effects" Perception 26 409-17
Zaidi Q Spehar B 1997 "Induced effects of backgrounds and foregrounds in pictures of three-dimensional configurations: the role of T junctions" Perception 26 395-408
Spehar B Zaidi Q 1997 "Surround effects on the shape of the temporal sensitivity function"Journal of the optical Society of America 14 2517-25 PDF
Zaidi Q Spehar B DeBonet J 1997 "Colour constancy in variegated scenes: the role of low-level mechanisms in discounting illumination changes" Journal of the Optical Society of America A14 2608-21 PDF
Spehar B Gilchrist AL Arend LE 1997 "Qualitative boundaries critical in square-wave brightness illusions: A reply to Kingdom et al (1996)" PDF Vision Research 37 1044-8PDF
Spehar B DeBonet J Zaidi Q 1996 "Brightness Induction from Uniform and Complex Surrounds: A General Model" Vision Research 36 1893-1906 PDF
Greenstein V Zaidi Q Hood D DeBonet JS Spehar B Cideciyan A Jacobson S 1996 "Enhanced S Cone Syndrome: receptoral and post-receptoral analyses" Vision Research 36 3711-22- Reprinted in OSA Trends in Optics and Photonics Series Vol. 11, Noninvasive Assessment of the Visual System Yager D (ed.) (Optical Society of America Washington DC 1997)
Spehar B Gilchrist AL Arend LE 1995 "The critical role of relative luminance relations in White's effect and grating induction" Vision Research 35 2603-14 PDF
Spehar B Arend LA Gilchrist AL 1995 "Contrast-contrast: interactions between spatial and luminance factors" Review of Psychology 2 3-12
Arend LE Spehar B 1993 "Lightness, Brightness and Brightness Contrast: Illuminance Variation" Perception and Psychophysics 54 446-56
Arend LE Spehar B 1993 "Lightness, Brightness and Brightness Contrast: Reflectance Variation" Perception and Psychophysics 54 457-68
Taylor RP Newell B Spehar B Clifford CWG 2002 “Fractals: a resonance between Art and Nature” in The Visual Mind Part 2 (ed. M Emmer) Cambridge MA: MIT Press in press
Taylor RP Newell B Spehar B Clifford CWG 2001 "Fractals: a resonance between art and nature?" Symmetry: Art and Science 1 194-7
Clifford CWG Forte JD Pearson J Spehar B 2003 “Chromatic selectivity of human orientation processing” Proc. Aust. Neuroscience 14 Oral 7/4
Spehar B Clifford CWG 2003 “Visual completion of image fragments” Proc. Aust. Neuroscience 14 Poster 284
Clifford CWG Spehar B Solomon SG Martin PR Zaidi Q 2002 “Colour-luminance interactions in human orientation perception” Journal of Vision 2 7 215a
Spehar B Clifford CWG Johnston A 2002 “The role of oriented filters and T-junctions in White’s Effect” Journal of Vision 2 7 555a
Spehar B Clifford CWG Rhodes G 2002 “Search efficiency for average and distorted faces” Proceedings of the 6th Conference of the Australasian Cognitive Science Society 50
Spehar B Parry L Clifford CWG 2002 “Dynamics of modal and amodal completion” Perception 31 ECVP Supplement 152
Spehar B Clifford CWG 2001 "Brightness induction in variants of White's effect" Aust. J. Psychol 53 Australian Psychology Conferences Supplement 66
Spehar B Clifford CWG Agostini T 2001 "Brightness induction in complex figural surrounds: classical and inverted White’s effects reconsidered" Investigative Ophthalmology and Visual Science 42 S51
Owens C Spehar B Andrews S 2001 "The importance of singleton relevance for attentional capture" Paper accepted for the Psychonomic Society Conference, November, Los Angeles, USA
Owens C Spehar B 2001 "Varieties of attentional capture" Paper presented at the 27th Australian Experimental Psychology Conference, April, Melbourne
Spehar B Clifford CWG Agostini T 2001 "Brightness induction in complex figural surrounds: classical and inverted White's effects reconsidered" Investigative Ophthalmology & Visual Science 42 4 S51
Spehar B 2000 "Fraser cords: A new twist" Investigative Ophthalmology & Visual Science 41 4 S453
Spehar B and Zaidi Q 2000 "Crispening in luminance and colour" Perception 30 35
Spehar B and Clifford C 1999 "The role of flicker and motion in the perception of illusory contours" Perception 29 S32
Spehar B 1999 "The role of contrast polarity in illusory contour formation" Investigative Ophthalmology & Visual Science 40 S779
Gillam B Proudfoot H Spehar B 1999 "The relationship between figure-ground perception and subjective contours" Investigative Ophthalmology & Visual Science 40 4 S779
Spehar B 1999 "Inducers' non-uniformity and illusory contour formation" Australian Journal of Psychology 51 Supplement
Spehar B 1998 "Discrimination of Illusory Shapes" The Australasian Ophthalmic and Vision Science Meeting, 27-29 November, Canberra
Spehar B Gillam B 1998 "The role of modal and amodal completion in Poggendorff illusion" Perception 28 Supplement
Spehar B 1998 "Is perceptual closure sensitive to contrast polarity reversals?" Association for Research in Vision and Ophthalmology, Annual Meeting, Ft. Lauderdale, Florida
Spehar B Cheang A Soo C Ramdoyal A Gentle C 1997 "The effect of contrast polarity on perceptual closure" The Australasian Ophthalmic and Vision Science Meeting, Canberra, 6-7 December
Spehar B Blackburn S Gillam B 1997 "Local and global constraints on illusory contour formation: The role of T-junctions" Association for Research in Vision and Ophthalmology, Annual Meeting (Investigative Ophthalmology & Visual Science 37 Supplement)
Spehar B 1997 "The role of T-junctions in illusory contour formation" Australian Experimental Psychology Conference, Deakin University, Geelong
Zaidi Q Spehar B DeBonet JS 1996 "Adaptation to variegated scenes and colour constancy" European Conference on Visual Perception, September 1996, Strassbourg, France, Perception 26 Supplement
Spehar B and Zaidi Q 1996 "Effects of simple and complex surrounds on temporal contrast sensitivity" Association for Research in Vision and Ophthalmology, Annual Meeting (Investigative Ophthalmology & Visual Science 37 392)
Zaidi Q Spehar B DeBonet JS 1996 "Chromatic adaptation to variegated fields" Association for Research in Vision and Ophthalmology, Annual Meeting (Investigative Ophthalmology & Visual Science 37 4 279)
Spehar B DeBonet J Zaidi Q 1995 "Spatial summation of brightness induction" Association for Research in Vision and Ophthalmology, Annual Meeting (Investigative Ophthalmology & Visual Science 36 4 S468)
Spehar B DeBonet J Zaidi Q 1995 "Brightness induction from complex surrounds" European Conference on Visual Perception (Perception 24 S37)
Spehar B DeBonet J Zaidi Q 1995 "Spatial summation of brightness induction in spatially non-homogeneous surrounds" American Psychological Society Annual Convention, New York
Zaidi Q DeBonet JS and Spehar B 1995 "Detection of illumination changes in variegated scenes" Association for Research in Vision and Ophthalmology, Annual Meeting (Investigative Ophthalmology & Visual Science 36 4 640)
Greenstein V Hood DC Zaidi Q Spehar B DeBonet J Cideciyan AV Jacobson SG 1995 "Enhanced S cone syndrome: Evidence for relatively more S than L and M cones" Association for Research in Vision and Ophthalmology, Annual Meeting (Investigative Ophthalmology & Visual Science 36 4 447)
Zaidi Q DeBonet J Spehar B 1995 "Detection of illumination changes in variegated scenes" European Conference on Visual Perception (Perception 24 12)
Zaidi Q DeBonet JS Spehar B 1995 "Perceived grey-levels in complex configurations" Inter Society Color Council, Annual Meeting (ISCC 64th Annual Meeting 39-42 1995)
Spehar B Agostini T Gilchrist AL 1994 "When is surface lightness matched in terms of absolute luminance versus relative luminance" Association for Research in Vision and Ophthalmology, Annual Meeting (Investigative Ophthalmology & Visual Science 35 4 2166)
Spehar B Arend LE Gilchrist AL 1992 "White’s illusion: A new luminance distribution constraint" Association for Research in Vision and Ophthalmology, Annual Meeting (Investigative Ophthalmology & Visual Science 33 4 2836)
Spehar B Gilchrist AL Arend LE 1992 "White’s illusion: The role of intensity and figural relationships" European Conference on Visual Perception Perception 21 81
Spehar B and Arend LE 1991 "Perceptual factors in contrast-contrast" Optical Society of America Annual Meeting, San Jose, California, Technical Digest
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