Professor John Mollon
University position
Professor
Professor John Mollon is pleased to consider applications from prospective PhD students.
Departments
Home page
http://vision.psychol.cam.ac.uk/ (personal home page)
Research Themes
Interests
My research interests are in the visual perception of colour, motion, form and depth; the genetic basis for individual variations in perception; the nature of the information carried by the cerebral bus; and the history of neuroscience and of colour theory.

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Research Focus
Keywordsvision genetics colour motion neural circuit |
Clinical conditionsBlindness Genetic disorders |
Equipment
Psychophysics
Web-based testing
Collaborators
United KingdomGabriele Jordan Web: http://www.ncl.ac.uk/ion/sta... Hannah Smithson Web: http://www.psy.ox.ac.uk/ InternationalMarina Danilova Web: http://www.infran.ru/index_e... |
Key publications
Smithson HE, Mollon JD (2006), “Do masks terminate the icon?” Quarterly Journal of Experimental Psychology 59:150-160
Bosten JM, Robinson JD, Jordan G, Mollon JD (2005), “Multidimensional scaling reveals a color dimension unique to 'color deficient' observers” Current Biology 15:R950-R952 Details
Danilova MV, Mollon JD (2003), “Comparison at a distance” Perception 32:395-414
Publications
2011
Michaelides M, Rha J, Dees EW, Baraas RC, Wagner-Schuman ML, Mollon JD, Dubis AM, Andersen MK, Rosenberg T, Larsen M, Moore AT, Carroll J (2011), “Integrity of the cone photoreceptor mosaic in oligocone trichromacy.” Invest Ophthalmol Vis Sci 52(7):4757-64 Details
Smith WS, Mollon JD, Bhardwaj R, Smithson HE (2011), “Is there brief temporal buffering of successive visual inputs?” Q J Exp Psychol (Colchester) 64(4):767-91 Details
To MP, Regan BC, Wood D, Mollon JD (2011), “Vision out of the corner of the eye.” Vision Res 51(1):203-14 Details
2010
Bosten JM, Mollon JD (2010), “Is there a general trait of susceptibility to simultaneous contrast?” Vision Res 50(17):1656-64 Details
Danilova MV, Mollon JD (2010), “Parafoveal color discrimination: a chromaticity locus of enhanced discrimination.” J Vis 10(1) Details
Jordan G, Deeb SS, Bosten JM, Mollon JD (2010), “The dimensionality of color vision in carriers of anomalous trichromacy.” J Vis 10(8):12 Details
2009
Danilova MV, Mollon JD (2009), “The symmetry of visual fields in chromatic discrimination.” Brain Cogn 69(1):39-46 Details
Formankiewicz MA, Mollon JD (2009), “The psychophysics of detecting binocular discrepancies of luminance.” Vision Res 49(15):1929-38 Details
Lee RJ, Mollon JD, Zaidi Q, Smithson HE (2009), “Latency characteristics of the short-wavelength-sensitive cones and their associated pathways.” J Vis 9(12):5.1-17 Details
Mollon JD (2009), “Unlocked edges or contradictory edges? Is there a master signal for edge locking?” Perception 38(6):832-4; discussion 836 Details
Mollon JD (2009), “A neural basis for unique hues?” Curr Biol 19(11):R441-2; author reply R442-3 Details
2008
Blake Z, Land T, Mollon J (2008), “Relative latencies of cone signals measured by a moving vernier task.” J Vis 8(16):16.1-11 Details
2006
Danilova M, Mollon J (2006), “The gap effect is exaggerated in parafovea.” Vis Neurosci 23(3-4):509-17 Details
Danilova MV, Mollon JD (2006), “The comparison of spatially separated colours.” Vision Res 46(6-7):823-36 Details
Hood SM, Mollon JD, Purves L, Jordan G (2006), “Color discrimination in carriers of color deficiency.” Vision Res 46(18):2894-900 Details
Mollon J (2006), “Monge: The Verriest lecture, Lyon, July 2005.” Vis Neurosci 23(3-4):297-309 Details
Smithson H, Mollon J (2006), “Do masks terminate the icon?” Q J Exp Psychol (Colchester) 59(1):150-60 Details
2005
Michaelides M, Holder GE, Webster AR, Hunt DM, Bird AC, Fitzke FW, Mollon JD, Moore AT (2005), “A detailed phenotypic study of "cone dystrophy with supernormal rod ERG".” Br J Ophthalmol 89(3):332-9 Details
Michaelides M, Johnson S, Bradshaw K, Holder GE, Simunovic MP, Mollon JD, Moore AT, Hunt DM (2005), “X-linked cone dysfunction syndrome with myopia and protanopia.” Ophthalmology 112(8):1448-54 Details
Michaelides M, Johnson S, Simunovic MP, Bradshaw K, Holder G, Mollon JD, Moore AT, Hunt DM (2005), “Blue cone monochromatism: a phenotype and genotype assessment with evidence of progressive loss of cone function in older individuals.” Eye (Lond) 19(1):2-10 Details
2004
Johnson S, Michaelides M, Aligianis IA, Ainsworth JR, Mollon JD, Maher ER, Moore AT, Hunt DM (2004), “Achromatopsia caused by novel mutations in both CNGA3 and CNGB3.” J Med Genet 41(2):e20 Details
Michaelides M, Aligianis IA, Ainsworth JR, Good P, Mollon JD, Maher ER, Moore AT, Hunt DM (2004), “Progressive cone dystrophy associated with mutation in CNGB3.” Invest Ophthalmol Vis Sci 45(6):1975-82 Details
Michaelides M, Holder GE, Bradshaw K, Hunt DM, Mollon JD, Moore AT (2004), “Oligocone trichromacy: a rare and unusual cone dysfunction syndrome.” Br J Ophthalmol 88(4):497-500 Details
Smithson HE, Mollon JD (2004), “Is the S-opponent chromatic sub-system sluggish?” Vision Res 44(25):2919-29 Details
Thomas PB, Mollon JD (2004), “Modelling the Rayleigh match.” Vis Neurosci 21(3):477-82 Details
2003
Danilova MV, Mollon JD (2003), “Comparison at a distance.” Perception 32(4):395-414 Details
Michaelides M, Aligianis IA, Holder GE, Simunovic M, Mollon JD, Maher ER, Hunt DM, Moore AT (2003), “Cone dystrophy phenotype associated with a frameshift mutation (M280fsX291) in the alpha-subunit of cone specific transducin (GNAT2).” Br J Ophthalmol 87(11):1317-20 Details
Sumner P, Mollon JD (2003), “Colors of primate pelage and skin: objective assessment of conspicuousness.” Am J Primatol 59(2):67-91 Details
2002
Kim YG, Mollon JD (2002), “Conditions under which stereopsis and motion perception are blind.” Perception 31(1):65-71 Details
Mollon JD (2002), “The origins of the concept of interference.” Philos Transact A Math Phys Eng Sci 360(1794):807-19 Details
Sumner P, Adamjee T, Mollon JD (2002), “Signals invisible to the collicular and magnocellular pathways can capture visual attention.” Curr Biol 12(15):1312-6 Details
2001
Regan BC, Julliot C, Simmen B, Viénot F, Charles-Dominique P, Mollon JD (2001), “Fruits, foliage and the evolution of primate colour vision.” Philos Trans R Soc Lond B Biol Sci 356(1407):229-83 Details
Simunovic MP, Regan BC, Mollon JD (2001), “Is color vision deficiency an advantage under scotopic conditions?” Invest Ophthalmol Vis Sci 42(13):3357-64 Details
2000
Gregory-Evans K, Kelsell RE, Gregory-Evans CY, Downes SM, Fitzke FW, Holder GE, Simunovic M, Mollon JD, Taylor R, Hunt DM, Bird AC, Moore AT (2000), “Autosomal dominant cone-rod retinal dystrophy (CORD6) from heterozygous mutation of GUCY2D, which encodes retinal guanylate cyclase.” Ophthalmology 107(1):55-61 Details
Sivagnanasundaram S, Morris AG, Gaitonde EJ, McKenna PJ, Mollon JD, Hunt DM (2000), “A cluster of single nucleotide polymorphisms in the 5'-leader of the human dopamine D3 receptor gene (DRD3) and its relationship to schizophrenia.” Neurosci Lett 279(1):13-6 Details
Sumner P, Mollon JD (2000), “Chromaticity as a signal of ripeness in fruits taken by primates.” J Exp Biol 203(Pt 13):1987-2000 Details
Sumner P, Mollon JD (2000), “Catarrhine photopigments are optimized for detecting targets against a foliage background.” J Exp Biol 203(Pt 13):1963-86 Details
1999
Dulai KS, von Dornum M, Mollon JD, Hunt DM (1999), “The evolution of trichromatic color vision by opsin gene duplication in New World and Old World primates.” Genome Res 9(7):629-38 Details
Mollon JD (1999), “Color vision: opsins and options.” Proc Natl Acad Sci U S A 96(9):4743-5 Details
1998
Hunt DM, Dulai KS, Cowing JA, Julliot C, Mollon JD, Bowmaker JK, Li WH, Hewett-Emmett D (1998), “Molecular evolution of trichromacy in primates.” Vision Res 38(21):3299-306 Details
Jordan G, Mollon JD (1998), “Shift in Rayleigh matches after adaptation to monochromatic light of various intensities.” Vision Res 38(21):3253-7 Details
Mollon JD, Regan BC, Bowmaker JK (1998), “What is the function of the cone-rich rim of the retina?” Eye (Lond) 12 ( Pt 3b):548-52 Details
Regan BC, Freudenthaler N, Kolle R, Mollon JD, Paulus W (1998), “Colour discrimination thresholds in Parkinson's disease: results obtained with a rapid computer-controlled colour vision test.” Vision Res 38(21):3427-31 Details
Regan BC, Julliot C, Simmen B, Viénot F, Charles-Dominique P, Mollon JD (1998), “Frugivory and colour vision in Alouatta seniculus, a trichromatic platyrrhine monkey.” Vision Res 38(21):3321-7 Details
Simunovic MP, Votruba M, Regan BC, Mollon JD (1998), “Colour discrimination ellipses in patients with dominant optic atrophy.” Vision Res 38(21):3413-9 Details
1997
Brettel H, Viénot F, Mollon JD (1997), “Computerized simulation of color appearance for dichromats.” J Opt Soc Am A Opt Image Sci Vis 14(10):2647-55 Details
Gaitonde EJ, Sivagnanasundaram S, Morris AG, McKenna PJ, Mollon JD, Hunt DM (1997), “The number of triplet repeats in five brain-expressed loci with CAG repeats is not associated with schizophrenia.” Schizophr Res 25(2):111-6 Details
Jordan G, Mollon JD (1997), “Adaptation of colour vision to sunlight.” Nature 386(6621):135-6 Details
Mollon JD (1997), “"... On the basis of velocity clues alone": some perceptual themes 1946-1996.” Q J Exp Psychol A 50(4):859-78 Details
Webster MA, Mollon JD (1997), “Adaptation and the color statistics of natural images.” Vision Res 37(23):3283-98 Details
Webster MA, Mollon JD (1997), “Motion minima for different directions in color space.” Vision Res 37(11):1479-98 Details
1996
Bonnardel V, Bellemare H, Mollon JD (1996), “Measurements of human sensitivity to comb-filtered spectra.” Vision Res 36(17):2713-20 Details
Gaitonde EJ, Morris A, Sivagnanasundaram S, McKenna PJ, Hunt DM, Mollon JD (1996), “Assessment of association of D3 dopamine receptor MscI polymorphism with schizophrenia: analysis of symptom ratings, family history, age at onset, and movement disorders.” Am J Med Genet 67(5):455-8 Details
Mollon JD, Danilova MV (1996), “Three remarks on perceptual learning.” Spat Vis 10(1):51-8 Details
Mollon JD, Perkins AJ (1996), “Errors of judgement at Greenwich in 1796.” Nature 380(6570):101-2 Details
1995
Hunt DM, Cowing JA, Patel R, Appukuttan B, Bowmaker JK, Mollon JD (1995), “Sequence and evolution of the blue cone pigment gene in Old and New World primates.” Genomics 27(3):535-8 Details
Hunt DM, Dulai KS, Bowmaker JK, Mollon JD (1995), “The chemistry of John Dalton's color blindness.” Science 267(5200):984-8 Details
Jordan G, Mollon JD (1995), “Rayleigh matches and unique green.” Vision Res 35(5):613-20 Details
Morris AG, Gaitonde E, McKenna PJ, Mollon JD, Hunt DM (1995), “CAG repeat expansions and schizophrenia: association with disease in females and with early age-at-onset.” Hum Mol Genet 4(10):1957-61 Details
Shyue SK, Hewett-Emmett D, Sperling HG, Hunt DM, Bowmaker JK, Mollon JD, Li WH (1995), “Adaptive evolution of color vision genes in higher primates.” Science 269(5228):1265-7 Details
Viénot F, Brettel H, Ott L, Ben M'Barek A, Mollon JD (1995), “What do colour-blind people see?” Nature 376(6536):127-8 Details
Webster MA, Mollon JD (1995), “Colour constancy influenced by contrast adaptation.” Nature 373(6516):694-8 Details
1994
Dulai KS, Bowmaker JK, Mollon JD, Hunt DM (1994), “Sequence divergence, polymorphism and evolution of the middle-wave and long-wave visual pigment genes of great apes and Old World monkeys.” Vision Res 34(19):2483-91 Details
Regan BC, Reffin JP, Mollon JD (1994), “Luminance noise and the rapid determination of discrimination ellipses in colour deficiency.” Vision Res 34(10):1279-99 Details
Webster MA, Mollon JD (1994), “The influence of contrast adaptation on color appearance.” Vision Res 34(15):1993-2020 Details
1993
Hunt DM, Williams AJ, Bowmaker JK, Mollon JD (1993), “Structure and evolution of the polymorphic photopigment gene of the marmoset.” Vision Res 33(2):147-54 Details
Jordan G, Mollon JD (1993), “A study of women heterozygous for colour deficiencies.” Vision Res 33(11):1495-508 Details
Jordan G, Mollon JD (1993), “The Nagel anomaloscope and seasonal variation of colour vision.” Nature 363(6429):546-9 Details
Mollon JD (1993), “Colour vision: mixing genes and mixing colours.” Curr Biol 3(2):82-5 Details
Webster MA, Mollon JD (1993), “Contrast adaptation dissociates different measures of luminous efficiency.” J Opt Soc Am A 10(6):1332-40 Details
1992
Ibbotson RE, Hunt DM, Bowmaker JK, Mollon JD (1992), “Sequence divergence and copy number of the middle- and long-wave photopigment genes in Old World monkeys.” Proc Biol Sci 247(1319):145-54 Details
Mollon J (1992), “Colour vision. Worlds of difference.” Nature 356(6368):378-9 Details
Mollon JD, Astell S, Cavonius CR (1992), “A reduction in stimulus duration can improve wavelength discriminations mediated by short-wave cones.” Vision Res 32(4):745-55 Details
Mollon JD, Bowmaker JK (1992), “The spatial arrangement of cones in the primate fovea.” Nature 360(6405):677-9 Details
Morgan MJ, Adam A, Mollon JD (1992), “Dichromats detect colour-camouflaged objects that are not detected by trichromats.” Proc Biol Sci 248(1323):291-5 Details
Tovée MJ, Bowmaker JK, Mollon JD (1992), “The relationship between cone pigments and behavioural sensitivity in a New World monkey (Callithrix jacchus jacchus).” Vision Res 32(5):867-78 Details
Williams AJ, Hunt DM, Bowmaker JK, Mollon JD (1992), “The polymorphic photopigments of the marmoset: spectral tuning and genetic basis.” EMBO J 11(6):2039-45 Details
1991
Bowmaker JK, Astell S, Hunt DM, Mollon JD (1991), “Photosensitive and photostable pigments in the retinae of Old World monkeys.” J Exp Biol 156:1-19 Details
Mollon J (1991), “G protein-coupled receptors. Hue and the heptahelicals.” Nature 351(6329):696-7 Details
Webster MA, Mollon JD (1991), “Changes in colour appearance following post-receptoral adaptation.” Nature 349(6306):235-8 Details
1990
Mollon JD (1990), “Neurobiology. The club-sandwich mystery.” Nature 343(6253):16-7 Details
1989
Mollon JD (1989), “"Tho' she kneel'd in that place where they grew..." The uses and origins of primate colour vision.” J Exp Biol 146:21-38 Details
1988
Mollon JD, Estévez O (1988), “Tyndall's paradox of hue discrimination.” J Opt Soc Am A 5(1):151-9 Details
Travis DS, Bowmaker JK, Mollon JD (1988), “Polymorphism of visual pigments in a callitrichid monkey.” Vision Res 28(4):481-90 Details
1987
Bowmaker JK, Jacobs GH, Mollon JD (1987), “Polymorphism of photopigments in the squirrel monkey: a sixth phenotype.” Proc R Soc Lond B Biol Sci 231(1264):383-90 Details
Mollon JD (1987), “History of optics: John Elliot MD (1747-1787).” Nature 329(6134):19-20 Details
Mollon JD, Stockman A, Polden PG (1987), “Transient tritanopia of a second kind.” Vision Res 27(4):637-50 Details
1986
Mollon J (1986), “Walter Stanley Stiles 1901-1985.” Perception 15(6):657-66 Details
Mollon JD (1986), “Perception. Questions of sex and colour.” Nature 323(6089):578-9 Details
Mollon JD (1986), “Molecular genetics: understanding colour vision.” Nature 321(6065):12-3 Details
Stockman A, Mollon J (1986), “The spectral sensitivities of the middle- and long-wavelength cones: an extension of the two-colour threshold technique of W S Stiles.” Perception 15(6):729-54 Details
1985
Bowmaker JK, Jacobs GH, Spiegelhalter DJ, Mollon JD (1985), “Two types of trichromatic squirrel monkey share a pigment in the red-green spectral region.” Vision Res 25(12):1937-46 Details
1984
Mollon JD, Bowmaker JK, Jacobs GH (1984), “Variations of colour vision in a New World primate can be explained by polymorphism of retinal photopigments.” Proc R Soc Lond B Biol Sci 222(1228):373-99 Details
1983
Dartnall HJ, Bowmaker JK, Mollon JD (1983), “Human visual pigments: microspectrophotometric results from the eyes of seven persons.” Proc R Soc Lond B Biol Sci 220(1218):115-30 Details
1982
Mollon JD (1982), “Color vision.” Annu Rev Psychol 33:41-85 Details
1981
Jacobs GH, Bowmaker JK, Mollon JD (1981), “Behavioural and microspectro-photometric measurements of colour vision in monkeys.” Nature 292(5823):541-3 Details
1980
Bowmaker JK, Dartnall HJ, Mollon JD (1980), “Microspectrophotometric demonstration of four classes of photoreceptor in an old world primate, Macaca fascicularis.” J Physiol 298:131-43 Details
Mollon JD (1980), “Post-receptoral processes in colour vision.” Nature 283(5748):623-4 Details
Mollon JD, Polden PG (1980), “A curiosity of light adaptation.” Nature 286(5768):59-62 Details
Polden PG, Mollon JD (1980), “Reversed effect of adapting stimuli on visual sensitivity.” Proc R Soc Lond B Biol Sci 210(1179):235-72 Details
1979
Bowmaker JK, Dartnall HJ, Mollon JD (1979), “The violet-sensitive receptors of primate retinae [proceedings].” J Physiol 292:31P Details
Mollon JD, Polden PG (1979), “Post-receptoral adaptation.” Vision Res 19(4):435-40 Details
Pugh EN Jr, Mollon JD (1979), “A theory of the pi1 and pi3 color mechanisms of Stiles.” Vision Res 19(3):293-312 Details
1978
Bowmaker JK, Dartnall HJ, Lythgoe JN, Mollon JD (1978), “The visual pigments of rods and cones in the rhesus monkey, Macaca mulatta.” J Physiol 274:329-48 Details
1977
Mollon JD, Polden PG (1977), “An anomaly in the response of the eye to light of short wavelengths.” Philos Trans R Soc Lond B Biol Sci 278(960):207-40 Details
Mollon JD, Polden PG (1977), “Saturation of a retinal cone mechanism.” Nature 265(5591):243-6 Details
1976
Mollon JD, Polden PG (1976), “Absence of transient tritanopia after adaptation to very intense yellow light.” Nature 259(5544):570-2 Details
Mollon JD, Polden PG (1976), “Proceedings: Transient tritanopia: evidence for interaction between colour mechanisms.” J Physiol 254(1):66P-67P Details
Mollon JD, Polden PG (1976), “Proceedings: Some properties of the blue cone mechanism of the eye.” J Physiol 254(1):1P-2P Details
1975
Mollon JD, Polden PG (1975), “Colour illusion and evidence for interaction between cone mechanisms.” Nature 258(5534):421-2 Details
Mollon JD, Ross H (1975), “Gregory on the sun illusion.” Perception 4(1):115-8 Details
1973
Mollon JD, Krauskopf J (1973), “Reaction time as a measure of the temporal response properties of individua colour mechanisms.” Vision Res 13(1):27-40 Details
1971
Krauskopf J, Mollon JD (1971), “The independence of the temporal integration properties of individual chromatic mechanisms in the human eye.” J Physiol 219(3):611-23 Details
1968
Mollon JD (1968), “Fixation and perception.” Opt Acta (Lond) 15(3):295-7 Details


