My publications


Publications in Creativity and Aesthetics

Pringle, A. & Sowden, P. T. (in press). Unearthing the Creative Thinking Process: Fresh Insights from a Think Aloud Study of Garden Design. Psychology of Aesthetics, Creativity & the Arts.

Pringle, A. & Sowden, P. T. (2017). The Mode Shifting Index (MSI): A new measure of the creative thinking skill of shifting between associative and analytic thinking. Thinking Skills and Creativity, 23, 17-28. doi: Download

Ratcliffe, E., Gatersleben, B., & Sowden, P. T. (2016). Associations with bird sounds: How do they relate to perceived restorative potential? Journal of Environmental Psychology, 47, 136-144. doi: 10.1016/j.jenvp.2016.05.009

Sowden, P.T., Eves, A., & Raats, M. (2016). A Feast of Creativity. Introduction to the Special Issue on Creativity and Food. Journal of Creative Behavior, 50, 169-170. DOI: 10.1002/jocb.151

Pringle, A., Sowden, P.T., Deeley, C., & Sharma, S. (2016). Shifting between modes of thought: a domain-general creative thinking skill? In F. K. Reisman (Ed.) Creativity in Arts, Science and Technology.

Sowden, P.T., Clements, L., Redlich, C., & Lewis, C. (2015). Improvisation facilitates divergent thinking and creativity: Realising a benefit of primary school arts education. Psychology of Aesthetics, Creativity and the Arts, 9, 128-138. doi:

Sowden, P. T., Pringle, A., & Gabora, L. (2015). The Shifting Sands of Creative Thinking: Connections to Dual Process Theory. Thinking & Reasoning, 21, 40-60. doi: 10.1080/13546783.2014.885464

Ratcliffe, E., Gatersleben, B., & Sowden, P. T. (2013). Bird sounds and their contributions to perceived attention restoration and stress recovery. Journal of Environmental Psychology, 36, 221-228.

Sowden, P. T. & Dawson, L. (2011). Creative feelings: The effect of mood on creative ideation and evaluation. ACM: Creativity and Cognition 2011, 393-394.


Publications in Perception, Learning and Training

Wimshurst, Z., Sowden, P.T., & Wright, M. (2016). Expert-Novice Differences in Brain Function of Field Hockey Players. Neuroscience, 315, 31-44. doi: 10.1016/j.neuroscience.2015.11.064

Casey, M.C. & Sowden, P.T. (2012). Modelling Learned Categorical Perception in Human Vision. Neural Networks, 33, 114-126. doi:

Sowden, P.T. (2012) Psychophysics, in H. Cooper, P. Camic, R. Gonzalez, D. Long, A. Panter and K. Sher (Ed's) APA Handbook of Research Methods in Psychology. American Psychological Association. Vol. 1, Chapt. 23.

Wimshurst, Z., Sowden, P.T. & Cardinale, M. (2012) Visual skills and playing positions of Olympic field hockey players. Perceptual and Motor Skills, 114, 204-216. doi: 10.2466/05.22.24.PMS.114.1.204-216

Jehoel, S., Sowden, P.T., Ungar, S. and Sterr, A. (2009) Tactile elevation perception in blind and sighted participants and its implications for tactile map creation. Human Factors, 51, 208-223.

Myers, A. and Sowden, P.T. (2008) Your hand or mine? The Extrastriate Body Area. NeuroImage, 42, 1669-1677.

Özgen, E., Payne, H.E., Sowden, P.T. and Schyns, P.G. (2006) Retinotopic sensitisation to spatial scale: evidence for flexible spatial frequency processing in scene perception. Vision Research, 46, 1108-1119.

Sowden, P.T. and Barrett, P. (2006) Psychophysiological Methods, in G.M. Breakwell, C. Fife-Schaw, S. Hammond and J. Smith (Ed's) Research Methods in Psychology 3E. Sage: London. pp. 146-159

Sowden, P.T. and Schyns, P.G. (2006) Channel surfing in the visual brain. Trends in Cognitive Sciences, 10, 538-545.

McCotter, M., Gosselin, F., Sowden, P.T. and Schyns, P.G. (2005) The use of visual information in natural scenes. Visual Cognition, 12, 938-953.

Notman, L., Sowden, P.T. and Özgen, E. (2005) The nature of learned categorical perception effects: a psychophysical approach. Cognition, 95, B1-B14.

Özgen, E., Sowden, P.T., Schyns, P. and Daoutis, C. (2005) Top-down attentional modulation of spatial frequency processing in scene perception. Visual Cognition, 12, 925-937.

Sowden, P.T., Özgen, E., Schyns, P. and Daoutis, C. (2003) Expectancy effects on spatial frequency processing. Vision Research, 43, 2759-2772.

Sowden, P.T., Rose, D. and Davies, I.R.L. (2002) Perceptual learning of luminance contrast detection: specific for spatial frequency and retinal location but not orientation. Vision Research, 42, 1249-1258.

Barrett, P and Sowden, P.T. (2000) Psychophysiological Methods, in G.M. Breakwell, S. Hammond and C. Fife-Schaw (Ed's) Research Methods in Psychology 2E. Sage: London. pp. 211-223.

Sowden, P.T., Davies, I.R.L. and Roling, P. (2000). Perceptual learning of the detection of features in X-ray images: a functional role for improvements in adults' visual sensitivity? Journal of Experimental Psychology: Human Perception and Performance, 26, 379-390.

Sowden, P.T. (1999). Expert perceivers and perceptual learning. Behavioral and Brain Sciences, 22, 396-397 (commentary).

Sowden, P.T. and Watt, S. J. (1998). A Jittered Squares illusion and a proposed mechanism. Perception, 27, 439-454.

Pauli, R. and Sowden, P.T. (1997). The role of feedback in learning screening mammography. Proceedings of The International Society for Optical Engineering, 3036, 205-211.

Roling, P., Sowden, P.T., Davies, I.R.L., Özgen, E. and Lawler, M. (1997). Perceptual learning in inspection tasks, in D. Harris (Ed.) Engineering Psychology and Cognitive Ergonomics Volume Two: Job Design and Product Design, Ashgate: Aldershot. pp. 121-128.

Sowden, P.T., Davies, I.R.L., Roling, P. and Watt, S.J. (1997). Acquiring skill at medical image inspection: learning localised in early visual processes. Proceedings of the International Society for Optical Engineering, 3036, 273-280.

Davies, I.R.L., Roling, P., Sowden, P., Hammond, S. and Chivers, R. (1996). Design of training schedules for medical image readers: the effects of variability and difficulty levels of the training stimuli. Proceedings of the International Society for Optical Engineering, 2712, 169-179.

Hammond, S., Davies, I.R.L., Sowden, P.T. and Davies, J. (1996). Statistical decision support in screening mammography. Proceedings of the International Society for Optical Engineering, 2712, 164-168.

Sowden, P.T., Davies, I.R.L., Lawler, M., Curry, B. and Hammond, S. (1996). Expertise at X-ray film reading: the role of attention, and identification training, in S.A. Robertson (Ed.) Contemporary Ergonomics 1996. Taylor and Francis: London. pp. 246-251.

Sowden, P.T., Davies, I.R.L., Rose, D and Kaye, M. (1996). Perceptual learning of stereoacuity. Perception, 25, 1043-1052.

Sowden, P.T., Pauli, R., Roling, P., Davies, I.R.L. and Hammond, S. (1996). Improvement in screening performance: the importance of appropriate feedback in screening mammography. Proceedings of the International Society for Optical Engineering, 2712, 180-188.

Sowden, P.T. and Davies, I.R.L. (1995). The nature of perceptual skills in screening mammography: Implications for training approaches. Proceedings of the International Society for Optical Engineering, 2436, 143-154.

Davies, I.R.L., Sowden, P.T., Hammond, S. and Ansell, J. (1994). Expertise at mammography: A perceptual or conceptual skill? Proceedings of the International Society for Optical Engineering, 2166, 86-94.

Sowden, P.T. and Stevenson, J. (1994). Beginning reading strategies in children experiencing contrasting teaching methods. Reading and Writing, 6, 109-123.


Publications in Colour Perception

Grandison, A., Sowden, P.T., Drivonikou, V.G., Notman, L.A., Alexander, I., & Davies, I.R.L. (2016). Chromatic Perceptual Learning but no Category Effects without Linguistic Input. Frontiers in Psychology: Perception Science.

Grandison, A., Davies, I.R.L., and Sowden, P.T. (2014). The Evolution of GRUE: Evidence for a new colour term in the language of the Himba. In W. Anderson, C. P. Biggam, C. Hough and C. Kay. Colour Studies: A broad spectrum. Amsterdam, NL: Benjamins, pp. 53-66.

Franklin, A. and Sowden, P.T. (2011) Colour and Autism Spectrum Disorders. In C. Bigham, C. Hough, D. Simmons and C. Kay (Ed's) New Directions in Colour Studies. Amsterdam, NL: Benjamins, pp. 281-292.

Sowden, P.T., Davies, I.R.L., Notman, L.A., Alexander, I. and Özgen, E. (2011) Chromatic Perceptual Learning. In C. Bigham, C. Hough, D. Simmons and C. Kay (Ed's) New Directions in Colour Studies. Amsterdam, NL:Benjamins, pp. 433-444.

Franklin, A., Sowden, P.T., Notman, L., West, D., Gonzales-Dixon, M., Alexander, I., Loveday, S., White, A. (2010) Reduced Chromatic Discrimination in Children with Autism Spectrum Disorders. Developmental Science, 13, 188-200.

Franklin, A., Sowden, P.T., Burley, R., Notman, L. and Alder, E. (2008) Color perception in children with autism. Journal of Autism and Developmental Disorders, 38, 1837-1847.

Davies, I.R.L., Sowden, P.T., Jerret, D.T., Jerret, T. and Corbett, G.G. (1998). A cross cultural study of English and Setswana speakers on a colour triads task: a test of the Sapir-Whorf hypothesis. British Journal of Psychology, 89, 1-15.

Rollinson, J. and Sowden, P.T. (1997). The effect of colour on the recall of computer presented information, in S.A. Robertson (Ed.) Contemporary Ergonomics 1997. Taylor and Francis: London. pp. 522-527.

Davies, I.R.L., Corbett, G.G., Mtnje, A. and Sowden, P.T. (1995). The basic colour terms of Chichewa. Lingua, 95, 259-278.

Davies, I.R.L., MacDermid, C., Corbett, G.C., McGurk, H.C., Jerret. D., Jerret, T. and Sowden, P.T. (1992). Colour terms in Setswana: A linguistic and perceptual approach. Linguistics, 30, 1065-1103.