Publications

JOURNAL ARTICLES

  1. Jennings, B. J., Schmidtmann, G., Wehbé, F., Kingdom, F. A. A., & Farivar, R. (2019), Detection of distortions in images of natural scenes in mild traumatic brain injury patients. Vision Research, 161, 12-17 [PDF] [PubMed]

  2. Schmidtmann, G., Kingdom, F. A. A., & Loffler, G. (2019). The processing of compound radial frequency patterns. Vision Research161, 63–74. [PDF] [PubMed]

  3. Schmidtmann, G., & Fruend, I. (2019), Radial frequency patterns describe a small and perceptually distinct subset of all possible planar shapes. Vision Research, 154, 122–130.  [PDF] [PubMed]

  4. Schmidtmann, G., Ruiz, T., Reynaud, A., Spiegel, D.P., Lague-Beauvais, M., Hess, R.F., Farivar, R. (2017). Sensitivity to binocular disparity is reduced by mild traumatic brain injury. Investigative Ophthalmology & Visual Science, 58(5), 2630-2635. [PDF] [PubMed]

  5. Schmidtmann, G. & Kingdom, F. A. A., (2017), Nothing more than a pair of curvatures: A common mechanism for the detection of both radial and non-radial frequency patterns. Vision Research, 134, 18–25. [PDF] [PubMed]

  6. Baldwin, A. S., Schmidtmann, G., Kingdom, F. A. A., & Hess, R. F. (2016), Rejecting probability summation for radial frequency patterns, not so Quick! Vision Research, 122, 124–134. [PDF] [PubMed]

  7. Schmidtmann, G., Ouhnana, M., Loffler, G., Kingdom, F.A.A. (2016), Imagining circles - empirical data and a perceptual model for the Arc-size Illusion, Vision Research, 121, 50-56. [PDF] [PubMed]

  8. Schmidtmann, G., Jennings, B. J., & Kingdom, F. A. A. (2015), Shape recognition: convexities, concavities and things in between. Scientific Reports, 5, 17142. http://doi.org/10.1038/srep17142 [PDF] [PubMed]

  9. Schmidtmann, G., Logan, A.J., Kennedy, G.J., Gordon, G.E. Loffler, G. (2015), Distinct lower visual field preference for object shape. Journal of Vision 15(5):18, 1–15. [PDF] [PubMed]

  10. Schmidtmann, G., Jennings, B. J., Bell, J., & Kingdom, F. A. A. (2015), Probability, not linear summation, mediates the detection of concentric orientation-defined textures. Journal of Vision, 15(16):6, 1–19. [PDF] [PubMed]

  11. Kingdom, F. A. A., Baldwin, A.S., Schmidtmann, G. (2015), Modeling probability and additive summation for detection across multiple mechanisms under the assumptions of signal detection theory. Journal of Vision, Vol.15(5):1, 1-16. [PDF] [PubMed]

  12. Schmidtmann, G., Gordon, G.E., Bennett, D.M., Loffler, G. (2013), Detecting shapes in noise: tuning characteristics of global shape mechanisms, Frontiers in Computational Neuroscience, 7, 37 , 1-14. [PDF] [PubMed]

  13. Schmidtmann, G., Kennedy, G.J., Orbach, H.S., Loffler, G. (2012), Non-linear global pooling in the discrimination of circular and non-circular shapes. Vision Research, 62C, 44-56. [PDF] [PubMed]

  14. Schmidtmann, G., Jahnke, S., Seidel, E.J., Sickenberger, W., Grein, H.J. (2011), Intraocular pressure fluctuations in professional brass and woodwind musicians during common playing conditions. Graefes Arch Clin Exp Ophthalmol, 249 (6), 895-901. [PDF] [PubMed] [SUNDAY TIMES] [BBC Radio Interview]

PREPRINTS

  1. Schmidtmann, G., Jordan, M., Loong, J.T., Logan, A.J., Carbon, C.C., & Gold, I. (2019). Temporal processing of facial expressions of mental states. BioRxiv 602375; doi: https://doi.org/10.1101/602375 [PDF]

  2. Schmidtmann, G., Jennings, B. J., Sandra, D. A., Pollock, J., & Gold, I. (2019). The McGill Face Database: validation and insights into the recognition of facial expressions of complex mental states. BioRxiv, 586453. https://doi.org/10.1101/586453 [PDF]

CONFERENCE ABSTRACTS 

  1. Zobulak, A.B., Schmidtmann, G., Garcia-Suarez, L. (2019). Scale-Invariance for Radial Frequency Patterns in Peripheral Vision. Perception, 48, 131-131. [POSTER]

  2. Schmidtmann, G., Gold, I. (2018). The McGill Face Database: A Novel Database of Facial Expressions of Mental States. I-Perception, 9, 1. [Abstract] [POSTER]

  3. Schmidtmann, G., Wehbé, F., Sandra, D.A., Farivar, R., (2017). The influence of face identity noise on face recognition in healthy subjects and patients with mild traumatic brain injury - an equivalent noise approach. ECVP 2017 [POSTER]

  4. Schmidtmann, G., Desjardins, A., Kingdom, F.A.A., (2017). RF shape channels: The processing of compound Radial Frequency patterns. Journal of Vision, 17(10), 1255- 1255. [POSTER]

  5. Schmidtmann, G., Ruiz, T., Reynaud, A., Spiegel, D., Laguë-Beauvais, M., Hess, R.F., Farivar, R. (2017). Sensitivity to binocular disparity is reduced by mild traumatic brain injury." Investigative Ophthalmology & Visual Science, 58(8), 5421. [POSTER}

  6. Schmidtmann, G., Sleiman, D., Pollack, J., Gold, I. (2016). Reading the Mind in the Blink of an Eye-A novel database for facial expressions. Perception, 45, 238-239. [POSTER]

  7. Schmidtmann, G., Kingdom, F.A.A. (2016). Nothing more than a curve: a common mechanism for the detection of radial and non-radial frequency patterns?. Journal of Vision, 16(12), 416-416. [POSTER]

  8. Schmidtmann, G., Kingdom, F.A.A., Loffler, G. (2015). The Processing of compound radial frequency patterns. Perception 45, 687-710 [POSTER]

  9. Schmidtmann, G., Ouhnana, M., Kingdom, F.A.A. (2015). Imagining Circles: A perceptual model for the Arc-Size Illusion. Perception,44, 248-248. [ABSTRACT] [POSTER]

  10. Schmidtmann, G., Jennings, B.J., Kingdom, F.A.A. ”Shape recognition: convexities, concavities and things in between.” VSS 2015, Journal of Vision, 15(12), 242, 2015. [POSTER]

  11. Baldwin, A.S., Schmidtmann, G., Kingdom, F.A.A. (2015). Rejecting probability summation for RF patterns, not so Quick!. Journal of Vision, 15(12), 1031-1031.

  12. Kingdom, F.A.A., Baldwin, A.S., Schmidtmann, G. (2015). Modelling probability summation for the detection of multiple stimuli under the assumptions of signal detection theory. Journal of Vision, 15(12), 473-473.

  13. Jennings, B.J., Schmidtmann, G., Kingdom, F.A.A. (2015). Shape recognition: the predominate role of convexities. Perception, 44(4), pp. 459-459. [POSTER]

  14. Schmidtmann, G., Jennings, B.J., Guimond, S., Kingdom, F.A.A. (2014). Shape recognition: convexities, concavities and things in between. Journal of Vision, 14(15), 50-50. [POSTER]

  15. Schmidtmann, G., Jennings, B.J., Kingdom, F.A.A. (2014). Spatial integration of orientation- defined texture. Journal of Vision, 14(10), 1427-1427.[POSTER]

  16. Schmidtmann, G., Kingdom, F.A.A. ”Imagining Circles.(2014). Imagining circles. Perception, 43(10), 1127-1127. [POSTER]

  17. Schmidtmann, G., Kennedy, G.J., Orbach, H.S., Loffler, G., (2013). Processing of compound radial frequency patterns., CVR Conference, York University, Toronto, Canada, 2013. [POSTER]

  18. Schmidtmann, G., Kennedy, G.J., Orbach, H.S., Loffler, G. 2013). The role of the type of local contour in global shape discrimination. VSS 2013, Journal of Vision, 13(9), 1001. [POSTER]

  19. Schmidtmann, G., Kennedy, G.J., Orbach, H.S., Loffler, G. (2012). Inferior superiority: shape discrimination is best in the lower visual field. ECVP 2012, Perception, 41, 217-218.

  20. Schmidtmann, G., Kennedy, G.J., Orbach, H.S., Loffler, G. (2011). Sampling shape space: discrimination of morphed radial frequency patterns. Perception ECVP abstract, 40, 209-209.

  21. Schmidtmann, G., Kennedy, G.J., Orbach, H.S., Loffler, G. (2011). Local curvature detectors and global shape processing. AVA Christmas Meeting 2010Perception, 40, 118, 2011.

  22. Schmidtmann, G., Kennedy, G.J., Orbach, H.S., Loffler, G. (2010, January). Nonlinear global summation in the perception of non-circular contours. Perception, 39(2), 270-270.

  23. Schmidtmann, G., Kennedy, G.J., Orbach, H.S., Loffler, G. (2009). Global pooling in shape perception. Perception ECVP abstract, 38, 75-75.

TALKS

  1. Schmidtmann, G., “From basic shape perception to clinical applications and translational vision research”, VISTA Visiting Scholar talk, York University, Toronto, Canada, 2019

  2. Schmidtmann, G., “Visual search reveals that radial frequency patterns only represent a small and perceptually distinct subset of all planar shapes.“, Department of Vision Sciences, Glasgow Caledonian University, UK, 2019

  3. Schmidtmann, G., “Reading the mind in the blink of an eye: temporal processing of facial expressions of complex mental states“, Department of Psychology, University of Stirling, UK, 2019 (invited talk)

  4. Schmidtmann, G., "Reduced disparity sensitivity in patients with mild traumatic brain injury", BCOVS, Plymouth, 2017

  5. Schmidtmann, G., ”A novel database of facial expressions of mental states: The McGill Face Database .” Emotion & Social Cognition Lab, Caltech, Pasadena, California, USA, 2017 (invited talk)

  6. Schmidtmann, G., "Shapes and curves". Psychology Department, UCLA, Los Angeles, California, USA, 2017

  7. Schmidtmann, G., "Shapes recognition: convexities, concavities and things in between", School of Optometry and Vision Science, University of Bradford, UK

  8. Schmidtmann, G., "Shapes and curves". Vision and Cognitive Neuroscience Lab, McMaster University, Hamilton, Ontario, Canada, 2015 (invited talk)

  9. Schmidtmann, G., Jennings, B.J., Kingdom F.A.A., "Shape recognition: convexities, concavities and things in between" - 20th Annual Meeting / FRQS Vision Health Research Network, Montreal, 2014

  10. Schmidtmann, G., Jennings, B.J., Bell, J., Kingdom, F.A.A., "Probability summation, not linear summation mediates orientation-defined texture detection", McGill Ophthalmology Research Day, 2014 / McGill University / Montreal / 2014

  11. Schmidtmann, G., Kennedy, G.J., Loffler, G., "Inferior superiority: shape discrimination is best in the lower visual field", 19th Annual Meeting / FRQS Vision Health Research Network, Montreal, 2013

  12. Schmidtmann, G., "Glaucoma and intraocular pressure - an update", WVAO Annual Meeting / Düsseldorf / 2012 (invited talk)

  13. Schmidtmann, G., Grein, H.J., Seidel, E.J., "Effect on intraocular pressure and blood pressure when playing woodwind instruments", International Congress on Music physiology and Musicians' Medicine / 3rd Freiburger Symposium, Association for Music Physiology and Musicians' Medicine (DGfMM) / 2009 (invited talk)

Other Publications

  1. Jahnke, S, Schmidtmann, G., Grein, H.J., Seidel, E.J., Sickenberger, W. (2011), Dynamik des Augeninnendrucks bei professionellen Holz- und Blechbläsern während alltäglicher Spielsituationen. Musiker Medizin und Physiologie, 3, 70-78 [PDF]

PhD Thesis

Schmidtmann, G., Detection and discrimination of contour segments and shapes. 2013, Glasgow Caledonian University, [British Library EThOS]