Dr Gunnar Schmidtmann

Dr Gunnar Schmidtmann

Lecturer in Optometry

School of Health Professions (Faculty of Health)

Lecturer in Optometry

First Year Tutor
Member of the university senate


2019: Fellow of the higher education association (FHEA)
2016 - 2017: Postdoctoral Research Fellow (The Research Institute of the McGill University Health Centre, McGill University, Canada)
2013 - 2016: Postdoctoral Research Fellow (McGill Vision Research, Department of Ophthalmology, McGill University, Canada)
2008 - 2013: PhD Vision Science (Glasgow Caledonian University, UK)
2005 - 2008: BSc Optometry (University of Applied Sciences, Lübeck, Germany)

Professional membership

Applied Vision Society (AVA)

Roles on external bodies

Co-opted member of the Applied Vision Association (AVA)

Teaching interests

2017-present: Visual Perception (module lead)
2017-present: Optics 
2017-2018: Clinical Optometry Skills

Research interests

Grants & contracts

Co-grantholder with Ian Gold (PI) and Elevate Solomonova on SSHRC (Social Sciences and Humanities Research Council, Canada) Insight Grant #435-2017-1215 (McGill University, Montreal, Canada)

Key publications

Key publications are highlighted

Schmidtmann G, Jennings BJ, Sandra DA, Pollock J & Gold I 2020 'The McGill Face Database: Validation and Insights Into the Recognition of Facial Expressions of Complex Mental States' Perception 49, (3) 310-329 , DOI PEARL
Schmidtmann G, Kingdom FAA & Loffler G 2019 'The processing of compound radial frequency patterns' Vision Research 161, 63-74 , DOI PEARL
Jennings BJ, Schmidtmann G, Wehbé F, Kingdom FAA & Farivar R 2019 'Detection of distortions in images of natural scenes in mild traumatic brain injury patients' Vision Research 161, 12-17 , DOI PEARL
Schmidtmann G & Fruend I 2018 'Radial frequency patterns describe a small and perceptually distinct subset of all possible planar shapes' Vision Research , DOI PEARL
Schmidtmann G, Ruiz T, Reynaud A, Spiegel DP, Laguë-Beauvais M, Hess RF & Farivar R 2017 'Sensitivity to Binocular Disparity is Reduced by Mild Traumatic Brain Injury' Investigative Opthalmology & Visual Science 58, (5) 2630-2630 , DOI PEARL
Schmidtmann G & Kingdom FAA 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 , DOI PEARL
Schmidtmann G 2017 'Sensitivity to Binocular Disparity is Reduced by Mild Traumatic Brain Injury' Investigative Ophthalmology & Visual Science , DOI PEARL
Baldwin AS, Schmidtmann G, Kingdom FAA & Hess RF 2016 'Rejecting probability summation for radial frequency patterns, not so Quick!' Vision Research 122, 124-134 , DOI PEARL
Schmidtmann G, Ouhnana M, Loffler G & Kingdom FAA 2016 'Imagining circles – Empirical data and a perceptual model for the arc-size illusion' Vision Research 121, 50-56 , DOI PEARL
Schmidtmann G, Jennings BJ, Bell J & Kingdom FAA 2015 'Probability, not linear summation, mediates the detection of concentric orientation-defined textures' Journal of Vision 15, (16) 6-6 , DOI PEARL
Schmidtmann G, Jennings BJ & Kingdom FAA 2015 'Shape recognition: convexities, concavities and things in between' Scientific Reports 5, (1) , DOI PEARL
Schmidtmann G, Logan AJ, Kennedy GJ, Gordon GE & Loffler G 2015 'Distinct lower visual field preference for object shape' Journal of Vision 15, (5) 18-18 , DOI PEARL
Kingdom FAA, Baldwin AS & Schmidtmann G 2015 'Modeling probability and additive summation for detection across multiple mechanisms under the assumptions of signal detection theory' Journal of Vision 15, (5) 1-1 , DOI PEARL
Schmidtmann G, Gordon GE, Bennett DM & Loffler G 2013 'Detecting shapes in noise: tuning characteristics of global shape mechanisms' Frontiers in Computational Neuroscience 7, , DOI PEARL
Schmidtmann G, Kennedy GJ, Orbach HS & Loffler G 2012 'Non-linear global pooling in the discrimination of circular and non-circular shapes' Vision Research 62, 44-56 , DOI PEARL
Schmidtmann G, Jahnke S, Seidel EJ, Sickenberger W & Grein H-J 2011 'Intraocular pressure fluctuations in professional brass and woodwind musicians during common playing conditions' Graefe's Archive for Clinical and Experimental Ophthalmology 249, (6) 895-901 , DOI PEARL
Schmidtmann G 2020 Clinical Vision Science. Springer International Publishing , DOI
Conference Papers
Schmidtmann G, Ouhnana M & Kingdom F 2015 'Imagining Circles: A perceptual model for the Arc-Size Illusion' 248-248
Jennings BJ, Schmidtmann G & Kingdom FAA 2015 'Shape recognition: The predominate role of convexities' 459-459
Schmidtmann G & Kingdom FAA 2014 'Imagining circles' 1127-1127
Schmidtmann G, Kennedy GJ, Orbach HS & Loffler G 2012 'Inferior superiority: shape discrimination is better in the lower compared to the upper visual field' 217-218
Schmidtmann G, Kennedy G, Orbach H & Loffler G 2011 'Local curvature detectors and global shape processing' 118-118
Schmidtmann G, Orbach HS, Kennedy GJ & Loffler G 2011 'Sampling shape space: discrimination of morphed radial frequency patterns' 209-209
Schmidtmann G, Kennedy G, Orbach H & Loffler G 2010 'Nonlinear global summation in the perception of non-circular contours' 270-270
Schmidtmann G, Kennedy G, Orbach HS & Loffler G 2009 'Global pooling in shape perception' 75-75
Schmidtmann G, Sleiman D, Pollack J & Gold I Schmidtmann G, Sleiman D, Pollack J & Gold I 0 'Reading the Mind in the Blink of an Eye - A novel database for facial expressions' Author Site PEARL
Zolubak A, Schmidtmann G & Suarez LG Zolubak A, Schmidtmann G & Suarez LG 0 'Scale-Invariance for Radial Frequency Patterns in Peripheral Vision' Author Site PEARL
Schmidtmann G & Zawadyl M Schmidtmann G & Zawadyl M 0 'Summation Within and Across Shapes in Central and Peripheral Vision' Author Site PEARL
Schmidtmann G & Gold I Schmidtmann G & Gold I 0 'The McGill Face Database: A Novel Database of Facial Expressions of Mental States' Author Site PEARL

Other academic activities

Reviewer for the following journals:

  • Journal of Vision
  • Investigative Ophthalmology & Visual Sciences (IOVS)
  • Vision Research
  • Experimental Psychology
  • Perception
  • I-Perception
  • Psychophysiology
  • Psychological Research