Résumé

 Education

  • PhD (02/03/15 - 19/09/18), School of Psychology, UNSW Australia, Supervised by Professor Colin W.G. Clifford 

  • BA (09/10/10 - 30/06/13), Psychology, Philosophy, and Physiology, Lady Margaret Hall, University of Oxford, UK

Academic Positions 

  • Current: Postdoctoral Researcher
    Centre for cognitive neuroimaging, Institute of neuroscience and psychology, University of Glasgow, Scotland, UK
  • Postdoctoral Researcher (12/01/2018 - 12/01/2022)

    Laboratory of perceptual systems & Laboratory of cognitive and computational neuroscience, École Normale Supérieure, PSL University, Paris, France

  • Research Assistant (part time; 01/09/17 - 09/01/18) Prof Barbara Gillam, UNSW Australia 

  • Research Assistant (part time; 03/06/17 - 03/12/17) Prof Richard Kemp & Dr David White, UNSW Australia 

  • Research Assistant (part time; 01/07/15 - 30/11/15) Dr Tamara Watson, WSU Australia 

  • Research Assistant (part time; 01/08/14 - 28/02/15) Dr David Alais, University of Sydney 

  • Research/Technical Officer (part time; 01/05/14 - 30/06/15) Foundational processes of behaviour lab, WSU Australia

Awards

  • UNSW Postgraduate Research Exchange Scholarship 2017: travel and stipend for international research exchange of 3 - 6 months

  • Australian Postgraduate Award, 2015-2018: for study towards a PhD in Science

Teaching

  • Student co-supervision: Maëva l'Hôtellier (MA 2020), Erva Kandemir (MA 2021) 

  • Student mentoring: Ljubica Jovanovic (PhD 2018), Clémence Copain (MA 2019) and Aurelien Weiss (PhD 2019)

  • Tutor: Research Methods and Statistics, 2nd year undergraduate Psychology, 2016, 2017

  • Tutor: Perception and Cognition, 2nd year undergraduate Psychology, 2016

  • Demonstrator: Python Programming, 3rd year research internship course, 2016, 2017

  • Introduction to Programming: PsychSoc workshop for undergraduate psychology students, 2016, 2017

Other contributions

  • eLife Community Ambassador (incoming).

  • Equality and Diversity Committee, Departement d'Études Cognitives, ENS

  • Organiser: EEG club, LSP

  • Organiser: New Ideas in confidence and uncertainty workshop (Paris, 2021)

Summary of research contributions

Peer reviewed publications: 14; Total citations: 129; H-index: 7; Reviews: 31 (from Publons).

Publications

  • Rahnev, D., Balsdon, T., Charles, L., de Gardelle, V., Denison, R., Desender, K., ... & Zylberberg, A. (2022). Consensus goals for the field of visual metacognition. Perspectives on Psychological Science, in press 

  • Balsdon, T., Mamassian, M., & Wyart, V. (2021). Separable neural signatures of confidence during perceptual decisions. eLife, 10:e68491.  

  • Balsdon, T., Wyart, V.,* & Mamassian, P.* (2020). Confidence controls perceptual evidence accumulation. Nature Communications, 11, 1753.

  • Balsdon, T., & Clifford, C. W. G. (2018). Task dependent effects of head orientation on perceived gaze direction. Frontiers in Psychology, 9, 2491.

  • Balsdon, T., & Clifford, C. W. G. (2018). How wide is the cone of direct gaze? R. Soc. open sci. 5: 180249.

  • Balsdon, T., Schweitzer, R., Watson, T. L., & Rolfs, M. (2018). All is not lost: Post-saccadic contributions to the perceptual omission of intra-saccadic streaks. Consciousness and Cognition, 64, 19-31.

  • Balsdon, T., Summersby, S., Kemp, R. I., & White, D. (2018). Improving face identification with specialist teams. Cognitive Research: Principles and Implications, 3:25.

  • Balsdon, T., & Clifford, C. W. G. (2018). Visual processing: Conscious until proven otherwise. Royal Society Open Science, 5(1), 171783.

  • Balsdon, T., & Clifford, C. W. G. (2017). Detecting and identifying offset gaze. Attention, Perception and Psychophysics, 1-14.

  • Herzallah, M.M., Khdour, H. Y., Taha, A. B., Mashala, A., Mousa, H. N., Taha, M. B., Sehwail, M. M., Miskm A. J., Balsdon, T., Moustafa, A. A., Myers, C. E., Gluck, M. A. (2017). Major Depressive Disorder Selectively Impairs Learning from Positive Feedback on a Probabilistic Category-Learning Task in Medicated Parkinson's Patients. Frontiers in Psychiatry, 8.

  • Balsdon, T., & Clifford, C. W. G. (2017). A bias-minimising measure of the influence of head orientation on perceived gaze direction. Scientific Reports, 7.

  • Myers, C. E., Sheynin, J., Balsdon, T., Luzardo, A., Beck, K. D., Hogarth, L., ... & Moustafa, A. A. (2016). Probabilistic reward-and punishment-based learning in opioid addiction: Experimental and computational data. Behavioural brain research, 296, 240-248.

  • Balsdon, T., & Azzopardi, P. (2015). Absolute and relative blindsight. Consciousness and cognition, 32, 79-91.

  • Moustafa, A. A., Kéri, S., Somlai, Z., Balsdon, T., Frydecka, D., Misiak, B., & White, C. (2015). Drift diffusion model of reward and punishment learning in schizophrenia: Modeling and experimental data. Behavioural brain research, 291, 147-154. 

  • (General Public) Balsdon, T., Schweitzer, R., Watson, T. L., & Rolfs, M. (2019) Gaps In Perception: How We See A Stable World Through Moving Eyes. https://sciencetrends.com/gaps-in-perception-how-we-see-a-stable-world-through-moving-eyes/

Pre-registrations (Released from embargo)

  • Balsdon, T., Mamassian, P., & Wyart, V. Neural correlates of Type-I and Type-II decision-making. https://osf.io/346pe/

  • Balsdon, T., Wyart, V., Mamassian, P. The accumulation of evidence for decision-making and confidence. https://osf.io/gy2t3/.

  • Balsdon, T., Schweitzer, R., Watson, T. L., & Rolfs, M. Intrasaccadic Motion streak Perception. https://osf.io/h56uj/

Software/code

  • Pupil labs matlab/python experiment code: https://github.com/tbalsdon 

  • Data and code for Balsdon et al., 2020: osf.io/gy2t3/

  • Data and code for Balsdon et al., 2021: osf.io/346pe/

Reviewer

  • Journal of Vision (3) 

  • Perception (5) 

  • Neuropsychologia (1) 

  • Psychological Science (1) 

  • JEP:HPP (2) 

  • PLOS ONE (2)

  • Proc Roy Soc B (1)

  • eLife (2)

  • NeuroImage (3)

  • Mind and Language (2)

  • Frontiers in Neuroscience (2)

  • Frontiers in Psychology (1)

  • Neuroscience of consciousness (2)

  • Scientific Reports (3)

  • Attention, Perception and Psychophysics (1)

Conference Presentations

  • Balsdon, T., Mamassian, P., & Wyart, V. Delineating the relationship between perceptual decisions and confidence. University of Essex,Essex, UK, October 2021 (Invited Speaker)

  • Balsdon, T., Mamassian, P., & Wyart, V. The relationship between perceptual decisions and confidence. Pisa Vision Lab, Pisa, Italy, September 2021 (Invited Speaker)

  • Balsdon, T., Mamassian, P., & Wyart, V. Separable neural signatures of confidence during perceptual decision-making. Kelly Lab, Trinity College, Dublin, Ireland, May 2021 (Invited Speaker)

  • Balsdon, T., Wyart, V., & Mamassian, P. The accumulation of evidence for perception and confidence. Vision group, INCC, University of Paris, Paris, France, November 2020 (Invited Speaker)

  • Balsdon, T., Wyart, V., & Mamassian, P. Metacognitive control of sensory evidence accumulation. Advanced Telecommunications Research Institute, Nara, Japan, July 2019 (Invited Speaker)
  • Balsdon, T., Mamassian, P., Wyart,V. Neural signatures of confidence after the completion of a perceptual decision. Vision Sciences Society, online, May 2021 (Oral)

  • Balsdon, T., Wyart, V., & Mamassian, P. A reverse heirarchy for perceptual confidence? ECVP, Belgium, August 2019 (Poster)

  • Balsdon, T., Wyart, V., & Mamassian, P. Metacognitive control of sensory evidence accumulation. In: Being Adaptive: The Role of Metacognition in Learning and Guiding Behavior. Japanese Neuroscience society, Niigata, Japan, July 2019 (Symposium Invited Speaker)

  • Balsdon, T., Mamassian, P., Wyart, V. Dissociable pupillary correlates of decision confidence and decision bound-crossing.SBDM, Oxford, UK, May 2019 (Poster)

  • Balsdon, T., Wyart, V., & Mamassian, P. Graded, multidimensional representations of sensory evidence allow for dissociable performance in second-choice and confidence judgments. Vision Sciences Society, Florida, USA, May 2019 (Oral)

  • Balsdon, T., Mamassian, P., Wyart,V. The accumulation of sensory evidence for decisions and confidence. CoSyNe, Lisbon, Portugal, February 2019 (Poster)

  • Balsdon, T., Wyart, V., & Mamassian, P. The relationship between metacognition and second choice judgments. GDR vision, Paris, France, October 2018 (Oral)

  • Balsdon, T., Wyart, V., & Mamassian, P. Metacognitive control of sensory evidence accumulation. European Conference of Visual Perception, Trieste, Italy, August 2018 (Oral)

  • Balsdon, T. & Clifford, C.W.G. Task dependent effects of head orientation on perceived gaze direction. European Conference of Visual Perception, Berlin, Germany, August 2017 (Poster)

  • Balsdon, T. & Clifford, C.W.G. A strict criterion for consciousness: conscious until proven otherwise. Association for the Scientific Study of Consciousness, 21st meeting, Beijing, China, June 2017 (Oral)

  • Balsdon, T. & Clifford, C.W.G. Task dependent effects of head orientation on perceived gaze direction. Australasian Experimental Psychology Conference, NSW, Australia, April 2017 (Oral)

  • Balsdon, T. & Clifford, C.W.G. Visual processing: conscious until proven otherwise. Australasian Cognitive Neuroscience Society Conference, NSW, Australia, November 2016 (Oral)

  • Balsdon, T. & Clifford, C.W.G. Visual processing: conscious until proven otherwise. Sydney Postgraduate Psychology Conference, Sydney, Australia, December 2016 (Oral)

  • Balsdon, T. & Clifford, C.W.G. A Bias-free measure of the influence of head orientation on perceived gaze direction. Australasian Society for Social and Affective Neuroscience, Sydney, Australia, June 2016 (Poster)

  • Balsdon, T. & Clifford, C.W.G. Detecting and identifying offset gaze. Sensory Neuroscience Symposium, Sydney, Australia, May 2015 (Oral)

  • Balsdon, T. & Clifford, C.W.G. Differences in detection and identification of gaze direction Australasian Experimental Psychology Conference, Melbourne, Australia, April 2016 (Oral)

  • Recht, S., Jovanovic, L., Balsdon, T., Mamassian, P. Meta-meta-meta perception. ECVP, Belgium, August 2019 (Contributer, poster)

  • Schweitzer, R., Watson, T., Balsdon, T., Rolfs, M. Formation of world-centered perception of intra-saccadic motion streaks. European Conference on Eye Movements, Alicante, Spain, August 2019 (Contributer, poster)

  • Schweitzer, R., Watson, T., Balsdon, T., Rolfs, M. From retinal to world-centred perception of intra-saccadic motion streaks: Evidence for high fidelity eye position information during saccades. Vision Science Society, Florida, USA, May 2018 (Contributer, poster)

  • Watson, T., Balsdon, T., Carlson, T, & Williams, M. Transfer of object information between the periphery and fovea; an MEG study. European Conference of Visual Perception, Berlin, Germany, August 2017 (Contributer, oral)

  • Cass, J. & Balsdon, T. Effect of audio-visual source misalignment on auditory timing performance. Australasian Experimental Psychology Conference, Melbourne, Australia, April 2016 (Contributer, oral)

  • Cass, J., van der Burg, E., & Balsdon, T. Effect of audio-visual source misalignment on timing performance. European Conference on Visual Perception, Barcelona, Spain, August 2016 (Contributer, poster)

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