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Dr. Jan L. Souman

Room number:	2.B.02
Phone:	+49-7071-601643
E-Mail:	jan.souman

Jan L. Souman

Position: Research Scientist Unit: Alumni Bülthoff Alumni Ernst

Publications

Articles (12):
•	Neth CT , Souman JL , Engel D , Kloos U , Bülthoff HH and Mohler BJ (July-2012) Velocity-Dependent Dynamic Curvature Gain for Redirected Walking IEEE Transactions on Visualization and Computer Graphics 18(7) 1041-1052.
•	Souman JL , Robuffo Giordano P , Schwaiger M , Frissen I , Thümmel T , Ulbrich H , De Luca A , Bülthoff HH and Ernst M (November-2011) CyberWalk: Enabling unconstrained omnidirectional walking through virtual environments ACM Transactions on Applied Perception 8(4:25) 1-22.
•	Frissen I , Campos JL , Souman JL and Ernst MO (July-2011) Integration of vestibular and proprioceptive signals for spatial updating Experimental Brain Research 212(2) 163-176.
•	Souman JL , Freeman TCA , Eikmeier V and Ernst MO (September-2010) Humans do not have direct access to retinal flow during walking Journal of Vision 10(11:14) 1-12.
•	Souman JL , Robuffo Giordano P , Frissen I , Luca AD and Ernst MO (February-2010) Making virtual walking real: perceptual evaluation of a new treadmill control algorithm Transactions on Applied Perception 7(2:11) 1-14.
•	Souman JL , Frissen I , Sreenivasa MN and Ernst MO (September-2009) Walking Straight into Circles Current Biology 19(18) 1538-1542.
•	Souman JL and Freeman TCA (November-2008) Motion perception during sinusoidal smooth pursuit eye movements: signal latencies and non-linearities Journal of Vision 8(14:10) 1-14.
•	Sreenivasa MN , Frissen I , Souman JL and Ernst MO (October-2008) Walking along curved paths of different angles: the relationship between head and trunk turning Experimental Brain Research 191(3) 313-320.
•	Souman JL , Hooge ITC and Wertheim AH (June-2006) Localization and motion perception during smooth pursuit eye movements Experimental Brain Research 171(4) 448-458.
•	Souman JL , Hooge ITC and Wertheim AH (February-2006) Frame of reference transformations in motion perception during smooth pursuit eye movements. Journal of Computational Neuroscience 20(1) 61-76.
•	Souman J , Hooge I and Wertheim A (2005) Perceived motion direction during smooth pursuit eye movements Experimental Brain Research 164 376-386.
•	Souman JL , Hooge ITC and Wertheim AH (2005) Vertical object motion during horizontal ocular pursuit: compensation for eye movements increases with presentation duration Vision Research 45(7) 845-853.
Conference papers (1):
•	Neth C , Souman JL , Engel D , Kloos U , Bülthoff HH and Mohler BJ (March-2011) Velocity-Dependent Dynamic Curvature Gain for Redirected Walking IEEE Virtual Reality Conference (VR 2011), IEEE, Piscataway, NJ, USA, 151-158.
Technical reports (1):
•	Souman J : 2D motion perception during smooth pursuit eye movements, TNO Human Factors, Soesterberg, the Netherlands, (2004).
Posters (21):
•	Chuang LL and Souman JL (September-2011): Object speed estimation during walking does not add up, Bernstein Cluster D Symposium: Multisensory Perception and Action, Tübingen, Germany.
•	Chuang L , Bülthoff HH and Souman J (September-2011): The center-surround effect in visual speed estimation during walking, 34th European Conference on Visual Perception, Toulouse, France, Perception, 40(ECVP Abstract Supplement) 129.
•	Neth CT , Souman JL , Engel D , Kloos U , Bülthoff HH and Mohler BJ (October-2010): Velocity-dependent curvature gain and avatar use for Redirected Walking, 2010 Joint Virtual Reality Conference of EuroVR - EGVE - VEC (JVRC 2010), Stuttgart, Germany.
•	Neth C , Souman JL , Bülthoff HH , Kloos U and Mohler BJ (August-2010): The effect of walking speed on the sensitivity to curved walking in an immersive Virtual Environment, 33rd European Conference on Visual Perception, Lausanne, Switzerland, Perception, 39(ECVP Abstract Supplement) 96.
•	Meilinger T , Souman JL and Bülthoff HH (March-2010): Asymmetrien und die Konstruktion von Überblickswissen, 52. Tagung Experimentell Arbeitender Psychologen (TeaP 2010), Saarbrücken, Germany, Experimentelle Psychologie, 52 16.
•	Souman JL , Eikmeier V , Ernst MO and Freeman TCA (July-2009): Walking changes perceived visual speed of both expanding and contracting optic flow fields, 10 International Multisensory Research Forum (IMRF 2009), 10 288.
•	Souman JL , Frissen I , Sreenivasa MN and Ernst MO (August-2008): Walking in circles: the role of visual information in navigation, 31st European Conference on Visual Perception, Utrecht, Netherlands, Perception, 37(ECVP Abstract Supplement) 41.
•	Frissen I , Souman JL and Ernst MO (July-2008): Multisensory integration of non-visual sensory information for the perceptual estimation of walking speed, 9th International Multisensory Research Forum (IMRF 2008), Hamburg, Germany.
•	Souman JL , Frissen I and Ernst MO (June-2008): The effect of walking on perceived visual speed depends on visual speed, 8th Annual Meeting of the Vision Sciences Society (VSS 2008), Naples, FL, USA, Journal of Vision, 8(6) 1146.
•	Souman JL , Frissen I and Ernst MO (October-2007): Perceived visual speed while walking: more than subtraction, ESF-EMBO Symposium on Three Dimensional Sensory and Motor Space: Perceptual Consequences of Motor Action, Sant Feliu de Guixols, Spain.
•	Souman JL , Frissen I and Ernst MO (August-2007): Perceived visual speed while walking: Adding to subtraction, 30th European Conference on Visual Perception, Arezzo, Italy, Perception, 36(ECVP Abstract Supplement) 169.
•	Frissen I and Souman JL (July-2007): Contribution of Vestibular Information to Perceived Walking Speed, 10th Tübinger Wahrnehmungskonferenz (TWK 2007), Tübingen, Germany.
•	Sreenivasa M , Frissen I , Souman JL and Ernst MO (July-2007): Head-Trunk Relation Before and During a Turn: the Effect of Turn Angle, 10th Tübinger Wahrnehmungskonferenz (TWK 2007), Tübingen, Germany.
•	Souman JL , Frissen I and Ernst MO (July-2007): Perceived Visual Speed while Walking: More than Subtraction, 10th Tübinger Wahrnehmungskonferenz (TWK 2007), Tübingen, Germany.
•	Frissen I , Souman JL and Ernst MO (June-2006): Aftereffects of prolonged locomotion on a circular treadmill, 7th International Multisensory Research Forum (IMRF 2006), Dublin, Ireland.
•	Souman JL and Freeman TCA (June-2006): Phase lags and gain ratios in motion perception during smooth pursuit eye movements, 6th Annual Meeting of the Vision Sciences Society (VSS 2006), Sarasota, FL, USA, Journal of Vision, 6(6) 77.
•	Souman JL and Freeman TCA (March-2006): Phase Lags and Gain Ratios in Motion Perception During Smooth Pursuit Eye Movements, 9th Tübingen Perception Conference (TWK 2006), Tübingen, Germany.
•	Souman JL and Freeman TCA (September-2005): Signal latencies in motion perception during sinusoidal smooth pursuit, Fifth Annual Meeting of the Vision Sciences Society (VSS 2005), Sarasota, FL, USA, Journal of Vision, 5(8) 135.
•	Souman J , Hooge I and Wertheim A (2004): How smooth pursuit eye movements affect the perceived direction and speed of moving objects., Perception, 33(Supplement) 3.
•	Souman JL , Wertheim AH and Hooge ITC (October-2003): Motion perception and localization during smooth pursuit eye movements, Third Annual Meeting of the Vision Sciences Society (VSS 2003), Sarasota, FL, USA, Journal of Vision, 3(9) 540.
•	Souman J and Wertheim A (September-2003): Compensation for eye movements is partial in perception of both collinear and non-collinear object motion during smooth pursuit, 26th European Conference on Visual Perception, Paris, France, Perception, 32(ECVP Abstract Supplement) 22.
Talks (7):
•	Robuffo Giordano P , Souman JL , Mattone R , Luca AD , Ernst MO and Bülthoff HH (October-24-2008) Abstract Talk: The CyberWalk Platform: Human-Machine Interaction Enabling Unconstrained Walking through VR, First Workshop for Young Researchers on Human-friendly robotics, Napoli, Italy(12).
•	Ernst M and Souman JL (July-22-2008) Abstract Talk: Multisensory perception during locomotion, XXIX. International Congress of Psychology (ICP 2008), Berlin, Germany, International Journal of Psychology, 43(3-4) 182.
•	Souman JL (July-18-2008) Invited Lecture: Natürlich gehen durch virtuelle Welten, DVS Kommission Sport und Raum, München, Germany.
•	Souman JL (June-11-2008) Invited Lecture: Perceived visual speed while walking: adding to subtraction, University of California Berkeley, Berkeley, USA.
•	Souman JL (January-19-2008) Invited Lecture: Motion perception during sinusoidal pursuit, Nijmegen Institute for Cognition and Information, Nijmegen, the Netherlands.
•	Souman JL (January-15-2008) Invited Lecture: Making virtual walking real: the CyberWalk project, TNO Human Factors, Soesterberg, the Netherlands.
•	Souman JL (January-15-2008) Invited Lecture: Walking in circles in the desert?, Utrecht University, Psychonomics, Utrecht, the Netherlands.