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Artikelaktionen

Dr. Alexander Goettker

Research Interests


  • Saccadic and pursuit eye movements
  • Integration of retinal and extra-retinal information
  • Control of arm and eye movements

 

Education


since 08/2020

Post-Doctoral Researcher in the SFB Cardinal Mechanisms of Perception,

Project: "Prediction of position and motion during saccadic and smooth pursuit eye movements"

 

09/2016

-

08/2020

Ph.D. in Psychology (Dr. rer. nat.) at Justus Liebig University Giessen, Germany.

Thesis: "A change of perspective: Studying the interaction of saccadic and pursuit eye movements for oculomotor control and perception" (Supervisor Prof. Karl R. Gegenfurtner)

Enrolled in the SFB Cardinal Mechanisms of Perception, Project "Prediction of position and motion during saccadic and smooth pursuit eye movements"

 Associated with the International Research Training Group (IRTG) 1901
 "The Brain in Action"


09/2014

09/2016


Studies of Psychology at  Justus Liebig University Giessen, Germany.
Degree Awarded: M.Sc.

Additionally completed the predocotral program (PreProPsych) in visual neuroscience, supervisor: Karl R. Gegenfurtner

Thesis: "The interaction between saccadic and smooth pursuit eye movements and their effect on motion perception" (Supervisor Prof. Karl R. Gegenfurtner)

 

09/2011

-

09/2014

 

Studies of Psychology at Justus Liebig University Giessen, Germany.
Degree Awarded: B.Sc.

Thesis:"Eye-Hand or Hand-Eye Coordination -
Who leads directional decisions ?" (Supervisor Prof. Alexander C. Schütz)

 

Publications

 

  • Goettker, A. (under review). Retinal error signals update oculomotor behavior in subsequent trials.
  • Goettker, A., Fiehler, K, Voudouris, D. (in press, JNeurophys). Somatosensory target information is used for reaching but not for saccadic eye movements.
  • Goettker, A.*, Agtzidis, I.*, Braun, D.I., Dorr, M., & Gegenfurtner, K.R. (in press, JoV). From Gaussian Blobs to Natural Videos: Comparison of oculomotor behavior across different stimulus complexities.
  • Goettker, A., MacKenzie, KJ, Murdison, TS. (2020). Differences between oculomotor and perceptual artifacts for temporally limited head mounted displays. J Soc Inf Display. 1-11
  • Goettker, A., Caie, B., Jeyachandra, J., Xu, S., Gallivan, J., Dmochowski, J., Fiehler, K. & Blohm, G. (2019) HD-tDCS over mIPS causally modulates online reach correction. bioRxiv preprint. https://www.biorxiv.org/content/10.1101/708693v1
  • Goettker, A., Braun, D. I., & Gegenfurtner, K. R. (2019). Dynamic combination of position and motion information when tracking moving targets. Journal of vision, 19(7):2, 1-22.
  • Goettker, A., Brenner, E. & Gegenfurtner K.R., & de la Malla, C. (2019). Corrective saccades influence perception and interception. Scientific Reports. 9:5395.
  • Goettker, A., Braun, D. I., Schütz, A. C., & Gegenfurtner, K. R. (2018). Execution of saccadic eye movements affects speed perception. Proceedings of the National Academy of Sciences, 201704799.
  • Ross, N. M., Goettker, A., Schütz, A. C., Braun, D. I., & Gegenfurtner, K. R. (2017). Discrimination of curvature from motion during smooth pursuit eye movements and fixation. Journal of Neurophysiology, 118(3), 1762-1774.
  • Voudouris, D., Goettker, A., Mueller, S., Fiehler, K. (2016). Kinesthetic information facilitates saccades towards proprioceptive-tactile targets. Vision Research, 122, 73-80.

Conference Talks


  • Goettker, A., Braun, D.I., Schütz, A.C. & Gegenfurtner, K. Prediction in the oculomotor system. 60th Conference of Experimental Psychologists, Marburg, Germany

Invited Talks


  • Goettker, A. Der Einfluss von Augenbewegungen auf die Wahrnehmung (The influence of eye movements on perception). Tag der Optometrie 2018, München.

Conference Posters

 

  • Goettker, A., Gegenfurtner, K. Contribution of retinal and extra-retinal signals for oculomotor priors. VSS 2020.
  • Goettker, A., Agtzidis, I., Braun, D.I., Dorr, M., & Gegenfurtner, K. From Gaussian Blobs to Natural Scenes: Comparable results for saccade-pursuit interactions across stimuli of different complexity. VSS 2019, St. Pete Beach, Florida.
  • Churan, J., Goettker, A., Braun, D.I., Gegenfurtner K., & Bremmer, F. Dynamic interplay of position- and velocity signals during interceptive saccades in monkeys and humans. VSS 2019, St. Pete Beach, Florida.
  • Goettker, A., Braun, D.I. & Gegenfurtner, K. Curvature of saccades to moving targets corrects for initial directional errors. VSS 2018, St. Pete Beach, Florida
  • Goettker, A., Braun, D.I., Schütz, A.C. & Gegenfurtner, K. Saccadic eye movements affect perceived speed. VSS 2017, St. Pete Beach, Florida
  • Goettker, A., Xu, S., Fiehler, K. & Blohm, G. Anodal tDCS stimulation improves online control in reaching. SFN 2016 San Diego
  • Goettker, A., Gegenfurtner, K. Interaction between pursuit and saccades for speed judgments. ECVP 2016 Barcelona
  • Voudouris, D., Goettker, A., Mueller, S. & Fiehler K. Saccades towards targets of different somatosensory modalities. ECVP 2015 Liverpool

 

Lab Visits & Summerschools

 

2020 3 week computational summerschool: Neuromatch Academy

2020 4 month internship at Oculus/Facebook Reality Labs

2018 2 week lab visit at the Computational Sensorimotor Neuroscience lab, Queen's

          University,Kingston, Ontario, Cancada (Supervisor: Gunnar Blohm)

2018 1 week lab visit at the VESPA group, Technical University Munich (Supervisor: Michael Dorr)

2017 2 week lab visit at the Amsterdam Movement Sciences group, Vrije Universiteit Amsterdam 
          (Supervisor: Eli Brenner)

2016 Visual Neuroscience- from Spikes to Awareness, European Summer School

2015 3-month lab visit at the Computational Sensorimotor Neuroscience lab, Queen's

          University,Kingston, Ontario, Cancada (Supervisor: Gunnar Blohm)

 

Additional Training


  • Good Scientific Practice workshop, Marburg, GER
  • Project and Self-Management workshop, Gießen, GER
  • Writing Scientific Publications workshop, Marburg, GER