J. Timothy Petersik

Professor of Psychology
Office: Todd Wehr B31

  • Basic Information
  • Awards & Honors
  • Publications
  • Areas of Interest

Basic Information


  • B.A. in psychology, Ripon College
  • M.A. and Ph.D. in psychology, Miami University, Ohio

Courses Taught

  • PSC 212  Research Design and Statistics
  • PSC 221  Psychopathology
  • PSC 324  Physiological Psychology
  • PSC 328  Sensation and Perception
  • PSC 342  Cognitive Neuroscience
  • PSC 423  Research Seminar

Awards & Honors

Awards and Honors

  • James R. Underkofler Award of Excellence in Undergraduate Teaching, 2013
  • Associate Editor, “Comprehensive Psychology,” 2012 – present
  • Associate editor, “Perceptual and Motor Skills,” 1993 – present
  • James R. Underkofler Award of Excellence in Undergraduate Teaching, 1992
  • Chair of session in human perception, annual meeting of Midwestern Psychological Association, 1991 and 1992
  • Severy Award, 1983, 1985 and 2005

Grants received

  • Summer 2013: Factors related to interest in and knowledge of other countries (with Giselle Kauffeld): McNair Scholars Award
  • Summer 2012: Marital satisfaction and its relationship to personality and values (with Samantha Angell): McNair Scholars Award
  • Summer 2011: The Role of the Hippocampus in PTSD Memory Disorders (with Shelby Swiggum); McNair Scholars Award
  • Summer 2010: Pink or Blue: A Look at the Prominence of Gender Roles in Popular Televison Shows from 1950-2000 (with Katlyn Lee); McNair Scholars Award
  • Summer 2009: Detection of form changes during perceptual states associated with the Ternus display and related eye-movement patterns (with Brooke Lamb); McNair Scholars Award
  • Summer 2008:  Further Studies on the Mechanism(s) Underlying the Occurrence  of Glass Motion in Dynamic Displays  Ripon College Trustee Grant
  • Summer 2008: Change Detection in Complex Rotation Simulations (with Rachael Thiel);  McNair Scholars Award
  • Summer 2001: Change blindness with motion reversals of rotating figures
  • Summer 2000: Information required for face recognition
  • ACM Minority Scholars Grant
  • Ripon College ProColl Grant




  • Petersik, J.T. (1999). Motion capture of stationary lines by apparently moving terminators. “Perception,” 28, 321-330.
  • Petersik, J.T. and Richardson, R.* (2000). Discrimination of rotation from linear motion: Influence of interference gratings and dichoptic viewing. “Perceptual and Motor Skills,” 90, 241-249.
  • Petersik, J.T. and Dannemiller, J.L. (Submitted). “Does ‘Surface Interpolation’ Account for Insensitivity to Rotation Reversals?”
  • Petersik, J.T. (2002) Buildup and decay of a three-dimensional rotational aftereffect obtained with a three dimensional figure. “Perception,” 31, 825-836.
  • Petersik, J.T., Schellinger, A.R.* and Geiger, S.L. * (2003).  “Do variables that affect similar bistable apparent-movement displays result in similar changes in perception?”  “Spatial Vision,” 16, 105-208.
  • Kornowski, J.A.* and Petersik, J.T. (2003). Effects of face recognition of spatial frequency information contained in inspection and test stimuli. “Journal of General Psychology,” 130, 229-244.
  • Petersik, J.T. and Dannemiller, J.L. (2004). Factors influencing the ability to detect motio reversals in rotation simulations. “Spatial Vision,” 17, 201-224.
  • Petersik, J.T. and Rice, C.M.* (2006).  The evolution of explanations of a perceptual phenomenon: A case history using the Ternus effect. “Perception,”35, 807-821.
  • Vreven, D., Petersik, J.T., Dannemiller, J.L. and Schrauth, J. (2006). Dot polarity in dynamic Glass patterns. [Abstract]  “Journal of Vision,” 6 (6), 1053a.
  • Petersik, J.T. and Rice, C. M.* (2008). Spatial correspondence and relation correspondence: Grouping factors that influence perception of the Ternus display. “Perception,” 37, 725-739.
  • Petersik, J.T. (2009). Orientation anisotropy in the Ternus phenomenon. “Perceptual and Motor Skills.” 108, 405-410.
  • Petersik, J.T. (2010).  Ternus effect: Two processes or differential activation? Comments on Odic and Pratt’s 2008 paper. “Perception” 39, 705-710.
  • Petersik, J.T. and Thiel, R.* (2010).  Detecting Sudden Changes in Dynamic Rotation Displays. “Seeing and Perceiving”, 23, 241-261.* Indicates a Ripon College student
  • Silva, Molly R. & Petersik, J.T. (2015). Flicker-defined forms in the Ternus display. Perception, volume 44, 315–327.

Areas of Interest

  • Change blindness
  • Human perception
  • Visual motion perception and perception of bistable figures
  • Face recognition
  • Effects of the media on human behavior
  • Development of gender and brain function
  • Psycholinguistics