Oakyoon Cha

611 Wilson Hall
111 21st Avenue South
Vanderbilt University
Nashville, TN 37240
+1 (615) 674-6212
oakyoon@gmail.com
skype: oakyoon.cha
https://oakyoon.net

Education

  • 2018 -
    Postdoctoral fellow, Vanderbilt University, Nashville, TN.
    Advisors: Randolph Blake & Isabel Gauthier
  • 2014 - 2017
    Ph.D. in Cognitive Science, Yonsei University, Seoul, Korea
    Advisor: Sang Chul Chong
  • 2009 - 2011
    M.S. in Cognitive Science, Yonsei University, Seoul, Korea.
    Advisor: Sang Chul Chong
  • 2000 - 2009
    B.A. in Psychology & Cognitive Science, Yonsei University, Seoul, Korea

Awards

  • 2017
    Distinguished Thesis, Yonsei University.
  • 2017
    Student Travel Award, Annual Meeting of the Korean Society for Brain and Neural Science.
  • 2016
    Grand Prize, SK Creative Challenge, HCI Korea 2016. photograph
  • 2016
    Student Travel Award, Annual Meeting of the Korean Society for Cognitive and Biological Psychology.
  • 2015
    Multiple Awards, “LOOK AT ME” Project. photograph
  • 2015
    Student Travel Award, Annual Meeting of the Korean Society for Cognitive and Biological Psychology.
  • 2011
    Merited Thesis, Yonsei University.
  • 2008
    S Design Award, College of Human Ecology, Yonsei University.

Work Experience

  • 2011 - 2013
    Director, Strategic Planning Dept., Flowgamez.
    • Analyzed game usage data and made marketing decisions.
  • 2005 - 2006
    Researcher/Developer, Communications Lab., SK Communications.
    • Conceptualized and prototyped social network services.
    • Developed a Java framework for rapid prototyping.
  • 2003 - 2005
    Developer, E-commerce Dept., Danal.
    • Developed and maintained two-step verification services.

Publications

  • Cha, O., Blake, R., & Chong, S. C. (2018). Composite binocular perception from dichoptic stimulus arrays with similar ensemble information. Scientific Reports, 8, 8263. doi:10.1038/s41598-018-26679-9
  • Cha, O., & Chong, S. C. (2018). Perceived average orientation reflects effective gist of the surface. Psychological Science, 29(3), 319-327. doi:10.1177/0956797617735533
  • Eo, K., Cha, O., Chong, S. C., & Kang, M. S. (2016). Less is more: semantic information survives interocular suppression when attention is diverted. Journal of Neuroscience, 36(20), 5489-5497. doi:10.1523/JNEUROSCI.3018-15.2016
  • Cha, O., & Chong, S. C. (2014). The background is remapped across saccades. Experimental Brain Research, 232(2), 609-618. doi:10.1007/s00221-013-3769-9
  • Baek, Y., Cha, O., & Chong, S. C. (2012). Characteristics of the filled-in surface at the blind spot. Vision Research, 58, 33-44. doi:10.1016/j.visres.2012.01.020
  • Park, K. M., Cha, O., Kim, S., Im, H. Y., & Chong, S. C. The influence of depth context on blind spot filling-in. Korean Journal of Cognitive Science, 18(4), 351-370. pdf in Korean

Invited Talks

  • Nov., 2017
    “Ensemble information reflects effective gist of a visual scene.”
    Center for Cognitive Science, Yonsei University.
  • Mar., 2016
    “The background is remapped across saccades.” slides
    Center for Neuroscience Imaging Research, Institute for Basic Science.

Softwares (see https://github.com/oakyoon)

Conference Presentations

  • Cha, O., & Chong, S. C. (2018, May). Ensemble information is built with a bag of free-floating visual features. Poster presented at the annual meeting of the Vision Sciences Society, St. Pete Beach, FL.
  • Cha, O., & Chong, S. C. (2017, August). Ensemble similarity between binocular images promotes binocular matching. Poster presented at the annual meeting of the Korean Society for Brain and Neural Science co-organized by the Korean Society for Neurodegenerative Disease, Seoul, Korea.
  • Cha, O., Blake, R., & Chong, S. C. (2017, May). Dissimilarity between feature ensembles triggers binocular rivalry without competing local features. Poster presented at the annual meeting of the Vision Sciences Society, St. Pete Beach, FL. doi:10.1167/17.10.1221 poster
  • Cha, O., & Chong, S. C. (2017, January). Effect of the skewness and peak of orientation distributions on the perceived average orientaion. Poster presented at the annual meeting of the Korean Society for Cognitive and Biological Psychology, Busan, Korea. poster in Korean
  • Cha, O., & Chong, S. C. (2016, May). Objects held in visual working memory compete for access to resources. Poster presented at the annual meeting of the Vision Sciences Society, St. Pete Beach, FL. doi:10.1167/16.12.1053
  • Cha, O., & Chong, S. C. (2016, January). Objects held in visual working memory compete for access to resources. Talk presetned at the annual meeting of the Korean Society for Cognitive and Biological Psychology, Jeju, Korea.
  • Eo, K., Cha, O., Kang, M.-S., & Chong, S. C. (2015, May). Attending away makes semantic information available during rivalry. Talk presented at the annual meeting of the Vision Sciences Society, St. Pete Beach, FL. doi:10.1167/15.12.382
  • Kang, K., Cha, O., & Chong, S. C. (2015, May). Relational information decays faster than object features in visual working memory. Poster presented at the annual meeting of the Vision Sciences Society, St. Pete Beach, FL. doi:10.1167/15.12.535
  • Cha, O., & Chong, S. C. (2015, January). Contour integration affects perceived mean orientations of Gabors. Talk presented at the annual meeting of the Korean Society for Cognitive and Biological Psychology, Jeju, Korea. slides in Korean
  • Eo, K., Cha, O., Kang, K., & Chong, S. C. (2015, January). Influence of pupil size on brightness perception. Poster presented at the annual meeting of the Korean Society for Cognitive and Biological Psychology, Jeju, Korea.
  • Kang, K., Cha, O., & Chong, S. C. (2015, January). Relational information decays faster than object features in visual working memory. Poster presented at the annual meeting of the Korean Society for Cognitive and Biological Psychology, Jeju, Korea.
  • Kang, M.-S., Eo, K., Cha, O., & Chong, S. C. (2014, November). Inattention opens door for unconscious processing during continuous flash suppression. Talk presented at the annual meeting of the Society for Neuroscience, Washington, DC.
  • Cha, O., & Chong, S. C. (2014, May). Contour integration affects perceived mean orientations of Gabors. Poster presented at the annual meeting of the Vision Sciences Society, St. Pete Beach, FL. doi:10.1167/14.10.1429 poster
  • Eo, K., Cha, O., Jung, Y., & Chong, S. C. (2014, May). The relationship between vividness of visual imagery and indirect size-measurements of the visual cortex. Poster presented at the annual meeting of the Vision Sciences Society, St. Pete Beach, FL. doi:10.1167/14.10.43
  • Cha, O., & Chong, S. C. (2011, June). Analyzing electrophysiological signals using genetic algorithm. Talk presented at the annual meeting of the Korea Society for Cognitive Science, Seoul, Korea. slides in Korean
  • Baek, Y., Cha, O., & Chong, S. C. (2011, June). Binocular rivalry and the perception at the blind spot. Talk presented at the annual meeting of the Korean Society for Cognitive Science, Seoul, Korea.
  • Baek, Y., Cha, O., & Chong, S. C. (2011, May). Temporal dynamics of binocular rivalry at the blind spot. Poster presented at the annual meeting of the Vision Sciences Society, Naples, FL. doi:10.1167/11.11.304
  • Cha, O., & Chong, S. C. (2010, May). Background is remapped across saccades. Poster presented at the annual meeting of the Vision Sciences Society, Naples, FL. doi:10.1167/10.7.516 poster
  • Baek, Y., Kim, J., Cha, O., & Chong, S. C. (2009, May). The quality of filled-in surface at the blind spot. Poster presented at the annual meeting of the Vision Sciences Society, Naples, FL. doi:10.1167/9.8.1028
  • Dagger symbols () indicate awarded posters/talks.

Other Creative Works

  • Flowgamez C.I.

    • Nominated for new C.I., In-house Contest for New C.I., Flowgamez. use cases
  • ShortEnuf (out of service)

    • Maps any internet address to 5-letter domains (e.g. qto.in) for limited period of time.
    • Made to the final at TWiST Seoul 2011. blog post on this event
  • Robot Stingray

    • Creative Design Fair 2003, Department of Mechanical Engineering, Yonsei University.
    • Pictures and a movie clip available (see https://oakyoon.github.io/cv/).