Oakyoon Cha

Sungshin Hall Rm. 917
Sungshin Women's University
2 Bomun-ro 34da-gil, Seongbuk-gu
Seoul 02844, Korea
Phone: +82 2-920-7214
Email: oakyoon.cha@sungshin.ac.kr

Education

  • 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.

Research Experience

  • 2021 -
    Assistant Professor, Sungshin Women's University, Seoul, Korea.
    Department of Psychology
  • 2018 - 2021
    Postdoctoral Research Scholar, Vanderbilt University, Nashville, TN, USA.
    Advisors: Randolph Blake & Isabel Gauthier

Work Experience

  • 2011 - 2013
    Director, Strategic Planning, Flowgamez.
    Made marketing decisions through anaysis of game usage data.
  • 2005 - 2006
    Researcher/Developer, Communications Lab., SK Communications.
    Developed prototypes of a new social network service. Parts of the project's code base was published as a Java server framework (https://sf.net/projects/jbaobab).
  • 2003 - 2005
    Developer, E-commerce Platform, Danal.
    Developed and maintained network server programs (C, C++ on *nix, Java/JBoss).

Awards

  • 2021
    Bob Fox Award of Excellence in Post-Doctoral Research, Department of Psychology, Vanderbilt University.
  • 2020
    Elsevier/Vision Research Travel Award, Annual Meeting of the Vision Sciences Society.
  • 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, Cannes Lions, AdFest, …. photograph
    Awarded to Cheil Worldwide for “Look At Me” campaign, carried out with VCC Lab. and Behavioral Psychology Lab., Yonsei University.
  • 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.

Publications

  • Kacin, M., Cha, O., & Gauthier, I. (2023). The relation between ensemble coding of length and orientation does not depend on spatial attention. Vision, 7(1), 3. https://doi.org/10.3390/vision7010003
  • Gauthier, I., Cha, O., & Chang, T. Y. (2022). Mini Review: Individual differences and domain-general mechanisms in object recognition. Frontiers in Cognition, 1, 1040994. https://doi.org/10.3389/fcogn.2022.1040994
  • Cha, O., Blake, R., & Gauthier, I. (2022). Contribution of a common ability in average and variability judgments. Psychonomic Bulletin & Review, 29(1), 108-115. https://doi.org/10.3758/s13423-021-01982-1
  • Kacin, M., Gauthier, I., & Cha, O. (2021). Ensemble coding of average length and average orientation are correlated. Vision Research, 187, 94-101. https://doi.org/10.1016/j.visres.2021.04.010
  • Cha, O., Blake, R., & Gauthier, I. (2021). The role of category- and exemplar-specific experience in ensemble processing of objects. Attention, Perception, & Psychophysics, 83(3), 1080-1093. https://doi.org/10.3758/s13414-020-02162-4
  • Cha, O., Son, G., Chong, S. C., Tovar, D. A., & Blake, R. (2019). Novel procedure for generating continuous flash suppression: Seurat meets Mondrian. Journal of Vision, 19(14):1, 1-22. https://doi.org/10.1167/19.14.1
  • Cha, O., & Blake, R. (2019). Evidence for neural rhythms embedded within binocular rivalry. Proceedings of the National Academy of Sciences of the United States of America, 116(30), 14811-14812. https://doi.org/10.1073/pnas.1905174116
  • Cha, O., Blake, R., & Chong, S. C. (2018). Composite binocular perception from dichoptic stimulus arrays with similar ensemble information. Scientific Reports, 8:8263, 1-13. https://doi.org/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. https://doi.org/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. https://doi.org/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. https://doi.org/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. https://doi.org/10.1016/j.visres.2012.01.020
  • Park, K. M., Cha, O., Kim, S., Im, H. Y., & Chong, S. C. (2007). The influence of depth context on blind spot filling-in. Korean Journal of Cognitive Science, 18(4), 351-370. pdf in Korean

Invited Talks

  • Oct., 2019
    “Finding evidence for neural rhythms in behavioral data.”
    Department of Psychology, Vanderbilt University.
  • Oct., 2018
    “Ensemble as lossy compression rather than dumb averaging.”
    Department of Psychology, Vanderbilt University.
  • 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.

Conference Presentations

  • Kim, S., & Cha, O. (2023, February 16-17). Diversity of items within attentional window explains “cost-free” diversity judgments [Oral presentation]. Korean Society for Cognitive and Biological Psychology, Seoul, Korea.
  • Kim, S. J., & Cha, O. (2023, February 16-17). Face recognition plays a role in ensemble judgments of facial features [Oral presentation]. Korean Society for Cognitive and Biological Psychology, Seoul, Korea.
  • Lee, J., & Cha, O. (2023, February 16-17). Multitasking without task switching [Oral presentation]. Korean Society for Cognitive and Biological Psychology, Seoul, Korea.
  • Chang, T.-Y., Cha, O., McGugin, R. W., Tomarken, A. J., Gauthier, I. (2022, May 12-18). A general ability for ensemble perception [Poster presentation]. Vision Sciences Society, St. Pete Beach, FL, USA. https://doi.org/10.1167/jov.22.14.4013
  • Cha, O., & Blake, R. (2021, May 21-26). Extracting evidence for neural rhythms from behavioral measurements [Poster presentation]. Vision Sciences Society, St. Pete Beach, FL, USA. https://doi.org/10.1167/jov.21.9.1958 data & codes
  • Cha, O., Blake, R., & Gauthier, I. (2020, June 19-24). Judgments of average and variance within object ensembles rely on a common ability [Poster presentation]. Vision Sciences Society, St. Pete Beach, FL, USA. https://doi.org/10.1167/jov.20.11.841 preregistration
  • Cha, O., Blake, R., & Gauthier, I. (2019, May 17-22). Stimulus-specific learning facilitates ensemble processing of cars [Poster presentation]. Vision Sciences Society, St. Pete Beach, FL, USA. https://doi.org/10.1167/19.10.32 preregistration
  • Blake, R., Cha, O., Son, G., & Chong, S. C. (2019, May 17-22). Novel procedure for generating continuous flash suppression: Seurat meets Mondrian [Poster presentation]. PVision Sciences Society, St. Pete Beach, FL, USA. https://doi.org/10.1167/19.10.63c
  • Cha, O., & Chong, S. C. (2018, May 18-23). Ensemble information is built with a bag of free-floating visual features [Poster presentation]. Vision Sciences Society, St. Pete Beach, FL, USA. https://doi.org/10.1167/18.10.317
  • Cha, O., & Chong, S. C. (2017, August 30-31). Ensemble similarity between binocular images promotes binocular matching [Poster presentation]. Korean Society for Brain and Neural Science, Seoul, Korea.
  • Cha, O., Blake, R., & Chong, S. C. (2017, May 19-24). Dissimilarity between feature ensembles triggers binocular rivalry without competing local features [Poster presentation]. Vision Sciences Society, St. Pete Beach, FL, USA. https://doi.org/10.1167/17.10.1221 poster
  • Cha, O., & Chong, S. C. (2017, January 19-20). Effect of the skewness and peak of orientation distributions on the perceived average orientaion [Poster presentation]. Korean Society for Cognitive and Biological Psychology, Busan, Korea. poster in Korean
  • Cha, O., & Chong, S. C. (2016, May 13-18). Objects held in visual working memory compete for access to resources [Poster presentation]. Vision Sciences Society, St. Pete Beach, FL, USA. https://doi.org/10.1167/16.12.1053
  • Cha, O., & Chong, S. C. (2016, January 21-23). Objects held in visual working memory compete for access to resources [Oral presentation]. Korean Society for Cognitive and Biological Psychology, Jeju, Korea.
  • Eo, K., Cha, O., Kang, M.-S., & Chong, S. C. (2015, May 15-20). Attending away makes semantic information available during rivalry [Oral presentation]. Vision Sciences Society, St. Pete Beach, FL, USA. https://doi.org/10.1167/15.12.382
  • Kang, K., Cha, O., & Chong, S. C. (2015, May 15-20). Relational information decays faster than object features in visual working memory [Poster presentation]. Vision Sciences Society, St. Pete Beach, FL, USA. https://doi.org/10.1167/15.12.535
  • Cha, O., & Chong, S. C. (2015, January 14-16). Contour integration affects perceived mean orientations of Gabors [Oral presentation]. Korean Society for Cognitive and Biological Psychology, Jeju, Korea. slides in Korean
  • Eo, K., Cha, O., Kang, K., & Chong, S. C. (2015, January 14-16). Influence of pupil size on brightness perception [Poster presentation]. Korean Society for Cognitive and Biological Psychology, Jeju, Korea.
  • Kang, K., Cha, O., & Chong, S. C. (2015, January 14-16). Relational information decays faster than object features in visual working memory [Poster presentation]. Korean Society for Cognitive and Biological Psychology, Jeju, Korea.
  • Kang, M.-S., Eo, K., Cha, O., & Chong, S. C. (2014, November 15-19). Inattention opens door for unconscious processing during continuous flash suppression [Oral presentation]. Society for Neuroscience, Washington, DC, USA.
  • Cha, O., & Chong, S. C. (2014, May 16-21). Contour integration affects perceived mean orientations of Gabors [Poster presentation]. Vision Sciences Society, St. Pete Beach, FL, USA. https://doi.org/10.1167/14.10.1429 poster
  • Eo, K., Cha, O., Jung, Y., & Chong, S. C. (2014, May 16-21). The relationship between vividness of visual imagery and indirect size-measurements of the visual cortex [Poster presentation]. Vision Sciences Society, St. Pete Beach, FL, USA. https://doi.org/10.1167/14.10.43
  • Cha, O., & Chong, S. C. (2011, June 24). Analyzing electrophysiological signals using genetic algorithm [Oral presentation]. Korean Society for Cognitive Science, Seoul, Korea. slides in Korean
  • Baek, Y., Cha, O., & Chong, S. C. (2011, June 24). Binocular rivalry and the perception at the blind spot [Oral presentation]. Korean Society for Cognitive Science, Seoul, Korea.
  • Baek, Y., Cha, O., & Chong, S. C. (2011, May 6-11). Temporal dynamics of binocular rivalry at the blind spot [Poster presentation]. Vision Sciences Society, Naples, FL, USA. https://doi.org/10.1167/11.11.304
  • Cha, O., & Chong, S. C. (2010, May 7-12). Background is remapped across saccades [Poster presentation]. Vision Sciences Society, Naples, FL, USA. https://doi.org/10.1167/10.7.516 poster
  • Baek, Y., Kim, J., Cha, O., & Chong, S. C. (2009, May 8-13). The quality of filled-in surface at the blind spot [Poster presentation]. Vision Sciences Society, Naples, FL, USA. https://doi.org/10.1167/9.8.1028