Sung Jun Joo

Lab Alum

Now: Postdoctoral Fellow, Brain Development and Education Lab, UW-Seattle. [Current web page]
Postdoctoral fellow (2013-2016) – Center for Perceptual Systems and Department of Psychology, The University of Texas, Austin, TX, USA (Advisor: Alexander C. Huk)

Research Interests
Contextual modulation, Grouping, Adaptation, 3D motion, Perceptual decision making

Education & Prior Employment
University of Washington, Seattle, WA, USA
• Ph.D. – Department of Psychology, December 2012
(Advisors: Drs. Scott O. Murray & Geoffrey M. Boynton)
Yonsei University, Seoul, South Korea
• M.S. – Cognitive Science, February 2008 (Advisor: Dr. Sang Chul Chong)
Korea University, Seoul, South Korea
• B.Eng. – Electronics Engineering, August 2001
Samsung Electronics, Suwon, South Korea (2002.1 ~ 2006.2)
• Software engineer – Mobile communications division


Joo, S.J., Czuba, T.B., Cormack, L.K., & Huk, A.C. (2016). Separate perceptual and neural processing of velocity- and disparity-based 3D motion signals. Journal of Neuroscience, 

Joo, S.J., Katz, L.N., & Huk, A.C. (2016). Decision-related perturbations of decision-irrelevant eye movements. Proceedings of the National Academy of Sciences., 113 (7): 1925-1930. [link]

Poldrack RA, Laumann TO, Koyejo O, Gregory B, Hover A, Chen MY, Gorgolewski KJ, Luci J, Joo SJ, Boyd RL, Hunicke-Smith S, Simpson ZB, Caven T, Sochat V, Shine JM, Gordon E, Snyder AZ, Adeyemo B, Petersen SE, Glahn DC, Reese Mckay D, Curran JE, Göring HH, Carless MA, Blangero J, Dougherty R, Leemans A, Handwerker DA, Frick L, Marcotte EM, Mumford JA. (2015). Long-term neural and physiological phenotyping of a single human. Nature Communications.6:8885. doi: 10.1038/ncomms9885.

Laumann TO, Gordon EM, Adeyemo B, Snyder AZ, Joo SJ, Chen MY, Gilmore AW, McDermott KB, Nelson SM, Dosenbach NU, Schlaggar BL, Mumford JA, Poldrack RA, Petersen SE. (2015). Functional system and areal organization of a highly sampled individual human brain. Neuron. 87(3):657-70.

Joo, S. J., & Murray, S. O. (2014). Contextual effects in human visual cortex depend on surface structure. Journal of Neurophysiology, 111(9), 1783-1791.

Joo, S. J., & Chong, S. C. (2013). Effects of subtle stimulus strength on the attentional blinkPerception, 42, 28-33.

Joo, S. J., Boynton, G. M., & Murray, S. O. (2012). Long-range, pattern-dependent contextual effects in early human visual cortex. Current Biology, 22, 781-786.

Joo, S. J., Shin, K., Chong, S. C., & Blake, R. (2009). On the nature of the stimulus information necessary for estimating mean size of visual arrays. Journal of Vision, 9(9):7, 1-12.

Chong, S. C., Joo, S. J., Emmanouil, T.-A., & Treisman, A. (2008). Statistical processing: Not so implausible after all. Perception & Psychophysics, 70, 1327-1334.

Chong, S. C., & Joo, S. J. (2007). The neural mechanism of distributed and focused attention and their relation to statistical representation of visual displays. The Korean Journal of Cognitive Science, 18, 399-415.

• Distinguished Thesis Award – by Yonsei graduate school, 2008
• Elsevier/Vision Research Travel Award – by Vision Sciences Society, 2008