CV

Education

• Ph.D in College of Natural Sciences, Seoul National University, 2024
  • Major: Brain and Cognitive Sciences (GPA 4.03/4.3)
• B.S. in College of Liberal Studies, Seoul National University, 2015
  • Major: Biological Sciences / (Student-Designed Major) Cognitive Logic (GPA 3.39/4.3)

Awards

• Best Doctoral Thesis Award, College of Natural Sciences, Seoul National University (2024)
• Excellence Award in Poster Presentation at Brain Day, Department of Brain and Cognitive Sciences, Seoul National University (2021)
• Excellence Award in Poster Presentation at Brain Day, Department of Brain and Cognitive Sciences, Seoul National University (2019)
• Excellence Award in Poster Presentation at Brain Day, Department of Brain and Cognitive Sciences, Seoul National University (2018)
• Outstanding Graduate Award “Person Of The Year”, College of Liberal Studies, Seoul National University (2015)
• Excellence Award in Thesis Presentation, Department of Biological Sciences, Seoul National University (2015)

Skills

• Programming
  • Language: Matlab, R, Python, Javascript
• FMRI Experiment Design & Analysis
  • Retinotopic mapping, block design, event-related design
• Transcranial Electrical Stimulation
  • tDCS, tACS, tRNS
• Voxel-level modeling
  • Hemodynamic response function, population receptive fields
• Psychophysics
  • Detection, Orientation discrimination, Spatial localization, Working memory task
• Statistical analysis
  • Power analysis, Multivariate statistics, Mixed effects model
• Eye Tracking & Analysis
  • Pupillometry, gaze tracking
• Web-Based Experiment
  • Examples: https://app.gorilla.sc/openmaterials/732727
• LEADERSHIP
  • President of the club: College of Liberal Studies PR Team HUB (2012-2013)
  • President of the Association of Clubs in the College of Liberal Studies (2012)

Publications

Are you thinking about friends or money? Spontaneous thought contents reveal the value of social relationships for happiness

Shin, W., Ahn, J., Choe, K., Lee, H., Han, J., Lee, E., … Sul, S. (2024, August 21). Are you thinking about friends or money? Spontaneous thought contents reveal the value of social relationships for happiness. https://doi.org/10.31234/osf.io/6y2fa

Determination of Optimal Injection Current Pattern for Multichannel Transcranial Electrical Stimulation without Individual MRI Using Multiple Head Models

Lee, S., Park, J., Lee, C., Ahn, J., Ryu, J., Lee, S.-H., Im, C.-H., 2023. Determination of Optimal Injection Current Pattern for Multichannel Transcranial Electrical Stimulation without Individual MRI Using Multiple Head Models. Computer Methods and Programs in Biomedicine 107878. https://doi.org/10.1016/j.cmpb.2023.107878

Transcranial direct current stimulation elevates the baseline activity while sharpening the spatial tuning of the human visual cortex

Ahn, J., Ryu, J., Lee, S., Lee, C., Im, C.-H., Lee, S.-H., 2023. Transcranial direct current stimulation elevates the baseline activity while sharpening the spatial tuning of the human visual cortex. Brain Stimulation 16, 1154–1164. https://doi.org/10.1016/j.brs.2023.07.052

The confounding effects of eye blinking on pupillometry, and their remedy

Yoo, K., Ahn, J., Lee, S.-H., 2021. The confounding effects of eye blinking on pupillometry, and their remedy. PLOS ONE 16, e0261463. https://doi.org/10.1371/journal.pone.0261463

Talks

Optimal Solution in Determination of Major

May 24, 2022

Talk at Individual Course Design at College of Liberal Studies, Seoul National University, Seoul, Korea, Republic of

International conference presentations

• Ahn, Jeongyeol, Juhyoung Ryu, Sangjun Lee, Chany Lee, Chang-Hwan Im, and Sang-Hun Lee. “Impacts of Transcranial Direct Current Stimulation on the Temporal and Spatial Profiles of fMRI Activity in the Human Visual Cortex” in 51st Annual Meeting of the Society for Neuroscience (Neuroscience 2022), 2022.
• Ahn, Jeongyeol, Juhyoung Ryu, Sangjun Lee, Chany Lee, Chang-Hwan Im, and Sang-Hun Lee. “Quantifying the Impacts of Transcranial Electrical Stimulation on Cortical Activity in Human Visual Cortex,” in the 15th Asia-Pacific Conference on Vision (APCV), 2019.
• Ahn, Jeongyeol, Juhyoung Ryu, Sangjun Lee, Chany Lee, Chang-Hwan Im, and Sang-Hun Lee. “Effects of Transcranial Direct Current Stimulation Polarity on Cortical Activity in Human Visual Cortex.” In the International Brain Research Organization (IBRO) ,2019.