User profiles for H. Y. Im

Hee Yeon Im

University of British Columbia
Verified email at ubc.ca
Cited by 580

[HTML][HTML] The effects of sampling and internal noise on the representation of ensemble average size

HY Im, J Halberda - Attention, Perception, & Psychophysics, 2013 - Springer
Increasing numbers of studies have explored human observers’ ability to rapidly extract
statistical descriptions from collections of similar items (eg, the average size and orientation of a …

[HTML][HTML] Grouping by proximity and the visual impression of approximate number in random dot arrays

HY Im, S Zhong, J Halberda - Vision research, 2016 - Elsevier
We address the challenges of how to model human perceptual grouping in random dot
arrays and how perceptual grouping affects human number estimation in these arrays. We …

Phase I/II study of immunotherapy using autologous tumor lysate-pulsed dendritic cells in patients with metastatic renal cell carcinoma

…, WS Kim, K Kim, HY Im, WK Kang, K Park, HY Choi… - Clinical …, 2007 - Elsevier
This phase I/II study was conducted to evaluate the feasibility, safety and efficacy of
immunotherapy using tumor lysate (TL)-pulsed dendritic cells (DC) in patients with metastatic renal …

Acute toxicity and tissue distribution of CdSe/CdS‐MPA quantum dots after repeated intraperitoneal injection to mice

MM Haque, HY Im, JE Seo, M Hasan… - Journal of Applied …, 2013 - Wiley Online Library
Quantum dots (QDs) are novel tools with multiple biological and medical applications because
of their superior photoemission and photostability characteristics. However, leaching of …

Mean size as a unit of visual working memory

HY Im, SC Chong - Perception, 2014 - journals.sagepub.com
HY Im, SC Chong … To empirically test this, we (Im & Chong, 2009) examined how the
Ebbinghaus illusion influenced mean size computation of central circles, surrounded by either …

Differential hemispheric and visual stream contributions to ensemble coding of crowd emotion

HY Im, DN Albohn, TG Steiner, CA Cushing… - Nature human …, 2017 - nature.com
In crowds, where scrutinizing individual facial expressions is inefficient, humans can make
snap judgments about the prevailing mood by reading ‘crowd emotion’. We investigated how …

[HTML][HTML] PsiMLE: A maximum-likelihood estimation approach to estimating psychophysical scaling and variability more reliably, efficiently, and flexibly

D Odic, HY Im, R Eisinger, R Ly, J Halberda - Behavior Research Methods, 2016 - Springer
A simple and popular psychophysical model—usually described as overlapping Gaussian
tuning curves arranged along an ordered internal scale—is capable of accurately describing …

Computation of mean size is based on perceived size

HY Im, SC Chong - Attention, Perception, & Psychophysics, 2009 - Springer
The present study investigated whether computation of mean object size was based on
perceived or physical size. The Ebbinghaus illusion was used to make the perceived size of a …

[HTML][HTML] An explicit investigation of the roles that feature distributions play in rapid visual categorization

HY Im, NA Tiurina, IS Utochkin - Attention, Perception, & Psychophysics, 2021 - Springer
Ensemble representations are often described as efficient tools when summarizing features
of multiple similar objects as a group. However, it can sometimes be more useful not to …

Magnocellular and parvocellular pathway contributions to facial threat cue processing

CA Cushing, HY Im, RB Adams Jr… - Social cognitive and …, 2019 - academic.oup.com
Human faces evolved to signal emotions, with their meaning contextualized by eye gaze.
For instance, a fearful expression paired with averted gaze clearly signals both presence of …