Personal profile
Research Interests
- Attention
- Vision
Professional Information
In my work on visual attention I use a variety of methodologies and approaches: behavioral psychophysics, eye-tracking, and computational modeling.
For more information on my ongoing projects visit: https://publish.illinois.edu/visionlab/projects/
Education
- PhD. from the University of Geneva (Switzerland)
Honors & Awards
Awarded a 2019 research grant from the National Science Foundation (Behavioral and Cognitive Science Division, award number: 1921735). Role: PI. Title: CompCog: Template Contrast and Saliency (TCAS) Toolbox: a tool to visualize parallel attentive evaluation of scenes.
Awarded a 2016 research grant from the BRIDGE Birmingham-Illinois partnership initiative.
Awarded the 2014 NARSAD Young Investigator Grant, Brain & Behavior research Foundation
Teaching
Psyc230 Perception and Sensory Processes (face-to-face: Fall and Spring; Online: Winter and Summer)
Psyc396 The Attentive Mind
Global Eduction and Training (GET) in the context of the Engeneering Research Summer School
Office Phone
Fingerprint
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Collaborations and top research areas from the last five years
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Evaluating the contributions of top-down and bottom-up processing on eye movements during parallel visual search
Tan, H. J. H., Lleras, A., Xu, Z. Z. J., Ding, Y. & Buetti, S., Mar 2026, In: Attention, Perception, and Psychophysics. 88, 3, 75.Research output: Contribution to journal › Article › peer-review
Open Access -
Toward a better understanding of target distinctiveness in visual search: How color, shape, and texture information combine to guide search.
Xu, Z., Lleras, A. & Buetti, S., Mar 1 2026, In: Journal of Experimental Psychology: General.Research output: Contribution to journal › Article › peer-review
Open Access -
Color-color feature guidance in visual search
Wang, Y., Buetti, S., Cui, A. Y. & Lleras, A., Jul 2025, In: Attention, Perception, and Psychophysics. 87, 5, p. 1496-1517 22 p.Research output: Contribution to journal › Article › peer-review
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Evaluating the contribution of parallel processing of color and shape in a conjunction search task
Cui, A. Y., Buetti, S., Xu, Z. J. & Lleras, A., Dec 2025, In: Scientific reports. 15, 1, 7760.Research output: Contribution to journal › Article › peer-review
Open Access -
Quantifying the Relationship Between Search Efficiency and Perceptual Similarity in Color Space Across Different Efficient Search Tasks
Lleras, A., Xu, Z. J., Tan, H. J. H., Shao, Y. & Buetti, S., Jul 2025, In: Journal of Experimental Psychology: Human Perception and Performance. 51, 7, p. 850-874 25 p.Research output: Contribution to journal › Article › peer-review
Open Access
Press/Media
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Awards honor excellence in instruction
Schroeder, N. E., Uddin, R., Mehta, R., Yang, W., Cohen, J. R., Dymond, S. K., Buetti, S., DiFilippo, K. N., Saadah, E., Anderson, P. S. L., Arbelaez, J. D., Ceman, S. S., Dunfield, N. M., Looney, L. W., Bradley, J. A. & Lemoine, C.
4/2/25
1 Media contribution
Press/Media: Press / Media