Faculty

Institution

Unit

Venue

Alejandro Lleras

Professor

University of Illinois Urbana-Champaign

Affiliations

College of Liberal Arts & Sciences

Department of Psychology

Alejandro Lleras is currently serving as a College Of Liberal Arts & Sciences Professor at University of Illinois Urbana-Champaign.

Honors

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Experiences

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Education

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Alejandro Lleras

University of Illinois Urbana-Champaign

Professor

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cognitive science visual perception applied cognitive psychology cognition visual science attention visual processing psychology experimental psychology visual system behavioural process psychological science vision research behavioral sciences cognitive neuroscience visual function perception system neuroscience visual search image representation attention disorders behavioral experiments memory studies affective neuroscience eye tracking behavioral research early vision perception-action loop psychophysics experimental social psychology inhibitory process spatial cognition human cognition task performance rapid resumption visual reasoning emotional responses human memory implicit memory search technique working memory emotion regulation focused attention eye movements selective attention cognitive psychology explicit memory object substitution masking visual attention human decision process time perception spatial reasoning interrupted visual search human performance modeling exploratory search cognitive electrophysiology neural mechanisms experimental analysis of behavior object categorization associative memory (psychology) animal cognition search performance visual masking object substitution shape combine inter-trial inhibition thinking skills applied social psychology neurodynamics experimental pragmatics brain mechanisms object updating online measure inattentional blindness intellectual discourse animal behavior

Notable Scholarly Works

Notable Federal Grants

Collaborators

Board # 392: Lsamp: A Roadmap for Institution Collaboration During Louis Stokes Alliances for Minority Partnerships (Lsamp) Program Development. (2025)

Ashleigh WrightHolly GoleckiJacqueline HendersonRebekka DarnerNafisa IbrahimBrenda WilsonLoralyn CozyBrian BellottMahua BiswasAlejandro LlerasNarendra JaggiMichelle Edgcomb FridayTerrance BishopCatherine Lipovsky

collaborative governanceadministrative sciencecommunity developmentlouis stokes alliancescooperationcommunity engagementpublic managementminority partnershipssocial sciencesinstitution collaborationgovernanceresearch-practice partnershipsregional collaborationpublic policycommunity-engaged researchinterorganizational relationships

Color-Color Feature Guidance in Visual Search. Attention Perception & Psychophysics (2025)

Yiwen WangSimona BuettiAndrea Yaoyun CuiAlejandro Lleras

computer sciencevisual scienceimage searchvisual perceptioncomputer visioninformation visualizationcolor constancycolorizationcolor-color feature guidancemachine visionimage analysisvisualization

Evaluating the Contribution of Parallel Processing of Color and Shape in a Conjunction Search Task. Scientific Reports (2025)

Andrea Yaoyun CuiSimona BuettiZoe Jing XuAlejandro Lleras

visual scienceexperimental psychologyvisual perceptionvisual processingconjunction searchhomogeneous search displaysvisual systemapplied cognitive psychologycognitive sciencetask performancepsychologycognitionconjunction search task

Exploring the Impact of Target-Distractor Featural Contrast on Feature Prioritization in Efficient Visual Search.. Journal of Vision (2025)

Jun-Ming YuZoe Jing XuAlejandro LlerasBuetti Simona

efficient visual searchcomputer sciencetarget-distractor featural contrastvisual perceptioncomputer visionvisual processingvisual reasoningfeature prioritizationmachine visioncognitive scienceimage representationvisual science

Investigating the Contribution of Unpredictable Target Features to Attentional Guidance. Journal of Vision (2025)

Zoe (Jing) XuJun-Ming YuAlejandro LlerasSimona Buetti

behavioural processpsychological sciencevisual functionexperimental psychologyvisual perceptionattentionperception-action loopunpredictable target featurescognitive neuroscienceapplied cognitive psychologycognitive sciencepsychologycognition

Parallel Sequential Rejection in Conjunction Search: Insights From Eye-Tracking on Distractor Processing Dynamics. Journal of Vision (2025)

Andrea Yaoyun CuiSimona BuettiPengfei YuAlejandro Lleras

behavioural processpsychological sciencevisual scienceexperimental psychologyvisual perceptionattentionvisual processingconjunction searchvision researchparallel sequential rejectionvisual systemeye trackingcognitive sciencepsychologydistractor processing dynamics

Quantifying the Relationship Between Search Efficiency and Perceptual Similarity in Color Space Across Different Efficient Search Tasks.. Journal of Experimental Psychology Human Perception & Performance (2025)

Alejandro LlerasZoe Jing XuHoward Jia He TanYujie ShaoSimona Buetti

visual perceptionattentionvisual processingcolor spacecognitive neuroscienceneurosciencevision researchtarget templatevisual systemimage representationcognitive sciencecolor distancevisual sciencecognition

Do Action Video Game Players Search Faster Than Non-Players?. Journal of Vision (2024)

Zoe (Jing) XuJosef SpjutBen BoudaoudSimona BuettiAlejandro LlerasRuth Rosenholtz

game designweb searchgame analyticsgame playershuman-computer interactiongame aigeneral game playinginformation retrieval

Evaluating the Contributions of Top-Down and Bottom-Up Processing on Eye Movements During Parallel Visual Search. Journal of Vision (2024)

Howard Jia He TanJia He TanZoe (Jing) XuAlejandro LlerasSimona Buetti

visual perceptionvisual processingcognitive neuroscienceneurosciencevision researchparallel visual searchbottom-up processingvisual systemeye trackingcognitive scienceapplied cognitive psychologyophthalmologyvisual scienceeye movements

On the Relationship Between Target-Distractor Discriminability and Search Efficiency: The Case of Color.. Journal of Vision (2024)

Alejandro LlerasZoe (Jing) XuHoward TanYujie ShaoSimona Buetti

psychological sciencepsychologyvisual perceptionvisual systemapplied cognitive psychologycognitive scienceimage representationsearch efficiencypattern recognitionexperimental psychologycolor constancyvisual processingvision researchperception systembehavioral sciencescognitionattentiontarget-distractor discriminabilityvisual science

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Alejandro Lleras

Professor

University of Illinois Urbana-Champaign

Affiliations

College of Liberal Arts & Sciences

Department of Psychology

Alejandro Lleras is currently serving as a College Of Liberal Arts & Sciences Professor at University of Illinois Urbana-Champaign.

Honors

Create free account to unlock more features

Experiences

Create free account to unlock more features

Education

Create free account to unlock more features

Alejandro Lleras

University of Illinois Urbana-Champaign

Professor

You can click a keyword to filter the displayed items

Notable Scholarly Works

Notable Federal Grants

Collaborators

Board # 392: Lsamp: A Roadmap for Institution Collaboration During Louis Stokes Alliances for Minority Partnerships (Lsamp) Program Development. (2025)

Color-Color Feature Guidance in Visual Search. Attention Perception & Psychophysics (2025)

Yiwen WangSimona BuettiAndrea Yaoyun CuiAlejandro Lleras

computer sciencevisual scienceimage searchvisual perceptioncomputer visioninformation visualizationcolor constancycolorizationcolor-color feature guidancemachine visionimage analysisvisualization

Evaluating the Contribution of Parallel Processing of Color and Shape in a Conjunction Search Task. Scientific Reports (2025)

Andrea Yaoyun CuiSimona BuettiZoe Jing XuAlejandro Lleras

Exploring the Impact of Target-Distractor Featural Contrast on Feature Prioritization in Efficient Visual Search.. Journal of Vision (2025)

Jun-Ming YuZoe Jing XuAlejandro LlerasBuetti Simona

Investigating the Contribution of Unpredictable Target Features to Attentional Guidance. Journal of Vision (2025)

Zoe (Jing) XuJun-Ming YuAlejandro LlerasSimona Buetti

Parallel Sequential Rejection in Conjunction Search: Insights From Eye-Tracking on Distractor Processing Dynamics. Journal of Vision (2025)

Andrea Yaoyun CuiSimona BuettiPengfei YuAlejandro Lleras

Alejandro LlerasZoe Jing XuHoward Jia He TanYujie ShaoSimona Buetti

Do Action Video Game Players Search Faster Than Non-Players?. Journal of Vision (2024)

Zoe (Jing) XuJosef SpjutBen BoudaoudSimona BuettiAlejandro LlerasRuth Rosenholtz

game designweb searchgame analyticsgame playershuman-computer interactiongame aigeneral game playinginformation retrieval

Evaluating the Contributions of Top-Down and Bottom-Up Processing on Eye Movements During Parallel Visual Search. Journal of Vision (2024)

Howard Jia He TanJia He TanZoe (Jing) XuAlejandro LlerasSimona Buetti

On the Relationship Between Target-Distractor Discriminability and Search Efficiency: The Case of Color.. Journal of Vision (2024)

Alejandro LlerasZoe (Jing) XuHoward TanYujie ShaoSimona Buetti

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human robot interaction

mind wandering

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cognitive science

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