Alejandro Lleras, Professor of Psychology, Charles Eriksen Professorial Scholar

20012019
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Research Output 2001 2019

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Article
2019

Predicting Search Performance in Heterogeneous Scenes: Quantifying the Impact of Homogeneity Effects in Efficient Search

Lleras, A., Wang, Z., Madison, A. & Buetti, S., Jan 8 2019, In : Collabra: Psychology. 5, 1, p. 2

Research output: Contribution to journalArticle

Open Access
2018

Fixed-target efficient search has logarithmic efficiency with and without eye movements

Ng, G. J. P., Lleras, A. & Buetti, S., Oct 1 2018, In : Attention, Perception, and Psychophysics. 80, 7, p. 1752-1762 11 p.

Research output: Contribution to journalArticle

Eye Movements
efficiency
Reaction Time
Experimental Psychology
experimental psychology

Parallel, exhaustive processing underlies logarithmic search functions: Visual search with cortical magnification

Wang, Z., Lleras, A. & Buetti, S., Aug 1 2018, In : Psychonomic Bulletin and Review. 25, 4, p. 1343-1350 8 p.

Research output: Contribution to journalArticle

Reaction Time
Crowding
Visual Search
Parallel Processing
Eccentricity

The role of crowding in parallel search: Peripheral pooling is not responsible for logarithmic efficiency in parallel search

Madison, A., Lleras, A. & Buetti, S., Feb 1 2018, In : Attention, Perception, and Psychophysics. 80, 2, p. 352-373 22 p.

Research output: Contribution to journalArticle

Crowding
efficiency
experiment
Reaction Time
manipulation
2017

Alpha, beta: The rhythm of the attentional blink

Shapiro, K. L., Hanslmayr, S., Enns, J. T. & Lleras, A., Dec 1 2017, In : Psychonomic Bulletin and Review. 24, 6, p. 1862-1869 8 p.

Research output: Contribution to journalArticle

Beta Rhythm
Attentional Blink
Consciousness
Rhythm

Exploring the contributions of spatial and non-spatial working memory to priming of pop-out

Ahn, J. W., Patel, T. N., Buetti, S. & Lleras, A., May 1 2017, In : Attention, Perception, and Psychophysics. 79, 4, p. 1012-1026 15 p.

Research output: Contribution to journalArticle

Short-Term Memory
Visual Working Memory
Priming
Working Memory
Psychophysics

Predicting search performance in heterogeneous visual search scenes with real-world objects

Wang, Z., Buetti, S. & Lleras, A., Jan 1 2017, In : Collabra: Psychology. 3, 1, 6.

Research output: Contribution to journalArticle

2016
Boredom
Mobile phones
Cell Phones
Motivation
Mental Health

Distractibility is a function of engagement, not task difficulty: Evidence from a new oculomotor capture paradigm

Buetti, S. & Lleras, A., Oct 1 2016, In : Journal of Experimental Psychology: General. 145, 10, p. 1382-1405 24 p.

Research output: Contribution to journalArticle

Individuality
Motivation

Towards a better understanding of parallel visual processing in human vision: Evidence for exhaustive analysis of visual information

Buetti, S., Cronin, D. A., Madison, A. M., Wang, Z. & Lleras, A., Jun 1 2016, In : Journal of Experimental Psychology: General. 145, 6, p. 672-707 36 p.

Research output: Contribution to journalArticle

2014

Age-related differences in the distractor previewing effect with schematic faces of emotions

Wan, X., Tian, L. & Lleras, A., Jan 1 2014, In : Aging, Neuropsychology, and Cognition. 21, 4, p. 386-410 25 p.

Research output: Contribution to journalArticle

Emotions
Young Adult
History

Modeling the effect of selection history on pop-out visual search

Tseng, Y. C., Glaser, J. I., Caddigan, E. & Lleras, A., Mar 3 2014, In : PloS one. 9, 3, e89996.

Research output: Contribution to journalArticle

History
history
Color
color
Electric current control
Cognitive Neuroscience

Relative contributions of task-relevant and task-irrelevant dimensions in priming of pop-out

Michal, A. L., Lleras, A. & Beck, D. M., Jan 1 2014, In : Journal of vision. 14, 12, 14.

Research output: Contribution to journalArticle

Aptitude
Short-Term Memory
Color

The flanker effect does not reflect the processing of “task-irrelevant” stimuli: Evidence from inattentional blindness

Buetti, S., Lleras, A. & Moore, C. M., Oct 1 2014, In : Psychonomic Bulletin and Review. 21, 5, p. 1231-1237 7 p.

Research output: Contribution to journalArticle

Blindness
Terminology
Stimulus
Inattentional Blindness

The role of prediction in perception: Evidence from interrupted visual search

Mereu, S., Zacks, J. M., Kurby, C. A. & Lleras, A., Jan 1 2014, In : Journal of Experimental Psychology: Human Perception and Performance. 40, 4, p. 1372-1389 18 p.

Research output: Contribution to journalArticle

Data Display
Visual Perception
Aptitude
Prediction
Visual Search

Trial history effects in the ventral attentional network

Scalf, P. E., Ahn, J. W., Beck, D. M. & Lleras, A., Dec 20 2014, In : Journal of cognitive neuroscience. 26, 12, p. 2789-2797 9 p.

Research output: Contribution to journalArticle

History
Tanacetum
Neurophysiology
Magnetic Resonance Imaging
Task Performance and Analysis
2013

Feelings of control restore distorted time perception of emotionally charged events

Mereu, S. & Lleras, A., Jan 1 2013, In : Consciousness and Cognition. 22, 1, p. 306-314 9 p.

Research output: Contribution to journalArticle

Time Perception
Emotions
Arousal
Anxiety

Rewarding context accelerates implicit guidance in visual search

Tseng, Y. C. & Lleras, A., May 6 2013, In : Attention, Perception, and Psychophysics. 75, 2, p. 287-298 12 p.

Research output: Contribution to journalArticle

Reward
reward
penalty
Learning
learning
2012
Photic Stimulation
Consciousness
fluctuation
consciousness
Electroencephalography
Time Perception
Spiders
Arousal
Cognitive Dissonance
Fear
2011

Age-related effects in inter-trial inhibition of attention

Wan, X., Voss, M. & Lleras, A., Sep 1 2011, In : Aging, Neuropsychology, and Cognition. 18, 5, p. 562-576 15 p.

Research output: Contribution to journalArticle

Color
Young Adult
Inhibition (Psychology)
Attentional Bias

Brief and rare mental "breaks" keep you focused: Deactivation and reactivation of task goals preempt vigilance decrements

Ariga, A. & Lleras, A., Mar 1 2011, In : Cognition. 118, 3, p. 439-443 5 p.

Research output: Contribution to journalArticle

control system
activation
everyday life
resources
performance

Rapid resumption of interrupted search is independent of age-related improvements in visual search

Lleras, A., Porporino, M., Burack, J. A. & Enns, J. T., May 1 2011, In : Journal of Experimental Child Psychology. 109, 1, p. 58-72 15 p.

Research output: Contribution to journalArticle

Age Groups
Psychology
2010

Brief and rare mental " breaks" keep you focused: Deactivation and reactivation of task goals preempt vigilance decrements

Ariga, A. & Lleras, A., Mar 16 2010, In : Developmental cell. 18, 3, p. 439-443 5 p.

Research output: Contribution to journalArticle

Chemical activation
Switches
Control systems
Data storage equipment
preempt

Rescuing stimuli from invisibility: Inducing a momentary release from visual masking with pre-target entrainment

Mathewson, K. E., Fabiani, M., Gratton, G., Beck, D. M. & Lleras, A., Apr 1 2010, In : Cognition. 115, 1, p. 186-191 6 p.

Research output: Contribution to journalArticle

stimulus
Consciousness
consciousness
event
Masking

Saccadic repulsion in pop-out search: How a target's dodgy history can push the eyes away from it

Caddigan, E. & Lleras, A., Dec 1 2010, In : Journal of vision. 10, 14, p. 1-9 9 p.

Research output: Contribution to journalArticle

Eye Movements
History
Reaction Time
Saccades
Color

The effect of feature discriminability on the intertrial inhibition of focused attention

Wan, X. & Lleras, A., Jun 1 2010, In : Visual Cognition. 18, 6, p. 920-944 25 p.

Research output: Contribution to journalArticle

Color
Inhibition (Psychology)
Distractor
Attentional Bias
Experiment
2009

Covert shifts of attention function as an implicit aid to insight

Thomas, L. E. & Lleras, A., May 1 2009, In : Cognition. 111, 2, p. 168-174 7 p.

Research output: Contribution to journalArticle

Cognition
cognition
Eye Movements
Radiation
bulletin

Focused spatial attention is independent of rapid resumption of an interrupted search

Lleras, A. & Enns, J. T., Jan 1 2009, In : Attention, Perception, and Psychophysics. 71, 3, p. 565-577 13 p.

Research output: Contribution to journalArticle

Cues
experiment
Spatial Attention
Resumption
Experiment

Inhibitory tagging in an interrupted visual search

Thomas, L. E. & Lleras, A., Aug 1 2009, In : Attention, Perception, and Psychophysics. 71, 6, p. 1241-1250 10 p.

Research output: Contribution to journalArticle

Research
Visual Search
Tagging
stimulus
evidence

Past rejections lead to future misses: Selection-related inhibition produces blink-like misses of future (easily detectable) events

Lleras, A., Kawahara, J. I. & Levinthal, B. R., Mar 27 2009, In : Journal of vision. 9, 3, 26.

Research output: Contribution to journalArticle

Color

Swinging into thought: Directed movement guides insight in problem solving

Thomas, L. E. & Lleras, A., Aug 1 2009, In : Psychonomic Bulletin and Review. 16, 4, p. 719-723 5 p.

Research output: Contribution to journalArticle

Aptitude
Cognition
Problem Solving
Thought
Exercise
Attentional Blink
Costs and Cost Analysis
event
stimulus
costs
2008

Context-free inhibition: Attentional biases transfer strongly across temporal and spatial search tasks

Levinthal, B. R. & Lleras, A., Nov 26 2008, In : Visual Cognition. 16, 8, p. 1119-1123 5 p.

Research output: Contribution to journalArticle

Inhibition (Psychology)
Transfer (Psychology)
Attentional Bias

Electrophysiological evidence of feature-based inhibition of focused attention across consecutive trials

Shin, E., Wan, X. I., Fabiani, M., Gratton, G. & Lleras, A., Sep 1 2008, In : Psychophysiology. 45, 5, p. 804-811 8 p.

Research output: Contribution to journalArticle

Inter-trial inhibition of attention to features is modulated by task relevance

Levinthal, B. R. & Lleras, A., Nov 17 2008, In : Journal of vision. 8, 15, 12.

Research output: Contribution to journalArticle

Aptitude
Color
Inhibition (Psychology)
Attentional Bias

Intertrial inhibition of focused attention in pop-out search

Lleras, A., Kawahara, J. I., Wan, X. I. & Ariga, A., Jan 1 2008, In : Perception and Psychophysics. 70, 1, p. 114-131 18 p.

Research output: Contribution to journalArticle

Color
experiment
present
suppression
trend

What's next? New evidence for prediction in human vision

Enns, J. T. & Lleras, A., Sep 1 2008, In : Trends in Cognitive Sciences. 12, 9, p. 327-333 7 p.

Research output: Contribution to journalArticle

Neurophysiology
2007

A negative compatibility effect in priming of emotional faces

Bennett, J. D., Lleras, A., Oriet, C. & Enns, J. T., Jan 1 2007, In : Psychonomic Bulletin and Review. 14, 5, p. 908-912 5 p.

Research output: Contribution to journalArticle

Emotions
Emotion
Priming
Compatibility
Arrow

In sight, out of mind: The role of eye movements in the rapid resumption of visual search

Van Zoest, W., Lleras, A., Kingstone, A. & Enns, J. T., Jan 1 2007, In : Perception and Psychophysics. 69, 7, p. 1204-1217 14 p.

Research output: Contribution to journalArticle

REM Sleep
experiment
monitoring
Visual Search
Eye Movements

Moving eyes and moving thought: On the spatial compatibility between eye movements and cognition

Thomas, L. E. & Lleras, A., Jan 1 2007, In : Psychonomic Bulletin and Review. 14, 4, p. 663-668 6 p.

Research output: Contribution to journalArticle

Eye Movements
Cognition
Thought
Compatibility

No-Onset Looming Motion Guides Spatial Attention

von Mühlenen, A. & Lleras, A., Dec 1 2007, In : Journal of Experimental Psychology: Human Perception and Performance. 33, 6, p. 1297-1310 14 p.

Research output: Contribution to journalArticle

Onset
Spatial Attention
Stimulus
Vanishing Point
Arrow

The unique contributions of retinal size and perceived size on change detection

Levinthal, B. R. & Lleras, A., Jan 1 2007, In : Visual Cognition. 15, 1, p. 101-105 5 p.

Research output: Contribution to journalArticle

2006

Fruitful visual search: Inhibition of return in a virtual foraging task

Thomas, L. E., Ambinder, M. S., Hsieh, B., Levinthal, B., Crowell, J. A., Irwin, D. E., Kramer, A. F., Lleras, A., Simons, D. J. & Wang, R., Jan 1 2006, In : Psychonomic Bulletin and Review. 13, 5, p. 891-895 5 p.

Research output: Contribution to journalArticle

Fruit
Inhibition of Return
Visual Search
Foraging
Leaves

Induced visual fading of complex images

Simons, D. J., Lleras, A., Martinez-Conde, S., Slichter, D., Caddigan, E. & Nevarez, G., Sep 26 2006, In : Journal of vision. 6, 10, p. 1093-1101 9 p., 9.

Research output: Contribution to journalArticle

Research

What you see is what you get: Functional equivalence of a perceptually filled-in surface and a physically presented stimulus

Lleras, A. & Moore, C. M., Oct 1 2006, In : Psychological Science. 17, 10, p. 876-881 6 p.

Research output: Contribution to journalArticle

2005

On the role of object representations in substitution masking

Moore, C. M. & Lleras, A., Dec 1 2005, In : Journal of Experimental Psychology: Human Perception and Performance. 31, 6, p. 1171-1180 10 p.

Research output: Contribution to journalArticle

Masks
Color
Substitution
Masking
Object Representation
2004

Looking for the source of the Simon effect: Evidence of multiple codes

Lleras, A., Moore, C. M. & Toby Mordkoff, J., Jan 1 2004, In : American Journal of Psychology. 117, 4, p. 531-542 12 p.

Research output: Contribution to journalArticle

Locus