Alejandro Lleras, Professor of Psychology, Charles Eriksen Professorial Scholar &ndash; Research Output

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 journal › Article

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 journal › Article

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 journal › Article

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 journal › Article

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 journal › Article

Beta Rhythm

Attentional Blink

Consciousness

Rhythm

Can we "Apply" the findings of Forster and Lavie (2008)? On the generalizability of attentional capture effects under varying levels of perceptual load

Lleras, A., Chu, H. & Buetti, S., Jun 1 2017, In : Journal of Experimental Psychology: Applied. 23, 2, p. 158-179 22 p.

Research output: Contribution to journal › Article

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 journal › Article

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 journal › Article

2016

Avoidance or boredom: Negative mental health outcomes associated with use of Information and Communication Technologies depend on users' motivations

Panova, T. & Lleras, A., May 1 2016, In : Computers in Human Behavior. 58, p. 249-258 10 p.

Research output: Contribution to journal › Article

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 journal › Article

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 journal › Article

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 journal › Article

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 journal › Article

History

history

Color

color

Electric current control

Not all "distractor" tags are created equal: Using a search asymmetry to dissociate the inter-trial effects caused by different forms of distractors

Lleras, A. & Buetti, S., Jan 1 2014, In : Frontiers in Psychology. 5, JUN, 669.

Research output: Contribution to journal › Article

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 journal › Article

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 journal › Article

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 journal › Article

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 journal › Article

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 journal › Article

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 journal › Article

Reward

reward

penalty

Learning

learning

2012

Making waves in the stream of consciousness: Entraining oscillations in EEG alpha and fluctuations in visual awareness with rhythmic visual stimulation

Mathewson, K. E., Prudhomme, C., Fabiani, M., Beck, D. M., Lleras, A. & Gratton, G., Dec 1 2012, In : Journal of Cognitive Neuroscience. 24, 12, p. 2321-2333 13 p.

Research output: Contribution to journal › Article

Photic Stimulation

Consciousness

fluctuation

consciousness

Electroencephalography

Perceiving control over aversive and fearful events can alter how we experience those events: An investigation of time perception in spider-fearful individuals

Buetti, S. & Lleras, A., Oct 9 2012, In : Frontiers in Psychology. 3, SEP, Article 337.

Research output: Contribution to journal › Article

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 journal › Article

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 journal › Article

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 journal › Article

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 journal › Article

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 journal › Article

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 journal › Article

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 journal › Article

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 journal › Article

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 journal › Article

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 journal › Article

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 journal › Article

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 journal › Article

Aptitude

Cognition

Problem Solving

Thought

Exercise

Temporal tuning and attentional gating: Two distinct attentional mechanisms on the perception of rapid serial visual events

Ambinder, M. S. & Lleras, A., Dec 1 2009, In : Attention, Perception, and Psychophysics. 71, 7, p. 1495-1506 12 p.

Research output: Contribution to journal › Article

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 journal › Article

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 journal › Article

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 journal › Article

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 journal › Article

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 journal › Article

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 journal › Article

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 journal › Article

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 journal › Article

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 journal › Article

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 journal › Article

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 journal › Article

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 journal › Article

Research