CALM LAB
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PROJECTS

Research areas and ongoing lines of work in the CALM Lab.

The CALM Lab’s research is organized around three interconnected areas that together aim to understand attention across contexts of life and mind.

Cognitive Mechanisms

How do differences in the ability to control attention relate to cognition and well-being?

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Neural Mechanisms

What are the neural mechanisms underlying the ability to control attention?

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Mindfulness

How do mindfulness and contemplative practices strengthen attention control and well-being?

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Individual Differences and Cognitive Mechanisms

How do differences in the ability to control attention relate to cognition and well-being?

People differ in their ability to control attention, and these differences are a fundamental aspect of human cognition. We investigate how individual differences in attention control play a role in shaping our perception, memory, reasoning, and well-being.


The measurement of attention control forms a fundamental part of our research in this area. We investigate how to best measure attention control, including the development of new tasks and approaches to measuring attention control in the lab and in real-world contexts.

View and Download Attention Tasks →


The ability to sustain the control of attention over time is a critical aspect of attention control. Using behavioral, physiological, and self-report measures, we examine how this ability varies across individuals and contexts.

Publications

Preprint
PsyArxiv

Sustaining the focus of attention and how it relates to performance in complex cognitive tasks

Tsukahara & Engle
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2025
International Journal of Selection and Assessment

Attention control measures improve the prediction of performance in Navy trainees

Burgoyne, Mashburn, Tsukahara, Pak, Coyne, Foroughi, Sibley, Drollinger, & Engle
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2025
Frontiers in Psychology

Climate anxiety impairs sustained attention: Objective evidence of a cognitive cost

Denkova, Tardibuono, Tsukahara, Zanesco, & Jha
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2025
Frontiers in Cognition

Examining the association between vigilance and mind wandering

Schwartzman, Zanesco, Denkova, Tsukahara, & Jha
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2025
Journal of Experimental Psychology: General

Faster, smarter, and more attentive: The control of attention is about more than just conflict resolution

Tsukahara, Mashburn, Campbell, & Engle
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2024
Intelligence

Knowledge, attention, and psychomotor ability: A latent variable approach to understanding individual differences in simulated work performance

Mashburn, Burgoyne, Tsukahara, Pak, Coyne, Sibley, Foroughi, & Engle
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2023
Behavior Research Methods

Replication and extension of the toolbox approach to measuring attention control

Draheim, Tsukahara, & Engle
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2023
Journal of Experimental Psychology: General

Nature and measurement of attention control

Burgoyne, Tsukahara, Mashburn, & Engle
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2022
The Cambridge Handbook of Working Memory and Language

Measuring individual differences in working memory capacity and attention control and their contribution to language comprehension

Burgoyne, Martin, Mashburn, Tsukahara, Draheim, & Engle
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2022
Intelligence

Attention control and process overlap theory: Searching for cognitive processes underpinning the positive manifold

Burgoyne, Mashburn, Tsukahara, & Engle
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2021
Thinking and Reasoning

Understanding the relationship between rationality and intelligence: A latent-variable approach

Burgoyne, Mashburn, Tsukahara, Hambrick, & Engle
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2021
Journal of Experimental Psychology: General

The visual arrays task: Visual storage capacity or attention control?

Martin, Tsukahara, Draheim, Shipstead, Mashburn, Vogel, & Engle
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2021
Journal of Experimental Psychology: General

A toolbox approach to improving the measurement of attention control

Draheim, Tsukahara, Martin, Mashburn, & Engle
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2020
Learning and Motivation

Differential and experimental approaches to studying intelligence in humans and non-human animals

Burgoyne, Tsukahara, & Engle
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2020
Working memory: The state of the science

Individual differences in attention control: Implications for the relationship between working memory capacity and fluid intelligence

Mashburn, Tsukahara, & Engle
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2020
Attention, Perception, and Psychophysics

Attention control: The missing link between sensory discrimination and intelligence

Tsukahara, Harrison, Draheim, Martin, & Engle
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Neural Mechanisms

What are the neural mechanisms underlying the ability to control attention?

We investigate the neural mechanisms underlying attention control, including the role of large-scale brain networks and their interactions.

A key focus of our research in this area is the role of the locus coeruleus-norepinephrine (LC-NE) system in attention control. We use a combination of behavioral, physiological, and neuroimaging methods to investigate how the LC-NE system contributes to attention control and how it interacts with large-scale brain networks.

Publications

2026
Proceedings for the National Academy of Sciences

Attention control ability is associated with frontoparietal control network interactions

Seeburger, Tsukahara, Xu, Ahluwalia, Keilholz, & Engle
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2026
Cognitive Neuroscience

Catching the drift: EEG microstate dynamics resemble time‑on‑task changes in sustained attention and mind wandering

Tsukahara, Zanesco, Schwartzman, Denkova, & Jha
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2021
Proceedings of the National Academy of Sciences

Fluid intelligence and the locus coeruleus-norepinephrine system

Tsukahara & Engle
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2021
Cognition

Baseline pupil size is related to fluid intelligence: A reply to Unsworth et al. (2021)

Tsukahara, Draheim, & Engle
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2021
Scientific American Mind

Pupil Size Is a Marker of Intelligence

Tsukahara, Burgoyne, & Engle
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2021
Cognition

Is baseline pupil size related to cognitive ability? Yes (under proper lighting conditions)

Tsukahara & Engle
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2021
International Journal of Psychophysiology

Transcutaneous vagus nerve stimulation via tragus or cymba conchae: Are its psychophysiological effects dependent on the stimulation area?

Borges, Pfannenstiel, Tsukahara, Laborde, Klatt, & Raab
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2016
Cognitive Psychology

The relationship between baseline pupil size and intelligence

Tsukahara, Harrison, & Engle
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Mindfulness and Contemplative Practices

How do mindfulness and contemplative practices strengthen attention control and well-being?

Mindfulness and related contemplative practices have been shown to influence attention, cognitive performance, and resilience. We investigate how these practices can strengthen attention control and promote well-being.

Publications

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CALM Lab · Department of Psychology · University of North Carolina Wilmington
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