Michael Trumbo
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View article: Single-trial classification of evoked responses to auditory tones using OPM- and SQUID-MEG
Single-trial classification of evoked responses to auditory tones using OPM- and SQUID-MEG Open
Objective. Optically pumped magnetometers (OPMs) are emerging as a near-room-temperature alternative to superconducting quantum interference devices (SQUIDs) for magnetoencephalography (MEG). In contrast to SQUIDs, OPMs can be placed in a …
View article: Numerical and Visual Representations of Uncertainty Lead to Different Patterns of Decision Making
Numerical and Visual Representations of Uncertainty Lead to Different Patterns of Decision Making Open
Although visualizations are a useful tool for helping people to understand information, they can also have unintended effects on human cognition. This is especially true for uncertain information, which is difficult for people to understan…
View article: Closed-Loop tACS Delivered during Slow-Wave Sleep Reduces Retroactive Interference on a Paired-Associates Learning Task
Closed-Loop tACS Delivered during Slow-Wave Sleep Reduces Retroactive Interference on a Paired-Associates Learning Task Open
Previous studies have found a benefit of closed-loop transcranial alternating current stimulation (CL-tACS) matched to ongoing slow-wave oscillations (SWO) during sleep on memory consolidation for words in a paired associates task (PAT). H…
View article: The Impact of Specificity on Human Interpretations of State Uncertainty
The Impact of Specificity on Human Interpretations of State Uncertainty Open
The goal of this project was test how different representations of state uncertainty impact human decision making. Across a series of experiments, we sought to answer fundamental questions about human cognitive biases and how they are impa…
View article: Investigating the brain regions involved in tDCS-Enhanced category learning using finite element modeling
Investigating the brain regions involved in tDCS-Enhanced category learning using finite element modeling Open
Transcranial direct current stimulation (tDCS) influences performance in many cognitive domains. However, the question of which brain networks are involved in these effects is rarely examined. In prior experiments we identified tDCS protoc…
View article: Assessing Cognitive Impacts of Errors from Machine Learning and Deep Learning Models: Final Report
Assessing Cognitive Impacts of Errors from Machine Learning and Deep Learning Models: Final Report Open
Due to their recent increases in performance, machine learning and deep learning models are being increasingly adopted across many domains for visual processing tasks. One such domain is international nuclear safeguards, which seeks to ver…
View article: Is the testing effect ready to be put to work? Evidence from the laboratory to the classroom.
Is the testing effect ready to be put to work? Evidence from the laboratory to the classroom. Open
The testing effect refers to the benefits to retention that result from structuring learning activities in the form of a test. As educators consider implementing test-enhanced learning paradigms in real classroom environments, we think it …
View article: Transcranial Direct Current Stimulation (tDCS) Improves Empathy and Recognition of Facial Emotions Conveying Threat in Adults with Autism Spectrum Disorder (ASD): A Randomized Controlled Pilot Study
Transcranial Direct Current Stimulation (tDCS) Improves Empathy and Recognition of Facial Emotions Conveying Threat in Adults with Autism Spectrum Disorder (ASD): A Randomized Controlled Pilot Study Open
Introduction: Empathy is critical for human interactions to become shared and meaningful, and it is facilitated by the expression and processing of facial emotions. Deficits in empathy and facial emotion recognition are associated with ind…
View article: Applying Compression-Based Metrics to Seismic Data in Support of Global Nuclear Explosion Monitoring
Applying Compression-Based Metrics to Seismic Data in Support of Global Nuclear Explosion Monitoring Open
The analysis of seismic data for evidence of possible nuclear explosion testing is a critical global security mission that relies heavily on human expertise to identify and mark seismic signals embedded in background noise. To assist analy…
View article: The Tularosa Study: An Experimental Design and Implementation to Quantify the Effectiveness of Cyber Deception
The Tularosa Study: An Experimental Design and Implementation to Quantify the Effectiveness of Cyber Deception Open
The Tularosa study was designed to understand how defensive deception--including both cyber and psychological--affects cyber attackers. Over 130 red teamers participated in a network penetration task over two days in which we controlled bo…
View article: Patterns of Analyst Attention
Patterns of Analyst Attention Open
This report describes a seedling project in which we developed experimental paradigms for studying patterns of analyst attention to streaming data. The project identified key structure features that can be used to generate appropriate stim…
View article: Mindfulness-based training with transcranial direct current stimulation modulates neuronal resource allocation in working memory: A randomized pilot study with a nonequivalent control group
Mindfulness-based training with transcranial direct current stimulation modulates neuronal resource allocation in working memory: A randomized pilot study with a nonequivalent control group Open
Mindfulness-based training (MBT) and transcranial electrical stimulation (TES) methods such as direct current stimulation (tDCS) have demonstrated promise for the augmentation of cognitive abilities. The current study investigated the pote…
View article: Differential Age Effects of Transcranial Direct Current Stimulation on Associative Memory
Differential Age Effects of Transcranial Direct Current Stimulation on Associative Memory Open
Objectives Older adults experience associative memory deficits relative to younger adults (Old & Naveh-Benjamin, 2008). The aim of this study was to test the effect of transcranial direct current stimulation (tDCS) on face-name associative…
View article: Effects of reinforcement on test-enhanced learning in a large, diverse introductory college psychology course.
Effects of reinforcement on test-enhanced learning in a large, diverse introductory college psychology course. Open
A robust finding within laboratory research is that structuring information as a test confers benefit on long-term retention-referred to as the testing effect. Although well characterized in laboratory environments, the testing effect has …