Adam C. Lammert
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View article: Subject Instructions for Improved Characterization of Auditory Representations Using Reverse Correlation
Subject Instructions for Improved Characterization of Auditory Representations Using Reverse Correlation Open
Reverse Correlation (RC) is an established method for reconstructing auditory representations, that has recently emerged as a tool for characterizing the sounds experienced by tinnitus patients. Toward further optimizing RC for auditory re…
View article: Reverse Correlation Characterizes More Complete Tinnitus Spectra in Patients
Reverse Correlation Characterizes More Complete Tinnitus Spectra in Patients Open
Goal: We validate a recent reverse correlation approach to tinnitus characterization by applying it to individuals with clinically-diagnosed tinnitus. Methods: Two tinnitus patients assessed the subjective similarity of their non-tonal tin…
A compressive sensing approach for inferring cognitive representations with reverse correlation Open
Uncovering cognitive representations is an elusive goal that is increasingly pursued using the reverse correlation method, wherein human subjects make judgments about ambiguous stimuli. Employing reverse correlation often entails collectin…
View article: Reverse Correlation Characterizes More Complete Tinnitus Spectra in Patients
Reverse Correlation Characterizes More Complete Tinnitus Spectra in Patients Open
Goal We validate a recent reverse correlation approach to tinnitus characterization by applying it to individuals with clinically-diagnosed tinnitus. Methods Two tinnitus patients assessed the subjective similarity of their non-tonal tinni…
Masking Kernel for Learning Energy-Efficient Representations for Speaker Recognition and Mobile Health Open
Modern smartphones possess hardware for audio acquisition and to perform speech processing tasks such as speaker recognition and health assessment. However, energy consumption remains a concern, especially for resource-intensive DNNs. Prio…
ADL-GAN: Data Augmentation to Improve In-the-Wild ADL Recognition Using GANs Open
The types of Activities of Daily Living (ADL) a person performs or avoids, and underlying patterns can provide insights into physical and mental health, making passive ADL recognition from smartphone sensor data important. However, as peop…
View article: Reverse Correlation Uncovers More Complete Tinnitus Spectra
Reverse Correlation Uncovers More Complete Tinnitus Spectra Open
Goal: This study validates an approach to characterizing the sounds experienced by tinnitus patients via reverse correlation, with potential for characterizing a wider range of sounds than currently possible. Methods: Ten normal-hearing su…
View article: Reverse Correlation Uncovers More Complete Tinnitus Spectra
Reverse Correlation Uncovers More Complete Tinnitus Spectra Open
Goal This study validates an approach to characterizing the sounds experienced by tinnitus patients via reverse correlation, with potential for characterizing a wider range of sounds than currently possible. Methods Ten normal-hearing subj…
View article: Longitudinal Acoustic Speech Tracking Following Pediatric Traumatic Brain Injury
Longitudinal Acoustic Speech Tracking Following Pediatric Traumatic Brain Injury Open
Recommendations for common outcome measures following pediatric traumatic brain injury (TBI) support the integration of instrumental measurements alongside perceptual assessment in recovery and treatment plans. A comprehensive set of sensi…
Stimulus whitening improves the efficiency of reverse correlation Open
Human perception depends upon internal representations of the environment that help to organize the raw information available from the senses by acting as reference patterns. Internal representations are widely characterized using reverse …
Stimulus Whitening Improves the Efficiency of Reverse Correlation Open
Human perception depends upon internal representations of the environment that help to organize the raw information available from the senses by acting as reference patterns. Internal representations are widely characterized using reverse …
Validation of an Acoustic-Based Framework of Speech Motor Control: Assessing Criterion and Construct Validity Using Kinematic and Perceptual Measures Open
Purpose: This study investigated the criterion (analytical and clinical) and construct (divergent) validity of a novel, acoustic-based framework composed of five key components of motor control: Coordination, Consistency, Speed, Precision,…
A Compressive Sensing Approach for Inferring Cognitive Representations with Reverse Correlation Open
Uncovering high-level cognitive representations of categories such as faces is an elusive goal that has been frequently sought using reverse correlation, a technique employed in fields ranging from neurophysiology to cognitive psychology. …
Dark tone quality and vocal tract shaping in soprano song production: Insights from real-time MRI Open
Tone quality termed “dark” is an aesthetically important property of Western classical voice performance and has been associated with lowered formant frequencies, lowered larynx, and widened pharynx. The present study uses real-time magnet…
Privacy-Preserving Deep Speaker Separation for Smartphone-Based Passive Speech Assessment Open
Goal: Smartphones can be used to passively assess and monitor patients' speech impairments caused by ailments such as Parkinson's disease, Traumatic Brain Injury (TBI), Post-Traumatic Stress Disorder (PTSD) and neurodegenerative diseases s…
Predicting Cognitive Load and Operational Performance in a Simulated Marksmanship Task Open
Modern operational environments can place significant demands on a service member's cognitive resources, increasing the risk of errors or mishaps due to overburden. The ability to monitor cognitive burden and associated performance within …
Audio, Visual, and Electrodermal Arousal Signals as Predictors of Mental Fatigue Following Sustained Cognitive Work Open
Lapses in vigilance and slowed reactions due to mental fatigue can increase risk of accidents and injuries and degrade performance. This paper describes a method for rapid, unobtrusive detection of mental fatigue based on changes in electr…