Search Results - "Levendowski, Daniel"

The Accuracy, Night-to-Night Variability, and Stability of Frontopolar Sleep Electroencephalography Biomarkers by Levendowski, Daniel J, Ferini-Strambi, Luigi, Gamaldo, Charlene, Cetel, Mindy, Rosenberg, Robert, Westbrook, Philip R

“…To assess the validity of sleep architecture and sleep continuity biomarkers obtained from a portable, multichannel forehead electroencephalography (EEG)…”
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Scoring accuracy of automated sleep staging from a bipolar electroocular recording compared to manual scoring by multiple raters by Stepnowsky, Carl, Levendowski, Daniel, Popovic, Djordje, Ayappa, Indu, Rapoport, David M

“…Abstract Objectives Electroencephalography (EEG) assessment in research and clinical studies is limited by the patient burden of multiple electrodes and the…”
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A systematic comparison of factors that could impact treatment recommendations for patients with Positional Obstructive Sleep Apnea (POSA) by Levendowski, Daniel J., Oksenberg, Arie, Vicini, Claudio, Penzel, Thomas, Levi, Mark, Westbrook, Philip R.

“…Systematically compare four criteria for Positional Obstructive Sleep Apnea (POSA) based on AASM 2007 and 2012 hypopnea scoring definitions. 142 records…”
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Assessment of a neck-based treatment and monitoring device for positional obstructive sleep apnea by Levendowski, Daniel J, Seagraves, Sean, Popovic, Djordje, Westbrook, Philip R

“…A majority of patients diagnosed with obstructive sleep apnea are position dependent whereby they are at least twice as severe when sleeping supine (POSA)…”
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Head Position During Sleep: Potential Implications for Patients with Neurodegenerative Disease by Levendowski, Daniel J, Gamaldo, Charlene, St Louis, Erik K, Ferini-Strambi, Luigi, Hamilton, Joanne M, Salat, David, Westbrook, Philip R, Berka, Chris

“…The characterization of sleep in those with neurodegenerative disease (NDD) is essential in understanding the potential neurobiological mechanisms that…”
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Autonomic dysregulation during sleep in Parkinsonian spectrum disorders - A proof of concept by Cho, Yeilim, Levendowski, Daniel J, Walsh, Christine M, Tsuang, Debby, Lee-Iannotti, Joyce K, Berka, Chris, Mazeika, Gandis, Salat, David, Hamilton, Joanne M, Boeve, Bradley F, Neylan, Thomas C, St Louis, Erik K

“…Autonomic dysfunction is common in α-synucleinopathies such as Lewy Body dementias (LBD), Parkinson's disease (PD), and isolated REM Sleep Behavior Disorder…”
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Drowsiness/alertness algorithm development and validation using synchronized EEG and cognitive performance to individualize a generalized model by Johnson, Robin R., Popovic, Djordje P., Olmstead, Richard E., Stikic, Maja, Levendowski, Daniel J., Berka, Chris

“…► In this study a drowsiness–alertness continuum algorithm was developed. ► The algorithm was validated across multiple individuals ( n = 160) and multiple…”
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Non-REM sleep with hypertonia in Parkinsonian Spectrum Disorders: A pilot investigation by Levendowski, Daniel J., Walsh, Christine M., Boeve, Bradley F., Tsuang, Debby, Hamilton, Joanne M., Salat, David, Berka, Chris, Lee-Iannotti, Joyce K., Shprecher, David, Westbrook, Philip R., Mazeika, Gandis, Yack, Leslie, Payne, Sarah, Timm, Paul C., Neylan, Thomas C., St. Louis, Erik K.

“…From an ongoing multicenter effort toward differentiation of Parkinsonian spectrum disorders (PSD) from other types of neurodegenerative disorders, the sleep…”
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Proof-of-concept for characterization of neurodegenerative disorders utilizing two non-REM sleep biomarkers by Levendowski, Daniel J, Neylan, Thomas C, Walsh, Christine M, Tsuang, Debby, Salat, David, Hamilton, Joanne M, Lee-Iannotti, Joyce K, Berka, Chris, Mazeika, Gandis, Boeve, Bradley F, St Louis, Erik K

“…This proof-of-concept study aimed to determine whether the combined features of two non-rapid eye movement (NREM) sleep biomarkers acquired predominantly…”
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Criteria for oral appliance and/or supine avoidance therapy selection based on outcome optimization and cost-effectiveness by Levendowski, Daniel J, Olmstead, Richard, Sall, Edward, Westbrook, Philip R, Beine, Bretton, Munafo, Dominic

“…Produce empirical support for further enhancements to a therapy selection protocol for obstructive sleep apnea (OSA) patients intolerant of positive airway…”
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Capability of a neck worn device to measure sleep/wake, airway position, and differentiate benign snoring from obstructive sleep apnea by Levendowski, Daniel J., Veljkovic, Bratislav, Seagraves, Sean, Westbrook, Philip R.

“…To evaluate the accuracy of a neck-worn device in measuring sleep/wake, detecting supine airway position, and using loud snoring to screen for obstructive…”
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Assessment of the test–retest reliability of laboratory polysomnography by Levendowski, Daniel J., Zack, Nadene, Rao, Srini, Wong, Keith, Gendreau, Michael, Kranzler, Jay, Zavora, Timothy, Westbrook, Philip R.

“…Statement of the problem When conducting a treatment intervention study, it is assumed that a level of reliability can be obtained from the measurement tool…”
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Retrospective cross-validation of automated sleep staging using electroocular recording in patients with and without sleep disordered breathing by Levendowski, Daniel J, Popovic, Djordje, Berka, Chris, Westbrook, Philip R

“…Alterations of sleep duration and architecture have been associated with increased morbidity and mortality, and specifically linked to chronic cardiovascular…”
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A comparison between auto-scored apnea-hypopnea index and oxygen desaturation index in the characterization of positional obstructive sleep apnea by Levendowski, Daniel J, Hamilton, Garun S, St Louis, Erik K, Penzel, Thomas, Dawson, David, Westbrook, Philip R

“…Evaluate the concordance between overall and positional oxygen desaturation indices (ODI) and apnea-hypopnea indices (AHI) according to two different…”
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The Accuracy and Reliability of Sleep Staging and Sleep Biomarkers in Patients with Isolated Rapid Eye Movement Sleep Behavior Disorder by Levendowski, Daniel J, Neylan, Thomas C, Lee-Iannotti, Joyce K, Timm, Paul C, Guevarra, Cyrus, Angel, Elise, Shprecher, David, Mazeika, Gandis, Walsh, Christine M, Boeve, Bradley F, St Louis, Erik K

“…This study aimed to establish the diagnostic accuracy of a previously validated sleep staging system in patients with probable isolated REM sleep behavior…”
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Description and validation of the apnea risk evaluation system: a novel method to diagnose sleep apnea-hypopnea in the home by Westbrook, Philip R, Levendowski, Daniel J, Cvetinovic, Milenko, Zavora, Timothy, Velimirovic, Vladislav, Henninger, Delmer, Nicholson, Dennis

“…To evaluate the accuracy and practicality of the Apnea Risk Evaluation System (ARES; Advanced Brain Monitoring; Carlsbad, CA), a limited-channel system for…”
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Modeling temporal sequences of cognitive state changes based on a combination of EEG-engagement, EEG-workload, and heart rate metrics by Stikic, Maja, Berka, Chris, Levendowski, Daniel J, Rubio, Roberto F, Tan, Veasna, Korszen, Stephanie, Barba, Douglas, Wurzer, David

“…The objective of this study was to investigate the feasibility of physiological metrics such as ECG-derived heart rate and EEG-derived cognitive workload and…”
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EEG-derived estimators of present and future cognitive performance by Stikic, Maja, Johnson, Robin R, Levendowski, Daniel J, Popovic, Djordje P, Olmstead, Richard E, Berka, Chris

“…Previous electroencephalography (EEG)-based fatigue-related research primarily focused on the association between concurrent cognitive performance and…”
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Real-Time Analysis of EEG Indexes of Alertness, Cognition, and Memory Acquired With a Wireless EEG Headset by Berka, Chris, Levendowski, Daniel J., Cvetinovic, Milenko M., Petrovic, Miroslav M., Davis, Gene, Lumicao, Michelle N., Zivkovic, Vladimir T., Popovic, Miodrag V., Olmstead, Richard

“…The integration of brain monitoring into the man-machine interface holds great promise for real-time assessment of operator status and intelligent allocation…”
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Comparison of EMG power during sleep from the submental and frontalis muscles by Levendowski, Daniel J, St Louis, Erik K, Strambi, Luigi Ferini, Galbiati, Andrea, Westbrook, Philip, Berka, Chris

“…Submentalis electromyography ( EMG) and frontalis electromyography ( EMG) muscle activities have been used to assist in the staging of sleep and detection of…”
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