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Browsing MIT Open Access Articles by Author "Brown, Emery N."

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Browsing MIT Open Access Articles by Author "Brown, Emery N."

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  • Taylor, Norman E.; Chemali, Jessica J.; Brown, Emery N.; Solt, Ken (Ovid Technologies (Wolters Kluwer) - Lippincott Williams & Wilkins, 2013-01)
    Background: A recent study showed that methylphenidate induces emergence from isoflurane anesthesia. Methylphenidate inhibits dopamine and norepinephrine reuptake transporters. The objective of this study was to test the ...
  • Chemali, Jessica J.; Van Dort, Christa J.; Brown, Emery N.; Solt, Ken (Ovid Technologies (Wolters Kluwer) - Lippincott Williams & Wilkins, 2012-05)
    Background: A recent study showed that methylphenidate induces emergence from isoflurane general anesthesia. Isoflurane and propofol are general anesthetics that may have distinct molecular mechanisms of action. The objective ...
  • Song, Weiguo; Cajigas, Iahn; Brown, Emery N.; Giszter, Simon F. (Frontiers Research Foundation, 2015-04)
    Currently little is known about how a mechanically coupled BMI system's actions are integrated into ongoing body dynamics. We tested a locomotor task augmented with a BMI system driving a robot mechanically interacting ...
  • Zhang, Quan; Brown, Emery N.; Strangman, Gary E. (SPIE, 2007-07)
    The sensitivity of near-infrared spectroscopy (NIRS) to evoked brain activity is reduced by physiological interference in at least two locations: 1. the superficial scalp and skull layers, and 2. in brain tissue itself. ...
  • Zhang, Quan; Brown, Emery N.; Strangman, Gary E. (SPIE, 2007-11)
    Following previous Monte Carlo simulations, we describe in detail an example of detecting evoked visual hemodynamic responses in a human subject as a preliminary demonstration of the novel global interference cancellation ...
  • Cornelissen, Laura; Kim, Seong-Eun; Purdon, Patrick L.; Brown, Emery N.; Berde, Charles B. (eLife Sciences Publications, Ltd., 2015-06)
    Electroencephalogram (EEG) approaches may provide important information about developmental changes in brain-state dynamics during general anesthesia. We used multi-electrode EEG, analyzed with multitaper spectral methods ...
  • Ba, Demba; Temereanca, Simona; Brown, Emery N. (Frontiers Research Foundation, 2014-02)
    Understanding how ensembles of neurons represent and transmit information in the patterns of their joint spiking activity is a fundamental question in computational neuroscience. At present, analyses of spiking activity ...
  • Chen, Zhe; Vijayan, Sujith; Ching, ShiNung; Hale, Gregory John; Flores Plaza, Francisco Javier; Wilson, Matthew A.; Brown, Emery N. (Institute of Electrical and Electronics Engineers, 2011-08)
    Understanding the way in which groups of cortical neurons change their individual and mutual firing activity during the induction of general anesthesia may improve the safe usage of many anesthetic agents. Assessing neuronal ...
  • Chen, Zhe; Brown, Emery N.; Barbieri, Riccardo (Institute of Electrical and Electronics Engineers, 2009-06)
    Tracking the autonomic control and respiratory sinus arrhythmia (RSA) from electrocardiogram and respiratory measurements is an important problem in cardiovascular control. We propose a point process adaptive filter algorithm ...
  • Pierce, Eric T.; Harrell, P. Grace; Chen, Zhe; Purdon, Patrick Lee; Brown, Emery N.; Barbieri, Riccardo (Institute of Electrical and Electronics Engineers, 2009-05)
    Evaluation of baroreflex control of heart rate (HR) has important implications in clinical practice of anesthesia and postoperative care. In this paper, we present a point process method to assess the dynamic baroreflex ...
  • Indic, Premananda; Bloch-Salisbury, Elisabeth; Bednarek, Frank; Brown, Emery N.; Paydarfar, David; Barbieri, Riccardo (Elsevier, 2011-07)
    Background: Cardio-respiratory interactions are weak at the earliest stages of human development, suggesting that assessment of their presence and integrity may be an important indicator of development in infants. Despite ...
  • Cajigas, Iahn; Goldsmith, Mary T.; Duschau-Wicke, Alexander; Riener, Robert; Smith, Maurice A.; Brown, Emery N.; Bonato, Paolo (Institute of Electrical and Electronics Engineers, 2010-08)
    Lower extremity rehabilitation has seen recent increased interest. New tools are available to improve gait retraining in both adults and children. However, it remains difficult to determine optimal ways to plan interventions ...
  • Akeju, Oluwaseun; Brown, Emery N. (eLife Sciences Publications, Ltd., 2013-11)
    Characteristic changes in brain activity accompany the paradoxical increase in alertness observed in some patients with severe brain injury when they are treated with the sleeping pill zolpidem.
  • Purdon, Patrick Lee; Brown, Emery N.; Wong, Kin Foon Kevin; Smith, Anne C.; Pierce, Eric T.; Harrell, P. Grace; Walsh, John L.; Salazar, Andres Felipe; Tavares, Casie L.; Cimenser, Aylin; Prerau, Michael J.; Mukamel, Eran A.; Sampson, Aaron (Institute of Electrical and Electronics Engineers (IEEE), 2011-08)
    Accurate quantification of loss of response to external stimuli is essential for understanding the mechanisms of loss of consciousness under general anesthesia. We present a new approach for quantifying three possible ...
  • Smith, Anne C.; Shah, Sudhin A.; Hudson, Andrew E.; Purpura, Keith P.; Victor, Jonathan D.; Brown, Emery N.; Schiff, Nicholas D. (Elsevier, 2009-10)
    Deep brain stimulation (DBS) is an established therapy for Parkinson's Disease and is being investigated as a treatment for chronic depression, obsessive compulsive disorder and for facilitating functional recovery of ...
  • Sampson, A. L.; Mukamel, Eran A.; Babadi, Behtash; Prerau, Michael J.; Brown, Emery N.; Purdon, Patrick Lee (Institute of Electrical and Electronics Engineers (IEEE), 2012-08)
    Phase-amplitude modulation is a form of cross frequency coupling where the phase of one frequency influences the amplitude of another higher frequency. It has been observed in neurophysiological recordings during sensory, ...
  • Vijayan, Sujith; Ching, ShiNung; Brown, Emery N.; Kopell, Nancy J.; Purdon, Patrick Lee (Institute of Electrical and Electronics Engineers (IEEE), 2013-11)
    During the induction of general anesthesia there is a shift in power from the posterior regions of the brain to the frontal cortices; this shift in power is called anteriorization. For many anesthetics, a prominent feature ...
  • Jorgenson, Lyric A.; Newsome, William T.; Anderson, David J.; Bargmann, Cornelia I.; Brown, Emery N.; Deisseroth, Karl; Donoghue, John P.; Hudson, Kathy L.; Ling, Geoffrey S. F.; MacLeish, Peter R.; Marder, Eve; Normann, Richard A.; Sanes, Joshua R.; Schnitzer, Mark J.; Sejnowski, Terrence J.; Tank, David W.; Tsien, Roger Y.; Ugurbil, Kamil; Wingfield, John C. (Royal Society, 2015-03)
    The evolution of the field of neuroscience has been propelled by the advent of novel technological capabilities, and the pace at which these capabilities are being developed has accelerated dramatically in the past decade. ...
  • Shanechi, Maryam M.; Chemali, Jessica J.; Liberman, Max; Solt, Ken; Brown, Emery N. (Public Library of Science, 2013-10)
    Medically-induced coma is a drug-induced state of profound brain inactivation and unconsciousness used to treat refractory intracranial hypertension and to manage treatment-resistant epilepsy. The state of coma is achieved ...
  • Chemali, Jessica J.; Ching, ShiNung; Solt, Ken; Purdon, Patrick Lee; Brown, Emery N. (IOP Publishing, 2013-09)
    Objective. Burst suppression is an electroencephalogram pattern in which bursts of electrical activity alternate with an isoelectric state. This pattern is commonly seen in states of severely reduced brain activity such ...
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