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    Neuronal correlates of serial decision-making in the supplementary eye field 

    Abzug, Zachary Mitchell; Sommer, Marc A
    Human behavior is influenced by serial decision-making: past decisions affect choices that set the context for selecting future options. A primate brain region that may be involved in linking decisions across time is the ...
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    Sensorimotor learning during a marksmanship task in immersive virtual reality 

    Appelbaum, Lawrence Gregory; Clements, Jillian; Khanna, Rajan; Kopper, Regis; Lu, Yvonne; Potter, Nicholas; Rao, Hrishikesh; ... (9 authors) (Frontiers in Psychology, 2018-02-06)
    Sensorimotor learning refers to improvements that occur through practice in the performance of sensory-guided motor behaviors. Leveraging novel technical capabilities of an immersive virtual environment, we probed the component ...
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    Probabilistic inferential decision-making under time pressure in rhesus macaques (Macaca mulatta) 

    Sommer, Marc; Toader, Andrew; Rao, Hrishikesh; Ryoo, Minyoung; Bohlen, Martin; Cruger, Jessi; Oh-Descher, Hanna; ... (11 authors)
    Decisions often involve the consideration of multiple cues, each of which may inform selection on the basis of learned probabilities. Our ability to use probabilistic inference for decisions is bounded by uncertainty and ...
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    An experimental and computational framework for modeling multi-muscle responses to transcranial magnetic stimulation of the human motor cortex. 

    Sommer, Marc; Yarossi, M; Quivira, F; Dannauer, M; Brooks, D; Erdogmus, D; Tunik, E
    Current knowledge of coordinated motor control of multiple muscles is derived primarily from invasive stimulation-recording techniques in animal models. Similar studies are not generally feasible in humans, so a modeling ...
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    Exploring the effects of image persistence in low frame rate virtual environments 

    Kopper, Regis; Rao, Hrishikesh; Sommer, Marc A; Zielinski, David (2015 IEEE Virtual Reality Conference, VR 2015 - Proceedings, 2015-08-25)
    © 2015 IEEE.In virtual reality applications, there is an aim to provide real time graphics which run at high refresh rates. However, there are many situations in which this is not possible due to simulation or rendering ...
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    Probabilistic inference under time pressure leads to a cortical-to-subcortical shift in decision evidence integration 

    Beck, JM; Egner, Tobias; Ferrari, Silvia; Oh-Descher, H; Sommer, Marc A (NeuroImage, 2017-08-24)
    Real-life decision-making often involves combining multiple probabilistic sources of information under finite time and cognitive resources. To mitigate these pressures, people “satisfice”, foregoing a full evaluation of ...
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    Composition and topographic organization of signals sent from the frontal eye field to the superior colliculus. 

    Sommer, Marc A; Wurtz, RH (J Neurophysiol, 2000-04)
    The frontal eye field (FEF) and superior colliculus (SC) contribute to saccadic eye movement generation, and much of the FEF's oculomotor influence may be mediated through the SC. The present study examined the composition ...
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    A screw microdrive for adjustable chronic unit recording in monkeys. 

    Nichols, AM; Ruffner, TW; Sommer, Marc A; Wurtz, RH (J Neurosci Methods, 1998-06-01)
    A screw microdrive is described that attaches to the grid system used for recording single neurons from brains of awake behaving monkeys. Multiple screwdrives can be mounted on a grid over a single cranial opening. This ...
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    Exploring the role of the substantia nigra pars reticulata in eye movements. 

    Basso, MA; Sommer, Marc A (Neuroscience, 2011-12-15)
    Experiments that demonstrated a role for the substantia nigra in eye movements have played an important role in our understanding of the function of the basal ganglia in behavior more broadly. In this review we explore more ...
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    Shifting attention to neurons. 

    Mayo, J Patrick; Sommer, Marc A (Trends Cogn Sci, 2010-09)
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    Sommer, Marc A (107)
    Wurtz, RH (21)Rao, Hrishikesh (16)Abzug, Zachary Mitchell (14)Mayo, J Patrick (10)Crapse, Trinity (8)Kopper, Regis (6)Tehovnik, EJ (6)Zielinski, David (6)Appelbaum, Lawrence Gregory (5)... View MoreDate Issued2010 - 2019 (55)2000 - 2009 (34)1990 - 1999 (16)1987 - 1989 (1)TypeJournal article (100)Book section (12)SubjectAnimals (47)Macaca mulatta (33)Saccades (26)Neurons (22)Visual Fields (17)Photic Stimulation (15)Humans (14)Frontal Lobe (13)Reaction Time (12)Superior Colliculi (12)... View MoreAffiliation of Duke Author(s)Basic Science Departments (112)Biomedical Engineering (112)Center for Cognitive Neuroscience (112)Duke (112)Duke Institute for Brain Sciences (112)Institutes and Provost's Academic Units (112)
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    Pratt School of Engineering (112)
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