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The dynamics of proactive and reactive cognitive control processes in the human brain. 

Appelbaum, L Gregory; Boehler, C Nicolas; Davis, Lauren A; Won, Robert J; Woldorff, Marty G (J Cogn Neurosci, 2014-05)
In this study, we leveraged the high temporal resolution of EEG to examine the neural mechanisms underlying the flexible regulation of cognitive control that unfolds over different timescales. We measured behavioral and ...
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Rapid brain responses independently predict gain maximization and loss minimization during economic decision making. 

San Martín, René; Appelbaum, Lawrence G; Pearson, John M; Huettel, Scott A; Woldorff, Marty G (J Neurosci, 2013-04-17)
Success in many decision-making scenarios depends on the ability to maximize gains and minimize losses. Even if an agent knows which cues lead to gains and which lead to losses, that agent could still make choices yielding ...
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Cortical Brain Activity Reflecting Attentional Biasing Toward Reward-Predicting Cues Covaries with Economic Decision-Making Performance. 

San Martín, René; Appelbaum, Lawrence G; Huettel, Scott A; Woldorff, Marty G (Cereb Cortex, 2016-01)
Adaptive choice behavior depends critically on identifying and learning from outcome-predicting cues. We hypothesized that attention may be preferentially directed toward certain outcome-predicting cues. We studied this ...
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Improvement in visual search with practice: mapping learning-related changes in neurocognitive stages of processing. 

Clark, Kait; Appelbaum, L Gregory; van den Berg, Berry; Mitroff, Stephen R; Woldorff, Marty G (J Neurosci, 2015-04-01)
Practice can improve performance on visual search tasks; the neural mechanisms underlying such improvements, however, are not clear. Response time typically shortens with practice, but which components of the stimulus-response ...
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The neural dynamics of stimulus and response conflict processing as a function of response complexity and task demands. 

Donohue, Sarah E; Appelbaum, Lawrence G; McKay, Cameron C; Woldorff, Marty G (Neuropsychologia, 2016-04)
Both stimulus and response conflict can disrupt behavior by slowing response times and decreasing accuracy. Although several neural activations have been associated with conflict processing, it is unclear how specific any ...
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Changes in Brain Resting-state Functional Connectivity Associated with Peripheral Nerve Block: A Pilot Study. 

Melton, M Stephen; Browndyke, Jeffrey N; Harshbarger, Todd B; Madden, David J; Nielsen, Karen C; Klein, Stephen M (Anesthesiology, 2016-08)
BACKGROUND: Limited information exists on the effects of temporary functional deafferentation (TFD) on brain activity after peripheral nerve block (PNB) in healthy humans. Increasingly, resting-state functional connectivity ...
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The neural basis of involuntary episodic memories. 

Hall, Shana A; Rubin, David C; Miles, Amanda; Davis, Simon W; Wing, Erik A; Cabeza, Roberto; Berntsen, Dorthe (J Cogn Neurosci, 2014-10)
Voluntary episodic memories require an intentional memory search, whereas involuntary episodic memories come to mind spontaneously without conscious effort. Cognitive neuroscience has largely focused on voluntary memory, ...
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Effects of chronic mild traumatic brain injury on white matter integrity in Iraq and Afghanistan war veterans. 

Morey, Rajendra A; Haswell, Courtney C; Selgrade, Elizabeth S; Massoglia, Dino; Liu, Chunlei; Weiner, Jonathan; Marx, Christine E; ... (10 authors) (Hum Brain Mapp, 2013-11)
Mild traumatic brain injury (TBI) is a common source of morbidity from the wars in Iraq and Afghanistan. With no overt lesions on structural MRI, diagnosis of chronic mild TBI in military veterans relies on obtaining an ...
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AuthorWoldorff, Marty G (8)Appelbaum, Lawrence G (5)Cabeza, Roberto (5)Appelbaum, L Gregory (3)Davis, Simon W (3)Madden, David J (3)Berntsen, Dorthe (2)Boehler, C Nicolas (2)Boehler, Carsten N (2)Hall, Shana A (2)... View MoreDate Issued2011 (3)2012 (3)2014 (3)2016 (3)2010 (2)2013 (2)2015 (1)2018 (1)TypeJournal article (18)Subject
Brain (18)
Humans (18)Male (18)
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Female (17)Adult (14)Brain Mapping (11)Magnetic Resonance Imaging (10)Adolescent (9)Reaction Time (9)... View MoreAffiliation of Duke Author(s)Clinical Science Departments (18)Duke (18)Duke Institute for Brain Sciences (18)
Institutes and Provost's Academic Units (18)
Psychiatry & Behavioral Sciences (18)
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University Institutes and Centers (18)
Duke-UNC Center for Brain Imaging and Analysis (17)Institutes and Centers (17)Psychology and Neuroscience (16)... View More
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