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Nonmonotone spectral projected gradient methods on convex sets

by Ernesto G. Birgin, Jos É Mario Martínez, Marcos Raydan - SIAM Journal on Optimization , 2000
"... Abstract. Nonmonotone projected gradient techniques are considered for the minimization of differentiable functions on closed convex sets. The classical projected gradient schemes are extended to include a nonmonotone steplength strategy that is based on the Grippo–Lampariello–Lucidi nonmonotone lin ..."
Abstract - Cited by 215 (28 self) - Add to MetaCart
Abstract. Nonmonotone projected gradient techniques are considered for the minimization of differentiable functions on closed convex sets. The classical projected gradient schemes are extended to include a nonmonotone steplength strategy that is based on the Grippo–Lampariello–Lucidi nonmonotone

Evidence for premotor cortex activity during dynamic visuospatial imagery from single-trial functional magnetic resonance imaging and event-related slow cortical potentials

by Claus Lamm, Christian Windischberger, Ulrich Leodolter, Ewald Moser, Herbert Bauer - NeuroImage
"... A strong correspondence has been repeatedly observed between actually performed and mentally imagined object rotation. This suggests an overlap in the brain regions involved in these processes. Functional neuroimaging studies have consistently revealed parietal and occipital cortex activity during d ..."
Abstract - Cited by 35 (5 self) - Add to MetaCart
. In order to achieve a good temporal and spatial resolution, single-trial functional magnetic resonance imaging (fMRI) and scalp-recorded event-related slow cortical potentials (SCPs) were recorded from the same subjects in two separate measurement sessions. In order to reduce inter-subject variability

Deconvolution of impulse response in eventrelated BOLD fMRI

by Gary H. Glover - NEUROIMAGE , 1999
"... The temporal characteristics of the BOLD response in sensorimotor and auditory cortices were measured in subjects performing finger tapping while listening to metronome pacing tones. A repeated trial paradigm was used with stimulus durations of 167 ms to 16 s and intertrial times of 30 s. Both corti ..."
Abstract - Cited by 205 (2 self) - Add to MetaCart
The temporal characteristics of the BOLD response in sensorimotor and auditory cortices were measured in subjects performing finger tapping while listening to metronome pacing tones. A repeated trial paradigm was used with stimulus durations of 167 ms to 16 s and intertrial times of 30 s. Both

FMRI visualization of brain activity during a monetary incentive delay task

by Brian Knutson, Andrew Westdorp, Erica Kaiser, Daniel Hommer - NEUROIMAGE 12 , 2010
"... Comparative studies have implicated striatal and mesial forebrain circuitry in the generation of autonomic, endocrine, and behavioral responses for incentives. Using blood oxygen level-dependent functional magnetic resonance imaging, we sought to visualize functional activation of these regions in 1 ..."
Abstract - Cited by 178 (18 self) - Add to MetaCart
Comparative studies have implicated striatal and mesial forebrain circuitry in the generation of autonomic, endocrine, and behavioral responses for incentives. Using blood oxygen level-dependent functional magnetic resonance imaging, we sought to visualize functional activation of these regions

Modeling the hemodynamic response in single-trial functional MRI experiments. Magnetic Resonance in Medicine

by Frithjof Kruggel, D. Yves Von Cramon , 1999
"... Today, most studies of cognitive processes using functional MRI (fMRI) experiments adopt a single-trial design. Highly flexible stimulation paradigms require new statistical models in which not only the activation amount but also the time course of the measured hemodynamic response is analyzed. Most ..."
Abstract - Cited by 6 (1 self) - Add to MetaCart
Today, most studies of cognitive processes using functional MRI (fMRI) experiments adopt a single-trial design. Highly flexible stimulation paradigms require new statistical models in which not only the activation amount but also the time course of the measured hemodynamic response is analyzed

A Component- and Message-Based Architectural Style for GUI Software

by Richard N. Taylor , Nenad Medvidovic, Kenneth M. Anderson, E. James Whitehead, Jr., Jason E. Robbins , 1995
"... While a large fraction of application code is devoted to graphical user interface (GUI) functions, support for reuse in this domain has largely been confined to the creation of GUI toolkits ("widgets"). We present a novel architectural style directed at supporting larger grain reuse and fl ..."
Abstract - Cited by 185 (37 self) - Add to MetaCart
While a large fraction of application code is devoted to graphical user interface (GUI) functions, support for reuse in this domain has largely been confined to the creation of GUI toolkits ("widgets"). We present a novel architectural style directed at supporting larger grain reuse

The timing of action-monitoring processes in the anterior cingulate cortex

by Vincent Van Veen, Cameron S. Carter - Journal of Cognitive Neuroscience , 2002
"... & The anterior cingulate cortex (ACC) has been shown to respond to conflict between simultaneously active, incompat-ible response tendencies. This area is active during high-conflict correct trials and also when participants make errors. Here, we use the temporal resolution of high-density event ..."
Abstract - Cited by 185 (1 self) - Add to MetaCart
& The anterior cingulate cortex (ACC) has been shown to respond to conflict between simultaneously active, incompat-ible response tendencies. This area is active during high-conflict correct trials and also when participants make errors. Here, we use the temporal resolution of high

Behavioral theories and the neurophysiology of reward,

by Wolfram Schultz - Annu. Rev. Psychol. , 2006
"... ■ Abstract The functions of rewards are based primarily on their effects on behavior and are less directly governed by the physics and chemistry of input events as in sensory systems. Therefore, the investigation of neural mechanisms underlying reward functions requires behavioral theories that can ..."
Abstract - Cited by 187 (0 self) - Add to MetaCart
■ Abstract The functions of rewards are based primarily on their effects on behavior and are less directly governed by the physics and chemistry of input events as in sensory systems. Therefore, the investigation of neural mechanisms underlying reward functions requires behavioral theories

Korea Key Words. Umbilical cord blood • Erythropoietin • Cerebral palsy • Clinical trial • Function

by Placebo-controlled Trial
"... Allogeneic umbilical cord blood (UCB) has therapeutic potential for cerebral palsy (CP). Concomitant administra-tion of recombinant human erythropoietin (rhEPO) may boost the efficacy of UCB, as it has neurotrophic effects. The objectives of this study were to assess the safety and efficacy of allog ..."
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Allogeneic umbilical cord blood (UCB) has therapeutic potential for cerebral palsy (CP). Concomitant administra-tion of recombinant human erythropoietin (rhEPO) may boost the efficacy of UCB, as it has neurotrophic effects. The objectives of this study were to assess the safety and efficacy of allogeneic UCB potentiated with rhEPO in chil-dren with CP. Children with CP were randomly assigned to one of three parallel groups: the pUCB group, which received allogeneic UCB potentiated with rhEPO; the EPO group, which received rhEPO and placebo UCB; and the Control group, which received placebo UCB and pla-cebo rhEPO. All participants received rehabilitation ther-apy. The main outcomes were changes in scores on the following measures during the 6 months treatment period:

Nback working memory paradigm: A meta-analysis of normative functional neuroimaging studies

by Adrian M. Owen, Kathryn M. Mcmillan, Angela R. Laird, Bullmore - Human Brain Mapping, PubMed
"... Abstract: One of the most popular experimental paradigms for functional neuroimaging studies of working memory has been the n-back task, in which subjects are asked to monitor the identity or location of a series of verbal or nonverbal stimuli and to indicate when the currently presented stimulus is ..."
Abstract - Cited by 156 (2 self) - Add to MetaCart
Abstract: One of the most popular experimental paradigms for functional neuroimaging studies of working memory has been the n-back task, in which subjects are asked to monitor the identity or location of a series of verbal or nonverbal stimuli and to indicate when the currently presented stimulus
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