R A Poldrack
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Explore the profile of R A Poldrack including associated specialties, affiliations and a list of published articles.
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38
Citations
3674
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Recent Articles
11.
Bilder R, Sabb F, Cannon T, London E, Jentsch J, Parker D, et al.
Neuroscience
. 2009 Apr;
164(1):30-42.
PMID: 19344640
Phenomics is an emerging transdiscipline dedicated to the systematic study of phenotypes on a genome-wide scale. New methods for high-throughput genotyping have changed the priority for biomedical research to phenotyping,...
12.
Rodriguez P, Aron A, Poldrack R
Hum Brain Mapp
. 2005 Aug;
27(4):306-13.
PMID: 16092133
A prominent theory in neuroscience suggests reward learning is driven by the discrepancy between a subject's expectation of an outcome and the actual outcome itself. Furthermore, it is postulated that...
13.
Aron A, Shohamy D, Clark J, Myers C, Gluck M, Poldrack R
J Neurophysiol
. 2004 Mar;
92(2):1144-52.
PMID: 15014103
Mesencephalic dopaminergic system (MDS) neurons may participate in learning by providing a prediction error signal to their targets, which include ventral striatal, orbital, and medial frontal regions, as well as...
14.
Shohamy D, Myers C, Grossman S, Sage J, Gluck M, Poldrack R
Brain
. 2004 Mar;
127(Pt 4):851-9.
PMID: 15013954
The striatum has been widely implicated in cognition, but a precise understanding of its role remains elusive. Here we present converging evidence for the role of the striatum in feedback-based...
15.
Jasdzewski G, Strangman G, Wagner J, Kwong K, Poldrack R, Boas D
Neuroimage
. 2003 Oct;
20(1):479-88.
PMID: 14527608
Several current brain imaging techniques rest on the assumption of a tight coupling between neural activity and hemodynamic response. The nature of this neurovascular coupling, however, is not completely understood....
16.
Boas D, Strangman G, Culver J, Hoge R, Jasdzewski G, Poldrack R, et al.
Phys Med Biol
. 2003 Sep;
48(15):2405-18.
PMID: 12953906
We have measured the changes in oxy-haemoglobin and deoxy-haemoglobin in the adult human brain during a brief finger tapping exercise using near-infrared spectroscopy (NIRS). The cerebral metabolic rate of oxygen...
17.
Poldrack R, Clark J, Shohamy D, Creso Moyano J, Myers C, Gluck M
Nature
. 2001 Dec;
414(6863):546-50.
PMID: 11734855
Learning and memory in humans rely upon several memory systems, which appear to have dissociable brain substrates. A fundamental question concerns whether, and how, these memory systems interact. Here we...
18.
Golby A, Poldrack R, Brewer J, Spencer D, Desmond J, Aron A, et al.
Brain
. 2001 Aug;
124(Pt 9):1841-54.
PMID: 11522586
Numerous observations in patients with unilateral lesions of the medial temporal lobe (MTL) and the prefrontal cortex indicate that memory processes are lateralized according to content. Left-sided lesions interfere with...
19.
Poldrack R, Temple E, Protopapas A, Nagarajan S, Tallal P, Merzenich M, et al.
J Cogn Neurosci
. 2001 Aug;
13(5):687-97.
PMID: 11506664
Functional magnetic resonance imaging (fMRI) was used to examine how the brain responds to temporal compression of speech and to determine whether the same regions are also involved in phonological...
20.
Wagner A, Clark J, Poldrack R
Neuron
. 2001 Aug;
31(2):329-38.
PMID: 11502262
Prefrontal cortex plays a central role in mnemonic control, with left inferior prefrontal cortex (LIPC) mediating control of semantic knowledge. One prominent theory posits that LIPC does not mediate semantic...