Research Topics
| Russell PoldrackSummaryAffiliation: University of Texas Country: USA Publications
Research Grants
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Detail Information
Publications
Discovering relations between mind, brain, and mental disorders using topic mappingRussell A Poldrack
Imaging Research Center and Departments of Psychology and Neurobiology, University of Texas, Austin, Texas, United States of America
PLoS Comput Biol 8:e1002707. 2012..This approach has the potential to discover novel endophenotypes for neuropsychiatric disorders and to better characterize the structure of these disorders and the relations between them...
The future of fMRI in cognitive neuroscienceRussell A Poldrack
Department of Psychology and Neurobiology and Imaging Research Center, University of Texas, Austin, TX 78759, USA
Neuroimage 62:1216-20. 2012....- Interpreting developmental changes in neuroimaging signalsRussell A Poldrack
Imaging Research Center and Department of Psychology, University of Texas at Austin, Austin, TX, USA
Hum Brain Mapp 31:872-8. 2010..To put developmental neuroimaging on stronger footing, we need to develop stronger connections between computational and neurobiological accounts of developmental changes... - Decoding the large-scale structure of brain function by classifying mental States across individualsRussell A Poldrack
University of California, Los Angeles, CA, USA
Psychol Sci 20:1364-72. 2009..These results revealed a small organized set of large-scale networks that map cognitive processes across a highly diverse set of mental tasks, suggesting a novel way to characterize the neural basis of cognition... - Detecting network modules in fMRI time series: a weighted network analysis approachJeanette A Mumford
Department of Psychology, University of Texas at Austin, Austin, TX 78712 0187, USA
Neuroimage 52:1465-76. 2010..Last, we illustrate how WVCNA modules can be used in a network analysis to find connections between regions of the brain and show that it produces reasonable results... - Engagement of large-scale networks is related to individual differences in inhibitory controlEliza Congdon
Department of Psychology, University of California Los Angeles, Los Angeles, CA, USA
Neuroimage 53:653-63. 2010..The results also highlight the usefulness of using dimensionality reduction to increase the power to detect brain/behavior correlations in individual differences research... - Construction of a 3D probabilistic atlas of human cortical structuresDavid W Shattuck
Laboratory of Neuro Imaging, Department of Neurology, David Geffen School of Medicine, University of California, Los Angeles, 635 Charles Young Drive South, NRB1, Suite 225, Los Angeles, CA 90095, USA
Neuroimage 39:1064-80. 2008.... 
Diffusion tensor imaging of the superior longitudinal fasciculus and working memory in recent-onset schizophreniaKatherine H Karlsgodt
Department of Psychology, University of California, Los Angeles, California 90095 1563, USA
Biol Psychiatry 63:512-8. 2008....- Functional magnetic resonance imaging during auditory verbal working memory in nonpsychotic relatives of persons with schizophrenia: a pilot studyHeidi W Thermenos
Department of Psychology and Brain Research Institute (RP, University of California, Los Angeles, Los Angeles, California, USA
Biol Psychiatry 55:490-500. 2004..These differences add to the growing literature identifying neurobiological vulnerabilities to schizophrenia... - Category learning and the memory systems debateRussell A Poldrack
Department of Psychology, UCLA, Los Angeles, CA 90095 1563, USA
Neurosci Biobehav Rev 32:197-205. 2008.... - Independence in ROI analysis: where is the voodoo?Russell A Poldrack
Department of Psychology, University of California, Los Angeles, CA 90095 1563, USA
Soc Cogn Affect Neurosci 4:208-13. 2009..regarding the implausibility of these high correlations are incorrect. We conclude with some recommendations to help limit the potential problems caused by non-independence... - The role of fMRI in cognitive neuroscience: where do we stand?Russell A Poldrack
UCLA, Department of Psychology, Los Angeles, CA 90095 1563, USA
Curr Opin Neurobiol 18:223-7. 2008..I conclude by discussing the increasing presence of fMRI results in the popular media and the ethical implications of the increasing predictive power of fMRI... - Long-term test-retest reliability of functional MRI in a classification learning taskAdam R Aron
Department of Psychology, Franz Hall Box 951563, University of California, Los Angeles, CA 90095, USA
Neuroimage 29:1000-6. 2006..We conclude that fMRI can have high long-term test-retest reliability, making it suitable as a biomarker for brain development and neurodegeneration... - A unique adolescent response to reward prediction errorsJessica R Cohen
Department of Psychology, University of California Los Angeles, Los Angeles, California, USA
Nat Neurosci 13:669-71. 2010..This suggests that heightened dopaminergic prediction error responsivity contributes to adolescent reward seeking... - Common and dissociable prefrontal loci associated with component mechanisms of analogical reasoningSoohyun Cho
Department of Psychology, University of California, Los Angeles, Los Angeles, CA 90095 1563, USA
Cereb Cortex 20:524-33. 2010.... - Functional MRI at the crossroadsJohn Darrell Van Horn
Laboratory of Neuro Imaging, Department of Neurology, UCLA School of Medicine, 635 Charles E Young Drive SW, Suite 225, Los Angeles, CA 90095 7334, USA
Int J Psychophysiol 73:3-9. 2009.... - Neural substrates for reversing stimulus-outcome and stimulus-response associationsGui Xue
Foundation for Psychocultural Research University of California, Los Angeles Center for Culture, Brain and Development, University of California, Los Angeles, California 90095, USA
J Neurosci 28:11196-204. 2008..The later increase of right ventral lateral prefrontal cortex and caudate for reversal of stimulus-outcome associations suggests their importance in outcome reversal learning in the face of interference... - Cortical and subcortical contributions to Stop signal response inhibition: role of the subthalamic nucleusAdam R Aron
Department of Psychology, Brain Research Institute, University of California, Los Angeles, California 90095, USA
J Neurosci 26:2424-33. 2006..Future research is required to establish whether Stop-signal inhibition could be implemented via a direct functional neuroanatomic projection between IFC and STN (a "hyperdirect" pathway)... - Selective corticostriatal dysfunction in schizophrenia: examination of motor and cognitive skill learningKarin Foerde
Department of Psychology, University of California Los Angeles, Los Angeles, CA, USA
Neuropsychology 22:100-9. 2008..In contrast, patients were not impaired at learning on the SRT relative to controls, suggesting that patients with schizophrenia may have dysfunction in a specific corticostriatal subcircuit... - Common neural substrates for inhibition of spoken and manual responsesGui Xue
FPR UCLA Center for Culture, Brain and Development, University of California, Los Angeles, CA 90095 1563, USA
Cereb Cortex 18:1923-32. 2008..These findings suggest a functional dissociation of left and right IFC in initiating versus inhibiting vocal responses, and that manual responses and speech acts share a common inhibitory mechanism localized in the right IFC and pre-SMA... - The neural substrates of visual perceptual learning of words: implications for the visual word form area hypothesisGui Xue
Department of Psychology, University of Southern California, Seely G Mudd 501, Los Angeles, CA 90089 161, USA
J Cogn Neurosci 19:1643-55. 2007..These results confirm our conjecture that the VWFA is not dedicated to words, and visual expertise acquired with training reduces rather than increases its activity... - Cognitive ontologies for neuropsychiatric phenomics researchRobert M Bilder
Jane and Terry Semel Institute for Neuroscience and Human Behavior at UCLA, Los Angeles, CA 90095, USA
Cogn Neuropsychiatry 14:419-50. 2009..It is hoped that these tools will help formalise inference about cognitive concepts in behavioural and neuroimaging studies, and facilitate discovery of the genetic bases of both healthy cognition and cognitive disorders... - How do memory systems interact? Evidence from human classification learningRussell A Poldrack
Department of Psychology and Brain Research Institute, UCLA, Los Angeles, CA 90095, USA
Neurobiol Learn Mem 82:324-32. 2004..These results suggest that memory system interactions may reflect multiple mechanisms that combine to optimize behavior based on experience... - The neural correlates of motor skill automaticityRussell A Poldrack
Department of Psychology, University of California, Los Angeles, Los Angeles, California 90095 1563, USA
J Neurosci 25:5356-64. 2005.... - Inhibitory motor control in response stopping and response switchingNaomi M Kenner
Department of Psychology, University of California, Los Angeles, Los Angeles, California 90095 1563, USA
J Neurosci 30:8512-8. 2010.... - The cognitive neuroscience of response inhibition: relevance for genetic research in attention-deficit/hyperactivity disorderAdam R Aron
Department of Psychology and Brain Research Institute, University of California, Los Angeles, California 90095, USA
Biol Psychiatry 57:1285-92. 2005..Moreover, a dissection of response inhibition into more basic components such as rule maintenance, vigilance, and target detection may provide yet better targets for association with genes for neuromodulation and brain development... - Modulation of competing memory systems by distractionKarin Foerde
Department of Psychology and Brain Research Institute, University of California, Los Angeles, CA 90095-1563, USA
Proc Natl Acad Sci U S A 103:11778-83. 2006.... - Striatal dopamine d2/d3 receptor availability is reduced in methamphetamine dependence and is linked to impulsivityBuyean Lee
Department of Psychiatry, Brain Research Institute, University of California, Los Angeles, Los Angeles, California 90024, USA
J Neurosci 29:14734-40. 2009..12 corrected). The findings suggest that low striatal D(2)/D(3) receptor availability may mediate impulsive temperament and thereby influence addiction... - Can cognitive processes be inferred from neuroimaging data?Russell A Poldrack
Department of Psychology and Brain Research Institute, UCLA, Los Angeles, CA 90095 1563, USA
Trends Cogn Sci 10:59-63. 2006..I argue that cognitive neuroscientists should be circumspect in the use of reverse inference, particularly when selectivity of the region in question cannot be established or is known to be weak... - The neural basis of loss aversion in decision-making under riskSabrina M Tom
Department of Psychology, University of California Los Angeles UCLA, Franz Hall, Box 951563, Los Angeles, CA 90095 1563, USA
Science 315:515-8. 2007..Finally, individual differences in behavioral loss aversion were predicted by a measure of neural loss aversion in several regions, including the ventral striatum and prefrontal cortex...
Research Grants
- The Cognitive Atlas: Developing an Interdisciplinary Knowledge Base Through SociaRussell A Poldrack; Fiscal Year: 2010..The system developed in this project will also enhance biomedical knowledge and discovery more broadly by providing new tools for collaborative knowledge building. ..