Daniel A Handwerker

Summary

Affiliation: National Institutes of Health
Country: USA

Publications

  1. pmc The continuing challenge of understanding and modeling hemodynamic variation in fMRI
    Daniel A Handwerker
    Section on Functional Imaging Methods, Laboratory of Brain and Cognition, National Institute of Mental Health, 10 Center Dr, Room 1D80, MSC1148, Bethesda, MD 20814, USA
    Neuroimage 62:1017-23. 2012
  2. pmc Periodic changes in fMRI connectivity
    Daniel A Handwerker
    Section on Functional Imaging Methods, Laboratory of Brain and Cognition, National Institute of Mental Health, Bldg 10, Rm 1D80, 10 Center Dr MSC 1148, Bethesda, MD 20892 1148, USA
    Neuroimage 63:1712-9. 2012
  3. pmc Tracking ongoing cognition in individuals using brief, whole-brain functional connectivity patterns
    Javier Gonzalez-Castillo
    Section on Functional Imaging Methods, Laboratory of Brain and Cognition, National Institute of Mental Health, National Institutes of Health, Bethesda, MD 20892
    Proc Natl Acad Sci U S A 112:8762-7. 2015
  4. doi request reprint Brain network informed subject community detection in early-onset schizophrenia
    Zhi Yang
    1 Key Laboratory of Behavioral Science and Magnetic Resonance Imaging Research Center, Institute of Psychology, Chinese Academy of Sciences, Beijing, 100101, China 2 Section on Functional Imaging Methods, Laboratory of Brain and Cognition, National Institute of Mental Health, National Institutes of Health, Bethesda, MD 20892, USA 3 Laboratory for Functional Connectome and Development, Institute of Psychology, Chinese Academy of Sciences, Beijing, 100101, China
    Sci Rep 4:5549. 2014
  5. pmc The impact of global signal regression on resting state correlations: are anti-correlated networks introduced?
    Kevin Murphy
    Section on Functional Imaging Methods, National Institute of Mental Health, Bethesda, MD 20892 1148, USA
    Neuroimage 44:893-905. 2009
  6. pmc Hemodynamic signals not predicted? Not so: a comment on Sirotin and Das (2009)
    Daniel A Handwerker
    Section on Functional Imaging Methods, Laboratory of Brain and Cognition, National Institute of Mental Health, NIH, Bethesda, MD 20892 1148, USA
    Neuroimage 55:1409-12. 2011
  7. pmc Whole-brain, time-locked activation with simple tasks revealed using massive averaging and model-free analysis
    Javier Gonzalez-Castillo
    Section on Functional Imaging Methods, Laboratory of Brain and Cognition, National Institute of Mental Health, National Institutes of Health, Bethesda, MD 20892, USA
    Proc Natl Acad Sci U S A 109:5487-92. 2012
  8. pmc Effects of thoracic pressure changes on MRI signals in the brain
    Paula Wu
    Section on Functional Imaging Methods, Laboratory of Brain and Cognition, National Institute of Mental Health, Bethesda, Maryland, USA
    J Cereb Blood Flow Metab 35:1024-32. 2015
  9. pmc Connectivity trajectory across lifespan differentiates the precuneus from the default network
    Zhi Yang
    Key Laboratory of Behavioral Science, Laboratory for Functional Connectome and Development, Magnetic Resonance Imaging Research Center, Institute of Psychology, Chinese Academy of Sciences, Beijing 100101, China Section on Functional Imaging Methods, Laboratory of Brain and Cognition, National Institute of Mental Health, National Institutes of Health, Bethesda, MD 20892, USA Electronic address
    Neuroimage 89:45-56. 2014
  10. pmc Simple explanations before complex theories: Alternative interpretations of Sirotin and Das' observations
    Daniel A Handwerker
    Section on Functional Imaging Methods, Laboratory of Brain and Cognition, National Institute of Mental Health, NIH, MD, USA
    Neuroimage 55:1419-22. 2011

Collaborators

Detail Information

Publications11

  1. pmc The continuing challenge of understanding and modeling hemodynamic variation in fMRI
    Daniel A Handwerker
    Section on Functional Imaging Methods, Laboratory of Brain and Cognition, National Institute of Mental Health, 10 Center Dr, Room 1D80, MSC1148, Bethesda, MD 20814, USA
    Neuroimage 62:1017-23. 2012
    ..We also describe efforts to minimize the effects of HR variation in intrasubject, group, population, and connectivity analyses and the limits of these methods...
  2. pmc Periodic changes in fMRI connectivity
    Daniel A Handwerker
    Section on Functional Imaging Methods, Laboratory of Brain and Cognition, National Institute of Mental Health, Bldg 10, Rm 1D80, 10 Center Dr MSC 1148, Bethesda, MD 20892 1148, USA
    Neuroimage 63:1712-9. 2012
    ..Our results also highlight the rich information in the power spectra of fMRI data that can be used to parse brain regions...
  3. pmc Tracking ongoing cognition in individuals using brief, whole-brain functional connectivity patterns
    Javier Gonzalez-Castillo
    Section on Functional Imaging Methods, Laboratory of Brain and Cognition, National Institute of Mental Health, National Institutes of Health, Bethesda, MD 20892
    Proc Natl Acad Sci U S A 112:8762-7. 2015
    ..Spatially restricting FC information decreased accuracy at short time scales, emphasizing the distributed nature of whole-brain FC dynamics, beyond univariate magnitude changes, as valuable markers of cognition. ..
  4. doi request reprint Brain network informed subject community detection in early-onset schizophrenia
    Zhi Yang
    1 Key Laboratory of Behavioral Science and Magnetic Resonance Imaging Research Center, Institute of Psychology, Chinese Academy of Sciences, Beijing, 100101, China 2 Section on Functional Imaging Methods, Laboratory of Brain and Cognition, National Institute of Mental Health, National Institutes of Health, Bethesda, MD 20892, USA 3 Laboratory for Functional Connectome and Development, Institute of Psychology, Chinese Academy of Sciences, Beijing, 100101, China
    Sci Rep 4:5549. 2014
    ..This study presents a novel subtype discovery approach based on brain networks and proposes complex links between brain networks and symptom patterns in EOS. ..
  5. pmc The impact of global signal regression on resting state correlations: are anti-correlated networks introduced?
    Kevin Murphy
    Section on Functional Imaging Methods, National Institute of Mental Health, Bethesda, MD 20892 1148, USA
    Neuroimage 44:893-905. 2009
    ..These results call into question the interpretation of negatively correlated regions in the brain when using global signal regression as an initial processing step...
  6. pmc Hemodynamic signals not predicted? Not so: a comment on Sirotin and Das (2009)
    Daniel A Handwerker
    Section on Functional Imaging Methods, Laboratory of Brain and Cognition, National Institute of Mental Health, NIH, Bethesda, MD 20892 1148, USA
    Neuroimage 55:1409-12. 2011
    ..We argue that rather than casting doubt on fMRI signal changes, these studies open up an interesting window into exploring more subtle neurovascular relationships...
  7. pmc Whole-brain, time-locked activation with simple tasks revealed using massive averaging and model-free analysis
    Javier Gonzalez-Castillo
    Section on Functional Imaging Methods, Laboratory of Brain and Cognition, National Institute of Mental Health, National Institutes of Health, Bethesda, MD 20892, USA
    Proc Natl Acad Sci U S A 109:5487-92. 2012
    ....
  8. pmc Effects of thoracic pressure changes on MRI signals in the brain
    Paula Wu
    Section on Functional Imaging Methods, Laboratory of Brain and Cognition, National Institute of Mental Health, Bethesda, Maryland, USA
    J Cereb Blood Flow Metab 35:1024-32. 2015
    ....
  9. pmc Connectivity trajectory across lifespan differentiates the precuneus from the default network
    Zhi Yang
    Key Laboratory of Behavioral Science, Laboratory for Functional Connectome and Development, Magnetic Resonance Imaging Research Center, Institute of Psychology, Chinese Academy of Sciences, Beijing 100101, China Section on Functional Imaging Methods, Laboratory of Brain and Cognition, National Institute of Mental Health, National Institutes of Health, Bethesda, MD 20892, USA Electronic address
    Neuroimage 89:45-56. 2014
    ..These findings have implications for understanding the functional roles of the default network, gaining insight into its dynamics throughout life, and guiding interpretation of alterations in brain disorders. ..
  10. pmc Simple explanations before complex theories: Alternative interpretations of Sirotin and Das' observations
    Daniel A Handwerker
    Section on Functional Imaging Methods, Laboratory of Brain and Cognition, National Institute of Mental Health, NIH, MD, USA
    Neuroimage 55:1419-22. 2011
    ....
  11. pmc fMRI in the presence of task-correlated breathing variations
    Rasmus M Birn
    Laboratory of Brain and Cognition, National Institute of Mental Health, NIH, 10 Center Dr, Bldg 10, Rm 1D80, Bethesda, MD 20892 1148, USA
    Neuroimage 47:1092-104. 2009
    ....