Rasmus M Birn

Summary

Affiliation: National Institutes of Health
Country: USA

Publications

  1. pmc Neural systems supporting lexical search guided by letter and semantic category cues: a self-paced overt response fMRI study of verbal fluency
    Rasmus M Birn
    Laboratory of Brain and Cognition, National Institute of Mental Health, Bethesda, MD 20892, USA
    Neuroimage 49:1099-107. 2010
  2. ncbi request reprint Experimental designs and processing strategies for fMRI studies involving overt verbal responses
    Rasmus M Birn
    Laboratory of Brain and Cognition, National Institute of Mental Health, 10 Center Drive Building 10, Room 1D80, Bethesda, MD 20892 1148, USA
    Neuroimage 23:1046-58. 2004
  3. ncbi request reprint The effect of stimulus duty cycle and "off" duration on BOLD response linearity
    Rasmus M Birn
    Laboratory of Brain and Cognition, National Institute of Mental Health, Bethesda, MD 20892 1148, USA
    Neuroimage 27:70-82. 2005
  4. ncbi request reprint Separating respiratory-variation-related fluctuations from neuronal-activity-related fluctuations in fMRI
    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 31:1536-48. 2006
  5. pmc Sources of group differences in functional connectivity: an investigation applied to autism spectrum disorder
    Tyler B Jones
    Laboratory of Brain and Cognition, National Institute of Mental Health NIH, Bethesda, MD 20892, USA
    Neuroimage 49:401-14. 2010
  6. 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
  7. pmc Integration of motion correction and physiological noise regression in fMRI
    Tyler B Jones
    Laboratory of Brain and Cognition, National Institute of Mental Health, NIH, Bethesda, MD 20892 1148, USA
    Neuroimage 42:582-90. 2008
  8. 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
  9. ncbi request reprint Detection versus estimation in event-related fMRI: choosing the optimal stimulus timing
    Rasmus M Birn
    3T Functional Neuroimaging Core, National Institute of Mental Health, National Institutes of Health, Bethesda, Maryland, USA
    Neuroimage 15:252-64. 2002
  10. ncbi request reprint The behavioral significance of spontaneous fluctuations in brain activity
    Rasmus M Birn
    Laboratory of Brain and Cognition, National Institute of Mental Health, NIH, Bethesda, MD 20892, USA
    Neuron 56:8-9. 2007

Collaborators

Detail Information

Publications12

  1. pmc Neural systems supporting lexical search guided by letter and semantic category cues: a self-paced overt response fMRI study of verbal fluency
    Rasmus M Birn
    Laboratory of Brain and Cognition, National Institute of Mental Health, Bethesda, MD 20892, USA
    Neuroimage 49:1099-107. 2010
    ..They also provide strong evidence that verbal fluency can be successfully evaluated in the MR environment using overt, self-paced, responses...
  2. ncbi request reprint Experimental designs and processing strategies for fMRI studies involving overt verbal responses
    Rasmus M Birn
    Laboratory of Brain and Cognition, National Institute of Mental Health, 10 Center Drive Building 10, Room 1D80, Bethesda, MD 20892 1148, USA
    Neuroimage 23:1046-58. 2004
    ..Using the stimulus timing as an additional regressor to model the motion offers little benefit in practice due to the variability of the motion-induced signal change...
  3. ncbi request reprint The effect of stimulus duty cycle and "off" duration on BOLD response linearity
    Rasmus M Birn
    Laboratory of Brain and Cognition, National Institute of Mental Health, Bethesda, MD 20892 1148, USA
    Neuroimage 27:70-82. 2005
    ....
  4. ncbi request reprint Separating respiratory-variation-related fluctuations from neuronal-activity-related fluctuations in fMRI
    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 31:1536-48. 2006
    ..Regressing out global signal changes or cueing the subject to breathe at a constant rate and depth resulted in an improved spatial overlap between deactivations and resting-state correlations among areas that showed deactivation...
  5. pmc Sources of group differences in functional connectivity: an investigation applied to autism spectrum disorder
    Tyler B Jones
    Laboratory of Brain and Cognition, National Institute of Mental Health NIH, Bethesda, MD 20892, USA
    Neuroimage 49:401-14. 2010
    ..These findings suggest that the estimate of disrupted functional connectivity in ASD is likely driven by differences in task-unrelated neuronal fluctuations...
  6. 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...
  7. pmc Integration of motion correction and physiological noise regression in fMRI
    Tyler B Jones
    Laboratory of Brain and Cognition, National Institute of Mental Health, NIH, Bethesda, MD 20892 1148, USA
    Neuroimage 42:582-90. 2008
    ..Though to a lesser degree than in simulation, the motion-modified RETROICOR performed better in nearly every voxel in the brain in both high- and low-resolution subject data...
  8. 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
    ....
  9. ncbi request reprint Detection versus estimation in event-related fMRI: choosing the optimal stimulus timing
    Rasmus M Birn
    3T Functional Neuroimaging Core, National Institute of Mental Health, National Institutes of Health, Bethesda, Maryland, USA
    Neuroimage 15:252-64. 2002
    ..The stimulus timing for a given experiment should therefore be generated with the required detectability and estimation accuracy...
  10. ncbi request reprint The behavioral significance of spontaneous fluctuations in brain activity
    Rasmus M Birn
    Laboratory of Brain and Cognition, National Institute of Mental Health, NIH, Bethesda, MD 20892, USA
    Neuron 56:8-9. 2007
    ..A study by Fox et al. in this issue of Neuron shows that these spontaneous fluctuations in the motor cortex can account for significant trial-to-trial variations in both the fMRI response and behavior...
  11. pmc The effect of respiration variations on independent component analysis results of resting state functional connectivity
    Rasmus M Birn
    Section on Functional Imaging Methods, Laboratory of Brain and Cognition, National Institute of Mental Health, NIH, Bethesda, Maryland 20892 1148, USA
    Hum Brain Mapp 29:740-50. 2008
    ..An independent measure of the respiration provides valuable information to help distinguish the default mode network from respiration-related signal changes, and to assess the degree of residual respiration related effects...
  12. pmc The respiration response function: the temporal dynamics of fMRI signal fluctuations related to changes in respiration
    Rasmus M Birn
    Laboratory of Brain and Cognition, National Institute of Mental Health, 10 Center Dr, Bldg 10, Rm 1D80, Bethesda, MD 20892 1148, USA
    Neuroimage 40:644-54. 2008
    ....