Michael A Kraut

Summary

Affiliation: Johns Hopkins University
Country: USA

Publications

  1. ncbi request reprint The impact of magnetic resonance imaging-detected white matter hyperintensities on longitudinal changes in regional cerebral blood flow
    Michael A Kraut
    Russell H Morgan Department of Radiology and Radiological Sciences, Johns Hopkins University School of Medicine, Baltimore, Maryland 21287, USA
    J Cereb Blood Flow Metab 28:190-7. 2008
  2. pmc Longitudinal patterns of β-amyloid deposition in nondemented older adults
    Jitka Sojkova
    Laboratory of Behavioral Neuroscience, National Institutes of Health Biomedical Research Center, National Institute on Aging, Intramural Research Program, 251 Bayview Blvd, Baltimore, MD 21224, USA
    Arch Neurol 68:644-9. 2011
  3. pmc Lack of association between 11C-PiB and longitudinal brain atrophy in non-demented older individuals
    Ira Driscoll
    NIH Biomedical Research Center, 251 Bayview Blvd, Suite 100, Baltimore, MD 21224, USA
    Neurobiol Aging 32:2123-30. 2011
  4. ncbi request reprint The Semantic Object Retrieval Test (SORT) in amnestic mild cognitive impairment
    Michael A Kraut
    Department of Radiology, Division of Neuroradiology, The Johns Hopkins University School of Medicine, Baltimore, MD, USA
    Cogn Behav Neurol 20:62-7. 2007
  5. pmc Intima-media thickness and regional cerebral blood flow in older adults
    Jitka Sojkova
    National Institute on Aging, NIH, Baltimore, MD 21224, USA
    Stroke 41:273-9. 2010
  6. pmc Changes in brain function occur years before the onset of cognitive impairment
    Lori L Beason-Held
    Intramural Research Program, National Institute on Aging, National Institutes of Health, Baltimore, Maryland 21224, Graduate Institute of Brain and Mind Sciences, National Taiwan University College of Medicine, Taipei 100, Taiwan, Department of Radiology, Johns Hopkins Hospital, Baltimore, Maryland 21287, and Department of Neurology, Johns Hopkins University School of Medicine, Baltimore, Maryland 21224
    J Neurosci 33:18008-14. 2013
  7. pmc Correspondence between in vivo (11)C-PiB-PET amyloid imaging and postmortem, region-matched assessment of plaques
    Ira Driscoll
    National Institute on Aging, Baltimore, MD, USA
    Acta Neuropathol 124:823-31. 2012
  8. pmc Frontal function and executive processing in older adults: process and region specific age-related longitudinal functional changes
    Joshua O Goh
    Laboratory of Behavioral Neuroscience, Intramural Research Program, National Institute on Aging, Baltimore, MD 21224, USA
    Neuroimage 69:43-50. 2013
  9. ncbi request reprint Cross-sectional and longitudinal analyses of anatomical sulcal changes associated with aging
    Maryam E Rettmann
    National Institute on Aging, National Institutes of Health, Baltimore, MD 21224, USA
    Cereb Cortex 16:1584-94. 2006
  10. pmc Temporal relationships between depressive symptoms and white matter hyperintensities in older men and women
    Vonetta M Dotson
    Laboratory of Personality and Cognition, Intramural Research Program, National Institute on Aging, National Institutes of Health, Baltimore, MD, USA
    Int J Geriatr Psychiatry 28:66-74. 2013

Collaborators

Detail Information

Publications36

  1. ncbi request reprint The impact of magnetic resonance imaging-detected white matter hyperintensities on longitudinal changes in regional cerebral blood flow
    Michael A Kraut
    Russell H Morgan Department of Radiology and Radiological Sciences, Johns Hopkins University School of Medicine, Baltimore, Maryland 21287, USA
    J Cereb Blood Flow Metab 28:190-7. 2008
    ..The longitudinal increases may reflect cortical compensation mechanisms for reduced efficacy of interregional neural communications that result from white matter deterioration...
  2. pmc Longitudinal patterns of β-amyloid deposition in nondemented older adults
    Jitka Sojkova
    Laboratory of Behavioral Neuroscience, National Institutes of Health Biomedical Research Center, National Institute on Aging, Intramural Research Program, 251 Bayview Blvd, Baltimore, MD 21224, USA
    Arch Neurol 68:644-9. 2011
    ..High levels of β-amyloid (Aβ) characterize Alzheimer disease...
  3. pmc Lack of association between 11C-PiB and longitudinal brain atrophy in non-demented older individuals
    Ira Driscoll
    NIH Biomedical Research Center, 251 Bayview Blvd, Suite 100, Baltimore, MD 21224, USA
    Neurobiol Aging 32:2123-30. 2011
    ..Consistent with a threshold model of disease, our findings suggest that Aβ load does not seem to affect brain volume changes in individuals without dementia...
  4. ncbi request reprint The Semantic Object Retrieval Test (SORT) in amnestic mild cognitive impairment
    Michael A Kraut
    Department of Radiology, Division of Neuroradiology, The Johns Hopkins University School of Medicine, Baltimore, MD, USA
    Cogn Behav Neurol 20:62-7. 2007
    ..Between 10% and 15% of patients with the amnestic variety of Mild Cognitive Impairment (MCI) convert to Alzheimer disease (AD) per year...
  5. pmc Intima-media thickness and regional cerebral blood flow in older adults
    Jitka Sojkova
    National Institute on Aging, NIH, Baltimore, MD 21224, USA
    Stroke 41:273-9. 2010
    ..Understanding the neural correlates of this vascular measure is important in view of emerging evidence linking poorer cognitive performance with increased IMT in individuals without clinical cerebrovascular disease...
  6. pmc Changes in brain function occur years before the onset of cognitive impairment
    Lori L Beason-Held
    Intramural Research Program, National Institute on Aging, National Institutes of Health, Baltimore, Maryland 21224, Graduate Institute of Brain and Mind Sciences, National Taiwan University College of Medicine, Taipei 100, Taiwan, Department of Radiology, Johns Hopkins Hospital, Baltimore, Maryland 21287, and Department of Neurology, Johns Hopkins University School of Medicine, Baltimore, Maryland 21224
    J Neurosci 33:18008-14. 2013
    ..These changes also occurred within regions that show early accumulation of pathology in Alzheimer's disease, suggesting that there may be a connection between early pathologic change and early changes in brain function. ..
  7. pmc Correspondence between in vivo (11)C-PiB-PET amyloid imaging and postmortem, region-matched assessment of plaques
    Ira Driscoll
    National Institute on Aging, Baltimore, MD, USA
    Acta Neuropathol 124:823-31. 2012
    ..The strong associations of PiB retention with region-matched, quantitative analyses of Aβ in postmortem tissue offer support for the validity of (11)C-PiB-PET imaging as a method for evaluation of plaque burden in vivo...
  8. pmc Frontal function and executive processing in older adults: process and region specific age-related longitudinal functional changes
    Joshua O Goh
    Laboratory of Behavioral Neuroscience, Intramural Research Program, National Institute on Aging, Baltimore, MD 21224, USA
    Neuroimage 69:43-50. 2013
    ....
  9. ncbi request reprint Cross-sectional and longitudinal analyses of anatomical sulcal changes associated with aging
    Maryam E Rettmann
    National Institute on Aging, National Institutes of Health, Baltimore, MD 21224, USA
    Cereb Cortex 16:1584-94. 2006
    ..In addition, we found longitudinal decreases in surface area, mean thickness, GM volume, and sulcal depth measures as well as changes in sulcal curvature...
  10. pmc Temporal relationships between depressive symptoms and white matter hyperintensities in older men and women
    Vonetta M Dotson
    Laboratory of Personality and Cognition, Intramural Research Program, National Institute on Aging, National Institutes of Health, Baltimore, MD, USA
    Int J Geriatr Psychiatry 28:66-74. 2013
    ..Whether depression is an etiology or a consequence of vascular disease is still unknown. We investigated the temporal relationship between depressive symptoms and WMHs in older men and women...
  11. pmc APOE epsilon4 genotype and longitudinal changes in cerebral blood flow in normal aging
    Madhav Thambisetty
    Department of Radiology and Radiological Sciences, Laboratory of Personality and Cognition, National Institute on Aging, National Institutes of Health, Johns Hopkins University, Baltimore, Maryland 21224 6825, USA
    Arch Neurol 67:93-8. 2010
    ..Design, Setting, and..
  12. pmc Longitudinal study of chronic depressive symptoms and regional cerebral blood flow in older men and women
    Vonetta M Dotson
    Laboratory of Personality and Cognition, Intramural Research Program, National Institute on Aging, National Institutes of Health, Baltimore, MD 21224, USA
    Int J Geriatr Psychiatry 24:809-19. 2009
    ..Additionally, the neural correlates of depression have not been fully explored in men and women separately. This study investigated cross-sectional and longitudinal relationships between SDS and rCBF in older men and women...
  13. ncbi request reprint The Semantic Object Retrieval Test (SORT) in normal aging and Alzheimer disease
    Michael A Kraut
    Department of Radiology, Division of Neuroradiology, The Johns Hopkins University School of Medicine, Baltimore, MD, USA
    Cogn Behav Neurol 19:177-84. 2006
    ..To characterize performance on a test of semantic object retrieval (Semantic Object Retrieval Test-SORT) in healthy, elderly subjects and patients with Alzheimer disease (AD)...
  14. pmc Manual MRI parcellation of the frontal lobe
    Marin E Ranta
    Laboratory for Neurocognitive Imaging and Research, Kennedy Krieger Institute, Baltimore, MD 21211, USA
    Psychiatry Res 172:147-54. 2009
    ..These findings support the method as a reliable and valid technique for parcellating the frontal lobe into functionally relevant sub-regions...
  15. ncbi request reprint Longitudinal changes in cerebral blood flow in the older hypertensive brain
    Lori L Beason-Held
    Laboratory of Personality and Cognition, National Institute on Aging, National Institutes of Health, Baltimore, MD 21224 6825, USA
    Stroke 38:1766-73. 2007
    ....
  16. pmc Depressive symptoms and brain volumes in older adults: a longitudinal magnetic resonance imaging study
    Vonetta M Dotson
    Laboratory of Personality and Cognition, Intramural Research Program, National Institute on Aging, National Institutes of Health, Baltimore, MD, USA
    J Psychiatry Neurosci 34:367-75. 2009
    ..Our objective was to investigate both cross-sectional and longitudinal relations between sub-threshold depressive symptoms and brain volumes in older adults and to examine whether these associations are modified by age...
  17. pmc Incidental findings on brain magnetic resonance imaging of children with sickle cell disease
    Lori C Jordan
    Department of Neurology, School of Medicine, Johns Hopkins University, Baltimore, Maryland, USA
    Pediatrics 126:53-61. 2010
    ..We describe the prevalence and range of incidental intracranial abnormalities identified through MRI of the brain in a large group of children screened for a clinical trial...
  18. ncbi request reprint Neural mechanisms of semantic memory
    Michael A Kraut
    Department of Radiology, Division of Neuroradiology, The Johns Hopkins University School of Medicine, Baltimore, MD, USA
    Curr Neurol Neurosci Rep 4:461-5. 2004
    ..The pulvinar nucleus of the thalamus, in concert with ventral temporal and occipital cortical regions, become active later, perhaps when the criteria are met or the target object is identified...
  19. ncbi request reprint Neural activation during an explicit categorization task: category- or feature-specific effects?
    Michael A Kraut
    Division of Cognitive Neurology Neuropsychology, Department of Neurology, The Johns Hopkins University, Baltimore, MD 21287, USA
    Brain Res Cogn Brain Res 13:213-20. 2002
    ..The common signal changes in the frontal lobes (BA 6/44) for the categories of fruits and vegetables and tools suggest that this region may be organized in a feature-specific, as opposed to a category-specific, manner...
  20. pmc Inverse correlation between cerebral blood flow measured by continuous arterial spin-labeling (CASL) MRI and neurocognitive function in children with sickle cell anemia (SCA)
    John J Strouse
    Division of Pediatric Hematology, Department of Pediatrics, the Neurocirculatory Physiology Laboratory, Johns Hopkins University School of Medicine, Baltimore, MD 21205, USA
    Blood 108:379-81. 2006
    ..005). CASL MRI may identify children with neurocognitive impairment, before damage is evident by structural MRI or TCD...
  21. ncbi request reprint Cortical reconstruction using implicit surface evolution: accuracy and precision analysis
    Duygu Tosun
    Department of Electrical and Computer Engineering, The Johns Hopkins University, 3400 North Charles Street, Baltimore, MD 21218, USA
    Neuroimage 29:838-52. 2006
    ..Parameters were adjusted on the basis of this analysis in order to improve the algorithm's overall performance...
  22. pmc In vivo fibrillar beta-amyloid detected using [11C]PiB positron emission tomography and neuropathologic assessment in older adults
    Jitka Sojkova
    National Institute on Aging, National Institutes of Health, 251 Bayview Blvd, Baltimore, MD 21224, USA
    Arch Neurol 68:232-40. 2011
    ..In demented older adults, in vivo amyloid imaging shows agreement with diagnostic neuropathologic assessment of β-amyloid (Aβ). However, the extent of agreement in nondemented older adults remains unclear...
  23. ncbi request reprint Neural hybrid model of semantic object memory: implications from event-related timing using fMRI
    Michael A Kraut
    Dept of Radiology, Division of Neuroradiology, The Johns Hopkins University School of Medicine, Baltimore, MD, USA
    J Int Neuropsychol Soc 9:1031-40. 2003
    ..We conclude that BA6 mediates early designation or refinement of search criteria, and that the pulvinar may be involved in the binding of feature stimuli for an integrated object memory...
  24. ncbi request reprint Longitudinal evolution of unidentified bright objects in children with neurofibromatosis-1
    Michael A Kraut
    Department of Radiology and Radiological Science, Johns Hopkins University School of Medicine, Baltimore, Maryland 21287, USA
    Am J Med Genet A 129:113-9. 2004
    ..We conclude that studies like the present one, in association with other MR modalities, are necessary to characterize more completely the nature and evolution of UBOs and their role in the cognitive phenotype of NF-1...
  25. doi request reprint Semantic processing and response inhibition
    Hsueh Sheng Chiang
    aCenter for BrainHealth bCallier Center for Communication Disorders, University of Texas at Dallas, Texas cDepartment of Speech and Hearing Science, University of Illinois at Urbana Champaign, Urbana, Illinois dMedical Scientist Training Program, Washington University in St Louis, Missouri eDepartment of Radiology, The Johns Hopkins University School of Medicine, Baltimore, Maryland, USA
    Neuroreport 24:889-93. 2013
    ..The findings characterized mechanisms mediating response inhibition associated with semantic object categorization in the 'what' visual object memory system. ..
  26. ncbi request reprint Early characteristics of Sturge-Weber syndrome shown by perfusion MR imaging and proton MR spectroscopic imaging
    Doris D M Lin
    Department of Radiology and Radiologic Science Johns Hopkins University School of Medicine, Baltimore, MD, USA
    AJNR Am J Neuroradiol 24:1912-5. 2003
    ..The perfusion and subtle metabolic abnormalities are comparable with the extent of the overlying leptomeningeal enhancement, illustrating the early pathophysiological manifestation of this disease...
  27. ncbi request reprint Longitudinal magnetic resonance imaging studies of older adults: a shrinking brain
    Susan M Resnick
    Laboratory of Personality and Cognition, National Institute on Aging, Baltimore, Maryland 21224 6825, USA
    J Neurosci 23:3295-301. 2003
    ....
  28. ncbi request reprint Object activation in semantic memory from visual multimodal feature input
    Michael A Kraut
    Division of Neuroradiology, Johns Hopkins Hospital, Johns Hopkins University, Baltimore, MD 21287, USA
    J Cogn Neurosci 14:37-47. 2002
    ..The somatomotor signal changes are likely secondary to activation of the semantic object representations from multimodal visual stimuli...
  29. ncbi request reprint Lack of sex effect on brain activity during a visuomotor response task: functional MR imaging study
    Nina Mikhelashvili-Browner
    Johns Hopkins Hospital, The Russell H Morgan Department of Radiology and Radiological Sciences, Division of Neuroradiology, Baltimore, MD 21205, USA
    AJNR Am J Neuroradiol 24:488-94. 2003
    ..As more individuals are enrolled in clinical functional MR imaging (fMRI) studies, an understanding of how sex may influence fMRI-measured brain activation is critical...
  30. ncbi request reprint Diffusion tensor MR imaging of the brain and white matter tractography
    Elias R Melhem
    Department of Radiology and Radiological Sciences, The Johns Hopkins Medical Institutions, 600 N Wolfe St, Baltimore, MD 21287 2182, USA
    AJR Am J Roentgenol 178:3-16. 2002
  31. ncbi request reprint Brain white matter anatomy of tumor patients evaluated with diffusion tensor imaging
    Susumu Mori
    Department of Radiology, Johns Hopkins University School of Medicine, F M Kirby Research Center, Kennedy Krieger Institute, Baltimore, MD 21205, USA
    Ann Neurol 51:377-80. 2002
    ..DTI provides new information regarding the detailed relationship between tumor growth and nearby white matter tracts, which may be useful for preoperative planning...
  32. pmc Interactions between thalamic and cortical rhythms during semantic memory recall in human
    Scott D Slotnick
    Department of Psychology, Johns Hopkins University, Baltimore, MD 21218, USA
    Proc Natl Acad Sci U S A 99:6440-3. 2002
    ..Such a pattern of thalamocortical activity reflects a plausible neural mechanism underlying semantic memory recall that may underlie other cognitive processes as well...
  33. ncbi request reprint Correlation of functional MR imaging activation data with simple reaction times
    Kader Karli Oguz
    Russell H Morgan Department of Radiology and Radiological Sciences, Division of Neuroradiology, Johns Hopkins Hospital, 600 N Wolfe St, Phipps B 112, Baltimore, MD 21287, USA
    Radiology 226:188-94. 2003
    ..To determine the relationship between subject reaction times (RTs) and activation volume in the brain during visuomotor functional magnetic resonance (MR) imaging...
  34. ncbi request reprint Neuroanatomic organization of sound memory in humans
    Michael A Kraut
    The Johns Hopkins University School of Medicine, USA
    J Cogn Neurosci 18:1877-88. 2006
    ..Neural regions selective for threatening sounds are similar to those of nonhuman primates, demonstrating semantic memory organization for basic biological/survival primitives are present across species...
  35. ncbi request reprint Abnormal object recall and anterior cingulate overactivation correlate with formal thought disorder in schizophrenia
    Michal Assaf
    Olin Neuropsychiatry Research Center, Institute of Living, Hartford, CT 06106, USA
    Biol Psychiatry 59:452-9. 2006
    ..An influential theory is that FTD results from impaired semantic memory processing. We explored the neural correlates of semantic memory retrieval in schizophrenia using an imaging task assessing semantic object recall...
  36. pmc Longitudinal cerebral blood flow and amyloid deposition: an emerging pattern?
    Jitka Sojkova
    National Institute on Aging, National Institutes of Health, Bethesda, Maryland, USA
    J Nucl Med 49:1465-71. 2008
    ....