Joseph Maldjian

Summary

Affiliation: Wake Forest University School of Medicine
Country: USA

Publications

  1. doi request reprint Fully automated processing of fMRI data in SPM: from MRI scanner to PACS
    Joseph A Maldjian
    Wake Forest University, Winston Salem, NC, USA
    Neuroinformatics 7:57-72. 2009
  2. pmc Differences in carotid arterial morphology and composition between individuals with and without obstructive coronary artery disease: a cardiovascular magnetic resonance study
    Hunter R Underhill
    Department of Radiology University of Washington, Seattle, WA, USA
    J Cardiovasc Magn Reson 10:31. 2008
  3. pmc Cross-modal deactivations during modality-specific selective attention
    Jennifer L Mozolic
    Wake Forest University School of Medicine, Medical Center Boulevard, Winston Salem, NC 27157, USA
    BMC Neurol 8:35. 2008
  4. doi request reprint Clinical implementation of spin-tag perfusion magnetic resonance imaging
    Joseph A Maldjian
    Department of Radiology, Wake Forest University Medical School, Medical Center Boulevard, Winston Salem, NC, USA
    J Comput Assist Tomogr 32:403-6. 2008
  5. ncbi request reprint Precentral gyrus discrepancy in electronic versions of the Talairach atlas
    Joseph A Maldjian
    Department of Radiology, Wake Forest University Health Sciences Center, Winston Salem, NC 27157, USA
    Neuroimage 21:450-5. 2004
  6. ncbi request reprint An automated method for neuroanatomic and cytoarchitectonic atlas-based interrogation of fMRI data sets
    Joseph A Maldjian
    Department of Radiology, Wake Forest University Health Sciences Center, Winston Salem, NC 27157, USA
    Neuroimage 19:1233-9. 2003
  7. ncbi request reprint Relationship between caffeine-induced changes in resting cerebral perfusion and blood oxygenation level-dependent signal
    Paul J Laurienti
    Department of Radiology, Wake Forest University School of Medicine, Winston Salem, NC 27157, USA
    AJNR Am J Neuroradiol 24:1607-11. 2003
  8. ncbi request reprint Dietary caffeine consumption modulates fMRI measures
    Paul J Laurienti
    Department of Radiology, Wake Forest University School of Medicine, Winston Salem, North Carolina 27157 1022, USA
    Neuroimage 17:751-7. 2002
  9. ncbi request reprint Arterial transit time imaging with flow encoding arterial spin tagging (FEAST)
    Jiongjiong Wang
    Department of Radiology, University of Pennsylvania, Philadelphia, Pennsylvania 19104, USA
    Magn Reson Med 50:599-607. 2003
  10. pmc The impact of temporal regularization on estimates of the BOLD hemodynamic response function: a comparative analysis
    Ramon Casanova
    Department of Radiology, Wake Forest University School of Medicine, Winston Salem, NC, USA
    Neuroimage 40:1606-18. 2008

Detail Information

Publications30

  1. doi request reprint Fully automated processing of fMRI data in SPM: from MRI scanner to PACS
    Joseph A Maldjian
    Wake Forest University, Winston Salem, NC, USA
    Neuroinformatics 7:57-72. 2009
    ..The pipeline requires no manual intervention, and can be extended to any studies requiring offline processing...
  2. pmc Differences in carotid arterial morphology and composition between individuals with and without obstructive coronary artery disease: a cardiovascular magnetic resonance study
    Hunter R Underhill
    Department of Radiology University of Washington, Seattle, WA, USA
    J Cardiovasc Magn Reson 10:31. 2008
    ....
  3. pmc Cross-modal deactivations during modality-specific selective attention
    Jennifer L Mozolic
    Wake Forest University School of Medicine, Medical Center Boulevard, Winston Salem, NC 27157, USA
    BMC Neurol 8:35. 2008
    ..This study was designed to determine how focusing attention on the auditory or visual modality impacts neural activity in cortical regions responsible for processing stimuli in the unattended modality...
  4. doi request reprint Clinical implementation of spin-tag perfusion magnetic resonance imaging
    Joseph A Maldjian
    Department of Radiology, Wake Forest University Medical School, Medical Center Boulevard, Winston Salem, NC, USA
    J Comput Assist Tomogr 32:403-6. 2008
    ..Here, we describe a fully automated pipeline for clinical implementation of a magnetic resonance spin-tag perfusion sequence that can be extended to any studies requiring off-line processing...
  5. ncbi request reprint Precentral gyrus discrepancy in electronic versions of the Talairach atlas
    Joseph A Maldjian
    Department of Radiology, Wake Forest University Health Sciences Center, Winston Salem, NC 27157, USA
    Neuroimage 21:450-5. 2004
    ..The mislabeled portion encompasses a 3 x 1.5-cm region in the axial plane and has significant implications for sensorimotor studies that rely on the digital atlases for anatomic labeling...
  6. ncbi request reprint An automated method for neuroanatomic and cytoarchitectonic atlas-based interrogation of fMRI data sets
    Joseph A Maldjian
    Department of Radiology, Wake Forest University Health Sciences Center, Winston Salem, NC 27157, USA
    Neuroimage 19:1233-9. 2003
    ..This tool represents a necessary evolution in fMRI data analysis for testing of more spatially complex hypotheses...
  7. ncbi request reprint Relationship between caffeine-induced changes in resting cerebral perfusion and blood oxygenation level-dependent signal
    Paul J Laurienti
    Department of Radiology, Wake Forest University School of Medicine, Winston Salem, NC 27157, USA
    AJNR Am J Neuroradiol 24:1607-11. 2003
    ..The present study was designed to determine whether caffeine-induced decreases in cerebral perfusion result in enhanced BOLD responses to visual and auditory stimuli...
  8. ncbi request reprint Dietary caffeine consumption modulates fMRI measures
    Paul J Laurienti
    Department of Radiology, Wake Forest University School of Medicine, Winston Salem, North Carolina 27157 1022, USA
    Neuroimage 17:751-7. 2002
    ..We propose that the outcome observed here was due to an upregulation of adenosine receptors in high users, resulting in differential contributions of the neural and vascular effects of adenosine in the two study populations...
  9. ncbi request reprint Arterial transit time imaging with flow encoding arterial spin tagging (FEAST)
    Jiongjiong Wang
    Department of Radiology, University of Pennsylvania, Philadelphia, Pennsylvania 19104, USA
    Magn Reson Med 50:599-607. 2003
    ..Application of the FEAST technique in two patients with cerebrovascular disease demonstrated prolonged tissue transit times in the affected vascular territories which were consistent with results from other MR imaging modalities...
  10. pmc The impact of temporal regularization on estimates of the BOLD hemodynamic response function: a comparative analysis
    Ramon Casanova
    Department of Radiology, Wake Forest University School of Medicine, Winston Salem, NC, USA
    Neuroimage 40:1606-18. 2008
    ..Our results clarify the effects of temporal resolution, noise color, and experimental design on the accuracy of HRF estimation...
  11. doi request reprint Arterial spin-labeled magnetic resonance imaging in hyperperfused seizure focus: a case report
    Jeffrey M Pollock
    Department of Radiology, Wake Forest University School of Medicine, Winston Salem, NC, USA
    J Comput Assist Tomogr 32:291-2. 2008
    ..The finding of hyperperfusion with perfusion imaging significantly impacted clinical management of the patient...
  12. doi request reprint Closing the mind's eye: deactivation of visual cortex related to auditory task difficulty
    W David Hairston
    ANSIR Lab, Department of Radiology, Wake Forest University School of Medicine, Winston Salem, North Carolina 27257, USA
    Neuroreport 19:151-4. 2008
    ..Together, these results suggest that cross-modal deactivations occur in compensation for task difficulty, perhaps acting as an intrinsic filter for nonrelevant information...
  13. pmc Brain volumes, cognitive impairment, and conjugated equine estrogens
    Mark A Espeland
    Department of Biostatistical Sciences, Wake Forest University Health Sciences, Medical Center Boulevard, Winston Salem, NC 27157, USA
    J Gerontol A Biol Sci Med Sci 64:1243-50. 2009
    ....
  14. doi request reprint An adaptive staircase procedure for the E-Prime programming environment
    W David Hairston
    Human Research and Engineering Directorate, US Army Research Laboratory, Aberdeen Proving Ground, MD 21005, USA
    Comput Methods Programs Biomed 93:104-8. 2009
    ..An example experiment (visual temporal-order-judgment task) where subjects report the order of occurrence of two circles illustrates the behavior and consistency of the routine...
  15. pmc A fast, effective filtering method for improving clinical pulsed arterial spin labeling MRI
    Huan Tan
    Department of Biomedical Engineering, Wake Forest University School of Medicine, Winston Salem, North Carolina 27157, USA
    J Magn Reson Imaging 29:1134-9. 2009
    ..To evaluate the effectiveness of a fully automated postprocessing filter algorithm in pulsed arterial spin labeling (PASL) MRI perfusion images in a large clinical population...
  16. ncbi request reprint Aging and the interaction of sensory cortical function and structure
    Ann M Peiffer
    Department of Radiology, Wake Forest University School of Medicine, Winston Salem, North Carolina 27157, USA
    Hum Brain Mapp 30:228-40. 2009
    ..Thus, functional differences in cortical activity between older and younger adults cannot solely be accounted for by differences in gray matter volume...
  17. ncbi request reprint Relating imaging indices of white matter integrity and volume in healthy older adults
    Christina E Hugenschmidt
    Neuroscience Program, Wake Forest University School of Medicine, Winston Salem, NC 27157, USA
    Cereb Cortex 18:433-42. 2008
    ..As such, the ability to detect early white matter alterations may facilitate development of targeted treatments that prevent or slow age-related white matter degradation and associated cognitive sequelae...
  18. ncbi request reprint Cross-modal sensory processing in the anterior cingulate and medial prefrontal cortices
    Paul J Laurienti
    Department of Radiology, Wake Forest University School of Medicine, Winston Salem, North Carolina 27157, USA
    Hum Brain Mapp 19:213-23. 2003
    ..Although activity in these regions was also dependent on task difficulty, showing decreased activity with decreasing task difficulty, the activity changes associated with stimulus congruence predominated...
  19. ncbi request reprint Separating neural processes using mixed event-related and epoch-based fMRI paradigms
    Paul J Laurienti
    Department of Radiology, Wake Forest University School of Medicine, Medical Center Boulevard, Winston Salem, NC 27157 1022, USA
    J Neurosci Methods 131:41-50. 2003
    ..Mixed designs provide neuroscientists with the power and flexibility to address more complex cognitive hypotheses that were otherwise difficult to study with either epoch-based or event-related designs alone...
  20. ncbi request reprint Semantic congruence is a critical factor in multisensory behavioral performance
    Paul J Laurienti
    Department of Radiology, Wake Forest University School of Medicine, Medical Center Boulevard, Winston Salem, NC 27157, USA
    Exp Brain Res 158:405-14. 2004
    ....
  21. ncbi request reprint Enhanced multisensory integration in older adults
    Paul J Laurienti
    Department of Radiology, Wake Forest University School of Medicine, Medical Center Boulevard, Winston Salem, NC 27157, USA
    Neurobiol Aging 27:1155-63. 2006
    ..e., visual). The current results suggest that despite the decline in sensory processing that accompanies aging, the use of multiple sensory channels may represent an effective compensatory strategy to overcome these unisensory deficits...
  22. pmc Biological parametric mapping: A statistical toolbox for multimodality brain image analysis
    Ramon Casanova
    Advanced Neuroscience Imaging Research ANSIR Laboratory, Department of Radiology, Wake Forest University School of Medicine, USA
    Neuroimage 34:137-43. 2007
    ..An example with in vivo data is presented, demonstrating the potential of the BPM methodology as a tool for multimodal image analysis...
  23. ncbi request reprint Continuous arterial spin labeled perfusion magnetic resonance imaging in patients before and after carotid endarterectomy
    Beau M Ances
    Department of Neurology, Department of Neurosurgery, Department of Radiology, Hospital of the University of Pennsylvania, 3400 Spruce Street, Philadelphia, PA 19104, USA
    J Neuroimaging 14:133-8. 2004
    ..78, P < .05) but not in the posterior distribution (r = .25, P = .63). CASL-pMRI may provide a convenient, inexpensive, noninvasive method for identifying CEA patients at risk for hyperperfusion following carotid revascularization...
  24. pmc The effect of daily caffeine use on cerebral blood flow: How much caffeine can we tolerate?
    Merideth A Addicott
    Department of Radiology, Wake Forest University School of Medicine, Winston Salem, North Carolina 27157, USA
    Hum Brain Mapp 30:3102-14. 2009
    ..Our results suggest a limited ability of the cerebrovascular adenosine system to compensate for high amounts of daily caffeine use...
  25. pmc Arterial spin-labeled MR perfusion imaging: clinical applications
    Jeffrey M Pollock
    Department of Radiology, Wake Forest University School of Medicine, Medical Center Boulevard, Winston Salem, NC 27157, USA
    Magn Reson Imaging Clin N Am 17:315-38. 2009
    ..The appearance of pathology is affected significantly by the ASL techniques used. Familiarity with the available sequence parameter options and the common appearances of pathology facilitates perfusion interpretation...
  26. ncbi request reprint Multiple reproducibility indices for evaluation of cognitive functional MR imaging paradigms
    Joseph A Maldjian
    Department of Radiology, Wake Forest University School of Medicine, Winston Salem, NC, USA
    AJNR Am J Neuroradiol 23:1030-7. 2002
    ..The purpose of this study was to evaluate a variety of reproducibility indices for cognitive functional MR imaging (fMRI) paradigms that account for both overlapping and extraneous regions of activation...
  27. pmc Multicenter, double-blind, randomized, intra-individual crossover comparison of gadobenate dimeglumine and gadopentetate dimeglumine in MRI of brain tumors at 3 tesla
    Zoran Rumboldt
    Medical University of South Carolina, Department of Radiology, Charleston, SC, USA
    J Magn Reson Imaging 29:760-7. 2009
    ..To prospectively compare 0.1 mmol/kg doses of gadobenate dimeglumine and gadopentetate dimeglumine for contrast-enhanced MRI of brain lesions at 3 Tesla (T)...
  28. ncbi request reprint Susceptibility contrast and arterial spin labeled perfusion MRI in cerebrovascular disease
    Ronald L Wolf
    Department of Radiology, University of Pennsylvania Medical Center, 3400 Spruce Street, Philadelphia, PA 19104, USA
    J Neuroimaging 13:17-27. 2003
    ....
  29. ncbi request reprint Integrating postprocessed functional MR images with picture archiving and communication systems
    Joseph A Maldjian
    Department of Radiology, Wake Forest University Baptist Medical Center, Winston Salem, NC, USA
    AJNR Am J Neuroradiol 23:1393-7. 2002
    ..The procedure can be used with any MR postprocessed dataset, and it can be extended to other imaging modalities...
  30. ncbi request reprint Decreased gray matter concentration in the insular, orbitofrontal, cingulate, and temporal cortices of cocaine patients
    Teresa R Franklin
    Addiction Treatment Research Center, Department of Psychiatry, University of Pennsylvania and Philadelphia VA Medical Center, Philadelphia, PA 19104 6178, USA
    Biol Psychiatry 51:134-42. 2002
    ..To date, a focal structural analysis of the brains of cocaine patients has not been undertaken...