I Prohovnik

Summary

Affiliation: Mount Sinai School of Medicine
Country: USA

Publications

  1. ncbi Cerebral blood flow patterns underlying the differential impairment in category vs letter fluency in Alzheimer's disease
    J G Keilp
    Department of Brain Imaging, New York State Psychiatric Institute, New York, USA
    Neuropsychologia 37:1251-61. 1999
  2. pmc Thalamo-striatal diffusion reductions precede disease onset in prion mutation carriers
    Hedok Lee
    MIRECC, Bronx VAMC, 130 W Kingsbridge Road, NY 10468, USA
    Brain 132:2680-7. 2009
  3. doi Hemodynamic etiology of elevated flow velocity and stroke in sickle-cell disease
    Isak Prohovnik
    Department of Psychiatry and Radiology, Mount Sinai School of Medicine, New York, New York 10029, USA
    J Cereb Blood Flow Metab 29:803-10. 2009
  4. ncbi Functional MRI changes before and after onset of reported emotions
    Isak Prohovnik
    Department of Diagnostic Radiology, Yale University School of Medicine, New Haven, CT, USA
    Psychiatry Res 132:239-50. 2004
  5. ncbi Dissociation of neuropathology from severity of dementia in late-onset Alzheimer disease
    I Prohovnik
    Department of Psychiatry, Mount Sinai School of Medicine, New York, NY, USA
    Neurology 66:49-55. 2006
  6. ncbi Cerebrovascular effects of hemodialysis in chronic kidney disease
    Isak Prohovnik
    Department of Psychiatry, Mount Sinai School of Medicine, New York, NY, USA
    J Cereb Blood Flow Metab 27:1861-9. 2007
  7. doi Cerebral white matter disruption in Creutzfeldt-Jakob disease
    H Lee
    Department of Psychiatry, Mount Sinai School of Medicine, New York, New York 10029, USA
    AJNR Am J Neuroradiol 33:1945-50. 2012
  8. pmc Number of children is associated with neuropathology of Alzheimer's disease in women
    Michal Schnaider Beeri
    The Mount Sinai School of Medicine, Department of Psychiatry, New York, NY 10029, USA
    Neurobiol Aging 30:1184-91. 2009
  9. doi Neural correlates of emotion processing in borderline personality disorder
    Harold W Koenigsberg
    Mount Sinai School of Medicine, New York, NY, United States
    Psychiatry Res 172:192-9. 2009
  10. ncbi Functional magnetic resonance imaging of cocaine craving
    B E Wexler
    Department of Psychiatry, Yale University School of Medicine, New Haven, CT 06519, USA
    Am J Psychiatry 158:86-95. 2001

Research Grants

  1. Neuroimaging of Genetically-Defined Incipient CJD
    Isak Prohovnik; Fiscal Year: 2007

Collaborators

Detail Information

Publications18

  1. ncbi Cerebral blood flow patterns underlying the differential impairment in category vs letter fluency in Alzheimer's disease
    J G Keilp
    Department of Brain Imaging, New York State Psychiatric Institute, New York, USA
    Neuropsychologia 37:1251-61. 1999
    ..Letter Fluency deficits, on the other hand, carry significant information about the degree to which perfusion deficits have spread to frontal cortex...
  2. pmc Thalamo-striatal diffusion reductions precede disease onset in prion mutation carriers
    Hedok Lee
    MIRECC, Bronx VAMC, 130 W Kingsbridge Road, NY 10468, USA
    Brain 132:2680-7. 2009
    ..Further, we suggest that the abnormalities in healthy mutation-carrying subjects may reflect the accumulation of abnormal prion protein and/or associated vacuolation at this time, temporally close to disease onset...
  3. doi Hemodynamic etiology of elevated flow velocity and stroke in sickle-cell disease
    Isak Prohovnik
    Department of Psychiatry and Radiology, Mount Sinai School of Medicine, New York, New York 10029, USA
    J Cereb Blood Flow Metab 29:803-10. 2009
    ....
  4. ncbi Functional MRI changes before and after onset of reported emotions
    Isak Prohovnik
    Department of Diagnostic Radiology, Yale University School of Medicine, New Haven, CT, USA
    Psychiatry Res 132:239-50. 2004
    ..The neural correlates of the evoked emotion are multiple, widely distributed, and inclusive of areas important in many cognitive tasks. Positive and negative emotional responses include activation of common and distinctive brain regions...
  5. ncbi Dissociation of neuropathology from severity of dementia in late-onset Alzheimer disease
    I Prohovnik
    Department of Psychiatry, Mount Sinai School of Medicine, New York, NY, USA
    Neurology 66:49-55. 2006
    ..Little is known about Alzheimer disease at advanced ages, although its incidence continues to increase at least through the ninth decade of life...
  6. ncbi Cerebrovascular effects of hemodialysis in chronic kidney disease
    Isak Prohovnik
    Department of Psychiatry, Mount Sinai School of Medicine, New York, NY, USA
    J Cereb Blood Flow Metab 27:1861-9. 2007
    ..Coupled with low cerebral oxygenation levels and atherosclerosis, this may contribute significantly to the etiology of the observed cerebral atrophy, cognitive deficits, and high stroke prevalence...
  7. doi Cerebral white matter disruption in Creutzfeldt-Jakob disease
    H Lee
    Department of Psychiatry, Mount Sinai School of Medicine, New York, New York 10029, USA
    AJNR Am J Neuroradiol 33:1945-50. 2012
    ..We used DTI to test the hypothesis that white matter integrity is disrupted in human CJD during the early stages of the disease...
  8. pmc Number of children is associated with neuropathology of Alzheimer's disease in women
    Michal Schnaider Beeri
    The Mount Sinai School of Medicine, Department of Psychiatry, New York, NY 10029, USA
    Neurobiol Aging 30:1184-91. 2009
    ..To examine the association between number of born children and neuropathology of Alzheimer's disease (AD)...
  9. doi Neural correlates of emotion processing in borderline personality disorder
    Harold W Koenigsberg
    Mount Sinai School of Medicine, New York, NY, United States
    Psychiatry Res 172:192-9. 2009
    ..The patients activate neural networks in emotion processing that are phylogeneticall older and more reflexive than those activated by HC subjects...
  10. ncbi Functional magnetic resonance imaging of cocaine craving
    B E Wexler
    Department of Psychiatry, Yale University School of Medicine, New Haven, CT 06519, USA
    Am J Psychiatry 158:86-95. 2001
    ..Identification of brain activity associated with craving is important for understanding the neurobiology of addiction...
  11. doi Enhanced detection of diffusion reductions in Creutzfeldt-Jakob disease at a higher B factor
    H Lee
    Department of Psychiatry, Mount Sinai School of Medicine, One Gustave Levy Pl, New York, NY 10029, USA
    AJNR Am J Neuroradiol 31:49-54. 2010
    ..The magnitude of diffusion weighting, termed "b factor," has only been evaluated at the standard b = 1000 s/mm(2). This is the first rigorous evaluation of b = 2000 s/mm(2) in Creutzfeldt-Jakob Disease (CJD)...
  12. doi MR imaging of familial Creutzfeldt-Jakob disease: a blinded and controlled study
    R K Fulbright
    Department of Radiology, Yale University School of Medicine, New Haven, CT 06520 8043, USA
    AJNR Am J Neuroradiol 29:1638-43. 2008
    ..The purpose of this study was to conduct a controlled and blinded evaluation of the sensitivity and specificity of MR imaging in this unique population...
  13. ncbi Regional cerebral blood flow and cognitive deficits in chronic lyme disease
    Brian A Fallon
    The NYS Psychiatric Institute, New York, New York 10032, USA
    J Neuropsychiatry Clin Neurosci 15:326-32. 2003
    ..66, p=.027) and visuospatial organization (r=.62, p=.041). Results suggest that Lyme encephalopathy may be a disease primarily affecting the cerebral white matter...
  14. pmc Putaminal volume and diffusion in early familial Creutzfeldt-Jakob disease
    Ilana Seror
    Department of Psychiatry, Mount Sinai School of Medicine, P O Box 1230, One Gustave Levy Place, New York, NY 10029, USA
    J Neurol Sci 288:129-34. 2010
    ..To our knowledge, its volume has never been measured in this disease. We investigated whether gross putaminal atrophy can be detected by MRI in early stages, when the diffusion is already reduced...
  15. doi The effects of hypertension on the paediatric brain: a justifiable concern
    Madhu Sharma
    Department of Pediatrics, Maimonides Infants and Childrens Hospital, New York, NY, USA
    Lancet Neurol 9:933-40. 2010
    ..Furthermore, accurate biomarkers to define cognitive abnormalities and cerebral involvement need to be identified...
  16. ncbi The imaging appearance of Creutzfeldt-Jakob disease caused by the E200K mutation
    Robert K Fulbright
    Department of Radiology, Yale University School of Medicine, MRRC, The Anlyan Center N137, P O Box 208043, New Haven, CT 06520 8043, USA
    Magn Reson Imaging 24:1121-9. 2006
    ..These results provide a framework for future study of patients with genetically defined familial CJD...
  17. ncbi Increased cerebral blood flow after brain arteriovenous malformation resection is substantially independent of changes in cardiac output
    Tomoki Hashimoto
    Department of Anesthesia and Perioperative Care, University of California San Francisco, San Francisco, California 94110, USA
    J Neurosurg Anesthesiol 14:204-8. 2002
    ..The change in CBFGLOBAL was not correlated with changes in CO (r =.154, P =.517). BAVM resection resulted in global increases in CBF that was not substantially related to changes in CO or other systemic parameters...

Research Grants2

  1. Neuroimaging of Genetically-Defined Incipient CJD
    Isak Prohovnik; Fiscal Year: 2007
    ....