Ramachandran Ramani

Summary

Affiliation: Yale University
Country: USA

Publications

  1. doi request reprint Understanding anesthesia through functional imaging
    Ramachandran Ramani
    Yale University School of Medicine, New Haven, Connecticut 06520 8051, USA
    Curr Opin Anaesthesiol 21:530-6. 2008
  2. ncbi request reprint Hypothermia for brain protection and resuscitation
    Ramachandran Ramani
    Yale University School of Medicine, New Haven, Connecticut 06520, USA
    Curr Opin Anaesthesiol 19:487-91. 2006
  3. pmc Sevoflurane 0.25 MAC preferentially affects higher order association areas: a functional magnetic resonance imaging study in volunteers
    Ramachandran Ramani
    Department of Anesthesia, Yale University School of Medicine, New Haven, CT 06520 8051, USA
    Anesth Analg 105:648-55. 2007
  4. ncbi request reprint Vagus nerve stimulation therapy for seizures
    Ramachandran Ramani
    Department of Anesthesia, Yale University School of Medicine, New Haven, CT 06520 8051, USA
    J Neurosurg Anesthesiol 20:29-35. 2008
  5. pmc Spatial nonuniformity of the resting CBF and BOLD responses to sevoflurane: in vivo study of normal human subjects with magnetic resonance imaging
    Maolin Qiu
    Department of Diagnostic Radiology, Yale University School of Medicine, The Anlyan Center N128, New Haven, Connecticut 06520 8042, USA
    Hum Brain Mapp 29:1390-9. 2008
  6. pmc Functional connectivity and alterations in baseline brain state in humans
    Roberto Martuzzi
    Department of Diagnostic Radiology, Yale University School of Medicine, The Anlyan Center, 300 Cedar Street, New Haven, CT 06520 8042, USA
    Neuroimage 49:823-34. 2010
  7. pmc The impact of NMDA receptor blockade on human working memory-related prefrontal function and connectivity
    Naomi R Driesen
    1 Department of Psychiatry, Connecticut Mental Health Center, Yale University School of Medicine, New Haven, CT, USA 2 Department of Neurology, Yale University School of Medicine, New Haven, CT, USA
    Neuropsychopharmacology 38:2613-22. 2013
  8. pmc Anesthetic effects on regional CBF, BOLD, and the coupling between task-induced changes in CBF and BOLD: an fMRI study in normal human subjects
    Maolin Qiu
    Department of Diagnostic Radiology, Yale University School of Medicine, New Haven, Connecticut 06520 2048, USA
    Magn Reson Med 60:987-96. 2008
  9. pmc A whole-brain voxel based measure of intrinsic connectivity contrast reveals local changes in tissue connectivity with anesthetic without a priori assumptions on thresholds or regions of interest
    Roberto Martuzzi
    Department of Diagnostic Radiology, Yale University School of Medicine, New Haven, CT, USA
    Neuroimage 58:1044-50. 2011
  10. pmc NMDA receptor function in large-scale anticorrelated neural systems with implications for cognition and schizophrenia
    Alan Anticevic
    Department of Psychiatry, Yale University School of Medicine, New Haven, CT 06510, USA
    Proc Natl Acad Sci U S A 109:16720-5. 2012

Detail Information

Publications12

  1. doi request reprint Understanding anesthesia through functional imaging
    Ramachandran Ramani
    Yale University School of Medicine, New Haven, Connecticut 06520 8051, USA
    Curr Opin Anaesthesiol 21:530-6. 2008
    ..This review will highlight the recent functional magnetic resonance imaging, positron emission tomogram scan and connectivity studies in anesthesia and analgesia...
  2. ncbi request reprint Hypothermia for brain protection and resuscitation
    Ramachandran Ramani
    Yale University School of Medicine, New Haven, Connecticut 06520, USA
    Curr Opin Anaesthesiol 19:487-91. 2006
    ..This review focuses on the possible reasons for our inability to translate into positive clinical trials what is observed consistently in laboratory models...
  3. pmc Sevoflurane 0.25 MAC preferentially affects higher order association areas: a functional magnetic resonance imaging study in volunteers
    Ramachandran Ramani
    Department of Anesthesia, Yale University School of Medicine, New Haven, CT 06520 8051, USA
    Anesth Analg 105:648-55. 2007
    ..In this study we measured the regional neuronal effects of 0.25 MAC sevoflurane in healthy volunteers and differentiated the effect between primary cortical regions and association areas...
  4. ncbi request reprint Vagus nerve stimulation therapy for seizures
    Ramachandran Ramani
    Department of Anesthesia, Yale University School of Medicine, New Haven, CT 06520 8051, USA
    J Neurosurg Anesthesiol 20:29-35. 2008
    ..In conclusion VNS seems to be an effective nonpharmacologic therapy for medically refractory partial onset seizures...
  5. pmc Spatial nonuniformity of the resting CBF and BOLD responses to sevoflurane: in vivo study of normal human subjects with magnetic resonance imaging
    Maolin Qiu
    Department of Diagnostic Radiology, Yale University School of Medicine, The Anlyan Center N128, New Haven, Connecticut 06520 8042, USA
    Hum Brain Mapp 29:1390-9. 2008
    ..The observed spatial nonuniformity of rCBF and BOLD signal changes suggests that any interpretation of BOLD fMRI data in the presence of an anesthetic requires consideration of these insights...
  6. pmc Functional connectivity and alterations in baseline brain state in humans
    Roberto Martuzzi
    Department of Diagnostic Radiology, Yale University School of Medicine, The Anlyan Center, 300 Cedar Street, New Haven, CT 06520 8042, USA
    Neuroimage 49:823-34. 2010
    ..These findings provide further evidence that fc-fMRI reflects intrinsic brain properties, while also demonstrating that 0.5 MAC sevoflurane anesthesia preferentially modulates higher-order connections...
  7. pmc The impact of NMDA receptor blockade on human working memory-related prefrontal function and connectivity
    Naomi R Driesen
    1 Department of Psychiatry, Connecticut Mental Health Center, Yale University School of Medicine, New Haven, CT, USA 2 Department of Neurology, Yale University School of Medicine, New Haven, CT, USA
    Neuropsychopharmacology 38:2613-22. 2013
    ..These results support the hypothesis that NMDA-Rs are critical for WM. The knowledge gained may be helpful in understanding disorders that might involve glutamatergic deficits such as schizophrenia and developing better treatments. ..
  8. pmc Anesthetic effects on regional CBF, BOLD, and the coupling between task-induced changes in CBF and BOLD: an fMRI study in normal human subjects
    Maolin Qiu
    Department of Diagnostic Radiology, Yale University School of Medicine, New Haven, Connecticut 06520 2048, USA
    Magn Reson Med 60:987-96. 2008
    ....
  9. pmc A whole-brain voxel based measure of intrinsic connectivity contrast reveals local changes in tissue connectivity with anesthetic without a priori assumptions on thresholds or regions of interest
    Roberto Martuzzi
    Department of Diagnostic Radiology, Yale University School of Medicine, New Haven, CT, USA
    Neuroimage 58:1044-50. 2011
    ..This work highlights the importance of such voxel based connectivity methodology...
  10. pmc NMDA receptor function in large-scale anticorrelated neural systems with implications for cognition and schizophrenia
    Alan Anticevic
    Department of Psychiatry, Yale University School of Medicine, New Haven, CT 06510, USA
    Proc Natl Acad Sci U S A 109:16720-5. 2012
    ..Together, the present findings establish links between glutamate's role in the organization of large-scale anticorrelated neural systems, cognition, and symptoms associated with schizophrenia in humans...
  11. ncbi request reprint Sedation after spinal anesthesia in elderly patients: a preliminary observational study with the PSA-4000
    Viji Kurup
    Department of Anesthesiology, Yale University School of Medicine, New Haven, Connecticut 06520 8051, USA
    Can J Anaesth 51:562-5. 2004
    ..The purpose of the present study was to quantify the sedative effect of spinal anesthesia and to determine the time of maximum sedation...
  12. doi request reprint Remifentanil-induced cerebral blood flow effects
    Ramachandran Ramani
    Anesth Analg 106:347; author reply 347-8. 2008