John P John

Summary

Affiliation: National Institute of Mental Health and Neurosciences
Country: India

Publications

  1. ncbi Exploration of dimensions of psychopathology in neuroleptic-naïve patients with recent-onset schizophrenia/schizophreniform disorder
    John P John
    Department of Psychiatry, National Institute of Mental Health and Neurosciences NIMHANS, Dharmaram P O, Bangalore 560 029, India
    Psychiatry Res 121:11-20. 2003
  2. ncbi Regional brain activation/deactivation during word generation in schizophrenia: fMRI study
    John P John
    Department of Psychiatry, National Institute of Mental Health and Neurosciences, Bangalore, Karnataka, India
    Br J Psychiatry 198:213-22. 2011
  3. ncbi EEG power spectra differentiate positive and negative subgroups in neuroleptic-naive schizophrenia patients
    John P John
    Department of Psychiatry at NIMH and Neurosciences NIMHANS, Bangalore, India
    J Neuropsychiatry Clin Neurosci 21:160-72. 2009
  4. ncbi Corpus callosal area differences and gender dimorphism in neuroleptic-naïve, recent-onset schizophrenia and healthy control subjects
    John P John
    Department of Psychiatry, National Institute of Mental Health and Neurosciences NIMHANS, Bangalore, India
    Schizophr Res 103:11-21. 2008
  5. ncbi A proposal for MRI-based parcellation of the frontal pole
    John P John
    Department of Psychiatry, National Institute of Mental Health and Neurosciences, P B No 2900, Dharmaram P O, Hosur Road, Bangalore, Karnataka, 560029, India
    Brain Struct Funct 212:245-53. 2007
  6. ncbi Inter-rater reliability of manual segmentation of the superior, inferior and middle frontal gyri
    John P John
    Department of Psychiatry, National Institute of Mental Health and Neurosciences NIMHANS, Hosur Road, Bangalore 560 029, Karnataka, India
    Psychiatry Res 148:151-63. 2006
  7. ncbi Differential relationship of frontal pole and whole brain volumetric measures with age in neuroleptic-naïve schizophrenia and healthy subjects
    John P John
    Department of Psychiatry, National Institute of Mental Health and Neurosciences NIMHANS, Bangalore, India
    Schizophr Res 109:148-58. 2009
  8. ncbi Apolipoprotein E4 and brain white matter integrity in Alzheimer's disease: tract-based spatial statistics study under 3-Tesla MRI
    Bhavani Shankara Bagepally
    National Institute of Mental Health and Neurosciences, Bangalore, India
    Neurodegener Dis 10:145-8. 2012
  9. ncbi Psychological impact of the tsunami on elderly survivors
    Biju Viswanath
    Department of Psychiatry, National Institute of Mental Health and Neurosciences, Bangalore, India
    Am J Geriatr Psychiatry 20:402-7. 2012
  10. ncbi Expanding the schizophrenia phenotype: a composite evaluation of neurodevelopmental markers
    John P John
    Department of Psychiatry, National Institute of Mental Health and Neurosciences, Bangalore, Bangalore 560 029, India
    Compr Psychiatry 49:78-86. 2008

Collaborators

Detail Information

Publications11

  1. ncbi Exploration of dimensions of psychopathology in neuroleptic-naïve patients with recent-onset schizophrenia/schizophreniform disorder
    John P John
    Department of Psychiatry, National Institute of Mental Health and Neurosciences NIMHANS, Dharmaram P O, Bangalore 560 029, India
    Psychiatry Res 121:11-20. 2003
    ....
  2. ncbi Regional brain activation/deactivation during word generation in schizophrenia: fMRI study
    John P John
    Department of Psychiatry, National Institute of Mental Health and Neurosciences, Bangalore, Karnataka, India
    Br J Psychiatry 198:213-22. 2011
    ..Examination of the brain regions that show aberrant activations and/or deactivations during semantic word generation could pave the way for a better understanding of the neurobiology of cognitive dysfunction in schizophrenia...
  3. ncbi EEG power spectra differentiate positive and negative subgroups in neuroleptic-naive schizophrenia patients
    John P John
    Department of Psychiatry at NIMH and Neurosciences NIMHANS, Bangalore, India
    J Neuropsychiatry Clin Neurosci 21:160-72. 2009
    ....
  4. ncbi Corpus callosal area differences and gender dimorphism in neuroleptic-naïve, recent-onset schizophrenia and healthy control subjects
    John P John
    Department of Psychiatry, National Institute of Mental Health and Neurosciences NIMHANS, Bangalore, India
    Schizophr Res 103:11-21. 2008
    ..Additionally, the finding of females having larger areas of the whole CC and of the anterior and middle sub-regions could reflect a "normal hyperconnection" underlying increased ambilaterality in females...
  5. ncbi A proposal for MRI-based parcellation of the frontal pole
    John P John
    Department of Psychiatry, National Institute of Mental Health and Neurosciences, P B No 2900, Dharmaram P O, Hosur Road, Bangalore, Karnataka, 560029, India
    Brain Struct Funct 212:245-53. 2007
    ..Therefore, in the absence of a naturally occurring sulcal boundary, the proposed method for parcellation of the FP can provide unbiased volume estimations for studies of healthy and disordered populations of subjects...
  6. ncbi Inter-rater reliability of manual segmentation of the superior, inferior and middle frontal gyri
    John P John
    Department of Psychiatry, National Institute of Mental Health and Neurosciences NIMHANS, Hosur Road, Bangalore 560 029, Karnataka, India
    Psychiatry Res 148:151-63. 2006
    ..97, 0.94 and 0.93, respectively. Thus, we describe a reliable method of parcellating the SFG, IFG and MFG, which constitute the DLPFC, a brain region involved in a variety of neuropsychiatric conditions...
  7. ncbi Differential relationship of frontal pole and whole brain volumetric measures with age in neuroleptic-naïve schizophrenia and healthy subjects
    John P John
    Department of Psychiatry, National Institute of Mental Health and Neurosciences NIMHANS, Bangalore, India
    Schizophr Res 109:148-58. 2009
    ..These findings have implications in understanding the possible role of FP in the pathophysiology of schizophrenia...
  8. ncbi Apolipoprotein E4 and brain white matter integrity in Alzheimer's disease: tract-based spatial statistics study under 3-Tesla MRI
    Bhavani Shankara Bagepally
    National Institute of Mental Health and Neurosciences, Bangalore, India
    Neurodegener Dis 10:145-8. 2012
    ..Apolipoprotein E4 (ApoE ε4) polymorphism is a known genetic risk factor for Alzheimer's disease (AD)...
  9. ncbi Psychological impact of the tsunami on elderly survivors
    Biju Viswanath
    Department of Psychiatry, National Institute of Mental Health and Neurosciences, Bangalore, India
    Am J Geriatr Psychiatry 20:402-7. 2012
    ..The study aimed at comparing the psychiatric morbidity in geriatric versus nongeriatric (NG) adults during the initial 3 months following the December 2004 tsunami involving the Andaman and Nicobar Islands, India...
  10. ncbi Expanding the schizophrenia phenotype: a composite evaluation of neurodevelopmental markers
    John P John
    Department of Psychiatry, National Institute of Mental Health and Neurosciences, Bangalore, Bangalore 560 029, India
    Compr Psychiatry 49:78-86. 2008
    ..Minor physical anomalies and NSSs constitute independent neurodevelopmental markers of schizophrenia and would afford greater predictive validity when used as a composite endophenotype in genetic association studies...
  11. ncbi Delusion of test-tube pregnancy in a sexually abused girl
    P N Manoj
    Department of Psychiatry, National Institute of Mental Health and Neurosciences, Bangalore, India
    Psychopathology 37:152-4. 2004
    ..The reported case illustrates the importance of contemporary themes in the evolution of psychopathology...