Jong H Yoon

Summary

Affiliation: University of California
Country: USA

Publications

  1. ncbi Automated classification of fMRI during cognitive control identifies more severely disorganized subjects with schizophrenia
    Jong H Yoon
    Department of Psychiatry and Imaging Research Center, University of California Davis School of Medicine, Sacramento CA, USA
    Schizophr Res 135:28-33. 2012
  2. ncbi GABA concentration is reduced in visual cortex in schizophrenia and correlates with orientation-specific surround suppression
    Jong H Yoon
    Department of Psychiatry and Imaging Research Center, University of California, Davis, Davis, California 95817, USA
    J Neurosci 30:3777-81. 2010
  3. ncbi Diminished orientation-specific surround suppression of visual processing in schizophrenia
    Jong H Yoon
    Department of Psychiatry and Imaging Research Center, University of California Davis, 4701 X Street, Sacramento, CA 95817, USA
    Schizophr Bull 35:1078-84. 2009
  4. ncbi Differential effects of distraction during working memory on delay-period activity in the prefrontal cortex and the visual association cortex
    Jong H Yoon
    Henry H Wheeler Jr Brain Imaging Center, 132 Barker Hall, University of California Berkeley, Berkeley, CA 94720 1650, USA
    Neuroimage 29:1117-26. 2006
  5. ncbi Multivariate pattern analysis of functional magnetic resonance imaging data reveals deficits in distributed representations in schizophrenia
    Jong H Yoon
    Department of Psychiatry and Imaging Research Center, University of California Davis, Sacramento, California 95817, USA
    Biol Psychiatry 64:1035-41. 2008
  6. ncbi Segregation of function in the lateral prefrontal cortex during visual object working memory
    Jong H Yoon
    Department of Psychiatry, University of California Davis, Sacramento, CA 95817, USA
    Brain Res 1184:217-25. 2007
  7. ncbi Preserved function of the fusiform face area in schizophrenia as revealed by fMRI
    Jong H Yoon
    University of California Davis Imaging Research Center, Department of Psychiatry and Behavioral Sciences, University of California Davis, 4701 X St, Sacramento, CA 95817, USA
    Psychiatry Res 148:205-16. 2006
  8. ncbi Prefrontal cortical deficits and impaired cognition-emotion interactions in schizophrenia
    Stefan Ursu
    Department of Psychiatry and Behavioral Sciences, School of Medicine, University of California, Davis, Sacramento, CA 95817, USA
    Am J Psychiatry 168:276-85. 2011
  9. ncbi Modafinil modulation of the default mode network
    Michael J Minzenberg
    Department of Psychiatry, University of California, Davis School of Medicine, Sacramento, CA, USA
    Psychopharmacology (Berl) 215:23-31. 2011
  10. ncbi Association of dorsolateral prefrontal cortex dysfunction with disrupted coordinated brain activity in schizophrenia: relationship with impaired cognition, behavioral disorganization, and global function
    Jong H Yoon
    Department of Psychiatry and Imaging Research Center, University of California, Davis, Sacramento, Calif 95817, USA
    Am J Psychiatry 165:1006-14. 2008

Research Grants

  1. fMRI Investigation of Active Maintenance in Schizophrenia
    JONG YOON; Fiscal Year: 2007

Detail Information

Publications16

  1. ncbi Automated classification of fMRI during cognitive control identifies more severely disorganized subjects with schizophrenia
    Jong H Yoon
    Department of Psychiatry and Imaging Research Center, University of California Davis School of Medicine, Sacramento CA, USA
    Schizophr Res 135:28-33. 2012
    ..Independent validation of classification-based phenotypes using other biological data such as genetics would provide a strong test of this hypothesis...
  2. ncbi GABA concentration is reduced in visual cortex in schizophrenia and correlates with orientation-specific surround suppression
    Jong H Yoon
    Department of Psychiatry and Imaging Research Center, University of California, Davis, Davis, California 95817, USA
    J Neurosci 30:3777-81. 2010
    ..10). These results suggest that a neocortical GABA deficit in subjects with schizophrenia leads to impaired cortical inhibition and that GABAergic synaptic transmission in visual cortex plays a critical role in OSSS...
  3. ncbi Diminished orientation-specific surround suppression of visual processing in schizophrenia
    Jong H Yoon
    Department of Psychiatry and Imaging Research Center, University of California Davis, 4701 X Street, Sacramento, CA 95817, USA
    Schizophr Bull 35:1078-84. 2009
    ..In conjunction with physiological and anatomical evidence from basic and postmortem studies, our results suggest a deficit of inhibition in primary visual cortex in schizophrenia...
  4. ncbi Differential effects of distraction during working memory on delay-period activity in the prefrontal cortex and the visual association cortex
    Jong H Yoon
    Henry H Wheeler Jr Brain Imaging Center, 132 Barker Hall, University of California Berkeley, Berkeley, CA 94720 1650, USA
    Neuroimage 29:1117-26. 2006
    ..Furthermore, persistent coactivation between the PFC and sensory areas may be a mechanism by which information is actively maintained...
  5. ncbi Multivariate pattern analysis of functional magnetic resonance imaging data reveals deficits in distributed representations in schizophrenia
    Jong H Yoon
    Department of Psychiatry and Imaging Research Center, University of California Davis, Sacramento, California 95817, USA
    Biol Psychiatry 64:1035-41. 2008
    ..We applied this method to test the hypothesis of the impairment in distributed representations in schizophrenia. We also compared the results of this method with traditional general linear model (GLM)-based univariate analysis...
  6. ncbi Segregation of function in the lateral prefrontal cortex during visual object working memory
    Jong H Yoon
    Department of Psychiatry, University of California Davis, Sacramento, CA 95817, USA
    Brain Res 1184:217-25. 2007
    ..Our results suggest that the ventrolateral PFC supports retrospective sensory representations while the dorsolateral PFC supports prospective action representations...
  7. ncbi Preserved function of the fusiform face area in schizophrenia as revealed by fMRI
    Jong H Yoon
    University of California Davis Imaging Research Center, Department of Psychiatry and Behavioral Sciences, University of California Davis, 4701 X St, Sacramento, CA 95817, USA
    Psychiatry Res 148:205-16. 2006
    ..The FFA, a critical region in the neural system subserving the perceptual processing of faces, appears to be intact in schizophrenia. These results call into question the presence of a specific face processing deficit in schizophrenia...
  8. ncbi Prefrontal cortical deficits and impaired cognition-emotion interactions in schizophrenia
    Stefan Ursu
    Department of Psychiatry and Behavioral Sciences, School of Medicine, University of California, Davis, Sacramento, CA 95817, USA
    Am J Psychiatry 168:276-85. 2011
    ....
  9. ncbi Modafinil modulation of the default mode network
    Michael J Minzenberg
    Department of Psychiatry, University of California, Davis School of Medicine, Sacramento, CA, USA
    Psychopharmacology (Berl) 215:23-31. 2011
    ..How this network is modulated by neurochemical systems during functional brain activity is not yet understood...
  10. ncbi Association of dorsolateral prefrontal cortex dysfunction with disrupted coordinated brain activity in schizophrenia: relationship with impaired cognition, behavioral disorganization, and global function
    Jong H Yoon
    Department of Psychiatry and Imaging Research Center, University of California, Davis, Sacramento, Calif 95817, USA
    Am J Psychiatry 165:1006-14. 2008
    ....
  11. ncbi Gamma oscillatory power is impaired during cognitive control independent of medication status in first-episode schizophrenia
    Michael J Minzenberg
    Department of Psychiatry, University of California, Davis School of Medicine, Sacramento, CA 95817, USA
    Neuropsychopharmacology 35:2590-9. 2010
    ..This suggests that altered local circuit function supporting high-frequency oscillatory activity in prefrontal cortex ensembles may serve as the pathophysiological substrate of cognitive control deficits in schizophrenia...
  12. ncbi Excessive contralateral motor overflow in schizophrenia measured by fMRI
    Michael J Minzenberg
    Department of Psychiatry, University of California, Davis School of Medicine, Sacramento, CA, USA
    Psychiatry Res 202:38-45. 2012
    ..This pathological motor overflow may be partly due to altered modulation of intended movement within the basal ganglia and premotor cortex...
  13. ncbi Modafinil shifts human locus coeruleus to low-tonic, high-phasic activity during functional MRI
    Michael J Minzenberg
    Department of Psychiatry, University of California, Davis School of Medicine, Sacramento, CA, USA
    Science 322:1700-2. 2008
    ..These results confirm in humans the role of the LC-NE system in PFC function and cognitive control and suggest a mechanism for therapeutic action of procognitive noradrenergic agents...
  14. ncbi Broader visual orientation tuning in patients with schizophrenia
    Ariel Rokem
    Helen Wills Neuroscience Institute, University of California Berkeley, CA, USA
    Front Hum Neurosci 5:127. 2011
    ..These results suggest that our finding of broader orientation tuning in SZ may be due to diminished visual cortical GABA levels...
  15. ncbi Abnormal activity-dependent brain lactate and glutamate+glutamine responses in panic disorder
    Richard J Maddock
    Department of Psychiatry, University of California Davis Medical Center, Sacramento, California Department of Imaging Research Center, University of California Davis Medical Center, Sacramento, California Electronic address
    Biol Psychiatry 73:1111-9. 2013
    ..However, prior studies in PD have not measured activity-dependent changes in brain metabolites other than lactate. Here we examine activity-dependent changes in both lactate and glutamate plus glutamine (glx) in PD...
  16. ncbi An index of relative central α-adrenergic receptor antagonism by antipsychotic medications
    Michael J Minzenberg
    Department of Psychiatry, University of California, Davis School of Medicine, Sacramento, CA 95817, USA
    Exp Clin Psychopharmacol 19:31-9. 2011
    ..This index of HALα equivalents should facilitate the determination of the effects of α-adrenergic antagonism by these medications on clinical efficacy, side effects, and biological and cognitive measures of illness and treatment...

Research Grants2

  1. fMRI Investigation of Active Maintenance in Schizophrenia
    JONG YOON; Fiscal Year: 2007
    ..I plan to conduct these studies employing sophisticated neuroimaging and analytical techniques to examine the dynamic interactions of the DLPFC with the visual system. ..