Richard J Maddock

Summary

Affiliation: University of California
Country: USA

Publications

  1. pmc 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 95817, USA
    Biol Psychiatry 73:1111-9. 2013
  2. doi Vigorous exercise increases brain lactate and Glx (glutamate+glutamine): a dynamic 1H-MRS study
    Richard J Maddock
    Imaging Research Center, University of California Davis Medical Center, Sacramento, CA 95817, USA
    Neuroimage 57:1324-30. 2011
  3. ncbi Activation of left posterior cingulate gyrus by the auditory presentation of threat-related words: an fMRI study
    R J Maddock
    Department of Psychiatry, University of California Davis, School of Medicine, Sacramento 95817, USA
    Psychiatry Res 75:1-14. 1997
  4. ncbi The lactic acid response to alkalosis in panic disorder : an integrative review
    R J Maddock
    Department of Psychiatry, University of California Davis School of Medicine, 95817, USA
    J Neuropsychiatry Clin Neurosci 13:22-34. 2001
  5. doi Elevated brain lactate responses to neural activation in panic disorder: a dynamic 1H-MRS study
    R J Maddock
    Department of Psychiatry, University of California Davis Medical Center, Sacramento, CA 95817, USA
    Mol Psychiatry 14:537-45. 2009
  6. pmc Brain lactate responses during visual stimulation in fasting and hyperglycemic subjects: a proton magnetic resonance spectroscopy study at 1.5 Tesla
    Richard J Maddock
    Department of Psychiatry and Behavioral Sciences, University of California Davis, Sacramento, CA 95817, USA
    Psychiatry Res 148:47-54. 2006
  7. ncbi Posterior cingulate cortex activation by emotional words: fMRI evidence from a valence decision task
    Richard J Maddock
    Department of Psychiatry, University of California Davis Medical Center, 2230 Stockton Boulevard, Sacramento, CA 95817, USA
    Hum Brain Mapp 18:30-41. 2003
  8. ncbi Brain regions showing increased activation by threat-related words in panic disorder
    Richard J Maddock
    Department of Radiology, University of California Davis, 4801 X St, Sacramento, California 95817, USA
    Neuroreport 14:325-8. 2003
  9. ncbi Separating subjective emotion from the perception of emotion-inducing stimuli: an fMRI study
    Amy S Garrett
    Department of Psychiatry, Stanford University School of Medicine, 401 Quarry Road, CA 94305 5795, USA
    Neuroimage 33:263-74. 2006
  10. ncbi Neurosarcoidosis and delirium
    James A Bourgeois
    Department of Psychiatry and Behavioral Sciences, University of California Davis Medical Center, 2230 Stockton Blvd, Sacramento, CA 95817, USA
    Psychosomatics 46:148-50. 2005

Research Grants

Detail Information

Publications15

  1. pmc 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 95817, USA
    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...
  2. doi Vigorous exercise increases brain lactate and Glx (glutamate+glutamine): a dynamic 1H-MRS study
    Richard J Maddock
    Imaging Research Center, University of California Davis Medical Center, Sacramento, CA 95817, USA
    Neuroimage 57:1324-30. 2011
    ..The possible relevance of these findings to panic disorder and major depression is discussed...
  3. ncbi Activation of left posterior cingulate gyrus by the auditory presentation of threat-related words: an fMRI study
    R J Maddock
    Department of Psychiatry, University of California Davis, School of Medicine, Sacramento 95817, USA
    Psychiatry Res 75:1-14. 1997
    ..The retrosplenial cingulate region has recently been implicated in episodic memory processes. We discuss the possible role of the posterior cingulate cortex in processes involving emotion and memory and in anxiety disorders...
  4. ncbi The lactic acid response to alkalosis in panic disorder : an integrative review
    R J Maddock
    Department of Psychiatry, University of California Davis School of Medicine, 95817, USA
    J Neuropsychiatry Clin Neurosci 13:22-34. 2001
    ..This review suggests a theoretical framework for future magnetic resonance spectroscopy studies that can test some of the predictions of these competing models...
  5. doi Elevated brain lactate responses to neural activation in panic disorder: a dynamic 1H-MRS study
    R J Maddock
    Department of Psychiatry, University of California Davis Medical Center, Sacramento, CA 95817, USA
    Mol Psychiatry 14:537-45. 2009
    ....
  6. pmc Brain lactate responses during visual stimulation in fasting and hyperglycemic subjects: a proton magnetic resonance spectroscopy study at 1.5 Tesla
    Richard J Maddock
    Department of Psychiatry and Behavioral Sciences, University of California Davis, Sacramento, CA 95817, USA
    Psychiatry Res 148:47-54. 2006
    ..5 T and show that variations in blood glucose across the normal range have little effect on this response...
  7. ncbi Posterior cingulate cortex activation by emotional words: fMRI evidence from a valence decision task
    Richard J Maddock
    Department of Psychiatry, University of California Davis Medical Center, 2230 Stockton Boulevard, Sacramento, CA 95817, USA
    Hum Brain Mapp 18:30-41. 2003
    ..The results also extend prior findings that evaluating emotional words consistently activates the subgenual cingulate cortex, and suggest a means of probing this region in patients with mood disorders...
  8. ncbi Brain regions showing increased activation by threat-related words in panic disorder
    Richard J Maddock
    Department of Radiology, University of California Davis, 4801 X St, Sacramento, California 95817, USA
    Neuroreport 14:325-8. 2003
    ..The increased responsivity observed in the posterior cingulate and dorsolateral prefrontal cortices is consistent with the hypothesis that panic disorder patients engage in more extensive memory processing of threat-related stimuli...
  9. ncbi Separating subjective emotion from the perception of emotion-inducing stimuli: an fMRI study
    Amy S Garrett
    Department of Psychiatry, Stanford University School of Medicine, 401 Quarry Road, CA 94305 5795, USA
    Neuroimage 33:263-74. 2006
    ....
  10. ncbi Neurosarcoidosis and delirium
    James A Bourgeois
    Department of Psychiatry and Behavioral Sciences, University of California Davis Medical Center, 2230 Stockton Blvd, Sacramento, CA 95817, USA
    Psychosomatics 46:148-50. 2005
  11. ncbi Effects of lorazepam on the distribution of spatial attention
    R B Post
    Department of Psychology, University of California, Davis 95616, USA
    Exp Clin Psychopharmacol 5:143-9. 1997
    ..The possibility that lorazepam selectively impairs the disengage component of attentional movement is discussed...
  12. pmc 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...
  13. ncbi Remembering familiar people: the posterior cingulate cortex and autobiographical memory retrieval
    R J Maddock
    Depaartment of Psychiatry, University of California Davis, Sacramento 65817, USA
    Neuroscience 104:667-76. 2001
    ..Our findings suggest that autobiographical memory retrieval tasks could be used to probe the functional status of the posterior cingulate cortex in patients with early Alzheimer's disease or at risk for that condition...
  14. ncbi Elevated serum lactate following hyperventilation during glucose infusion in panic disorder
    R J Maddock
    Department of Psychiatry, University of California Davis School of Medicine
    Biol Psychiatry 27:411-8. 1990
    ..There was no evidence of a relationship between the increase in lactate or the associated decrease in phosphate and the level of anxiety produced by this procedure...
  15. ncbi Impaired recognition of facial expressions of emotion in Alzheimer's disease
    Rita Hargrave
    Department of Psychiatry, University of California, Davis, USA
    J Neuropsychiatry Clin Neurosci 14:64-71. 2002
    ..The authors conclude that patients with AD have deficits in recognizing facial emotions, which may be independent of their impairment in recognizing nonemotional features of faces...

Research Grants3

  1. Brain Lactate and Photic Stimulation in Panic Disorder
    RICHARD MADDOCK; Fiscal Year: 2005
    ..The results of this study will constrain the possible models that can account for this phenomenon and guide future studies of the underlying pathophysiology of panic disorder. ..
  2. MRS and fMRI Studies of Neurobiological Factors in Panic Disorder
    RICHARD MADDOCK; Fiscal Year: 2007
    ..This project will test predictions of each theory about fear responses and brain metabolism in panic patients in order to better understand what causes panic disorder. ..