Mark W Willis

Summary

Affiliation: National Institutes of Health
Country: USA

Publications

  1. ncbi Age, sex and laterality effects on cerebral glucose metabolism in healthy adults
    Mark W Willis
    Biological Psychiatry Branch, National Institute of Mental Health, 10 Center Drive MSC 1272, Bethesda, MD 20892 1272, USA
    Psychiatry Res 114:23-37. 2002
  2. ncbi Intensity-dependent regional cerebral blood flow during 1-Hz repetitive transcranial magnetic stimulation (rTMS) in healthy volunteers studied with H215O positron emission tomography: II. Effects of prefrontal cortex rTMS
    Andrew M Speer
    Biological Psychiatry Branch, National Institute of Mental Health, National Institutes of Health, Building 10 Room 5N234, Bethesda, MD 20892-1430, USA
    Biol Psychiatry 54:826-32. 2003
  3. ncbi Preliminary findings of uncoupling of flow and metabolism in unipolar compared with bipolar affective illness and normal controls
    Robert T Dunn
    Biological Psychiatry Branch, National Institute of Mental Health, NIH, 10 Center Drive MSC 1272, Bethesda, MD 20892 1272, USA
    Psychiatry Res 140:181-98. 2005
  4. ncbi Interregional cerebral metabolic associativity during a continuous performance task (Part I): healthy adults
    Mark W Willis
    Uniformed Services University of the Health Sciences, PHS, HHS, Bethesda, MD, USA
    Psychiatry Res 164:16-29. 2008
  5. ncbi Left prefrontal-repetitive transcranial magnetic stimulation (rTMS) and regional cerebral glucose metabolism in normal volunteers
    Timothy A Kimbrell
    Biological Psychiatry Branch, NIMH, NIH, Bethesda, MD 20892, USA
    Psychiatry Res 115:101-13. 2002
  6. ncbi Principal components of the Beck Depression Inventory and regional cerebral metabolism in unipolar and bipolar depression
    Robert T Dunn
    Biological Psychiatry Branch, NIMH, NIH, Bethesda, Maryland 20892-1272, USA
    Biol Psychiatry 51:387-99. 2002
  7. ncbi Intensity-dependent regional cerebral blood flow during 1-Hz repetitive transcranial magnetic stimulation (rTMS) in healthy volunteers studied with H215O positron emission tomography: I. Effects of primary motor cortex rTMS
    Andrew M Speer
    Biological Psychiatry Branch, National Institute of Mental Health, National Institutes of Health, Building 10 Room 5N234, Bethesda, MD 20892-1430, USA
    Biol Psychiatry 54:818-25. 2003
  8. ncbi Interregional cerebral metabolic associativity during a continuous performance task (Part II) : differential alterations in bipolar and unipolar disorders
    Brenda E Benson
    Mood and Anxiety Disorders Program, NIMH, NIH, Bethesda, MD 20892, United States
    Psychiatry Res 164:30-47. 2008
  9. ncbi Bupropion and venlafaxine responders differ in pretreatment regional cerebral metabolism in unipolar depression
    John T Little
    Division of Psychiatric Neuroimaging, Department of Psychiatry and Behavioral Sciences, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA
    Biol Psychiatry 57:220-8. 2005
  10. ncbi Neurophysiological responses to traumatic reminders in the acute aftermath of serious motor vehicle collisions using [15O]-H2O positron emission tomography
    Elizabeth A Osuch
    Department of Psychiatry, University of Western Ontario, London, Ontario, Canada
    Biol Psychiatry 64:327-35. 2008

Collaborators

Detail Information

Publications11

  1. ncbi Age, sex and laterality effects on cerebral glucose metabolism in healthy adults
    Mark W Willis
    Biological Psychiatry Branch, National Institute of Mental Health, 10 Center Drive MSC 1272, Bethesda, MD 20892 1272, USA
    Psychiatry Res 114:23-37. 2002
    ..These findings contribute toward a convergence in the literature, and the regression models of CMRglc vs. age serve as a normative database to which patients may be compared...
  2. ncbi Intensity-dependent regional cerebral blood flow during 1-Hz repetitive transcranial magnetic stimulation (rTMS) in healthy volunteers studied with H215O positron emission tomography: II. Effects of prefrontal cortex rTMS
    Andrew M Speer
    Biological Psychiatry Branch, National Institute of Mental Health, National Institutes of Health, Building 10 Room 5N234, Bethesda, MD 20892-1430, USA
    Biol Psychiatry 54:826-32. 2003
    ....
  3. ncbi Preliminary findings of uncoupling of flow and metabolism in unipolar compared with bipolar affective illness and normal controls
    Robert T Dunn
    Biological Psychiatry Branch, National Institute of Mental Health, NIH, 10 Center Drive MSC 1272, Bethesda, MD 20892 1272, USA
    Psychiatry Res 140:181-98. 2005
    ....
  4. ncbi Interregional cerebral metabolic associativity during a continuous performance task (Part I): healthy adults
    Mark W Willis
    Uniformed Services University of the Health Sciences, PHS, HHS, Bethesda, MD, USA
    Psychiatry Res 164:16-29. 2008
    ..These analytical data may help to confirm known functional and neuroanatomical relationships, elucidate others as yet unreported, and serve as a basis for comparison to patients with psychiatric illness...
  5. ncbi Left prefrontal-repetitive transcranial magnetic stimulation (rTMS) and regional cerebral glucose metabolism in normal volunteers
    Timothy A Kimbrell
    Biological Psychiatry Branch, NIMH, NIH, Bethesda, MD 20892, USA
    Psychiatry Res 115:101-13. 2002
    ..While these results are in the predicted direction, further studies using other designs and higher intensities and frequencies of rTMS are indicated to better describe the local and distant changes induced by rTMS...
  6. ncbi Principal components of the Beck Depression Inventory and regional cerebral metabolism in unipolar and bipolar depression
    Robert T Dunn
    Biological Psychiatry Branch, NIMH, NIH, Bethesda, Maryland 20892-1272, USA
    Biol Psychiatry 51:387-99. 2002
    ..Thus, different depressive symptom clusters may have different neural substrates in unipolars, but clusters and their substrates are convergent in bipolars...
  7. ncbi Intensity-dependent regional cerebral blood flow during 1-Hz repetitive transcranial magnetic stimulation (rTMS) in healthy volunteers studied with H215O positron emission tomography: I. Effects of primary motor cortex rTMS
    Andrew M Speer
    Biological Psychiatry Branch, National Institute of Mental Health, National Institutes of Health, Building 10 Room 5N234, Bethesda, MD 20892-1430, USA
    Biol Psychiatry 54:818-25. 2003
    ..CONCLUSIONS: This study demonstrates that 1-Hz rTMS delivered to the primary motor cortex (M1) produces intensity-dependent increases in brain activity locally and has associated effects in distant sites with known connections to M1...
  8. ncbi Interregional cerebral metabolic associativity during a continuous performance task (Part II) : differential alterations in bipolar and unipolar disorders
    Brenda E Benson
    Mood and Anxiety Disorders Program, NIMH, NIH, Bethesda, MD 20892, United States
    Psychiatry Res 164:30-47. 2008
    ....
  9. ncbi Bupropion and venlafaxine responders differ in pretreatment regional cerebral metabolism in unipolar depression
    John T Little
    Division of Psychiatric Neuroimaging, Department of Psychiatry and Behavioral Sciences, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA
    Biol Psychiatry 57:220-8. 2005
    ....
  10. ncbi Neurophysiological responses to traumatic reminders in the acute aftermath of serious motor vehicle collisions using [15O]-H2O positron emission tomography
    Elizabeth A Osuch
    Department of Psychiatry, University of Western Ontario, London, Ontario, Canada
    Biol Psychiatry 64:327-35. 2008
    ..However, neural responses arising in the early aftermath of a traumatic event have not been studied...
  11. ncbi Regional cerebral glucose utilization in patients with a range of severities of unipolar depression
    Tim A Kimbrell
    North Little Rock VA Medical Center (TAKi, North Little Rock, Arkansas, USA
    Biol Psychiatry 51:237-52. 2002
    ..CONCLUSIONS: Areas of frontal, cingulate, insula, and temporal cortex appear hypometabolic in association with different components of the severity and course of illness in treatment-resistant unipolar depression...