M S Cohen

Summary

Affiliation: University of California
Country: USA

Publications

  1. pmc The neural correlates of religious and nonreligious belief
    Sam Harris
    UCLA Ahmanson Lovelace Brain Mapping Center, David Geffen School of Medicine, University of California Los Angeles UCLA, Los Angeles, California, United States of America
    PLoS ONE 4:e0007272. 2009
  2. ncbi request reprint Stability, repeatability, and the expression of signal magnitude in functional magnetic resonance imaging
    M S Cohen
    UCLA Brain Mapping Division, Ahmanson Lovelace Brain Mapping Center, Los Angeles, California 90095 7085, USA
    J Magn Reson Imaging 10:33-40. 1999
  3. ncbi request reprint Rapid and effective correction of RF inhomogeneity for high field magnetic resonance imaging
    M S Cohen
    UCLA Brain Mapping Division, UCLA School of Medicine, Los Angeles, California 90095, USA
    Hum Brain Mapp 10:204-11. 2000
  4. ncbi request reprint A data compression method for image time series
    M S Cohen
    UCLA Brain Mapping Division, Ahmanson Lovelace Brain Mapping Center, Los Angeles, California 90095 7085, USA
    Hum Brain Mapp 12:20-4. 2001
  5. ncbi request reprint Real-time functional magnetic resonance imaging
    M S Cohen
    UCLA Brain Mapping Division, 660 Charles Young Drive South, Los Angeles, California 90095, USA
    Methods 25:201-20. 2001
  6. ncbi request reprint Functional neuroimaging of belief, disbelief, and uncertainty
    Sam Harris
    University of California Los Angeles Brain Mapping Center, Los Angeles, CA, USA
    Ann Neurol 63:141-7. 2008
  7. ncbi request reprint The relationship between performance and fMRI signal during working memory in patients with schizophrenia, unaffected co-twins, and control subjects
    Katherine H Karlsgodt
    Department of Psychology, UCLA, Los Angeles, CA 90095 1563, USA
    Schizophr Res 89:191-7. 2007
  8. pmc Effects of acute smoking on brain activity vary with abstinence in smokers performing the N-Back task: a preliminary study
    Jiansong Xu
    Department of Psychiatry, University of California Los Angeles, Los Angeles, CA 90024, USA
    Psychiatry Res 148:103-9. 2006
  9. pmc Brain activity in cigarette smokers performing a working memory task: effect of smoking abstinence
    Jiansong Xu
    Department of Psychiatry and Biobehavioral Sciences, David Geffen School of Medicine, University of California Los Angeles, Los Angeles, California, USA
    Biol Psychiatry 58:143-50. 2005
  10. pmc Working memory in cigarette smokers: comparison to non-smokers and effects of abstinence
    Adrianna Mendrek
    Department of Psychiatry and Biobehavioral Sciences, University of California Los Angeles, Los Angeles, CA, USA
    Addict Behav 31:833-44. 2006

Research Grants

Detail Information

Publications31

  1. pmc The neural correlates of religious and nonreligious belief
    Sam Harris
    UCLA Ahmanson Lovelace Brain Mapping Center, David Geffen School of Medicine, University of California Los Angeles UCLA, Los Angeles, California, United States of America
    PLoS ONE 4:e0007272. 2009
    ..Our lab previously has used functional neuroimaging to study belief as a general mode of cognition [1], and others have looked specifically at religious belief [2]. However, no research has compared these two states of mind directly...
  2. ncbi request reprint Stability, repeatability, and the expression of signal magnitude in functional magnetic resonance imaging
    M S Cohen
    UCLA Brain Mapping Division, Ahmanson Lovelace Brain Mapping Center, Los Angeles, California 90095 7085, USA
    J Magn Reson Imaging 10:33-40. 1999
    ..The data support an alternative approach to functional magnetic resonance imaging (fMRI) that allows for quantitative comparisons of fMRI response magnitudes across trials and laboratories...
  3. ncbi request reprint Rapid and effective correction of RF inhomogeneity for high field magnetic resonance imaging
    M S Cohen
    UCLA Brain Mapping Division, UCLA School of Medicine, Los Angeles, California 90095, USA
    Hum Brain Mapp 10:204-11. 2000
    ..3% to 84.7% correct, as compared to a manually-constructed gold standard...
  4. ncbi request reprint A data compression method for image time series
    M S Cohen
    UCLA Brain Mapping Division, Ahmanson Lovelace Brain Mapping Center, Los Angeles, California 90095 7085, USA
    Hum Brain Mapp 12:20-4. 2001
    ..The approach works equally well on any integer-based scanning modality, such as PET, CT, or DSA. Our purpose in this communication is to advocate it as a potential standard, to promote free interchange of scan data...
  5. ncbi request reprint Real-time functional magnetic resonance imaging
    M S Cohen
    UCLA Brain Mapping Division, 660 Charles Young Drive South, Los Angeles, California 90095, USA
    Methods 25:201-20. 2001
    ..We describe here our preferred method of real-time functional MRI and some of the early results we have obtained with its use...
  6. ncbi request reprint Functional neuroimaging of belief, disbelief, and uncertainty
    Sam Harris
    University of California Los Angeles Brain Mapping Center, Los Angeles, CA, USA
    Ann Neurol 63:141-7. 2008
    ..The purpose of this study was to differentiate belief, disbelief, and uncertainty at the level of the brain...
  7. ncbi request reprint The relationship between performance and fMRI signal during working memory in patients with schizophrenia, unaffected co-twins, and control subjects
    Katherine H Karlsgodt
    Department of Psychology, UCLA, Los Angeles, CA 90095 1563, USA
    Schizophr Res 89:191-7. 2007
    ..Further, this study offers preliminary evidence that the relationship between behavior and physiology in schizophrenia may be heritable...
  8. pmc Effects of acute smoking on brain activity vary with abstinence in smokers performing the N-Back task: a preliminary study
    Jiansong Xu
    Department of Psychiatry, University of California Los Angeles, Los Angeles, CA 90024, USA
    Psychiatry Res 148:103-9. 2006
    ..This interaction merits further examination in larger studies specifically designed to consider this issue...
  9. pmc Brain activity in cigarette smokers performing a working memory task: effect of smoking abstinence
    Jiansong Xu
    Department of Psychiatry and Biobehavioral Sciences, David Geffen School of Medicine, University of California Los Angeles, Los Angeles, California, USA
    Biol Psychiatry 58:143-50. 2005
    ..Our aim, therefore, was to identify abnormalities in the circuitry that mediates working memory in nicotine-dependent subjects after they initiate abstinence from smoking...
  10. pmc Working memory in cigarette smokers: comparison to non-smokers and effects of abstinence
    Adrianna Mendrek
    Department of Psychiatry and Biobehavioral Sciences, University of California Los Angeles, Los Angeles, CA, USA
    Addict Behav 31:833-44. 2006
    ..These findings provide further evidence for a deficit in working memory associated with acute abstinence from smoking, which may contribute to the difficulty of smoking cessation...
  11. pmc Effect of cigarette smoking on prefrontal cortical function in nondeprived smokers performing the Stroop Task
    Jiansong Xu
    Department of Psychiatry and Biobehavioral Sciences, David Geffen School of Medicine, University of California Los Angeles, Los Angeles, CA, USA
    Neuropsychopharmacology 32:1421-8. 2007
    ..Even after brief abstinence from smoking, therefore, smokers exhibit compromised functional efficiency in the right FEF and adjacent precentral sulcus in a test of selective attention; and smoking ameliorates this condition...
  12. ncbi request reprint Antiretroviral therapy effects on genetic and morphologic end points in lymphocytes and sperm of men with human immunodeficiency virus infection
    W A Robbins
    National Institute of Environmental Health Sciences, Laboratory of Toxicology, Research Triangle Park, North Carolina, USA
    J Infect Dis 184:127-35. 2001
    ..These findings suggest that nucleoside-containing antiretrovirals administered via recommended protocols do not induce chromosomal changes in lymphocytes or sperm but may produce improvements in semen quality...
  13. ncbi request reprint Acquiring simultaneous EEG and functional MRI
    R I Goldman
    UCLA Brain Mapping Division, Ahmanson Lovelace Brain Mapping Center, 660 Charles E Young Drive South, Los Angeles, CA 90095 7085, USA
    Clin Neurophysiol 111:1974-80. 2000
    ..However, truly concurrent EEG/fMRI recording has great potential for clinical and scientific neurological applications. We have devised a method for acquiring EEG simultaneously with fMRI that minimizes contamination of the EEG signals...
  14. pmc Functional neuroanatomy of visual masking deficits in schizophrenia
    Michael F Green
    Semel Institute for Neuroscience and Human Behavior, UCLA, Los Angeles, CA 90095 6968, USA
    Arch Gen Psychiatry 66:1295-303. 2009
    ..Patients with schizophrenia reliably show deficits on visual masking, and these procedures have been used to explore vulnerability to schizophrenia, probe underlying neural circuits, and help explain functional outcome...
  15. pmc Neural substrates of resisting craving during cigarette cue exposure
    Arthur L Brody
    Department of Psychiatry and Biobehavioral Sciences, University of California Los Angeles, 300 UCLA Medical Plaza, Los Angeles, CA 90095, USA
    Biol Psychiatry 62:642-51. 2007
    ..We sought to determine changes in brain activity in response to cigarette cues when smokers actively resist craving...
  16. pmc Regional brain changes in bipolar I depression: a functional magnetic resonance imaging study
    Lori Altshuler
    Department of Psychiatry, VA Greater Los Angeles Healthcare System, West Los Angeles Healthcare Center, Los Angeles, CA, USA
    Bipolar Disord 10:708-17. 2008
    ..To investigate neural activity in prefrontal cortex and amygdala during bipolar depression...
  17. pmc Towards a microcoil for intracranial and intraductal MR microscopy
    Debra S Strick
    Biomedical Engineering Interdepartmental Program, University of California, LA 90095, USA
    Conf Proc IEEE Eng Med Biol Soc 2008:2047-50. 2008
    ..While 3-T MRI typically provides 1 to 30 voxels per-cubic-millimeter, in this paper we report that the MRI microcoil can provide hundreds, and even thousands of voxels in the same volume...
  18. pmc Increased extent of object-selective cortex in schizophrenia
    Jonathan K Wynn
    Department of Psychiatry and Biobehavioral Sciences, University of California, Los Angeles, Los Angeles, CA, USA
    Psychiatry Res 164:97-105. 2008
    ..The findings of abnormal spatial organization of LO in schizophrenia patients may converge with behavioral evidence of deficits in schizophrenia patients for object-recognition tasks that are believed to be mediated by LO activity...
  19. ncbi request reprint Blunted activation in orbitofrontal cortex during mania: a functional magnetic resonance imaging study
    Lori L Altshuler
    Department of Psychiatry, Los Angeles, California, USA
    Biol Psychiatry 58:763-9. 2005
    ..Specifically, we sought to evaluate activation in the lateral orbitofrontal cortex, a brain region that is normally activated during activities that require response inhibition...
  20. ncbi request reprint Regional brain activity associated with visual backward masking
    Michael F Green
    Department of Psychiatry and Behavioral Sciences, Geffen School of Medicine at University of California, Los Angeles, CA 90095 6968, USA
    J Cogn Neurosci 17:13-23. 2005
    ..These latter regions (including ventral LO, inferior parietal, anterior cingulate, and thalamus) may form the neural substrate of backward masking...
  21. ncbi request reprint Hippocampal activations during encoding and retrieval in a verbal working memory paradigm
    Katherine H Karlsgodt
    Department of Psychology, UCLA, 1285 Franz Hall, Los Angeles, CA 90095 1563, USA
    Neuroimage 25:1224-31. 2005
    ....
  22. ncbi request reprint Bilateral neurostimulation systems used for deep brain stimulation: in vitro study of MRI-related heating at 1.5 T and implications for clinical imaging of the brain
    Roongroj Bhidayasiri
    Department of Neurology, UCLA Medical Center and Geffen School of Medicine at UCLA, Los Angeles, CA 90095, USA
    Magn Reson Imaging 23:549-55. 2005
    ..Notably, these findings are highly specific to the neurostimulation systems, device positioning technique, MR system and imaging conditions used in this investigation...
  23. ncbi request reprint Increased amygdala activation during mania: a functional magnetic resonance imaging study
    Lori Altshuler
    UCLA Department of Psychiatry and Biobehavioral Sciences, Los Angeles, CA 90095 7057, USA
    Am J Psychiatry 162:1211-3. 2005
    ..This study sought to investigate neural activity in the amygdala during episodes of mania...
  24. ncbi request reprint Dorsolateral prefrontal cortex activity during maintenance and manipulation of information in working memory in patients with schizophrenia
    Tyrone D Cannon
    Department of Psychology, University of California, Los Angeles 90095 1563, USA
    Arch Gen Psychiatry 62:1071-80. 2005
    ..It remains unclear whether altered regional brain physiological activity in patients with schizophrenia during working memory tasks relates to maintenance-related processes, manipulation-related (ie, executive) processes, or both...
  25. pmc Regional brain activity during early visual perception in unaffected siblings of schizophrenia patients
    Junghee Lee
    Semel Institute for Neuroscience and Human Behavior, University of California, Los Angeles, California 90095 6968, USA
    Biol Psychiatry 68:78-85. 2010
    ..We examined the neural substrates of visual backward performance in unaffected sibling of schizophrenia patients using functional magnetic resonance imaging (fMRI)...
  26. pmc Effects of cigarette smoking and abstinence on Stroop task performance
    Catherine P Domier
    Department of Psychiatry and Biobehavioral Sciences, David Geffen School of Medicine, Los Angeles, CA, USA
    Psychopharmacology (Berl) 195:1-9. 2007
    ..Selective attention may be important in this regard, but earlier literature presents inconsistent findings on how smoking abstinence and resumption of smoking influence this cognitive function...
  27. pmc Classification of spatially unaligned fMRI scans
    Ariana Anderson
    Department of Statistics, UCLA, Los Angeles, CA 90095, USA
    Neuroimage 49:2509-19. 2010
    ....
  28. pmc Simultaneous EEG and fMRI of the alpha rhythm
    Robin I Goldman
    Department of Neurology, UCLA School of Medicine, Los Angeles, CA, USA
    Neuroreport 13:2487-92. 2002
    ..These results also may have important implications for interpretation of resting baseline in fMRI studies...
  29. ncbi request reprint Ectopic ossification of the triceps muscle after application of bone morphogenetic protein-7 to the distal humerus for recalcitrant nonunion: a case report
    Robert W Wysocki
    Orthopaedic Surgery, Rush Medical College, Chicago, IL, USA
    J Hand Surg Am 32:647-50. 2007
    ..We recommend caution when using this product in the upper extremity in regions where there is close approximation of soft tissue to bone and where loss of motion would be problematic...
  30. ncbi request reprint Concurrent EEG/fMRI analysis by multiway Partial Least Squares
    Eduardo Martínez-Montes
    Neurophysics Department, Cuban Neuroscience Center, Havana, Cuba
    Neuroimage 22:1023-34. 2004
    ..As of yet, no single neuroimaging method offers the optimal combination of spatial and temporal resolution; fusing fMRI and EEG meaningfully extends the spatio-temporal resolution and sensitivity of each method...
  31. ncbi request reprint Recruitment of anterior dorsolateral prefrontal cortex in human reasoning: a parametric study of relational complexity
    James K Kroger
    Department of Psychology, University of Michigan, Ann Arbor, MI 48109 1109, USA
    Cereb Cortex 12:477-85. 2002
    ..Our data provide evidence that brain regions specific to integrating complex relations among stimuli are distinct from those involved in coping with general task difficulty and with working-memory demands...

Research Grants6

  1. REAL TIME IMAGING OF MENTAL ACTIVITY
    Mark Cohen; Fiscal Year: 1999
    ..The focus of the continued development will be on extending the basic capabilities and in packaging the data analysis tools and disseminating them to other researchers and institutions. ..
  2. FMRI OF INVERTED VISION--PLASTICITY OF VISUOSPATIAL MAPS
    Mark Cohen; Fiscal Year: 2000
    ..Such knowledge will also be valuable in preparing humans for space travel, when people must adapt to the loss of gravitational clues to spatial orientation. ..
  3. REAL TIME IMAGING OF MENTAL ACTIVITY
    Mark Cohen; Fiscal Year: 2000
    ..The focus of the continued development will be on extending the basic capabilities and in packaging the data analysis tools and disseminating them to other researchers and institutions. ..
  4. REAL TIME IMAGING OF MENTAL ACTIVITY
    Mark Cohen; Fiscal Year: 2001
    ..The focus of the continued development will be on extending the basic capabilities and in packaging the data analysis tools and disseminating them to other researchers and institutions. ..
  5. FMRI OF INVERTED VISION--PLASTICITY OF VISUOSPATIAL MAPS
    Mark Cohen; Fiscal Year: 2001
    ..Such knowledge will also be valuable in preparing humans for space travel, when people must adapt to the loss of gravitational clues to spatial orientation. ..
  6. FMRI OF INVERTED VISION--PLASTICITY OF VISUOSPATIAL MAPS
    Mark Cohen; Fiscal Year: 2002
    ..Such knowledge will also be valuable in preparing humans for space travel, when people must adapt to the loss of gravitational clues to spatial orientation. ..