P T Fox

Summary

Affiliation: University of Texas Health Science Center
Country: USA

Publications

  1. pmc Distributed processing; distributed functions?
    Peter T Fox
    Research Imaging Institute and Department of Radiology, University of Texas Health Science Center at San Antonio, 7703 Floyd Curl Drive, San Antonio, TX, USA
    Neuroimage 61:407-26. 2012
  2. pmc The BrainMap strategy for standardization, sharing, and meta-analysis of neuroimaging data
    Angela R Laird
    Research Imaging Institute, University of Texas Health Science Center, San Antonio, TX, USA
    BMC Res Notes 4:349. 2011
  3. ncbi request reprint Brain imaging in stuttering: where next?
    Peter T Fox
    Research Imaging Center, University of Texas Health Science Center at San Antonio, TX 78229 3900, USA
    J Fluency Disord 28:265-72. 2003
  4. ncbi request reprint Opinion: Mapping context and content: the BrainMap model
    Peter T Fox
    Research Imaging Center, University of Texas Health Science Center at San Antonio, 78229 3900, USA
    Nat Rev Neurosci 3:319-21. 2002
  5. ncbi request reprint Column-based model of electric field excitation of cerebral cortex
    Peter T Fox
    Research Imaging Center, University of Texas Health Science Center at San Antonio, San Antonio, Texas 78229 3900, USA
    Hum Brain Mapp 22:1-14. 2004
  6. ncbi request reprint BrainMap taxonomy of experimental design: description and evaluation
    Peter T Fox
    Research Imaging Center, University of Texas Health Science Center at San Antonio, San Antonio, Texas 78284, USA
    Hum Brain Mapp 25:185-98. 2005
  7. ncbi request reprint Brain correlates of stuttering and syllable production. A PET performance-correlation analysis
    P T Fox
    The Research Imaging Center, University of Texas Health Science Center at San Antonio, San Antonio, Texas 78229 3900, USA
    Brain 123:1985-2004. 2000
  8. ncbi request reprint Coordinate-based voxel-wise meta-analysis: dividends of spatial normalization. Report of a virtual workshop
    Peter T Fox
    Research Imaging Center, University of Texas Health Science Center at San Antonio, San Antonio, Texas 78284, USA
    Hum Brain Mapp 25:1-5. 2005
  9. pmc Neuroimaging evidence implicating cerebellum in the experience of hypercapnia and hunger for air
    L M Parsons
    Research Imaging Center, University of Texas Health Science Center, San Antonio, TX 78284, USA
    Proc Natl Acad Sci U S A 98:2041-6. 2001
  10. ncbi request reprint Xenon effects on regional cerebral blood flow assessed by 15O-H2O positron emission tomography: implications for hyperpolarized xenon MRI
    M Liotti
    Research Imaging Center, University of Texas Health Science Center at San Antonio 78284 6240, USA
    J Magn Reson Imaging 7:761-4. 1997

Detail Information

Publications102 found, 100 shown here

  1. pmc Distributed processing; distributed functions?
    Peter T Fox
    Research Imaging Institute and Department of Radiology, University of Texas Health Science Center at San Antonio, 7703 Floyd Curl Drive, San Antonio, TX, USA
    Neuroimage 61:407-26. 2012
    ....
  2. pmc The BrainMap strategy for standardization, sharing, and meta-analysis of neuroimaging data
    Angela R Laird
    Research Imaging Institute, University of Texas Health Science Center, San Antonio, TX, USA
    BMC Res Notes 4:349. 2011
    ....
  3. ncbi request reprint Brain imaging in stuttering: where next?
    Peter T Fox
    Research Imaging Center, University of Texas Health Science Center at San Antonio, TX 78229 3900, USA
    J Fluency Disord 28:265-72. 2003
  4. ncbi request reprint Opinion: Mapping context and content: the BrainMap model
    Peter T Fox
    Research Imaging Center, University of Texas Health Science Center at San Antonio, 78229 3900, USA
    Nat Rev Neurosci 3:319-21. 2002
  5. ncbi request reprint Column-based model of electric field excitation of cerebral cortex
    Peter T Fox
    Research Imaging Center, University of Texas Health Science Center at San Antonio, San Antonio, Texas 78229 3900, USA
    Hum Brain Mapp 22:1-14. 2004
    ..In addition, Rushton's cosine principle can used to model stimulation efficacy for an electrical field applied at any cortical site at any intensity and in any orientation...
  6. ncbi request reprint BrainMap taxonomy of experimental design: description and evaluation
    Peter T Fox
    Research Imaging Center, University of Texas Health Science Center at San Antonio, San Antonio, Texas 78284, USA
    Hum Brain Mapp 25:185-98. 2005
    ..Authors made a total of 115 content-filter choices. Of these, 78 (68%) were Stage 1, Grade A filters; 16 (14%) were Stage 2, Grade A; and 21 (18%) were Stage 2, Grade C. No author-applied filter was absent from the taxonomy...
  7. ncbi request reprint Brain correlates of stuttering and syllable production. A PET performance-correlation analysis
    P T Fox
    The Research Imaging Center, University of Texas Health Science Center at San Antonio, San Antonio, Texas 78229 3900, USA
    Brain 123:1985-2004. 2000
    ..The present findings also indicate a specific role of the cerebellum in the fluent utterances of persons who stutter. Support is also offered for theories that implicate auditory processing problems in stuttering...
  8. ncbi request reprint Coordinate-based voxel-wise meta-analysis: dividends of spatial normalization. Report of a virtual workshop
    Peter T Fox
    Research Imaging Center, University of Texas Health Science Center at San Antonio, San Antonio, Texas 78284, USA
    Hum Brain Mapp 25:1-5. 2005
  9. pmc Neuroimaging evidence implicating cerebellum in the experience of hypercapnia and hunger for air
    L M Parsons
    Research Imaging Center, University of Texas Health Science Center, San Antonio, TX 78284, USA
    Proc Natl Acad Sci U S A 98:2041-6. 2001
    ....
  10. ncbi request reprint Xenon effects on regional cerebral blood flow assessed by 15O-H2O positron emission tomography: implications for hyperpolarized xenon MRI
    M Liotti
    Research Imaging Center, University of Texas Health Science Center at San Antonio 78284 6240, USA
    J Magn Reson Imaging 7:761-4. 1997
    ..No such decreases were found in other sensory or motor regions...
  11. ncbi request reprint Perfusion-weighted imaging of interictal hypoperfusion in temporal lobe epilepsy using FAIR-HASTE: comparison with H(2)(15)O PET measurements
    H L Liu
    Research Imaging Center, University of Texas Health Science Center, San Antonio, Texas 78284-6240, USA
    Magn Reson Med 45:431-5. 2001
    ..A statistically significant correlation (r = 0.75, P < 0.05) was found between results acquired from these two modalities. Magn Reson Med 45:431-435, 2001...
  12. pmc Brain responses associated with consciousness of breathlessness (air hunger)
    M Liotti
    Research Imaging Center, University of Texas Health Science Center, Floyd Curl Drive, San Antonio, TX 78284, USA
    Proc Natl Acad Sci U S A 98:2035-40. 2001
    ..M. (1992) Bright Air, Brilliant Fire (Penguin, London)]...
  13. ncbi request reprint Temporal dissociation of parallel processing in the human subcortical outputs
    Y Liu
    Research Imaging Center, Department of Physiology, University of Texas Health Science Center at San Antonio, 78284, USA
    Nature 400:364-7. 1999
    ..This further supports the idea of task-related dynamic reconfiguration of large-scale neural networks...
  14. ncbi request reprint Automated Talairach atlas labels for functional brain mapping
    J L Lancaster
    Research Imaging Center, University of Texas Health Science Center at San Antonio, 78284, USA
    Hum Brain Mapp 10:120-31. 2000
    ..Additional suggested applications of the TD system include interactive labeling, anatomical grouping of activation foci, lesion-deficit analysis, and neuroanatomy education...
  15. pmc Genetics of microstructure of cerebral white matter using diffusion tensor imaging
    P Kochunov
    Research Imaging Center, University of Texas Health Science Center San Antonio, San Antonio, TX 78284, USA
    Neuroimage 53:1109-16. 2010
    ....
  16. pmc A study of the reproducibility and etiology of diffusion anisotropy differences in developmental stuttering: a potential role for impaired myelination
    M D Cykowski
    Research Imaging Center, University of Texas Health Science Center at San Antonio, San Antonio, TX 78284, USA
    Neuroimage 52:1495-504. 2010
    ..These findings suggest a hypothesis that will be testable in future studies: that myelogenesis may be abnormal in PSs within left-hemispheric fiber tracts that begin a prolonged course of myelination in the first postnatal year...
  17. ncbi request reprint Cerebral hemodynamic response in Chinese (first) and English (second) language processing revealed by event-related functional MRI
    Y Pu
    Research Imaging Center, University of Texas Health Science Center, San Antonio, TX, USA
    Magn Reson Imaging 19:643-7. 2001
    ..These findings strongly imply that the underlying neural mechanism for Chinese (first) and English (second) language processing may be similar in native Chinese speakers...
  18. pmc Neuroimaging evidence implicating cerebellum in support of sensory/cognitive processes associated with thirst
    L M Parsons
    Research Imaging Center, Medical School, University of Texas Health Science Center at San Antonio, Floyd Curl Drive, San Antonio, TX 78284, USA
    Proc Natl Acad Sci U S A 97:2332-6. 2000
    ..Some neocerebellar activity may also reflect an intentionality for gratification by drinking inherent in the consciousness of thirst...
  19. ncbi request reprint Effect of partition coefficient, permeability surface product, and radioisotope on the signal-to-noise ratio in PET functional brain mapping: a computer simulation
    C C Martin
    Research Imaging Center, University of Texas Health Science Center, San Antonio 78284, USA
    Hum Brain Mapp 7:151-60. 1999
    ..The results of the simulation suggest that moderate increases in partition coefficient and permeability surface product compared with water would lead to an increase in signal-to-noise ratio of a factor of about 3...
  20. ncbi request reprint Reciprocal limbic-cortical function and negative mood: converging PET findings in depression and normal sadness
    H S Mayberg
    Research Imaging Center, University of Texas Health Science Center at San Antonio, USA
    Am J Psychiatry 156:675-82. 1999
    ..Expanding on this theory, this study examined functional interactions between specific limbic and neocortical regions accompanying normal and disease-associated shifts in negative mood state...
  21. ncbi request reprint The pharmacokinetics of hyperpolarized xenon: implications for cerebral MRI
    C C Martin
    Research Imaging Center, University of Texas Health Science Center, San Antonio 78284, USA
    J Magn Reson Imaging 7:848-54. 1997
    ..An interactive version of the model can be found on the World Wide Web at http:(/)/ric.uthscsa.edu/staff /charlesmartinphd.html...
  22. pmc Processing speed is correlated with cerebral health markers in the frontal lobes as quantified by neuroimaging
    P Kochunov
    University of Texas Health Science Center at San Antonio, Research Imaging Center, 7703 Floyd Curl Drive, San Antonio, TX 78284, USA
    Neuroimage 49:1190-9. 2010
    ..A smaller proportion (20%) of variance in the PP-CPS could be explained by bilateral increases in frontal sulcal span and increases in HWM volumes...
  23. doi request reprint Retinotopic organization of early visual spatial attention effects as revealed by PET and ERPs
    M G Woldorff
    Research Imaging Center, UTHSCSA, San Antonio, Texas 78284 6240, USA
    Hum Brain Mapp 5:280-6. 1997
    ..These combined PET/ERP data therefore provide strong evidence that sustained visual spatial attention results in a preset, top-down biasing of the early sensory input channels in a retinotopically organized way...
  24. pmc 3D modeling of the total electric field induced by transcranial magnetic stimulation using the boundary element method
    F S Salinas
    Research Imaging Center, University of Texas Health Science Center at San Antonio, San Antonio, TX 78229, USA
    Phys Med Biol 54:3631-47. 2009
    ..e. going from high to low conductivity tissues). These findings show that realistically shaped head geometries are important for accurate modeling of the total E-field...
  25. ncbi request reprint Hypophonia in Parkinson's disease: neural correlates of voice treatment revealed by PET
    M Liotti
    Research Imaging Center, Department of Medicine, University of Texas Health Science Center at San Antonio, TX, USA
    Neurology 60:432-40. 2003
    ..To investigate the neural correlates of hypophonia in individuals with idiopathic PD (IPD) before and after voice treatment with the Lee Silverman Voice Treatment method (VT) using (15)O-H(2)O PET...
  26. ncbi request reprint Rate dependence of human visual cortical response due to brief stimulation: an event-related fMRI study
    B Ozus
    Research Imaging Center, University of Texas Health Science Center at San Antonio, 7703 Floyd Curl Drive, San Antonio, TX 78284, USA
    Magn Reson Imaging 19:21-5. 2001
    ..Our results are in close agreement with previously published psychophysical studies, suggesting that the fMRI signal in this experiment is indicative of cortical activity related to visual processing...
  27. pmc Cortical sulcal areas in baboons (Papio hamadryas spp.) with generalized interictal epileptic discharges on scalp EEG
    C A Szabo
    Department of Neurology, UTHSCSA, San Antonio, TX, USA
    Epilepsy Res 93:91-5. 2011
    ....
  28. ncbi request reprint A tool for comparison of PET and fMRI methods: calculation of the uncertainty in the location of an activation site in a PET image
    L D Nickerson
    Research Imaging Center, University of Texas Health Science Center, San Antonio 78240, USA
    Neuroimage 14:194-201. 2001
    ....
  29. ncbi request reprint Location-probability profiles for the mouth region of human primary motor-sensory cortex: model and validation
    P T Fox
    Research Imaging Center, University of Texas Health Science Center at San Antonio, San Antonio, Texas, USA
    Neuroimage 13:196-209. 2001
    ..Collectively, these observations provide a detailed, consensus probabilistic description of the location of the human M1-mouth representation in standardized coordinates...
  30. pmc Genetics of primary cerebral gyrification: Heritability of length, depth and area of primary sulci in an extended pedigree of Papio baboons
    P Kochunov
    Research Imaging Institute, The University of Texas Health Science Center, San Antonio, TX 78229, USA
    Neuroimage 53:1126-34. 2010
    ..Our results imply that heritability of sulcal phenotypes may be regionally modulated by arcuate U-fiber systems. However, further research is necessary to unravel the complexity of genetic contributions to cortical morphology...
  31. ncbi request reprint Structure--function spatial covariance in the human visual cortex
    M K Hasnain
    Research Imaging Center, The University of Texas Health Science Center at San Antonio, TX 78229-3900, USA
    Cereb Cortex 11:702-16. 2001
    ..The present findings quantify for the first time the strength of structure--function spatial covariance and comment directly on developmental theories addressing the etiology of structure--function correspondence...
  32. ncbi request reprint Interregional connectivity to primary motor cortex revealed using MRI resting state images
    J Xiong
    Research Imaging Center and Department of Radiology, University of Texas Health Science Center, San Antonio 78284 6240, USA
    Hum Brain Mapp 8:151-6. 1999
    ..This interregional connectivity is similar to connectivity established by other anatomical, histochemical, and physiological techniques. This method may offer in vivo noninvasive measurements of neural projections...
  33. ncbi request reprint Automated analysis of meta-analysis networks
    Jack L Lancaster
    Research Imaging Center, University of Texas Health Science Center at San Antonio, San Antonio, Texas 78229 3900, USA
    Hum Brain Mapp 25:174-84. 2005
    ..These new analysis tools demonstrate how network analysis strategies can simplify greatly and enhance voxel-based meta-analyses...
  34. ncbi request reprint BrainMap: the social evolution of a human brain mapping database
    Angela R Laird
    Research Imaging Center, University of Texas Health Science Center, San Antonio, TX 78229, USA
    Neuroinformatics 3:65-78. 2005
    ..In this article, we discuss BrainMap's structure and utility, and relate its progress and development as a neuroinformatics tool...
  35. ncbi request reprint A comparison of label-based review and ALE meta-analysis in the Stroop task
    Angela R Laird
    Research Imaging Center, University of Texas Health Science Center, San Antonio, Texas 78229 3900, USA
    Hum Brain Mapp 25:6-21. 2005
    ....
  36. ncbi request reprint Beyond hypofrontality: a quantitative meta-analysis of functional neuroimaging studies of working memory in schizophrenia
    David C Glahn
    Department of Psychiatry, University of Texas Health Science Center at San Antonio, San Antonio, Texas 78229 3900, USA
    Hum Brain Mapp 25:60-9. 2005
    ....
  37. pmc Modeling motor connectivity using TMS/PET and structural equation modeling
    Angela R Laird
    Research Imaging Center, University of Texas Health Science Center, San Antonio, Texas 78229 3900, USA
    Neuroimage 41:424-36. 2008
    ..The model-generating SEM strategy thus proved highly effective and successfully identified a complex set of causal relationships of motor connectivity...
  38. pmc Comparison of the disparity between Talairach and MNI coordinates in functional neuroimaging data: validation of the Lancaster transform
    Angela R Laird
    Research Imaging Institute, University of Texas Health Science Center, San Antonio, TX 78229 3900, USA
    Neuroimage 51:677-83. 2010
    ....
  39. doi request reprint Meta-analysis of gray matter anomalies in schizophrenia: application of anatomic likelihood estimation and network analysis
    David C Glahn
    Department of Psychiatry, University of Texas Health Science Center, San Antonio, Texas 78229 3900, USA
    Biol Psychiatry 64:774-81. 2008
    ..In this study, we performed a voxelwise, coordinate-based meta-analysis to better conceptualize the neuroanatomic correlates of schizophrenia...
  40. pmc Lost in localization? The focus is meta-analysis
    Angela R Laird
    Research Imaging Center, University of Texas Health Science Center San Antonio, 7703 Floyd Curl Drive, San Antonio, TX 78229 3900, USA
    Neuroimage 48:18-20. 2009
    ..In this response, we discuss our strategy in developing the BrainMap database, which was created as a mechanism to promote coordinate-based meta-analysis methods...
  41. pmc Investigating the functional heterogeneity of the default mode network using coordinate-based meta-analytic modeling
    Angela R Laird
    Research Imaging Center, University of Texas Health Science Center, San Antonio, Texas 78229 3900, USA
    J Neurosci 29:14496-505. 2009
    ....
  42. ncbi request reprint ALE meta-analysis: controlling the false discovery rate and performing statistical contrasts
    Angela R Laird
    Research Imaging Center, University of Texas Health Science Center, San Antonio, Texas 78229 3900, USA
    Hum Brain Mapp 25:155-64. 2005
    ..We then give an example of how comparisons of this sort may lead to advanced designs in future meta-analytic research...
  43. ncbi request reprint High prevalence of pineal cysts in healthy adults demonstrated by high-resolution, noncontrast brain MR imaging
    Y Pu
    Research Imaging Center, The University of Texas Health Science Center at San Antonio, TX, USA
    AJNR Am J Neuroradiol 28:1706-9. 2007
    ..5% and 10.8%. The purpose of this high-resolution brain MR imaging study at 1.9T was to determine the prevalence of pineal cysts in healthy adults...
  44. ncbi request reprint A versatile, low-cost method for presenting visual stimuli during MRI
    J W Roby
    Research Imaging Center, University of Texas Health Science Center at San Antonio 78284 6240, USA
    J Magn Reson Imaging 11:223-7. 2000
    ....
  45. ncbi request reprint Stuttered and fluent speech production: an ALE meta-analysis of functional neuroimaging studies
    Steven Brown
    Research Imaging Center, University of Texas Health Science Center at San Antonio, Texas, USA
    Hum Brain Mapp 25:105-17. 2005
    ..This provides the basis for a stuttering system model that is testable and should help to advance the understanding and treatment of this disorder...
  46. ncbi request reprint Detailed 3D models of the induced electric field of transcranial magnetic stimulation coils
    F S Salinas
    Research Imaging Center, University of Texas Health Science Center at San Antonio, San Antonio, TX 78229, USA
    Phys Med Biol 52:2879-92. 2007
    ..Detailed E-field models were accurate up to the surface of the coil body (within 0.5% of measured) where simple models were often inadequate (up to 32% different from measured)...
  47. pmc Neuroimaging of cerebral activations and deactivations associated with hypercapnia and hunger for air
    S Brannan
    Research Imaging Center, Medical School, University of Texas Health Science Center, Floyd Curl Drive, San Antonio, TX 78284, USA
    Proc Natl Acad Sci U S A 98:2029-34. 2001
    ....
  48. ncbi request reprint Cerebellum and auditory function: an ALE meta-analysis of functional neuroimaging studies
    Augusto Petacchi
    Department of Biology, The University of Texas at San Antonio, San Antonio, Texas 78249, USA
    Hum Brain Mapp 25:118-28. 2005
    ..The results are consistent with the hypothesis that the cerebellum may play a role in purely sensory auditory processing, and are discussed in light of the broader idea of the cerebellum subserving a fundamental sensory function...
  49. ncbi request reprint Relationship between white matter fractional anisotropy and other indices of cerebral health in normal aging: tract-based spatial statistics study of aging
    P Kochunov
    Research Imaging Center, University of Texas Health Science Center at San Antonio, Research Imaging Center, 7703 Floyd Curl Drive, San Antonio, TX 78284, USA
    Neuroimage 35:478-87. 2007
    ..These data are consistent with the hypothesis that late-myelinating regions of the brain bear the brunt of age-related degenerative changes...
  50. ncbi request reprint Comparison of the experimental BOLD signal change in event-related fMRI with the balloon model
    C M Feng
    Research Imaging Center, University of Texas Health Science Center, San Antonio, TX 78229, USA
    NMR Biomed 14:397-401. 2001
    ..05). Our results have demonstrated that the balloon model is useful in interpreting the transient features of the experimental data from the ER-fMRI studies...
  51. ncbi request reprint Prefrontal hyperactivation during working memory task in untreated individuals with major depressive disorder
    K Matsuo
    MOOD CNS Program, Department of Psychiatry, Division of Mood and Anxiety Disorders, University of Texas Health Science Center, San Antonio, TX 78229 3900, USA
    Mol Psychiatry 12:158-66. 2007
    ..01). This study provides in vivo imaging evidence of abnormal frontolimbic circuit function during working memory processing in individuals with MDD...
  52. ncbi request reprint Retrospective motion correction protocol for high-resolution anatomical MRI
    Peter Kochunov
    Research Imaging Center, University of Texas Health Science Center at San Antonio, Texas, USA
    Hum Brain Mapp 27:957-62. 2006
    ..RMC was tested on 35 subjects who were considered at high risk for head motion. Our results show that RMC provided better contrast-to-noise ratio and boundary detail when compared to nonmotion-corrected averaged images...
  53. ncbi request reprint Comparison of Fourier and wavelet resampling methods
    Angela R Laird
    Research Imaging Center, University of Texas Health Science Center, San Antonio, Texas, USA
    Magn Reson Med 51:418-22. 2004
    ..In addition, both resampling methods were applied to locate activated voxels in an fMRI dataset and ROC analysis showed that wavelet resampling performed more accurately than Fourier resampling...
  54. pmc The central sulcus: an observer-independent characterization of sulcal landmarks and depth asymmetry
    Matthew D Cykowski
    Research Imaging Center, University of Texas Health Science Center at San Antonio, San Antonio, TX 78284, USA
    Cereb Cortex 18:1999-2009. 2008
    ..Age correlations were performed for these asymmetries, and a significant correlation was seen only in the male subgroup...
  55. ncbi request reprint Quantitative measurement of oxygen metabolic rate in the rat brain using microPET imaging of briefly inhaled 15O-labelled oxygen gas
    Seong Hwan Yee
    Research Imaging Center, University of Texas Health Science Center, San Antonio, 78229, USA
    Nucl Med Commun 27:573-81. 2006
    ..The present study was performed to provide a technique to measure CMRO(2) for rats using a dedicated animal PET technique...
  56. ncbi request reprint Three-pool model of white matter
    Jack L Lancaster
    University of Texas Health Science Center at San Antonio, Research Imaging Center, San Antonio, Texas 78284, USA
    J Magn Reson Imaging 17:1-10. 2003
    ..To investigate the use of a three-pool relaxation model to measure myelin, myelinated-axon, and mixed water-pool fractions in white matter (WM) during myelination...
  57. ncbi request reprint Bias between MNI and Talairach coordinates analyzed using the ICBM-152 brain template
    Jack L Lancaster
    Research Imaging Center, University of Texas Health Science Center, San Antonio, Texas, USA
    Hum Brain Mapp 28:1194-205. 2007
    ..MTT transforms provide a validated means to convert MNI coordinates to Talairach compatible coordinates for studies using either SPM2 or FSL/FLIRT with the ICBM-152 template...
  58. ncbi request reprint Derivative temporal clustering analysis: detecting prolonged neuronal activity
    Xia Zhao
    Research Imaging Center, University of Texas Health Science Center at San Antonio, San Antonio, TX, USA
    Magn Reson Imaging 25:183-7. 2007
    ..By removing the limitations in the previous TCA, DTCA has shown its powerful capability in detecting prolonged plateau neuronal activities...
  59. ncbi request reprint Relationship among neuroimaging indices of cerebral health during normal aging
    Peter Kochunov
    Research Imaging Center, University of Texas Health Science Center at San Antonio, Texas 78284, USA
    Hum Brain Mapp 29:36-45. 2008
    ..34). These findings are of interest in designing quantitative measures of brain aging for monitoring individual patients and in large-scale clinical trials...
  60. ncbi request reprint CBF changes during brain activation: fMRI vs. PET
    Ching Mei Feng
    Research Imaging Center, University of Texas Health Science Center at San Antonio, 7703 Floyd Curl Drive, San Antonio, TX 78229, USA
    Neuroimage 22:443-6. 2004
    ..95 +/- 2.54%, whereas the value measured by PET was 38.79 +/- 2.63%. Our results have demonstrated that there is no statistically significant difference (P = 0.22) in the measurements of rCBF change between MRI and PET methods...
  61. ncbi request reprint PET imaging in the photosensitive baboon: case-controlled study
    C Akos Szabo
    South Texas Comprehensive Epilepsy Center, University of Texas Health Science Center at San Antonio, Texas 78284 7883, USA
    Epilepsia 48:245-53. 2007
    ..This study compared changes in cerebral blood flow (CBF) during intermittent light stimulation (ILS) between photosensitive and asymptomatic baboons...
  62. ncbi request reprint Asymmetry of the brain surface from deformation field analysis
    Jack L Lancaster
    University of Texas Health Science Center at San Antonio, Research Imaging Center, San Antonio, Texas 78284, USA
    Hum Brain Mapp 19:79-89. 2003
    ..Common right frontal and left occipital petalias were seen. The DBA method can theoretically be applied to any two groups of globally similar structures where analysis of dissimilarity of regional features is sought...
  63. ncbi request reprint Recurrent interstitial deletions of proximal 18q: a new syndrome involving expressive speech delay
    Jannine D Cody
    Department of Pediatrics, University of Texas Health Science Center, San Antonio, Texas 78229, USA
    Am J Med Genet A 143:1181-90. 2007
    ..Additionally, this may represent a previously underappreciated syndrome since these children do not have the typical clinical abnormalities that would lead to a chromosome analysis...
  64. ncbi request reprint Dynamic changes in the cerebral metabolic rate of O2 and oxygen extraction ratio in event-related functional MRI
    Ching Mei Feng
    Research Imaging Center, University of Texas Health Science Center, 7703 Floyd Curl Drive, San Antonio, TX 78229, USA
    Neuroimage 18:257-62. 2003
    ..03 +/- 0.06%, respectively. The CBF, CMRO(2), and OER changes reach their maximum approximately 1 s earlier than the BOLD signal change (4.15 +/- 0.21, 4.16 +/- 0.21, and 4.17 +/- 0.21 s vs 5.12 +/- 0.24 s after stimulation, P < 0.05)...
  65. ncbi request reprint CNS Resident Award: role of the lateral premotor cortex in articulation
    Nitin Tandon
    Center for Neurosurgical Sciences and Research Imaging Center, University of Texas Health Science Center, San Antonio, Texas, USA
    Clin Neurosurg 50:341-9. 2003
  66. ncbi request reprint Towards a functional neural systems model of developmental stuttering
    Roger J Ingham
    The Department of Speech and Hearing Sciences, University of California, Santa Barbara, CA, USA
    J Fluency Disord 28:297-317; quiz 317-8. 2003
    ..The implications of these findings and the direction of future imaging investigations are discussed...
  67. doi request reprint An event-related fMRI study on risk taking by healthy individuals of high or low impulsiveness
    Tatia M C Lee
    Laboratory of Neuropsychology, The University of Hong Kong, Hong Kong, China
    Neurosci Lett 438:138-41. 2008
    ..The findings suggest that the neural substrates of comprehension of cognitive and affective information associated with risk-taking decision making may vary according to the impulsiveness among healthy individuals...
  68. pmc Evaluation of MRI models in the measurement of CMRO2 and its relationship with CBF
    Ai Ling Lin
    Research Imaging Center, University of Texas Health Science Center, San Antonio, Texas, USA
    Magn Reson Med 60:380-9. 2008
    ..Our results indicate that if appropriate parameters are used, the SCM and MCM models are equivalent for quantifying the values of CMRO(2) and determining the flow-metabolism relationship...
  69. ncbi request reprint Estimation of the local statistical noise in positron emission tomography revisited: practical implementation
    Lisa D Nickerson
    Department of Psychiatry, Harvard Medical School, Boston, MA, USA
    Neuroimage 19:442-56. 2003
    ..In addition, strategies for extending the proposed technique are discussed that would permit the estimation of the variance due to measurement error of a pixel in a brain map from both single subjects and pooled group data...
  70. ncbi request reprint Perisylvian sulcal morphology and cerebral asymmetry patterns in adults who stutter
    Matthew D Cykowski
    Research Imaging Center, University of Texas Health Science Center at San Antonio, San Antonio, TX 78284, USA
    Cereb Cortex 18:571-83. 2008
    ..The subtle difference in cortical folding of the right perisylvian region observed in PDS subjects may correlate with functional imaging studies that have reported increased right-hemisphere activity during stuttered speech...
  71. ncbi request reprint Age-related differences in response regulation as revealed by functional MRI
    Tatia M C Lee
    Neuropsychology Laboratory, Department of Psychology, The University of Hong Kong, Hong Kong
    Brain Res 1076:171-6. 2006
    ..The findings suggested a higher level of neural activity in the right prefrontal and left inferior parietal regions during response regulation for the older adults than for the younger adults...
  72. ncbi request reprint Is left inferior frontal gyrus a general mechanism for selection?
    John X Zhang
    Department of Linguistics, Joint Laboratory for Language and Cognitive Neuroscience, University of Hong Kong, Hong Kong
    Neuroimage 23:596-603. 2004
    ..This result provides supporting evidence for the selection hypothesis...
  73. ncbi request reprint The brain basis of piano performance
    Lawrence M Parsons
    Research Imaging Center, University of Texas Health Science Center, San Antonio, TX 78284, USA
    Neuropsychologia 43:199-215. 2005
    ..For each of the foregoing analyses, a distributed set of interacting localized functions is outlined for future test...
  74. ncbi request reprint The song system of the human brain
    Steven Brown
    Research Imaging Center, University of Texas Health Science Center, 7703 Floyd Curl Drive MSC 6240, San Antonio, TX 78229 3900, USA
    Brain Res Cogn Brain Res 20:363-75. 2004
    ....
  75. ncbi request reprint Growth hormone benefits children with 18q deletions
    Jannine D Cody
    Department of Pediatrics, University of Texas Health Science Center, San Antonio, 78229, USA
    Am J Med Genet A 137:9-15. 2005
    ..Cognitive changes of this magnitude are clinically significant and are anticipated to have an effect on the long-term outcomes for the treated individuals...
  76. ncbi request reprint Attention function after childhood stroke
    Jeffrey E Max
    Children s Way, MC 5033, University of California, San Diego, CA 92123, USA
    J Int Neuropsychol Soc 10:976-86. 2004
    ..In addition, these results may provide clues towards the understanding of mechanisms underlying attention in children...
  77. ncbi request reprint Hemispheric asymmetry of sulcus-function correspondence: quantization and developmental implications
    Mohammed K Hasnain
    NeuroCare of Southern Indiana, New Albany, Indiana 47150, USA
    Hum Brain Mapp 27:277-87. 2006
    ..These findings support the hypothesis that hemispheric lateralization of function is reflected in the strength of correspondence between cortical surface anatomy and function...
  78. ncbi request reprint Mapping structural differences of the corpus callosum in individuals with 18q deletions using targetless regional spatial normalization
    Peter Kochunov
    Research Imaging Center, University of Texas Health Science Center at San Antonio, San Antonio, Texas, USA
    Hum Brain Mapp 24:325-31. 2005
    ..Regionally, the posterior portions of corpus callosum (posterior midbody, isthmus, and splenium), which contain heavily myelinated fibers, were found to be 25% smaller in the population with 18q-...
  79. ncbi request reprint Non-invasive quantification of cerebral blood flow for rats by microPET imaging of 15O labelled water: the application of a cardiac time-activity curve for the tracer arterial input function
    Seong Hwan Yee
    Research Imaging Center, University of Texas Health Science Center at San Antonio, USA
    Nucl Med Commun 26:903-11. 2005
    ..The present study was performed to provide a non-invasive quantitative CBF measurement technique for rats using a dedicated animal PET...
  80. ncbi request reprint Intensity modulation of TMS-induced cortical excitation: primary motor cortex
    Peter T Fox
    Research Imaging Center, University of Texas Health Science Center at San Antonio, 78284, USA
    Hum Brain Mapp 27:478-87. 2006
    ..Remote regions showed varying patterns of intensity response, which we interpret as reflecting varying levels of neuronal excitability and/or functional coupling in the conditions studied...
  81. ncbi request reprint Neural correlates of feigned memory impairment
    Tatia M C Lee
    Neuropsychology Laboratory, The University of Hong Kong, Hong Kong SAR, PR China
    Neuroimage 28:305-13. 2005
    ..In conjunction with earlier imaging findings, these three studies suggest that the prefrontal parietal network provides a robust neuroanatomical foundation upon which future dissimulation research may build...
  82. pmc Cortical, thalamic, and hypothalamic responses to cooling and warming the skin in awake humans: a positron-emission tomography study
    Gary F Egan
    Howard Florey Institute and Centre for Neuroscience, University of Melbourne, Melbourne, Victoria 3010, Australia
    Proc Natl Acad Sci U S A 102:5262-7. 2005
    ....
  83. ncbi request reprint Age-related morphology trends of cortical sulci
    Peter Kochunov
    Research Imaging Center, University of Texas Health Science Center at San Antonio, San Antonio, Texas
    Hum Brain Mapp 26:210-20. 2005
    ..Sulcal structures located in multimodal cortical areas showed more profound age-related changes than sulcal structures in unimodal cortical areas (P < 0.05)...
  84. ncbi request reprint Directly mapping magnetic field effects of neuronal activity by magnetic resonance imaging
    Jinhu Xiong
    Research Imaging Center, University of Texas Health Science Center at San Antonio, San Antonio, Texas
    Hum Brain Mapp 20:41-9. 2003
    ..The magnetic-source MRI technique greatly increases the temporal accuracy in detecting neuronal activity, providing a powerful new tool for mapping brain functional organization in human and animals...
  85. ncbi request reprint Acute intravenous low- and high-dose cocaine reduces quantitative global and regional cerebral blood flow in recently abstinent subjects with cocaine use disorder
    Bankole A Johnson
    Department of Psychiatric Medicine, University of Virginia, Charlottesville, Virginia 22908 0623, USA
    J Cereb Blood Flow Metab 25:928-36. 2005
    ..Increasingly larger doses of cocaine may be associated with greater risk for ischemic stroke...
  86. ncbi request reprint Modulation of neural connectivity during tongue movement and reading
    Alex G He
    Department of Psychiatry and McKnight Brain Institute, University of Florida, Gainesville, Florida 32610, USA
    Hum Brain Mapp 18:222-32. 2003
    ....
  87. ncbi request reprint Neural systems of second language reading are shaped by native language
    Li Hai Tan
    Joint Laboratories for Language and Cognitive Neuroscience, University of Hong Kong, Hong Kong
    Hum Brain Mapp 18:158-66. 2003
    ..Our brain imaging findings lend strongest support to the idea that language experience tunes the cortex...
  88. ncbi request reprint Myelination in children with partial deletions of chromosome 18q
    Jack L Lancaster
    Research Imaging Center, University of Texas Health Science Center at San Antonio, TX 78284, USA
    AJNR Am J Neuroradiol 26:447-54. 2005
    ..We compared myelin levels in white matter (WM) in typically developing children with those of children with partial deletions of chromosome 18q (18q-)...
  89. ncbi request reprint Gender differences in neural correlates of recognition of happy and sad faces in humans assessed by functional magnetic resonance imaging
    Tatia M C Lee
    Neuropsychology Laboratory, Department of Psychology, The University of Hong Kong, Pokfulam Road, Hong Kong, Hong Kong
    Neurosci Lett 333:13-6. 2002
    ..This suggests that the generalizability of findings in regard to neural correlates of facial emotion recognition should consider the gender of the subjects...
  90. ncbi request reprint Lie detection by functional magnetic resonance imaging
    Tatia M C Lee
    Department of Psychology, The University of Hong Kong, Pokfulam Road, Hong Kong
    Hum Brain Mapp 15:157-64. 2002
    ....
  91. ncbi request reprint Positron emission tomography scanning in essential blepharospasm
    John B Kerrison
    Department of Ophthalmology, Wilford Hall Medical Center, Lackland AFB, Lackland, Texas, USA
    Am J Ophthalmol 136:846-52. 2003
    ..To localize in the brain using positron emission tomography neuroimaging with (18)fluorodeoxyglucose [PET ((18)FDG)] differences in glucose metabolism between patients with essential blepharospasm (EB) and controls...
  92. ncbi request reprint Attention deficit hyperactivity disorder and neurocognitive correlates after childhood stroke
    Jeffrey E Max
    University of California, San Diego, USA
    J Int Neuropsychol Soc 9:815-29. 2003
    ..These findings suggest that inattention and apathy are core features of ADHD/Traits after childhood stroke. This association may provide clues towards the understanding of mechanisms underlying the syndrome...
  93. ncbi request reprint Cortical sulci and bipolar disorder
    Thomas R Coyle
    Department of Psychology, University of Texas at San Antonio, Texas 78249, USA, and Service Hospitalier Frédéric Joliot, Commissariat a l Energie Atomique, Orsay Cedex, France
    Neuroreport 17:1739-42. 2006
    ..The results were interpreted in terms of neurodegenerative-illness-related processes, which could produce cortical atrophy and result in wider sulci...
  94. ncbi request reprint Cognitive processing in Chinese literate and illiterate subjects: an fMRI study
    Geng Li
    The Jockey Club MRI Center, Faculty of Medicine, The University of Hong Kong, Hong Kong
    Hum Brain Mapp 27:144-52. 2006
    ..These results indicate that the patterns of neural activation associated with language tasks are strongly influenced by education. Education appears to have enhanced cognitive processing efficiency in language tasks...
  95. ncbi request reprint Testing the three-pool white matter model adapted for use with T2 relaxometry
    Trevor Andrews
    Research Imaging Center, University of Texas Health Science Center at San Antonio, San Antonio, Texas 78284 6240, USA
    Magn Reson Med 54:449-54. 2005
    ..All methods performed well with noiseless data. At lower SNR values the three-pool model was superior, primarily due to the fact that the other methods often could not unambiguously calculate pool fractions...
  96. pmc Reduced amygdala activation in young adults at high risk of alcoholism: studies from the Oklahoma family health patterns project
    David C Glahn
    Neuroimaging Core, Department of Psychiatry, University of Texas Health Science Center at San Antonio, Texas, USA
    Biol Psychiatry 61:1306-9. 2007
    ..Risk of alcoholism is higher in those with a positive family history (FH+) and in those showing behavioral disinhibition, possibly reflecting altered limbic system function...
  97. ncbi request reprint Neural systems for word meaning modulated by semantic ambiguity
    Alice H D Chan
    Department of Linguistics, University of Hong Kong, Hong Kong
    Neuroimage 22:1128-33. 2004
    ..These findings indicate that semantic analysis of written words is a dynamic process involving coordination of widely distributed neural subsystems, which are weighted by semantic ambiguity...
  98. ncbi request reprint Verbal learning and memory after childhood stroke
    Amy E Lansing
    University of California, San Diego, USA
    J Int Neuropsychol Soc 10:742-52. 2004
    ..In stark contrast with adult-onset stroke, both left- and right-hemisphere lesions during childhood resulted in similar VLM performance...
  99. ncbi request reprint More workload on the central executive of working memory, less attention capture by novel visual distractors: evidence from an fMRI study
    John A Spinks
    Joint Laboratories for Language and Cognitive Neuroscience, University of Hong Kong, Hong Kong
    Neuroimage 23:517-24. 2004
    ....
  100. ncbi request reprint Neuroanatomical correlates of phonological processing of Chinese characters and alphabetic words: a meta-analysis
    Li Hai Tan
    Cognitive Neuroscience Laboratory, Department of Linguistics, University of Hong Kong, Pokfulam Road, Hong Kong
    Hum Brain Mapp 25:83-91. 2005
    ..Language form, cognitive process, and learning strategy drive the development of functional neuroanatomy...
  101. doi request reprint The power of spectral density analysis for mapping endogenous BOLD signal fluctuations
    Eugene P Duff
    Howard Florey Institute, Centre for Neuroscience, University of Melbourne, Victoria, Australia
    Hum Brain Mapp 29:778-90. 2008
    ..Correlations between motor regions also reduced with task performance. In conclusion, analysis of PSD is a sensitive method for detecting and characterizing BOLD signal oscillations that can enhance the analysis of network connectivity...

Research Grants5

  1. ROBOTIC IMAGE-GUIDED TRANSCRANIAL MAGNETIC STIMULATION
    Peter Fox; Fiscal Year: 2001
    ..Collectively, these technical developments and physiological validations will create a system with wide potential for clinical and research applications. ..
  2. METANALYSIS COGNITIVE NEUROIMAGING: METHODS VALIDATIONS
    Peter Fox; Fiscal Year: 2002
    ..As this approach to metanalysis is new and substantially different from prior forms of metanalysis, the field of informatics stands to benefit from the validation of a new analysis paradigm. ..
  3. IMAGING AND MODELING THERAPEUTIC MECHANISMS OF ACTION
    Peter Fox; Fiscal Year: 2003
    ....
  4. O-15 PET Assessment of Stroke Dynamics & Therapy in Rats
    Peter Fox; Fiscal Year: 2006
    ....
  5. NEUROSCIENCE TRAINING PROGRAM
    Peter Fox; Fiscal Year: 2008
    ..Program administration will be overseen with periodic evaluation and strategic planning input from an External Advisory Committee comprised of six scientists with expertise relevant to research training. [unreadable] [unreadable]..