Research Topics
| P T FoxSummaryAffiliation: University of Texas Health Science Center Country: USA Publications
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Publications
The BrainMap strategy for standardization, sharing, and meta-analysis of neuroimaging dataAngela R Laird
Research Imaging Institute, University of Texas Health Science Center, San Antonio, TX, USA
BMC Res Notes 4:349. 2011..abstract:..
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
BrainMap taxonomy of experimental design: description and evaluationPeter 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...
Brain correlates of stuttering and syllable production. A PET performance-correlation analysisP 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...
Column-based model of electric field excitation of cerebral cortexPeter 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...
Opinion: Mapping context and content: the BrainMap modelPeter T Fox
Research Imaging Center, University of Texas Health Science Center at San Antonio, 78229-3900, USA
Nat Rev Neurosci 3:319-21. 2002
Coordinate-based voxel-wise meta-analysis: dividends of spatial normalization. Report of a virtual workshopPeter 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
Neuroimaging evidence implicating cerebellum in the experience of hypercapnia and hunger for airL 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....
Perfusion-weighted imaging of interictal hypoperfusion in temporal lobe epilepsy using FAIR-HASTE: comparison with H(2)(15)O PET measurementsH 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...
Xenon effects on regional cerebral blood flow assessed by 15O-H2O positron emission tomography: implications for hyperpolarized xenon MRIM 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...
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)]...
Automated Talairach atlas labels for functional brain mappingJ 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...
Cerebral hemodynamic response in Chinese (first) and English (second) language processing revealed by event-related functional MRIY 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...
Effect of partition coefficient, permeability surface product, and radioisotope on the signal-to-noise ratio in PET functional brain mapping: a computer simulationC 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...
Genetics of microstructure of cerebral white matter using diffusion tensor imagingP Kochunov
Research Imaging Center, University of Texas Health Science Center San Antonio, San Antonio, TX 78284, USA
Neuroimage 53:1109-16. 2010....
Neuroimaging evidence implicating cerebellum in support of sensory/cognitive processes associated with thirstL 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...
A study of the reproducibility and etiology of diffusion anisotropy differences in developmental stuttering: a potential role for impaired myelinationM 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...
Temporal dissociation of parallel processing in the human subcortical outputsY 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...
The pharmacokinetics of hyperpolarized xenon: implications for cerebral MRIC 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...
Reciprocal limbic-cortical function and negative mood: converging PET findings in depression and normal sadnessH 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...
Processing speed is correlated with cerebral health markers in the frontal lobes as quantified by neuroimagingP 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...
Hypophonia in Parkinson's disease: neural correlates of voice treatment revealed by PETM 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...
Cortical sulcal areas in baboons (Papio hamadryas spp.) with generalized interictal epileptic discharges on scalp EEGC A Szabo
Department of Neurology, UTHSCSA, San Antonio, TX, USA
Epilepsy Res 93:91-5. 2011....
Location-probability profiles for the mouth region of human primary motor-sensory cortex: model and validationP 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...
Rate dependence of human visual cortical response due to brief stimulation: an event-related fMRI studyB 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...
A tool for comparison of PET and fMRI methods: calculation of the uncertainty in the location of an activation site in a PET imageL D Nickerson
Research Imaging Center, University of Texas Health Science Center, San Antonio 78240, USA
Neuroimage 14:194-201. 2001....
Structure--function spatial covariance in the human visual cortexM 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...
3D modeling of the total electric field induced by transcranial magnetic stimulation using the boundary element methodF 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...
Interregional connectivity to primary motor cortex revealed using MRI resting state imagesJ 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...
ALE meta-analysis: controlling the false discovery rate and performing statistical contrastsAngela 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...
Beyond hypofrontality: a quantitative meta-analysis of functional neuroimaging studies of working memory in schizophreniaDavid 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....
Modeling motor connectivity using TMS/PET and structural equation modelingAngela 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...
Automated analysis of meta-analysis networksJack 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...
Meta-analysis of gray matter anomalies in schizophrenia: application of anatomic likelihood estimation and network analysisDavid 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...
BrainMap: the social evolution of a human brain mapping databaseAngela 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...
Lost in localization? The focus is meta-analysisAngela 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...
Investigating the functional heterogeneity of the default mode network using coordinate-based meta-analytic modelingAngela R Laird
Research Imaging Center, University of Texas Health Science Center, San Antonio, Texas 78229 3900, USA
J Neurosci 29:14496-505. 2009....
Comparison of the disparity between Talairach and MNI coordinates in functional neuroimaging data: validation of the Lancaster transformAngela R Laird
Research Imaging Institute, University of Texas Health Science Center, San Antonio, TX 78229 3900, USA
Neuroimage 51:677-83. 2010....
A comparison of label-based review and ALE meta-analysis in the Stroop taskAngela R Laird
Research Imaging Center, University of Texas Health Science Center, San Antonio, Texas 78229 3900, USA
Hum Brain Mapp 25:6-21. 2005....
Genetics of primary cerebral gyrification: Heritability of length, depth and area of primary sulci in an extended pedigree of Papio baboonsP 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...
A versatile, low-cost method for presenting visual stimuli during MRIJ 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....
Stuttered and fluent speech production: an ALE meta-analysis of functional neuroimaging studiesSteven 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...
Detailed 3D models of the induced electric field of transcranial magnetic stimulation coilsF 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)...
High prevalence of pineal cysts in healthy adults demonstrated by high-resolution, noncontrast brain MR imagingY 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...
Neuroimaging of cerebral activations and deactivations associated with hypercapnia and hunger for airS 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....
Cerebellum and auditory function: an ALE meta-analysis of functional neuroimaging studiesAugusto 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...
Relationship between white matter fractional anisotropy and other indices of cerebral health in normal aging: tract-based spatial statistics study of agingP 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...
Comparison of the experimental BOLD signal change in event-related fMRI with the balloon modelC 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...
Prefrontal hyperactivation during working memory task in untreated individuals with major depressive disorderK 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...
Retrospective motion correction protocol for high-resolution anatomical MRIPeter 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...
The central sulcus: an observer-independent characterization of sulcal landmarks and depth asymmetryMatthew 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...
Comparison of Fourier and wavelet resampling methodsAngela 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...
Age-related morphology trends of cortical sulciPeter 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)...
Age-related differences in response regulation as revealed by functional MRITatia 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...
Derivative temporal clustering analysis: detecting prolonged neuronal activityXia 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...
Neural correlates of feigned memory impairmentTatia 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...
Recurrent interstitial deletions of proximal 18q: a new syndrome involving expressive speech delayJannine 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...
Bias between MNI and Talairach coordinates analyzed using the ICBM-152 brain templateJack 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...
An event-related fMRI study on risk taking by healthy individuals of high or low impulsivenessTatia 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...
Evaluation of MRI models in the measurement of CMRO2 and its relationship with CBFAi 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...
Quantitative measurement of oxygen metabolic rate in the rat brain using microPET imaging of briefly inhaled 15O-labelled oxygen gasSeong 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...
Perisylvian sulcal morphology and cerebral asymmetry patterns in adults who stutterMatthew 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...
Relationship among neuroimaging indices of cerebral health during normal agingPeter 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...
PET imaging in the photosensitive baboon: case-controlled studyC 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...
Intensity modulation of TMS-induced cortical excitation: primary motor cortexPeter 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...
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 functionSeong 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...
Hemispheric asymmetry of sulcus-function correspondence: quantization and developmental implicationsMohammed 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...
CBF changes during brain activation: fMRI vs. PETChing-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...
Towards a functional neural systems model of developmental stutteringRoger 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 song system of the human brainSteven 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....
Estimation of the local statistical noise in positron emission tomography revisited: practical implementationLisa 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...
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...
Mapping structural differences of the corpus callosum in individuals with 18q deletions using targetless regional spatial normalizationPeter 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-...
The brain basis of piano performanceLawrence 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...
Asymmetry of the brain surface from deformation field analysisJack 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...
CNS Resident Award: role of the lateral premotor cortex in articulationNitin 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
Cortical, thalamic, and hypothalamic responses to cooling and warming the skin in awake humans: a positron-emission tomography studyGary 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....
Attention function after childhood strokeJeffrey 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...
Dynamic changes in the cerebral metabolic rate of O2 and oxygen extraction ratio in event-related functional MRIChing-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)...
Three-pool model of white matterJack 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...
Growth hormone benefits children with 18q deletionsJannine 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...
Gender differences in neural correlates of recognition of happy and sad faces in humans assessed by functional magnetic resonance imagingTatia 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...
Attention deficit hyperactivity disorder and neurocognitive correlates after childhood strokeJeffrey 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...
Positron emission tomography scanning in essential blepharospasmJohn 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...
Directly mapping magnetic field effects of neuronal activity by magnetic resonance imagingJinhu 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...
Neural systems of second language reading are shaped by native languageLi 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...
Modulation of neural connectivity during tongue movement and readingAlex G He
Department of Psychiatry and McKnight Brain Institute, University of Florida, Gainesville, Florida 32610, USA
Hum Brain Mapp 18:222-32. 2003....
The power of spectral density analysis for mapping endogenous BOLD signal fluctuationsEugene 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...
Cognitive processing in Chinese literate and illiterate subjects: an fMRI studyGeng 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...
Testing the three-pool white matter model adapted for use with T2 relaxometryTrevor 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...
Neuroanatomical correlates of phonological processing of Chinese characters and alphabetic words: a meta-analysisLi 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...
Cortical sulci and bipolar disorderThomas 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...
Myelination in children with partial deletions of chromosome 18qJack 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..001). CONCLUSION: Myelination modeling in 18q- children indicated delayed onset, a lower rate of myelination, and equilibrium myelin levels less than 50% those of age-matched, typically developing children...
Acute intravenous low- and high-dose cocaine reduces quantitative global and regional cerebral blood flow in recently abstinent subjects with cocaine use disorderBankole 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...
Reduced amygdala activation in young adults at high risk of alcoholism: studies from the Oklahoma family health patterns projectDavid 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...
More workload on the central executive of working memory, less attention capture by novel visual distractors: evidence from an fMRI studyJohn A Spinks
Joint Laboratories for Language and Cognitive Neuroscience, University of Hong Kong, Hong Kong
Neuroimage 23:517-24. 2004....
Verbal learning and memory after childhood strokeAmy 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...
Neural systems for word meaning modulated by semantic ambiguityAlice 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...
Brain correlates of stuttering and syllable production: gender comparison and replicationRoger J Ingham
Department of Speech and Hearing Sciences, University of California, Santa Barbara, CA, USA
J Speech Lang Hear Res 47:321-41. 2004..The gender differences may be related to differences between the genders with respect to susceptibility (males predominate) and recovery from chronic stuttering (females show higher recovery rates during childhood)...
Lie detection by functional magnetic resonance imagingTatia M C Lee
Department of Psychology, The University of Hong Kong, Pokfulam Road, Hong Kong
Hum Brain Mapp 15:157-64. 2002....
Research Grants
- META-ANALYSIS IN HUMAN BRAIN MAPPINGPeter Fox; Fiscal Year: 2009..Addressing these aims will greatly advance the current status of meta-analysis in functional neuroimaging. The evaluations associated with each development will provide guidance for further development of tools and logistics. ..
- META-ANALYSIS IN HUMAN BRAIN MAPPINGPeter Fox; Fiscal Year: 2009..Addressing these aims will greatly advance the current status of meta-analysis in functional neuroimaging. The evaluations associated with each development will provide guidance for further development of tools and logistics. ..
- NEUROSCIENCE TRAINING PROGRAMPeter Fox; Fiscal Year: 2007..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. ..
- Internat'l Conf. on Functional Mapping of the HumanBrainPeter Fox; Fiscal Year: 2007..e. neuroinformatics. Third, the entire educational program is devoted exclusively to the methods used to study the brain, with a strong emphasis on image anlaysis and other aspects of neuroinformatics. ..
- O-15 PET Assessment of Stroke Dynamics & Therapy in RatsPeter Fox; Fiscal Year: 2006....
- IMAGING AND MODELING THERAPEUTIC MECHANISMS OF ACTIONPeter Fox; Fiscal Year: 2003....
- METANALYSIS COGNITIVE NEUROIMAGING: METHODS VALIDATIONSPeter 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. ..
- ROBOTIC IMAGE-GUIDED TRANSCRANIAL MAGNETIC STIMULATIONPeter Fox; Fiscal Year: 2001..Collectively, these technical developments and physiological validations will create a system with wide potential for clinical and research applications. ..
- META-ANALYSIS IN HUMAN BRAIN MAPPINGAngela R Laird; Fiscal Year: 2010..The BrainMap Project aims to improve public health by developing methods that will enable more informed cognitive, perceptual, and motor models of brain function and dysfunction. The proposed research will allow 2 ..
