Research Topics
| T J GrabowskiSummaryAffiliation: University of Iowa Country: USA Publications
Research Grants
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Detail Information
Publications
More to MCI than meets the eyeThomas J Grabowski
Laboratory of Computational Neuroimaging, The University of Iowa, Iowa City, IA, USA
Cortex 44:753-6. 2008- A role for left temporal pole in the retrieval of words for unique entitiesT J Grabowski
Department of Neurology, University of Iowa College of Medicine, Iowa City, Iowa 52242, USA
Hum Brain Mapp 13:199-212. 2001..These findings are consistent with the notion that activity in the left temporal pole is linked to the level of specificity of word retrieval rather than the conceptual class to which the stimulus belongs... - Residual naming after damage to the left temporal pole: a PET activation studyThomas J Grabowski
Department of Neurology, The University of Iowa College of Medicine, Iowa City, IA 52242, USA
Neuroimage 19:846-60. 2003..There was increased activity in early visual cortices, suggesting intensification of visual processing to compensate for the defective preferred name retrieval processing... - Effects of gender on blood flow correlates of naming concrete entitiesThomas J Grabowski
Department of Neurology, The University of Iowa Carver College of Medicine, Iowa City, IA 52242, USA
Neuroimage 20:940-54. 2003..Although the gender effects we found are smaller than the task effects, they are not negligible for the purposes of performing and interpreting functional imaging studies... - Adaptive pacing of visual stimulation for fMRI studies involving overt speechThomas J Grabowski
Department of Neurology, University of Iowa, 200 Hawkins Dr 2155F RCP, Iowa City, IA 52242, USA
Neuroimage 29:1023-30. 2006.... - Neural correlates of naming actions and of naming spatial relationsH Damasio
Department of Neurology, Division of Cognitive Neuroscience, University of Iowa College of Medicine, Iowa City, Iowa, USA
Neuroimage 13:1053-64. 2001..The activity in posterior IT is thought to be related to object processing and possibly name retrieval at a subconscious level... - Subcortical and cortical brain activity during the feeling of self-generated emotionsA R Damasio
Department of Neurology Division of Cognitive Neuroscience and PET Imaging Center, University of Iowa College of Medicine, 200 Hawkins Drive, Iowa City, Iowa 52242, USA
Nat Neurosci 3:1049-56. 2000..The findings also lend support to the idea that the subjective process of feeling emotions is partly grounded in dynamic neural maps, which represent several aspects of the organism's continuously changing internal state... - A neural signature of phonological access: distinguishing the effects of word frequency from familiarity and length in overt picture namingWilliam W Graves
University of Iowa, USA
J Cogn Neurosci 19:617-31. 2007.... - Naming the same entities from visual or from auditory stimulation engages similar regions of left inferotemporal corticesDaniel Tranel
Department of Neurology, University of Iowa College of Medicine, Iowa City 52242, USA
J Cogn Neurosci 17:1293-305. 2005..The results provide novel evidence to support the notion that left IT structures contain "modality-neutral" systems for mediating between conceptual knowledge and word retrieval... - Effects of noun-verb homonymy on the neural correlates of naming concrete entities and actionsDaniel Tranel
Division of Cognitive Neuroscience, Department of Neurology, University of Iowa College of Medicine, USA
Brain Lang 92:288-99. 2005.... - Evaluation of voxel-based morphometry for focal lesion detection in individualsSonya Mehta
Department of Neurology, University of Iowa, Iowa City, IA 52242, USA
Neuroimage 20:1438-54. 2003..In its current form, VBM is not a suitable stand-alone technique for detecting or spatially characterizing focal lesions... 
Disconnection's renaissance takes shape: Formal incorporation in group-level lesion studiesDavid Rudrauf
Department of Neurology, University of Iowa Carver College of Medicine, Iowa City, IA 52242, USA
Cortex 44:1084-96. 2008..The enhanced analysis framework opens a new avenue for studying neural systems, with the potential to facilitate identification of both cortical sectors and fiber tracts critical for cognitive functioning...- Analysis of speech-related variance in rapid event-related fMRI using a time-aware acquisition systemS Mehta
Department of Neurology, University of Iowa, 200 Hawkins Dr 2155 RCP, Iowa City, IA 52242, USA
Neuroimage 29:1278-93. 2006..They further demonstrate the utility of precise timing information about speech and respiration for this purpose... - Real-time multiple linear regression for fMRI supported by time-aware acquisition and processingC Smyser
Department of Neurology, The University of Iowa, 200 Hawkins Dr, Iowa City, IA 52242, USA
Magn Reson Med 45:289-98. 2001..The system provides a time-accounting infrastructure that readily supports standard and innovative approaches to fMRI. Magn Reson Med 45:289-298, 2001... - Sexual dimorphism and asymmetries in the gray-white composition of the human cerebrumJohn S Allen
Department of Neurology, University of Iowa Hospitals and Clinics, 200 Hawkins Drive, Iowa City, IA 52242, USA
Neuroimage 18:880-94. 2003..This is not to say, however, that these patterns are not important for understanding the natural history of the human brain, and its evolution and development... - Model assessment and model building in fMRIMehrdad Razavi
Department of Neurology, University of Iowa, Iowa City, Iowa, USA
Hum Brain Mapp 20:227-38. 2003..Hum. Brain Mapping 20:227-238, 2003... 
Thresholding lesion overlap difference maps: application to category-related naming and recognition deficitsDavid Rudrauf
Laboratory of Computational Neuroimaging, Department of Neurology, Division of Behavioral Neurology and Cognitive Neuroscience, University of Iowa College of Medicine, 200 Hawkins Drive, Iowa City, IA 52242, USA
Neuroimage 41:970-84. 2008..We strongly suggest that when inferential statistics are used in voxel-wise lesion-deficit statistical mapping, these or other power maps be included in the reports...- The neural correlates of sign versus word productionKaren Emmorey
Laboratory for Language and Cognitive Neuroscience, San Diego State University, 6495 Alvarado Road, Suite 200, San Diego, CA 92120, USA
Neuroimage 36:202-8. 2007..g., selection of hand configuration and place of articulation features), whereas activation within SPL may reflect proprioceptive monitoring of motoric output... - The left posterior superior temporal gyrus participates specifically in accessing lexical phonologyWilliam W Graves
Medical College of Wisconsin, Neuro Lab, Milwaukee, WI 53226, USA
J Cogn Neurosci 20:1698-710. 2008..The left pSTG demonstrated significant effects independently in both experiments, suggesting that this area participates specifically in accessing lexical phonology...
Research Grants
- TimeAware Data Acquisition,RealTime Processing for fMRIThomas Grabowski; Fiscal Year: 2005..abstract_text> ..
- Time-Aware fMRI for Interactive Naming in AphasiaThomas Grabowski; Fiscal Year: 2005..The results will provide a basis for assessing feasibility and power of future applications of fMRI in aphasia rehabilitation. The tools developed here will be made available to the research community. ..