Roy H Hamilton

Summary

Affiliation: University of Pennsylvania
Country: USA

Publications

  1. pmc Mechanisms of aphasia recovery after stroke and the role of noninvasive brain stimulation
    Roy H Hamilton
    University of Pennsylvania, Department of Neurology, Center for Cognitive Neuroscience, Philadelphia, United States
    Brain Lang 118:40-50. 2011
  2. doi request reprint Association between in vivo fluorine 18-labeled flutemetamol amyloid positron emission tomography imaging and in vivo cerebral cortical histopathology
    David A Wolk
    Penn Memory Center, 3615 Chestnut St, Philadelphia, PA 19104, USA
    Arch Neurol 68:1398-403. 2011
  3. pmc Phosphorylated tau/amyloid beta 1-42 ratio in ventricular cerebrospinal fluid reflects outcome in idiopathic normal pressure hydrocephalus
    Sunil Patel
    Department of Neurology, University of Pennsylvania School of Medicine, Philadelphia, PA 19104, USA
    Fluids Barriers CNS 9:7. 2012
  4. pmc Stimulating conversation: enhancement of elicited propositional speech in a patient with chronic non-fluent aphasia following transcranial magnetic stimulation
    Roy H Hamilton
    Laboratory for Cognition and Neural Stimulation, Department of Neurology, University of Pennsylvania, Philadelphia, PA 19104, USA
    Brain Lang 113:45-50. 2010
  5. pmc The right hemisphere is not unitary in its role in aphasia recovery
    Peter E Turkeltaub
    Laboratory for Cognition and Neural Stimulation, Department of Neurology, University of Pennsylvania, Philadelphia, PA, USA
    Cortex 48:1179-86. 2012
  6. pmc Transcranial direct current stimulation accelerates allocentric target detection
    Jared Medina
    Department of Neurology, Center for Cognitive Neuroscience, University of Pennsylvania, 3 West Gates, 3400 Spruce Street, Philadelphia, PA 19104, USA
    Brain Stimul 6:433-9. 2013
  7. pmc Parietal influence on temporal encoding indexed by simultaneous transcranial magnetic stimulation and electroencephalography
    Martin Wiener
    Department of Neurology, Perelman School of Medicine of the University of Pennsylvania, Philadelphia, Pennsylvania 19104, USA
    J Neurosci 32:12258-67. 2012
  8. pmc Are networks for residual language function and recovery consistent across aphasic patients?
    Peter E Turkeltaub
    Laboratory for Cognition and Neural Stimulation, Department of Neurology, University of Pennsylvania Health System, 3400 Spruce Street, 3W Gates Building, Philadelphia, PA 19104, USA
    Neurology 76:1726-34. 2011
  9. pmc Increased effect of target eccentricity on covert shifts of visual attention in patients with neglect
    Roy H Hamilton
    Department of Neurology, Hospital of the University of Pennsylvania, 3400 Spruce Street, Philadelphia, PA 19104, USA
    Cortex 46:68-76. 2010
  10. ncbi request reprint Art produced by a patient with Parkinson's disease
    Anjan Chatterjee
    Department of Neurology, University of Pennsylvania School of Medicine, Philadelphia, PA 19104, USA
    Behav Neurol 17:105-8. 2006

Collaborators

Detail Information

Publications20

  1. pmc Mechanisms of aphasia recovery after stroke and the role of noninvasive brain stimulation
    Roy H Hamilton
    University of Pennsylvania, Department of Neurology, Center for Cognitive Neuroscience, Philadelphia, United States
    Brain Lang 118:40-50. 2011
    ..We further argue that TMS and tDCS are potentially promising tools for enhancing functional recovery of language and for further elucidating mechanisms of plasticity in patients with aphasia...
  2. doi request reprint Association between in vivo fluorine 18-labeled flutemetamol amyloid positron emission tomography imaging and in vivo cerebral cortical histopathology
    David A Wolk
    Penn Memory Center, 3615 Chestnut St, Philadelphia, PA 19104, USA
    Arch Neurol 68:1398-403. 2011
    ..To determine the correspondence of in vivo quantitative estimates of brain uptake of fluorine 18-labeled flutemetamol with immunohistochemical estimates of amyloid levels in patients who underwent previous biopsy...
  3. pmc Phosphorylated tau/amyloid beta 1-42 ratio in ventricular cerebrospinal fluid reflects outcome in idiopathic normal pressure hydrocephalus
    Sunil Patel
    Department of Neurology, University of Pennsylvania School of Medicine, Philadelphia, PA 19104, USA
    Fluids Barriers CNS 9:7. 2012
    ..abstract:..
  4. pmc Stimulating conversation: enhancement of elicited propositional speech in a patient with chronic non-fluent aphasia following transcranial magnetic stimulation
    Roy H Hamilton
    Laboratory for Cognition and Neural Stimulation, Department of Neurology, University of Pennsylvania, Philadelphia, PA 19104, USA
    Brain Lang 113:45-50. 2010
    ..These findings suggest that manipulation of the intact contralesional cortex in patients with non-fluent aphasia may result in language benefits that generalize beyond naming to include other aspects of language production...
  5. pmc The right hemisphere is not unitary in its role in aphasia recovery
    Peter E Turkeltaub
    Laboratory for Cognition and Neural Stimulation, Department of Neurology, University of Pennsylvania, Philadelphia, PA, USA
    Cortex 48:1179-86. 2012
    ..No support is found for interhemispheric inhibition, the theoretical framework on which most therapeutic brain stimulation protocols for aphasia are based...
  6. pmc Transcranial direct current stimulation accelerates allocentric target detection
    Jared Medina
    Department of Neurology, Center for Cognitive Neuroscience, University of Pennsylvania, 3 West Gates, 3400 Spruce Street, Philadelphia, PA 19104, USA
    Brain Stimul 6:433-9. 2013
    ....
  7. pmc Parietal influence on temporal encoding indexed by simultaneous transcranial magnetic stimulation and electroencephalography
    Martin Wiener
    Department of Neurology, Perelman School of Medicine of the University of Pennsylvania, Philadelphia, Pennsylvania 19104, USA
    J Neurosci 32:12258-67. 2012
    ..These results suggest that a feedforward mechanism from parietal to prefrontal regions mediates temporal encoding and demonstrate a dissociation between early and late phases of encoding processes...
  8. pmc Are networks for residual language function and recovery consistent across aphasic patients?
    Peter E Turkeltaub
    Laboratory for Cognition and Neural Stimulation, Department of Neurology, University of Pennsylvania Health System, 3400 Spruce Street, 3W Gates Building, Philadelphia, PA 19104, USA
    Neurology 76:1726-34. 2011
    ..To address this question, we performed a meta-analysis of functional neuroimaging studies of chronic aphasia after stroke...
  9. pmc Increased effect of target eccentricity on covert shifts of visual attention in patients with neglect
    Roy H Hamilton
    Department of Neurology, Hospital of the University of Pennsylvania, 3400 Spruce Street, Philadelphia, PA 19104, USA
    Cortex 46:68-76. 2010
    ..By either account, we argue that neglect is characterized by an eccentricity-dependent deficit in the allocation of attention...
  10. ncbi request reprint Art produced by a patient with Parkinson's disease
    Anjan Chatterjee
    Department of Neurology, University of Pennsylvania School of Medicine, Philadelphia, PA 19104, USA
    Behav Neurol 17:105-8. 2006
    ..He also became preoccupied with his art in an unprecedented way, raising the possibility that his disease and medications were contributing to his creative drive...
  11. doi request reprint Electroencephalographic changes following direct current deep brain stimulation of auditory cortex: a new model for investigating neuromodulation
    Joaquin O De Rojas
    Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania, USA
    Neurosurgery 72:267-75; discussion 275. 2013
    ..Therefore, there is a need for new animal models of neuromodulation...
  12. pmc Left lateralizing transcranial direct current stimulation improves reading efficiency
    Peter E Turkeltaub
    Laboratory for Cognition and Neural Stimulation, Department of Neurology, University of Pennsylvania Health System, Philadelphia, Pennsylvania, USA
    Brain Stimul 5:201-7. 2012
    ..Previous research has demonstrated a relationship between left posterior temporal cortex (pTC) function and reading ability, regardless of dyslexia status...
  13. pmc Blood flow and oxygenation changes due to low-frequency repetitive transcranial magnetic stimulation of the cerebral cortex
    Rickson C Mesquita
    University of Pennsylvania, Department of Physics and Astronomy, Philadelphia, Pennsylvania 19104, USA
    J Biomed Opt 18:067006. 2013
    ..29). In total, these findings provide new information about hemodynamic/metabolic responses to low-frequency rTMS and, importantly, demonstrate the feasibility of DCS/DOS for noninvasive monitoring of TMS-induced physiologic effects...
  14. doi request reprint Noninvasive brain stimulation in the treatment of aphasia: exploring interhemispheric relationships and their implications for neurorehabilitation
    Evangelia G Chrysikou
    University of Pennsylvania, Department of Psychology, Center for Cognitive Neuroscience, Philadelphia, PA, USA
    Restor Neurol Neurosci 29:375-94. 2011
    ....
  15. pmc Space, time, and causality in the human brain
    Adam J Woods
    Department of Aging and Geriatric Research, Cognitive Aging and Memory Clinical Translational Research Program, Institute on Aging, University of Florida, Gainesville, FL 32610, USA Center for Cognitive Neuroscience, Department of Neurology, University of Pennsylvania, Philadelphia, PA 19104, USA Electronic address
    Neuroimage 92:285-97. 2014
    ....
  16. pmc Differences in the experience of active and sham transcranial direct current stimulation
    Sudha Kilaru Kessler
    Division of Neurology, Children s Hospital of Philadelphia, Philadelphia, Pennsylvania, USA
    Brain Stimul 5:155-62. 2012
    ..Few have directly evaluated whether sham and active stimulation are indistinguishable...
  17. ncbi request reprint An acquired deficit of audiovisual speech processing
    Roy H Hamilton
    Department of Neurology, University of Pennsylvania, Philadelphia, PA 19104, USA
    Brain Lang 98:66-73. 2006
    ..Unlike normal controls, he showed no McGurk effect. We propose that multisensory binding of audiovisual language cues can be selectively disrupted...