Alonso Pena

Summary

Affiliation: University of Cambridge
Country: UK

Publications

  1. ncbi request reprint A case study of hemispatial neglect using finite element analysis and positron emission tomography
    Alonso Pena
    Academic Neurosurgery Unit, Wolfson Brain Imaging Centre, Addenbrooke s Hospital, Department of Engineering, University of Cambridge, United Kingdom
    J Neuroimaging 12:360-7. 2002
  2. ncbi request reprint Changes in cerebral blood flow during cerebrospinal fluid pressure manipulation in patients with normal pressure hydrocephalus: a methodological study
    Brian K Owler
    Academic Neurosurgery Unit, Addenbrooke s Hospital, University of Cambridge, Cambridge, United Kingdom
    J Cereb Blood Flow Metab 24:579-87. 2004
  3. ncbi request reprint Pattern of white matter regional cerebral blood flow and autoregulation in normal pressure hydrocephalus
    Shahan Momjian
    Academic Neurosurgery Unit, Addenbrooke s Hospital and Wolfson Brain Imaging Centre, University of Cambridge, Cambridge, UK
    Brain 127:965-72. 2004
  4. ncbi request reprint Formal characterization and extension of the linearized diffusion tensor model
    Raymond Salvador
    Wolfson Brain Imaging Centre, University of Cambridge, Addenbrooke s Hospital, Cambridge, UK
    Hum Brain Mapp 24:144-55. 2005
  5. ncbi request reprint Head circumference and brain and hippocampal volume after severe traumatic brain injury in childhood
    Robert C Tasker
    Department of Paediatrics, Addenbrooke s Hospital, Cambridge, CB2 2QQ, United Kingdom
    Pediatr Res 58:302-8. 2005
  6. ncbi request reprint Increased anisotropy in acute stroke: a possible explanation
    Hadrian A L Green
    Department of Neurosurgery, Addenbrooke s Hospital and the University of Cambridge, Cambridge, UK
    Stroke 33:1517-21. 2002
  7. ncbi request reprint Normal pressure hydrocephalus and cerebral blood flow: a PET study of baseline values
    Brian K Owler
    Academic Neurosurgery Unit, Addenbrooke s Hospital, Cambridge, UK
    J Cereb Blood Flow Metab 24:17-23. 2004
  8. ncbi request reprint Tissue signature characterisation of diffusion tensor abnormalities in cerebral gliomas
    Stephen J Price
    Department of Radiology, Addenbrooke s Hospital, University of Cambridge, Cambridge, UK
    Eur Radiol 14:1909-17. 2004

Collaborators

Detail Information

Publications8

  1. ncbi request reprint A case study of hemispatial neglect using finite element analysis and positron emission tomography
    Alonso Pena
    Academic Neurosurgery Unit, Wolfson Brain Imaging Centre, Addenbrooke s Hospital, Department of Engineering, University of Cambridge, United Kingdom
    J Neuroimaging 12:360-7. 2002
    ..As symptoms evolved in parallel with brain shift over the subsequent months, the authors hypothesized that the disorder was associated with the appearance of mechanical stresses in the cerebral mantle...
  2. ncbi request reprint Changes in cerebral blood flow during cerebrospinal fluid pressure manipulation in patients with normal pressure hydrocephalus: a methodological study
    Brian K Owler
    Academic Neurosurgery Unit, Addenbrooke s Hospital, University of Cambridge, Cambridge, United Kingdom
    J Cereb Blood Flow Metab 24:579-87. 2004
    ....
  3. ncbi request reprint Pattern of white matter regional cerebral blood flow and autoregulation in normal pressure hydrocephalus
    Shahan Momjian
    Academic Neurosurgery Unit, Addenbrooke s Hospital and Wolfson Brain Imaging Centre, University of Cambridge, Cambridge, UK
    Brain 127:965-72. 2004
    ..These results are discussed in the light of previous hypotheses concerning the aetiology of periventricular CBF reduction in NPH...
  4. ncbi request reprint Formal characterization and extension of the linearized diffusion tensor model
    Raymond Salvador
    Wolfson Brain Imaging Centre, University of Cambridge, Addenbrooke s Hospital, Cambridge, UK
    Hum Brain Mapp 24:144-55. 2005
    ..The combination of diffusivity and its error may provide added value in diagnostic DTI of acute pathologic expansion of the extracellular fluid compartment in brain parenchymal tissue...
  5. ncbi request reprint Head circumference and brain and hippocampal volume after severe traumatic brain injury in childhood
    Robert C Tasker
    Department of Paediatrics, Addenbrooke s Hospital, Cambridge, CB2 2QQ, United Kingdom
    Pediatr Res 58:302-8. 2005
    ....
  6. ncbi request reprint Increased anisotropy in acute stroke: a possible explanation
    Hadrian A L Green
    Department of Neurosurgery, Addenbrooke s Hospital and the University of Cambridge, Cambridge, UK
    Stroke 33:1517-21. 2002
    ..Using an engineering methodology known as pq diagrams, we sought to explain the increase in FA by describing changes in the total magnitude of the diffusion tensor (L) as well as the isotropic (p) and anisotropic (q) components...
  7. ncbi request reprint Normal pressure hydrocephalus and cerebral blood flow: a PET study of baseline values
    Brian K Owler
    Academic Neurosurgery Unit, Addenbrooke s Hospital, Cambridge, UK
    J Cereb Blood Flow Metab 24:17-23. 2004
    ..The results suggest that the role of the basal ganglia and thalamus in NPH may be more prominent than currently appreciated. The implications for theories regarding the pathogenesis of NPH are discussed...
  8. ncbi request reprint Tissue signature characterisation of diffusion tensor abnormalities in cerebral gliomas
    Stephen J Price
    Department of Radiology, Addenbrooke s Hospital, University of Cambridge, Cambridge, UK
    Eur Radiol 14:1909-17. 2004
    ..The direction of water diffusion was grossly abnormal in these cases. Diffusion tissue signatures may be a useful method of assessing occult white matter infiltration...