Ahmed Abdulkadir

Summary

Country: Switzerland

Publications

  1. pmc Effects of hardware heterogeneity on the performance of SVM Alzheimer's disease classifier
    Ahmed Abdulkadir
    Department of Psychiatry and Psychotherapy, Freiburg Brain Imaging, University Medical Center Freiburg, Freiburg, Germany
    Neuroimage 58:785-92. 2011
  2. doi Gray matter atrophy pattern in elderly with subjective memory impairment
    Jessica Peter
    Freiburg Brain Imaging, University Medical Center Freiburg, Freiburg, Germany Department of Neurology, University Medical Center Freiburg, Freiburg, Germany Department of Psychology, Laboratory for Biological and Personality Psychology, University of Freiburg, Freiburg, Germany Electronic address
    Alzheimers Dement 10:99-108. 2014
  3. pmc Interregional compensatory mechanisms of motor functioning in progressing preclinical neurodegeneration
    Elisa Scheller
    Department of Psychiatry and Psychotherapy, University Medical Center Freiburg, Hauptstrasse 5, 79104 Freiburg, Germany
    Neuroimage 75:146-54. 2013
  4. pmc Diagnostic neuroimaging across diseases
    Stefan Kloppel
    Department of Psychiatry and Psychotherapy, Section of Gerontopsychiatry and Neuropsychology, Freiburg Brain Imaging, University Medical Center Freiburg, Hauptstrasse 5, Freiburg, Germany
    Neuroimage 61:457-63. 2012
  5. doi Correction of inter-scanner and within-subject variance in structural MRI based automated diagnosing
    Daniel Kostro
    Freiburg Brain Imaging Center, University Medical Center, University of Freiburg, Freiburg, Germany Department of Psychiatry and Psychotherapy, University Medical Center Freiburg, Freiburg, Germany Surgical Planning Laboratory, Brigham and Women s Hospital, Harvard Medical School, Boston, USA
    Neuroimage 98:405-15. 2014
  6. doi Detection of preclinical neural dysfunction from functional connectivity graphs derived from task fMRI. An example from degeneration
    Yolanda Vives-Gilabert
    Freiburg Brain Imaging, University of Freiburg, Freiburg, Germany Port d Informació Científica PIC, Campus UAB Edifici D, Bellaterra, Spain Electronic address
    Psychiatry Res 214:322-30. 2013
  7. pmc Insomnia does not appear to be associated with substantial structural brain changes
    Kai Spiegelhalder
    Department of Psychiatry and Psychotherapy, University Medical Center Freiburg, Germany
    Sleep 36:731-7. 2013
  8. ncbi Functional and structural MRI biomarkers to detect pre-clinical neurodegeneration
    Ahmed Abdulkadir
    Department of Psychiatry and Psychotherapy, Section of Gerontopsychiatry and Neuropsychology, Freiburg Brain Imaging, University Medical Center Freiburg, Freiburg, Germany
    Curr Alzheimer Res 10:125-34. 2013

Detail Information

Publications8

  1. pmc Effects of hardware heterogeneity on the performance of SVM Alzheimer's disease classifier
    Ahmed Abdulkadir
    Department of Psychiatry and Psychotherapy, Freiburg Brain Imaging, University Medical Center Freiburg, Freiburg, Germany
    Neuroimage 58:785-92. 2011
    ..Furthermore, we show that the level of confidence in the performance estimation significantly depends on the size of the training sample, and hence should be taken into account in a clinical setting...
  2. doi Gray matter atrophy pattern in elderly with subjective memory impairment
    Jessica Peter
    Freiburg Brain Imaging, University Medical Center Freiburg, Freiburg, Germany Department of Neurology, University Medical Center Freiburg, Freiburg, Germany Department of Psychology, Laboratory for Biological and Personality Psychology, University of Freiburg, Freiburg, Germany Electronic address
    Alzheimers Dement 10:99-108. 2014
    ..Despite normal cognitive performance, they may be at higher risk of cognitive decline compared with individuals without SMI...
  3. pmc Interregional compensatory mechanisms of motor functioning in progressing preclinical neurodegeneration
    Elisa Scheller
    Department of Psychiatry and Psychotherapy, University Medical Center Freiburg, Hauptstrasse 5, 79104 Freiburg, Germany
    Neuroimage 75:146-54. 2013
    ....
  4. pmc Diagnostic neuroimaging across diseases
    Stefan Kloppel
    Department of Psychiatry and Psychotherapy, Section of Gerontopsychiatry and Neuropsychology, Freiburg Brain Imaging, University Medical Center Freiburg, Hauptstrasse 5, Freiburg, Germany
    Neuroimage 61:457-63. 2012
    ..Specifically, we discuss strategies to deal with disease heterogeneity, diagnostic uncertainties, a probabilistic framework for classification and multi-class classification approaches...
  5. doi Correction of inter-scanner and within-subject variance in structural MRI based automated diagnosing
    Daniel Kostro
    Freiburg Brain Imaging Center, University Medical Center, University of Freiburg, Freiburg, Germany Department of Psychiatry and Psychotherapy, University Medical Center Freiburg, Freiburg, Germany Surgical Planning Laboratory, Brigham and Women s Hospital, Harvard Medical School, Boston, USA
    Neuroimage 98:405-15. 2014
    ..When confounding grouping and scanner during training is unavoidable to gather training data, regressing out inter-scanner and between-subject variability can reduce the loss in accuracy due to the confound. ..
  6. doi Detection of preclinical neural dysfunction from functional connectivity graphs derived from task fMRI. An example from degeneration
    Yolanda Vives-Gilabert
    Freiburg Brain Imaging, University of Freiburg, Freiburg, Germany Port d Informació Científica PIC, Campus UAB Edifici D, Bellaterra, Spain Electronic address
    Psychiatry Res 214:322-30. 2013
    ..Developing methods that reduce variability related to noise should be the focus of future studies. ..
  7. pmc Insomnia does not appear to be associated with substantial structural brain changes
    Kai Spiegelhalder
    Department of Psychiatry and Psychotherapy, University Medical Center Freiburg, Germany
    Sleep 36:731-7. 2013
    ..The goal of the current study was to investigate brain morphometry in a well-characterized large sample of patients with primary insomnia (PI) in comparison with good sleeper controls...
  8. ncbi Functional and structural MRI biomarkers to detect pre-clinical neurodegeneration
    Ahmed Abdulkadir
    Department of Psychiatry and Psychotherapy, Section of Gerontopsychiatry and Neuropsychology, Freiburg Brain Imaging, University Medical Center Freiburg, Freiburg, Germany
    Curr Alzheimer Res 10:125-34. 2013
    ..However, the lower variability and easier processing of the strucutral MRI data make latter the more useful tool for disease detection in a clinical setting...