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Neuroimaging in dementia and depression

  • John O'Brien and Bob Barber

Neuroimaging is traditionally divided into structural and functional imaging. Structural imaging looks at brain structure or anatomy and includes computed tomography (CT) and magnetic resonance imaging (MRI). Functional techniques seek to examine the physiological functioning of the brain, either at rest or during activation, and include single photon emission computed tomography (SPECT), positron emission tomography (PET), MRI spectroscopy, functional MRI (fMRI) and encephalographic brain mapping. Although fMRI, MRI spectroscopy and brain mapping are likely to have clinical applications in the near future, the main imaging modalities of current clinical relevance to psychiatrists are CT, MRI and SPECT, which will be the focus of this article.

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BJPsych Advances
  • ISSN: 1355-5146
  • EISSN: 1472-1481
  • URL: /core/journals/bjpsych-advances
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Neuroimaging in dementia and depression

  • John O'Brien and Bob Barber
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