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Related Concept Videos

Brain Imaging01:14

Brain Imaging

Brain imaging technologies provide critical insights into both the structure and function of the human brain, enabling medical professionals and researchers to diagnose, study, and treat neurological disorders or psychiatric disorders more effectively.
These technologies include computerized axial tomography (CAT or CT scans), positron-emission tomography (PET scans),  magnetic resonance imaging (MRI),  functional magnetic resonance imaging (fMRI), and Transcranial Magnetic Stimulation (TMS).
Applications Of NMR In Biology01:25

Applications Of NMR In Biology

Nuclear magnetic resonance (NMR) spectroscopy is a very valuable analytical technique for researchers. It has been used for more than 50 years as an analytical tool. F. Bloch and E. Purcell formulated NMR in 1946 and won the 1952 Nobel Prize in Physics  for their work. Biological macromolecules such as proteins, nucleic acids, lipids, and organic molecules including pharmaceutical compounds, can be studied using this versatile tool that exploits the magnetic properties of certain nuclei.
The...
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Magnetic resonance imaging (MRI) is a noninvasive medical imaging technique based on a phenomenon of nuclear physics discovered in the 1930s, in which matter exposed to magnetic fields and radio waves was found to emit radio signals. In 1970, a physician and researcher named Raymond Damadian noticed that malignant (cancerous) tissue gave off different signals than normal body tissue. He applied for a patent for the first MRI scanning device in clinical use by the early 1980s. The early MRI...

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Molecular neuroimaging: from conventional to emerging techniques.

Dima A Hammoud1, John M Hoffman, Martin G Pomper

  • 1Department of Radiology, Johns Hopkins University School of Medicine, 1550 Orleans St, CRB-2, Room 492, Baltimore, MD 21231, USA.

Radiology
|September 22, 2007
PubMed
Summary

Molecular neuroimaging advances our understanding of brain function and diseases like Alzheimer's and Parkinson's. This review covers the current state and clinical uses of these vital central nervous system imaging techniques.

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Area of Science:

  • Neuroscience
  • Medical Imaging

Background:

  • Molecular imaging techniques, including CT, MRI, SPECT, and PET, originated with neuropsychiatric applications.
  • The brain's complexity and the blood-brain barrier present unique challenges for imaging.
  • Neurotransmitter systems and neuronal networks are altered in many devastating neurological and psychiatric diseases.

Purpose of the Study:

  • To review the current state of molecular neuroimaging.
  • To discuss the clinical applications of molecular neuroimaging in understanding and treating brain diseases.

Main Methods:

  • Review of established and emerging molecular imaging modalities.
  • Discussion of their application in studying central nervous system (CNS) function and pathology.

Main Results:

  • Molecular imaging has significantly improved the understanding of brain biology and disease mechanisms.
  • Techniques like PET and SPECT allow visualization of neurotransmitter systems and pathological processes in vivo.
  • These methods are crucial for diagnosing and monitoring conditions such as Alzheimer's, Parkinson's, and brain tumors.

Conclusions:

  • Molecular neuroimaging is critical for advancing the understanding and treatment of brain disorders.
  • The field shows immense promise for future clinical applications in neurology and psychiatry.
  • Continued development of molecular imaging techniques will be key to combating debilitating brain diseases.