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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).

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Related Experiment Video

Updated: Jun 16, 2026

Probing the Brain in Autism Using fMRI and Diffusion Tensor Imaging
12:21

Probing the Brain in Autism Using fMRI and Diffusion Tensor Imaging

Published on: September 12, 2011

[Molecular approaches in experimental neuroimaging].

Bertrand Tavitian1

  • 1Commissariat a l'Energie Atomique (CEA).

Bulletin De L'Academie Nationale De Medecine
|February 3, 2010
PubMed
Summary

This study compares four molecular imaging techniques (MRI, optics, ultrasound, and PET) across six parameters. It highlights the need for sensitive methods in in vivo research, particularly for blood-brain barrier passage and disease pathology.

Area of Science:

  • Biomedical Engineering
  • Medical Imaging
  • Molecular Biology

Context:

  • In vivo molecular imaging is crucial for understanding biological processes and disease mechanisms.
  • Current techniques face limitations in resolution, depth, sensitivity, portability, quantification, and cost.
  • Electromagnetic radiation spans frequencies, photonic energies, and wavelengths relevant to molecular imaging.

Purpose:

  • To quantify and compare six key parameters of four major molecular imaging techniques: MRI, optics, ultrasound, and Positron Emission Tomography (PET).
  • To evaluate these techniques based on their performance with different types of electromagnetic radiation (frequencies, photonic energy, wavelengths).
  • To illustrate the application of these techniques in experimental in vivo studies on small animals.

Summary:

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Neuroimaging-Guided TMS&#8211;EEG for Real-Time Cortical Network Mapping
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Neuroimaging-Guided TMS–EEG for Real-Time Cortical Network Mapping

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High-resolution Functional Magnetic Resonance Imaging Methods for Human Midbrain
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High-resolution Functional Magnetic Resonance Imaging Methods for Human Midbrain

Published on: May 10, 2012

Related Experiment Videos

Last Updated: Jun 16, 2026

Probing the Brain in Autism Using fMRI and Diffusion Tensor Imaging
12:21

Probing the Brain in Autism Using fMRI and Diffusion Tensor Imaging

Published on: September 12, 2011

Neuroimaging-Guided TMS&#8211;EEG for Real-Time Cortical Network Mapping
09:55

Neuroimaging-Guided TMS–EEG for Real-Time Cortical Network Mapping

Published on: June 13, 2025

High-resolution Functional Magnetic Resonance Imaging Methods for Human Midbrain
10:06

High-resolution Functional Magnetic Resonance Imaging Methods for Human Midbrain

Published on: May 10, 2012

  • The study systematically compares MRI, optics, ultrasound, and PET based on resolution, depth, sensitivity, portability, quantification, and cost.
  • It examines the utility of these techniques across a wide spectrum of electromagnetic radiation.
  • Four experimental examples demonstrate in vivo applications: blood-brain barrier transport, receptor-ligand imaging (PBR), neurodegenerative disease pathology, and calcium signaling dynamics.

Impact:

  • Provides a comparative framework for selecting optimal molecular imaging techniques for specific research questions.
  • Highlights the critical role of sensitivity in molecular imaging for in vivo studies.
  • Demonstrates the versatility of molecular imaging in advancing our understanding of physiology and pathology in preclinical models.