Talairach coordinates
Talairach Coordinates
Talairach Coordinates (pronunciation: tah-lah-rack co-ordinates) are a set of three-dimensional coordinates used in neuroimaging to locate specific areas within the brain. They were first introduced by the French neurosurgeon Jean Talairach in the 1960s.
Etymology
The term "Talairach Coordinates" is named after Jean Talairach, a French neurosurgeon who developed this system to accurately pinpoint locations within the brain during stereotactic surgery.
Definition
Talairach Coordinates are a set of three numbers that represent the x, y, and z coordinates in a three-dimensional space. In the context of neuroimaging, these coordinates are used to identify the exact location of a specific point within the brain. The origin (0,0,0) of the Talairach space is defined as the Anterior Commissure.
Usage
Talairach Coordinates are widely used in the field of neuroscience and neuroimaging. They are particularly useful in functional neuroimaging studies, such as functional Magnetic Resonance Imaging (fMRI) and Positron Emission Tomography (PET), where they allow researchers to accurately locate the areas of the brain that are activated during different tasks.
Related Terms
- Anterior Commissure: A bundle of nerve fibers in the brain that is used as the origin point in the Talairach coordinate system.
- Posterior Commissure: Another important landmark in the Talairach coordinate system.
- Brodmann Areas: Regions of the cerebral cortex defined by their cytoarchitectonic characteristics, often reported in Talairach coordinates.
- Neuroanatomy: The study of the structure and organization of the nervous system, which often involves the use of Talairach coordinates.
See Also
External links
- Medical encyclopedia article on Talairach coordinates
- Wikipedia's article - Talairach coordinates
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