PRESYLVIAN Meaning and
Definition
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The term "presylvian" refers to a region of the brain situated in the anterior part of the sylvian fissure. Specifically, it pertains to the area located in front of the sylvian fissure, which is one of the most prominent and largest fissures in the brain. The sylvian fissure itself, also known as the lateral sulcus, separates the parietal and temporal lobes from the frontal lobe, creating distinct anatomical boundaries.
The presylvian region plays a crucial role in various cognitive processes, including language comprehension, sensory perception, motor control, and memory formation. It encompasses several important structures, such as the primary auditory cortex, responsible for processing auditory information, and parts of the frontal lobe involved in executive functions like decision-making and attention.
Furthermore, the presylvian region is closely associated with the language-related Wernicke and Broca's areas. Wernicke's area, located in the superior temporal gyrus, is commonly associated with comprehension and the understanding of spoken and written language. On the other hand, Broca's area, situated in the posterior frontal lobe, is mainly involved in language production.
Understanding the functions and connectivity of the presylvian region is crucial for unraveling the complex neural mechanisms underlying human cognition and behavior. By examining this region's activity and connectivity using advanced neuroimaging techniques, researchers can gain valuable insights into the functioning of the brain and the intricate networks that support our cognitive abilities.
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Noting the anterior horizontal ramus of the Sylvian fissure, or fissura cerebri lateralis.
A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.
Common Misspellings for PRESYLVIAN
- oresylvian
- lresylvian
- -resylvian
- 0resylvian
- peesylvian
- pdesylvian
- pfesylvian
- ptesylvian
- p5esylvian
- p4esylvian
- prwsylvian
- prssylvian
- prdsylvian
- prrsylvian
- pr4sylvian
- pr3sylvian
- preaylvian
- prezylvian
- prexylvian
- predylvian
Etymology of PRESYLVIAN
The term "presylvian" is a compound word, derived from the combination of two parts: "pre-" and "sylvian".
1. "Pre-": It is a prefix that comes from the Latin word "prae", meaning "before" or "in front of". In English, the prefix "pre-" is used to indicate something that comes before or precedes.
2. "Sylvian" or "sylvian fissure": This term refers to the Sylvian fissure, also known as the lateral sulcus. It is a prominent landmark in the brain that separates the frontal and temporal lobes. This fissure was named after Franciscus Sylvius (1614-1672), a Dutch physician and anatomist who first described it.
When these two parts are combined, "presylvian" refers to something located or occurring in front of or before the Sylvian fissure.
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