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Questions and Answers
What is the location of the Central Sulcus?
What is the location of the Central Sulcus?
What is the function of the Central Sulcus?
What is the function of the Central Sulcus?
Separates the parietal and frontal lobes, and the Primary Motor Cortex and the Primary Somatosensory Cortex.
When does the Central Sulcus appear?
When does the Central Sulcus appear?
Around six months of fetal life.
What is the Central Sulcus filled with?
What is the Central Sulcus filled with?
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What does the content of CSF affect?
What does the content of CSF affect?
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What is the Central Sulcus's shape related to?
What is the Central Sulcus's shape related to?
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Study Notes
Location
- Positioned between the frontal and parietal lobes of the brain.
Function
- Serves as a dividing line between the frontal and parietal lobes.
- Distinguishes the Primary Motor Cortex (controls voluntary movements) from the Primary Somatosensory Cortex (processes sensory information).
Development
- The Central Sulcus develops around six months into fetal life, indicating its early formation in brain development.
Composition
- The sulcus is filled with cerebrospinal fluid (CSF), which plays a crucial role in brain protection and nutrient supply.
Imaging Effects
- The content of cerebrospinal fluid impacts the appearance of the Central Sulcus in MRI scans, influencing whether it appears light or dark.
Morphology
- The shape of the Central Sulcus is associated with hand dominance; individuals with a dominant hand have a larger cortical area devoted to that hand compared to the non-dominant hand.
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Description
Explore the Central Sulcus, its location between the frontal and parietal lobes, and its crucial role in distinguishing key brain functions. Learn about its development, composition, and morphology, including its significance in MRI imaging and hand dominance. This quiz tests your understanding of brain anatomy and physiology.
