Structure of the Cerebrum Quiz

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Questions and Answers

Which part of the brain is often referred to as the 'seat of intelligence'?

  • Gray matter
  • Frontal lobe
  • Cerebellum
  • Cerebral cortex (correct)

What divides the cerebrum into right and left hemispheres?

  • Insula
  • Longitudinal fissure (correct)
  • Central sulcus
  • Transverse fissure

Which part of the brain is divided from the parietal lobe by the central sulcus?

  • Temporal lobe
  • Frontal lobe (correct)
  • Insula
  • Occipital lobe

What separates the frontal lobe from the temporal lobe in the brain?

<p>Lateral cerebral sulcus (B)</p> Signup and view all the answers

What are the areas that stick out in the cerebral cortex known as?

<p>Gyri (D)</p> Signup and view all the answers

Which part of the brain is separated from the cerebrum by the transverse fissure?

<p>Cerebellum (B)</p> Signup and view all the answers

What is the function of the gyri in the cerebral cortex?

<p>Increasing surface area for brain functions (D)</p> Signup and view all the answers

Which lobe of the brain is divided from the occipital lobe by the lateral cerebral sulcus?

<p>Frontal lobe (C)</p> Signup and view all the answers

What is the primary difference between gyri and sulci in the cerebral cortex?

<p>Gyri are raised areas, while sulci are grooves. (A)</p> Signup and view all the answers

Which fissure divides the cerebrum into right and left hemispheres?

<p>Longitudinal fissure (B)</p> Signup and view all the answers

Flashcards

Cerebral cortex location

The outer layer of the cerebrum, associated with higher-level brain functions.

Longitudinal fissure

The deep groove that separates the left and right hemispheres of the cerebrum.

Central sulcus

Divides the frontal lobe from the parietal lobe.

Lateral cerebral sulcus

Separates the frontal lobe from the temporal lobe.

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Gyri

Folded or raised portions of the cerebral cortex.

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Cerebellum location, relative to cerebrum

Located below the cerebrum, separated by the transverse fissure.

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Gyri function

Increase the surface area of the cortex, allowing for more complex functions.

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Occipital lobe location relative to others

Located towards the back of the brain, and separated from the frontal lobe by the lateral sulcus.

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Gyri vs. Sulci

Gyri are raised areas; sulci are grooves in the cerebral cortex.

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Longitudinal fissure function

Dividing the two hemispheres of the cerebrum.

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Study Notes

The Cerebrum

  • The cerebrum, often referred to as the "seat of intelligence", is the largest part of the brain.
  • The longitudinal fissure divides the cerebrum into right and left hemispheres.
  • The central sulcus divides the frontal lobe from the parietal lobe.
  • The lateral cerebral sulcus separates the frontal lobe from the temporal lobe.
  • The cerebral cortex, the outer layer of the cerebrum, has folds called gyri which increase the surface area of the brain.
  • The transverse fissure separates the cerebrum from the cerebellum.
  • Sulci are the grooves in the cerebral cortex, while gyri are the ridges.

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