Which brain surface feature forms a valley or groove?

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Prepare for the Clinical Neuropsychology Test with flashcards and multiple choice questions. Each question includes hints and explanations. Master the essentials and excel on your exam!

Multiple Choice

Which brain surface feature forms a valley or groove?

Explanation:
The concept here is distinguishing brain surface landmarks. A sulcus is the shallow groove or valley that sits between gyri on the cerebral cortex, giving the brain its folded appearance. A gyrus, by contrast, is the raised ridge between grooves. A fissure is a deeper cleft that separates larger regions, such as the longitudinal fissure between hemispheres. The cortex refers to the entire outer layer of neural tissue, not a specific groove. So the feature that forms a valley or groove on the brain surface is the sulcus.

The concept here is distinguishing brain surface landmarks. A sulcus is the shallow groove or valley that sits between gyri on the cerebral cortex, giving the brain its folded appearance. A gyrus, by contrast, is the raised ridge between grooves. A fissure is a deeper cleft that separates larger regions, such as the longitudinal fissure between hemispheres. The cortex refers to the entire outer layer of neural tissue, not a specific groove. So the feature that forms a valley or groove on the brain surface is the sulcus.

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