Multiple Choice
Which of the following actions does the central nervous system play a role in?
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12. The Central Nervous System
Introduction to the Central Nervous System
Multiple Choice
Neil says that all cortical areas of the brain are found around the outer edge (or surface) of the brain. Is he correct?
A
No; all cortical areas are found in the central area of the brain.
B
No; some cortical areas are found around the outer edges and some are found in the center of the brain.
C
Yes; the cortex is the brain's outermost layer, composed of gray matter.
Verified step by step guidance1
Understand the term 'cortex': In anatomy, the cortex refers to the outermost layer of an organ. In the brain, the cerebral cortex is the outer layer of neural tissue.
Identify the composition of the cerebral cortex: The cerebral cortex is primarily composed of gray matter, which consists of neuronal cell bodies, dendrites, and unmyelinated axons.
Locate the cerebral cortex: The cerebral cortex is located on the surface of the brain, covering the cerebrum. It is responsible for many higher-order brain functions, including sensation, perception, memory, and decision-making.
Differentiate between cortical and subcortical areas: Cortical areas are located on the surface of the brain, while subcortical areas are found deeper within the brain. The cortex is specifically the outermost layer.
Conclude based on the information: Since the cortex is the brain's outermost layer, Neil is correct in saying that all cortical areas are found around the outer edge or surface of the brain.
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