Textbook Question
Describe the relationship among first-order, second-order, and third-order neurons in a sensory pathway.
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12. The Central Nervous System
Introduction to the Central Nervous System
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Which of the following is a structure of the midbrain?
A
Cerebral peduncles
B
Thalamus
C
Medulla oblongata
D
Cerebellum
Verified step by step guidance1
Begin by identifying the location and function of the midbrain within the brain structure. The midbrain is part of the brainstem and is located between the forebrain and the hindbrain.
Understand the role of the midbrain. It is involved in functions such as vision, hearing, motor control, sleep/wake cycles, arousal, and temperature regulation.
Review the structures associated with the midbrain. The midbrain includes the cerebral peduncles, which are bundles of axons that connect the forebrain with the hindbrain and are involved in motor control.
Differentiate between the structures listed in the problem. The thalamus is part of the forebrain, the medulla oblongata is part of the hindbrain, and the cerebellum is also part of the hindbrain.
Conclude that the cerebral peduncles are the correct structure associated with the midbrain, as they are integral to its function and location.
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