Question at position 15 What is the name of the large bundle of axons that connects the two halves of the brain?angular gyrusbasal gangliacingulate gyruscorpus callosum单项选择题
A
angular gyrus
B
basal ganglia
C
cingulate gyrus
D
corpus callosum

Question

Question at position 15 What is the name of the large bundle of axons that connects the two halves of the brain?angular gyrusbasal gangliacingulate gyruscorpus callosum

BlackTom AI · Accepted Answer

The prompt presents a question asking for the name of the large bundle of axons that connects the two halves of the brain, along with four answer options.
Option 1: angular gyrus. The angular gyrus is a region in the parietal lobe involved in language, number processing, and spatial cognition, not a major commisural bundle connecting hemispheres. It does not serve as the bridge between the two cerebral hemispheres.
Option 2: basal ganglia. The basal ganglia are a group of subcortical nuclei involved in motor control and learning, among other functions. They are not the large tract that links the two hemispheres; they operate within each hemisphere and modulate movement, not create cross-hemispheric connectivity.
Option 3: cingulate gyrus. The cingulate gyrus runs above the corpus callosum and is part of the limbic system, playing roles in emotion and attention. While it is a recognizable structure, it is not the major white-matter bundle that connects both hemispheres.
Option 4: corpus callosum. The corpus callosum is the broad band of nerve fibers that forms the primary large-scale pathway bridging the left and right cerebral hemispheres, allowing interhemispheric communication. This structure is specifically described as the large bundle of axons that connects the two halves of the brain.
Thus, when evaluating the options, the first three describe cortical regions or subcortical structures with distinct local functions, whereas the fourth corresponds to the major commissural tract responsible for interhemispheric connectivity. In light of this, the described role aligns with the corpus callosum as the connecting bundle between hemispheres.

Question at position 15 What is the name of the large bundle of axons that connects the two halves of the brain?angular gyrusbasal gangliacingulate gyruscorpus callosum单项选择题

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