Questions
ANSC20001_2025_SM1 Week 4 - test yourself
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The following table outlines some major structures of the central nervous system, their functions, and what region of the brain they are most closely associated with, if any. Complete the missing elements of the table. Structure Region of the Brain Function Parietal lobe [ Select ] Localizes the source of sensory input, perceiving its level of intensity, and houses the sensory homunculus [ Select ] Limbic system Processes sensory information and passes stimuli of interest from afferent neurons to the appropriate motor areas in the cerebral cortex [ Select ] Limbic system Suppresses antagonistic and unnecessary motor activity Hypothalamus [ Select ] Is a pivotal link between the autonomic nervous and endocrine systems and regulates homeostatic bodily functions
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Question restatement and options:
- Structure 1 (Parietal lobe): Region of the Brain [Select], Function: Localizes the source of sensory input, perceiving its level of intensity, and houses the sensory homunculus
- Structure 2: [Select], Region of the Brain: Limbic system, Function: Processes sensory information and passes stimuli of interest from afferent neurons to the appropriate motor areas in the cerebral cortex
- Structure 3: [Select], Region of the Brain: Limbic system, Function: Suppresses antagonistic and unnecessary motor activity
- Structure 4: Structure: Hypothalamus, Region of the Brain [Select], Function: Is a pivotal link between the autonomic nervous and endocrine systems and regulates homeostatic bodily functions
Answer options (regions): cerebral cortex, Thalamus, Basal nuclei, Limbic system
Option-by-option analysis:
- Option A: cerebral cortex
• For the Parietal lobe, the parietal lobe is part of the cerebral cortex, i.e., a cortical region. This aligns with the idea that the Parietal lobe contains the somatosensory cortex and the sensory homunculus. Using cerebral cortex here makes sense because the function described (localizing sensory input and perceiving intensity) is a cortical function, not a subcortical one. If we place cerebral cortex as the Region for the Parietal lobe, the description remains coherent.
• For other rows, using cerebral cortex as a region would generally imply a cortical association, but the corresponding structures would be mis......Login to view full explanationLog in for full answers
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