If neuroscientists were surveyed, which brain region would they designate as the most acceptable to lose?
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Answer: D. A cubic centimeter of cortex because the damage would be less disabling
Explanation
The cerebral cortex features massive surface area and redundant networks compared to other neural areas. Localized cortical damage is often less immediately catastrophic than damage to vital subcortical centres. Neuroscientists recognize that redundancy in the cortex allows other regions to sometimes compensate for losses. The cerebral cortex handles higher cognitive functions, sensory processing, and voluntary motor control. Subcortical structures manage critical autonomic and regulatory functions necessary for immediate survival. The spinal cord acts as the primary pipeline transmitting all motor and sensory signals.
Neurosurgeons weigh functional redundancy when planning procedures involving cortical tissue removal. Patients frequently recover lost functions after localized cortical strokes due to neural plasticity. It highlights the hierarchical vulnerability of different central nervous system structures. Option A is incorrect because glial cells outnumber neurons and provide crucial metabolic support. Option B is wrong because subcortical structures regulate vital life support and emotional processing. Option C is incorrect because spinal cord damage results in immediate and severe paralysis below the lesion.
- Subject
- Psychology
- Category
- Psychology
- Topic
- —
- Difficulty
- medium
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