Which of the following statement concerning “Neglect” is correct?

Question

BlackTom AI · Accepted Answer

To assess the statements about Neglect, we need to connect the clinical syndrome with its typical neuroanatomical substrate and presentation.
Option 1: 'Neglect is associated with damage of the right parietal cortex.' This is a true statement clinically. Unilateral neglect most commonly results from damage to the right parietal lobe (often involving the temporoparietal junction) and leads to neglect of the left side of space, especially in the extrapersonal (far) space. 
Option 2: 'Neglect is caused by unilateral hemianopia, often on the right visual cortex.' This is incorrect. Unilateral hemianopia is a visual field loss, whereas neglect is an attentional syndrome that persists even when vision is restored or when the affected visual field is compensated; neglect is not a simple deficit of the visual field itself. 
Option 3: 'Neglect is caused by unilateral hemianopia, often on the left visual cortex.' This is also inaccurate for the same reason as Option 2: neglect is not explained by a primary visual field defect like hemianopia, and if anything, right hemisphere damage (not left) is more commonly linked to neglect. 
Option 4: 'Neglect is associated with damage of the left parietal cortex which is why patients ignore the left side of space.' This is false in two ways: first, neglect most classically arises from right-hemisphere damage; second, damage to the left parietal cortex would more typically produce neglect of the right side of space, not the left. 
In summary, the statement about the right parietal cortex aligns with the established understanding that right-sided parietal damage produces left-sided neglect, whereas the other options confuse neglect with primary visual deficits or misstate laterality and hemispheric involvement.

Which of the following statement concerning “Neglect” is correct?单项选择题

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