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

Question

BlackTom AI · Accepted Answer

When evaluating statements about neglect, it’s important to recall the classic neuroanatomical pattern associated with unilateral spatial neglect.
Option 1: 'Neglect often occurs after damage of the right parietal cortex.' This is the standard finding: right-hemisphere parietal damage commonly produces left-sided neglect, due to the right hemisphere’s dominant role in spatial attention.
Option 2: 'Neglect often occurs after damage of the left visual cortex which is why patients ignore the right side of space.' While damage to the left hemisphere can cause deficits, neglect of the right side from left-sided damage is not the classic presentation; neglect is most consistently observed with right hemisphere injury. Also, neglect is not typically described as a consequence of damage to the left visual cortex specifically.
Option 3: 'Neglect often occurs after damage of the right visual cortex which is why patients ignore the left side of space.' Although right hemisphere vision and attention networks contribute to spatial awareness, neglect is not best explained by damage to the visual cortex alone; the parietal involvement is key. The sensory modality (visual cortex) is not the primary lesion site associated with typical neglect patterns.
Option 4: 'Neglect often occurs after damage of the left parietal cortex which is why patients ignore the left side of space.' Left parietal damage more commonly leads to neglect of the right side of space, if neglect occurs at all, and is less typical than right parietal damage causing left neglect. This makes this option incorrect relative to the canonical pattern.
In summary, the most accurate statement aligns with right parietal cortex injury producing left-sided neglect, while the other options misstate laterality, causative structure, or the underlying neural mechanism. The core distinction rests on the robust association between right parietal damage and left-space neglect versus the less typical patterns described in the other choices.

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

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