Someone who drew these pictures likely has what condition?

Question

BlackTom AI · Accepted Answer

The prompt asks us to infer the most likely neurologic condition from the set of drawings.
Option 1: Neglect caused by damage to bilateral parietal cortex. While parietal damage can produce neglect, neglect from bilateral damage is less typical than unilateral right-hemisphere damage, and the pictured neglect pattern is strongly lateralized to the left side of space and objects, which is more characteristic of right-hemisphere involvement.
Option 2: Retrograde amnesia caused by damage to the hippocampus. Retrograde amnesia involves inability to recall past events, not a failure to attend to or reproduce the left side of objects or sketches. The drawings shown do not suggest memory loss; they show spatial neglect features.
Option 3: Neglect caused by damage to the right parietal cortex. This matches the classic presentation: a patient ignores the left side of space and of objects, leading to omitted or incomplete drawings on the left side (as seen in the figure). Right parietal damage is well-known to produce contralateral (left-sided) neglect.
Option 4: Visual agnosia caused by damage to the dorsal stream. Visual (perceptual) agnosias relate to recognizing objects, not to neglect of the left side of space in drawing. Dorsal stream damage would more likely impair visuomotor coordination or action guidance rather than cause systematic omission of leftward elements.
Option 5: Visual agnosia caused by damage to the ventral stream. Ventral stream issues produce deficits in object recognition (visual agnosia), not the spatial neglect pattern shown here, which is about failing to perceive or attend to left-side space rather than recognizing objects.
In summary, the left-side omissions and skewed drawings strongly point to spatial neglect due to right parietal cortex damage, aligning with Option 3 as the most accurate description.

PSYCH 3513 SP2025 (28803) Midterm 2

Someone who drew these pictures likely has what condition?

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