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Vertical neglect towards the lower space after bilateral parietal strokes - A case study
Noëlle Schwendinger1, Brigitte Charlotte Kaufmann2, Dario Cazzoli3
1Neurocenter, Luzerner Kantonsspital, University Teaching and Research Hospital, University of Lucerne, Lucerne, Switzerland; Department of Neurology, Inselspital, Bern University Hospital, University of Bern, Bern, Switzerland.
Summary
This case study reveals the parietal cortex
Area of Science:
- Neuroscience
- Cognitive Psychology
- Neurology
Background:
- Parietal cortex is known to influence horizontal visuo-spatial attention.
- Its role in vertical attention is less understood.
- Middle Cerebral Artery (MCA) strokes can affect parietal regions.
Observation:
- A patient experienced two strokes affecting the left and right parietal cortex.
- Initially, horizontal neglect occurred but resolved.
- Subsequently, significant vertical neglect for lower visual space emerged.
Findings:
- The patient exhibited pronounced vertical neglect, particularly for the lower visual field.
- Video-oculography confirmed visuo-spatial attentional deficits in the lower visual space.
- This suggests the parietal cortex governs attention in vertical dimensions.
Implications:
- Parietal cortex plays a crucial role in vertical visuo-spatial attention.
- Clinical assessments for neglect should include vertical spatial evaluation.
- Understanding vertical neglect can improve patient care and rehabilitation.
