单侧额叶眼区损伤后探索性垂直扫视的丧失。
Loss of exploratory vertical saccades after unilateral frontal eye field damage.
作者信息
Pflugshaupt Tobias, Nyffeler Thomas, von Wartburg Roman, Hess Christian W, Müri René M
机构信息
Perception and Eye Movement Laboratory, Departments of Neurology and Clinical Research, University Hospital Bern, Bern, 3010, Switzerland.
出版信息
BMJ Case Rep. 2009;2009. doi: 10.1136/bcr.08.2008.0687. Epub 2009 Feb 2.
Abstract
Despite their relevance for locomotion and social interaction in everyday situations, little is known about the cortical control of vertical saccades in humans. Results from microstimulation studies indicate that both frontal eye fields (FEFs) contribute to these eye movements. Here, we present a patient with a damaged right FEF, who hardly made vertical saccades during visual exploration. This finding suggests that, for the cortical control of exploratory vertical saccades, integrity of both FEFs is indeed important.
摘要
尽管垂直扫视在日常活动中的运动和社交互动方面具有相关性，但对于人类垂直扫视的皮质控制却知之甚少。微刺激研究结果表明，两个额叶眼区（FEFs）都对这些眼动有贡献。在此，我们报告一名右侧额叶眼区受损的患者，其在视觉探索过程中几乎不产生垂直扫视。这一发现表明，对于探索性垂直扫视的皮质控制而言，两个额叶眼区的完整性确实很重要。
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