在急性前庭神经炎的空间数值偏差
Sally M Rosengren1,2, Benjamin Nham3, Jasmine Lim4
1Neurology Department, Royal Prince Alfred Hospital, Level 8, Missenden Rd, Camperdown, NSW, 2050, Australia. sally@srosengren.org.
Journal of neurology
|December 16, 2024
概括
急性前庭损失暂时偏向数值处理,将心理数量直线移向左或右. 这种在前庭神经炎 (VN) 患者中观察到的效应在没有视觉线索的情况下更为明显,并且随着时间的推移而消失.
科学领域:
- 神经科学是一个神经科学.
- 认知心理学 认知心理学
- 空间认知 空间认知
背景情况:
- 心理数字直线在空间上表示数字大小,左边的数字较小,右边的数字较大.
- 垂体功能障碍影响空间认知,引发了对其对数值表示的影响的问题.
研究的目的:
- 为了调查前庭神经炎 (VN) 患者的急性前庭神经损失是否会导致精神数线表示的方向偏差.
- 确定这种偏差是否与前庭损伤的一侧相关 (左侧与右侧VN).
主要方法:
- 对18名急性前庭神经炎 (VN) 患者和15名健康对照人进行了心理数量分割任务.
- 参与者估计了两个数字之间的中点,并根据VN的侧面和视觉固定条件分析了性能.
主要成果:
- 左侧VN患者表现出左侧偏差 (低估),而右侧VN患者表现出右侧偏差 (高估).
- 偏差的大小和方向与前置性阴囊的缓慢相速相关.
- 偏差在急性阶段和没有视觉固定时更为显著,在1-2周内减少.
结论:
- 急性前庭损失导致数字处理中的短暂,定向偏差,取决于视觉输入.
- 这一发现表明前庭功能,空间认知和心理数轴之间存在联系,类似于视觉空间忽视模式.
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