在乌中,意志空间注意力是横向的
Linus Hahner1, Andreas Nieder1
1Animal Physiology Unit, Institute of Neurobiology, University of Tübingen, Auf der Morgenstelle 28, Tübingen 72076, Germany.
Proceedings. Biological sciences
|January 29, 2025
概括
当使用左眼时,子乌表现出更强烈的意志注意力,这表明右脑半球的执行控制能力得到了增强. 这一发现揭示了鸟类的注意力侧向化,类似于人类.
科学领域:
- 神经科学是一个神经科学.
- 动物行为 动物行为
- 认知科学 认知科学
背景情况:
- 鸟类和人类一样,表现出与大脑半球专业化相关的行为不对称性.
- 感觉和运动功能的侧面化在鸟类中是已知的,但执行控制的侧面化,如意志注意力,尚未被探索.
研究的目的:
- 为了调查尸体乌是否在意志 (内生) 注意中表现出横向化.
- 为了确定注意力是否偏向于特定的视野或乌的眼睛.
主要方法:
- 四只被训练成像波斯纳一样的空间标记任务.
- 用单眼视觉 (左眼或右眼) 测量对左眼或右眼视觉半场中呈现的指令目标的反应时间来评估意志注意力.
- 分析了有效和无效线索之间的反应时间差异,以量化注意力效率.
主要成果:
- 与右侧相比,乌在左侧视觉半球场中显示的目标的检测速度明显更快,更有效.
- 这种效应不管是用左眼还是用右眼观察,都被观察到,但在用左眼观察时更为明显.
结论:
- 子乌表现出意志注意力的横向化,在左视觉半球场的刺激方面表现更好.
- 这些发现表明,在乌中执行注意力控制方面,右半球具有优势,反映了在人类中看到的模式.
- 这项研究为非灵长类物种中高水平认知功能的侧向化提供了证据.
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