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首页> 美国卫生研究院文献>Biology Letters >Secondary eyes mediate the response to looming objects in jumping spiders (Phidippus audax Salticidae)
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Secondary eyes mediate the response to looming objects in jumping spiders (Phidippus audax Salticidae)

机译：次生眼球介导了对跳跃蜘蛛中隐隐约约物体的反应（Phidippus audaxSalticidae）

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摘要

Some species have sensory systems divided into subsystems with morphologically different sense organs that acquire different types of information within the same modality. Jumping spiders (family Salticidae) have eight eyes. Four eyes are directed anteriorly to view objects in front of the spider: a pair of principal eyes track targets with their movable retinae, while the immobile anterior lateral (AL) eyes have a larger field of view and lower resolution. To test whether the principal eyes, the AL eyes, or both together mediate the response to looming stimuli, we presented spiders with a video of a solid black circle that rapidly expanded (loomed) or contracted (receded). Control spiders and spiders with their principal eyes masked were significantly more likely to back away from the looming stimulus than were spiders with their AL eyes masked. Almost no individuals backed away from the receding stimulus. Our results show that the AL eyes alone mediate the loom response to objects anterior to the spider.
机译：一些物种的感觉系统分为子系统，这些子系统具有形态不同的感觉器官，这些器官在同一模态中获取不同类型的信息。跳跃蜘蛛（Salticidae科）有八只眼。四只眼睛指向前方，以观察蜘蛛前方的物体：一对主眼睛以可移动的视网膜跟踪目标，而固定的前外侧（AL）眼睛具有较大的视野和较低的分辨率。为了测试主眼，AL眼或两者是否介导了对迫在眉睫的刺激的反应，我们为蜘蛛提供了一个带有实心黑眼圈的视频，该视频快速扩张（隐约可见）或收缩（渐隐）。对照蜘蛛和主要眼睛都被遮盖的蜘蛛比AL眼睛被遮盖的蜘蛛更有可能摆脱迫在眉睫的刺激。几乎没有人退出后退的刺激计划。我们的结果表明，仅AL眼睛会调节织机对蜘蛛前方物体的响应。

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