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Gaze stabilization in mantis shrimp in response to angled stimuli

Research output: Contribution to journalArticle

Original languageEnglish
Pages (from-to)515-527
Number of pages13
JournalJournal of Comparative Physiology A: Neuroethology, Sensory, Neural, and Behavioral Physiology
Volume205
Issue number4
Early online date16 May 2019
DOIs
DateAccepted/In press - 4 May 2019
DateE-pub ahead of print - 16 May 2019
DatePublished (current) - 1 Aug 2019

Abstract

Gaze stabilization is a fundamental aspect of vision and almost all animals shift their eyes to compensate for any self-movement relative to the external environment. When it comes to mantis shrimp however, the situation becomes complicated due to the complexity of their visual system and their range of eye movements. The stalked eyes of mantis shrimp can independently move left and right, and up and down, whilst simultaneously rotating about the axis of the eyestalks. Despite the large range of rotational freedom, mantis shrimp nevertheless show a stereotypical gaze stabilization response to horizontal motion of a wide-field, high-contrast stimulus. This response is often accompanied by pitch (up-down) and torsion (about the of the eye-stalk) rotations which, surprisingly, have no effect on the performance of yaw (side-to-side) gaze stabilization. This unusual feature of mantis shrimp vision suggests that their neural circuitry for detecting motion is radially symmetric and immune to the confounding effects of torsional self-motion. In this work, we reinforce this finding, demonstrating that the yaw gaze stabilization response of the mantis shrimp is robust to the ambiguous motion cues arising from the motion of striped visual gratings in which the angle of a grating is offset from its direction of travel.

    Research areas

  • Eye movements, Gaze stabilisation, Motion detection, Optokinesis, Stomatopod

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    Rights statement: This is the final published version of the article (version of record). It first appeared online via Springer at https://link.springer.com/article/10.1007%2Fs00359-019-01341-5 . Please refer to any applicable terms of use of the publisher.

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