Secondary eyes mediate the response to looming objects in jumping spiders (
            Phidippus audax
            , Salticidae)

Lauren Spano; Skye M. Long; Elizabeth M. Jakob

doi:10.1098/rsbl.2012.0716

journal article Oct 17, 2012

Secondary eyes mediate the response to looming objects in jumping spiders ( Phidippus audax , Salticidae)

Lauren Spano Skye M. Long Elizabeth M. Jakob

Biology Letters Vol. 8 No. 6 pp. 949-951 · The Royal Society

View at Publisher Save 10.1098/rsbl.2012.0716

Abstract

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.

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Cited By

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A phylogenetic classification of jumping spiders (Araneae: Salticidae)

Wayne P. Maddison · 2015

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Yinnon Dolev, Ximena J. Nelson · 2014

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Metrics

28

Citations

22

References

Details

Published: Oct 17, 2012
Vol/Issue: 8(6)
Pages: 949-951
License: View

Authors

L

Lauren Spano

Department of Psychology, University of Massachusetts Amherst, Tobin Hall, Amherst, MA 01003, USA

S

Skye M. Long

Graduate Program in Organismic and Evolutionary Biology, University of Massachusetts Amherst, Tobin Hall, Amherst, MA 01003, USA

E

Elizabeth M. Jakob

Department of Psychology, University of Massachusetts Amherst, Tobin Hall, Amherst, MA 01003, USA

Cite This Article

Lauren Spano, Skye M. Long, Elizabeth M. Jakob (2012). Secondary eyes mediate the response to looming objects in jumping spiders ( Phidippus audax , Salticidae). Biology Letters, 8(6), 949-951. https://doi.org/10.1098/rsbl.2012.0716

Secondary eyes mediate the response to looming objects in jumping spiders ( Phidippus audax , Salticidae)

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