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Delayed plasticity of an instinct: Recognition and avoidance of 2 facing eyes by the jewel fish

Delayed plasticity of an instinct: Recognition and avoidance of 2 facing eyes by the jewel fish A model depicting 2 horizontally positioned black spots resembling facing eyes, as compared with models depicting other spot arrangements, elicits intense flight activity in young African jewel fish (Hemichromis bimaculatus) under 5 months of age and 7‐month‐old subadults reared apart from conspecifics with eyeless cave fish (Anoptichthys jordani). In contrast, subadults permitted to observe or interact fully with conspecifics during development exhibited attenuated discriminative flight activity. These findings suggest that visual experience with facing conspecifics, irrespective of physical contact, modifies the flight‐eliciting properties of the innate mechanism subserving eye‐schema recognition, but only during later maturation. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Developmental Psychobiology Wiley

Delayed plasticity of an instinct: Recognition and avoidance of 2 facing eyes by the jewel fish

Developmental Psychobiology , Volume 12 (4) – Jul 1, 1979

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References (36)

Publisher
Wiley
Copyright
Copyright © 1979 John Wiley & Sons, Inc.
ISSN
0012-1630
eISSN
1098-2302
DOI
10.1002/dev.420120408
pmid
456760
Publisher site
See Article on Publisher Site

Abstract

A model depicting 2 horizontally positioned black spots resembling facing eyes, as compared with models depicting other spot arrangements, elicits intense flight activity in young African jewel fish (Hemichromis bimaculatus) under 5 months of age and 7‐month‐old subadults reared apart from conspecifics with eyeless cave fish (Anoptichthys jordani). In contrast, subadults permitted to observe or interact fully with conspecifics during development exhibited attenuated discriminative flight activity. These findings suggest that visual experience with facing conspecifics, irrespective of physical contact, modifies the flight‐eliciting properties of the innate mechanism subserving eye‐schema recognition, but only during later maturation.

Journal

Developmental PsychobiologyWiley

Published: Jul 1, 1979

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