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Is Geomagnetic Sensitivity Real? Replication of the Walker-Bitterman Magnetic Conditioning Experiment in Honey Bees

Kirschvink, Joseph L. and Kirschvink, Atsuko Kobayashi (1991) Is Geomagnetic Sensitivity Real? Replication of the Walker-Bitterman Magnetic Conditioning Experiment in Honey Bees. American Zoologist, 31 (1). pp. 169-185. ISSN 0003-1569. https://resolver.caltech.edu/CaltechAUTHORS:20130130-100537642

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Abstract

Although the presence of geomagnetic sensitivity has been suspected for a long time in a variety of marine and terrestrial animals, many responses reported in the literature have been based on extensive statistical analysis of orientation results or rely on obscure behavioral activities (like cetacean strandings or honey bee waggle dances.) None of these reports have yet approached the level of clarity and simplicity displayed in experiments with the magnetotactic bacteria, which is the best example of geomagnetic sensitivity in any living organism. Furthermore, claims of magnetic effects on living organisms pervade the literature of biomagnetism, but many have failed subsequent attempts at replication. We need to develop simple and easily replicated experiments for marine and terrestrial animals which can be modified to answer basic questions concerning the psychophysics of any geomagnetic sensory system which might be present. In this paper, we report the first replication of the Walker-Bitterman magnetic anomaly conditioning experiment in honey bees, as well as one of our attempts to slightly alter their basic protocol. We also report our attempts to condition honey bees to magnetic direction in simple maze experiments, and the initial results of a pulse-remagnetization experiment designed to test the ferromagnetic transduction hypothesis. We conclude honey bees are sensitive to the geomagnetic field, that the signal processing for it is more complex than previously thought, and that a ferromagnetic transducer is compatible with all known behavioral data.


Item Type:Article
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http://www.jstor.org/stable/3883468PublisherUNSPECIFIED
Additional Information:© 1991 Oxford University Press. From the symposium on Recent Developments in the Study of Animal Migration presented at the annual meeting of the American Society of Zoologists, 27-30 December 1988, at San Francisco, California. We thank Drs. M. M. Walker and M. E. Bitterman for friendly advice on the replication of their conditioning experiment and for help in the design of mazes. We also thank Drs. M. M. Nesson and J. Phillips for critical reviews, and G. Carman for building the coil system used in the Caltech maze experiments. Supported by NSF grants EAR83-51370, EAR86-11512, BNS85-19425 (to MEB @ the University of Hawaii), NIH-BRSG RR07003, and equipment grants from the W. M. Keck and James Irvine Foundations. This is contribution No. 4736 from the Division of Geological and Planetary Sciences of the California Institute of Technology.
Funders:
Funding AgencyGrant Number
NSFEAR83-51370
NSFEAR86-11512
NSFBNS85-19425
NIH-BRSGRR07003
W. M. Keck FoundationUNSPECIFIED
James Irvine FoundationUNSPECIFIED
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Caltech Division of Geological and Planetary Sciences 4736
Issue or Number:1
Record Number:CaltechAUTHORS:20130130-100537642
Persistent URL:https://resolver.caltech.edu/CaltechAUTHORS:20130130-100537642
Official Citation:Joseph L. Kirschvink and Atsuko Kobayashi Kirschvink American Zoologist , Vol. 31, No. 1 (1991), pp. 169-185 Published by: Oxford University Press Article Stable URL: http://www.jstor.org/stable/3883468
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:36683
Collection:CaltechAUTHORS
Deposited By: Tony Diaz
Deposited On:30 Jan 2013 19:07
Last Modified:03 Oct 2019 04:40

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