Abstract
Two types of gill contraction in Aplysia were used to study the relation of peripheral and central pathways in controlling behavioral responses in a mollusk. A weak or moderate tactile stimulus to the mantle elicits gill contraction (gill-withdrawal reflex) as a component of a more extensive withdrawal response; a stimulus applied directly to the gill elicits a localized response of the gill pinnule (pinnule response). Central pathways through the abdominal ganglion are both necessary and sufficient for the gill-withdrawal reflex, and motor neuron L7 makes direct connections with gill muscles, without engaging the peripheral plexus. Peripheral pathways are necessary and sufficient for the pinnule response. As a result of the independence of peripheral and central pathways, habituation by repeated tactile stimulation of one pathway does not affect the responsiveness of the other pathway.
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Dates
Type | When |
---|---|
Created | 18 years, 11 months ago (Oct. 5, 2006, 9:17 a.m.) |
Deposited | 1 year, 7 months ago (Jan. 11, 2024, 10:50 a.m.) |
Indexed | 3 months, 2 weeks ago (May 20, 2025, 7:10 a.m.) |
Issued | 53 years, 8 months ago (Dec. 17, 1971) |
Published | 53 years, 8 months ago (Dec. 17, 1971) |
Published Print | 53 years, 8 months ago (Dec. 17, 1971) |
@article{Kupfermann_1971, title={Central and Peripheral Control of Gill Movements in Aplysia}, volume={174}, ISSN={1095-9203}, url={http://dx.doi.org/10.1126/science.174.4015.1252}, DOI={10.1126/science.174.4015.1252}, number={4015}, journal={Science}, publisher={American Association for the Advancement of Science (AAAS)}, author={Kupfermann, I. and Pinsker, H. and Castellucci, V. and Kandel, E. R.}, year={1971}, month=dec, pages={1252–1256} }