Cited by 38Neurobiology and Insect Physiology ResearchNeuroscience and Neuropharmacology ResearchMemory and Neural Mechanisms

Interactions between two antagonistic reflexes in the nematode Caenorhabditis elegans

Rankin, CatharineH.·1991·Journal of Comparative Physiology A

Abstract

1. Antagonistic reflexes that use the same final common path cannot be activated simultaneously; as a consequence one reflex often inhibits the expression of the other. Results of experiments with two antagonistic reflexes in Caenorhabditis elegans showed that the reflex inhibition in this simple animal is the same as in more complex organisms. Thus C. elegans can serve as a model system for studying the neural mechanisms underlying these behavioral patterns. 2. In adult C. elegans tail-touch normally elicits forward movement, while tap normally elicits backward movement. When tail-touch is delivered 1 s before a tap, reversals to the tap are inhibited and the magnitude of any reversal that does occur is reduced. 3. The relative magnitude of the 2 stimuli, tail-touch and tap, affects the amount of inhibition observed. 4. The effectiveness of tail-touch as an inhibitory stimulus can be varied as a result of experience. Habituating the response to tail-touch decreased the inhibition of reversal to tap following a tail-touch. 4. The tail-touch induced inhibition of reversal to tap diminishes over an interval of at least 10 s; however, following the inhibition an enhancement of responding to tap is seen. 6. Inhibition of reversal to tap is present in worms of all stages of development including newly hatched worms.

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Crossref · 10.1007/bf00198173

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22 of 22 references verified0 citation errors · 0 not checkable

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  • The C. elegans avoidance response consists of two main reflexes: forward and backward progression.

    “Its avoidance response consists of two main reflexes: forward and backward progression7.”

    From Corollary discharge across the animal kingdom (2008) · cites this paper as [7]

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Authors
Rankin, C.
Venue
Journal of Comparative Physiology A
Published
1991-07
Volume
169
Issue
1
Pages
59-67
ISSN
  • 0340-7594 (ISSN-L)
  • 1432-1351
OpenAlex
W2035424459
Cited by
38
References
22
Citations by year
2024: 1 · 2020: 1 · 2019: 2 · 2018: 2 · 2017: 2 · 2016: 1 · 2014: 3
FWCI
0.26
Type
journal article
Language
en
Open access
closed
Locations
  • Journal of Comparative Physiology A (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neurobiology and Insect Physiology Research
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neuroscience and Neuropharmacology Research
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Memory and Neural Mechanisms
Keywords
reflex inhibition, Caenorhabditis elegans, reversal behavior, final common pathway, habituation, stimulus intensity, developmental stages
MeSH terms
Animals, Behavior, Animal, Caenorhabditis, Habituation, Psychophysiologic, Physical Stimulation, Reflex

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