Cited by 120Neurobiology and Insect Physiology ResearchMemory and Neural MechanismsMemory Processes and Influences

Learning Performance of Normal and Mutant Drosophila after Repeated Conditioning Trials with Discrete Stimuli

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Beck, C. D. O., Schroeder, Bradley, Davis, Ronald L.·2000·The Journal of Neuroscience

Abstract

A new olfactory conditioning procedure is described using short training trials with discrete presentation of conditioned stimuli (CS) and unconditioned stimuli (US). A short odor presentation along with a single-shock stimulus produced modest but reliable and reproducible learning. Multiple trials presented sequentially improved performance with increasing trial number. Trial spacing had a significant impact on performance. Two trials presented with a short intertrial interval (ITI) produced no improvement over a single trial; two trials with a 15 min ITI significantly boosted performance. This effect required two associative trials, because substituting one of the trials with the CS alone, US alone, or an unpaired CS–US failed to boost performance. The increase in initial performance with two trials decayed within 15 min after training. Thus, the effect is short-lived. The utility of using a battery of tests, including a single short trial, two massed trials, and two spaced trials, to investigate parameters of memory formation in several mutants was demonstrated.

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Registry

Crossref · 10.1523/jneurosci.20-08-02944.2000

Cites

40 of 40 references verified0 citation errors · 0 not checkable

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  • Spaced training leads to improved memory in invertebrates such as Aplysia californica, Drosophila melanogaster and bees, and in rodents and non-human primates.

    “Spaced training also leads to improved memory in invertebrates, such as the mollusk Aplysia californica11–14, Drosophila melanogaster15,16 and bees17, and in rodents18,19 and non-human primates20,21.”
  • The spacing effect has been well demonstrated in Drosophila.

    “The spacing effect has been well demonstrated in Drosophila (Tully et al., 1994; Beck et al., 2000; Ho et al., 2007).”
  • In Drosophila, the spacing effect is well defined phenomenologically and used as a behavioral strategy to induce protein synthesis-dependent LTM.

    “In Drosophila, the spacing effect is well defined phenomenologically (Tully et al., 1994; Beck et al., 2000) and it is used as a behavioral strategy to induce protein synthesis-dependent LTM.”

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Authors
Beck, C. D. O., Schroeder, B., & Davis, R. L.
Affiliations
Baylor College of Medicine (US)
Venue
The Journal of Neuroscience
Published
2000-04-15
Volume
20
Issue
8
Pages
2944-2953
ISSN
  • 0270-6474 (ISSN-L)
  • 1529-2401
OpenAlex
W1603963294
Cited by
120
References
38
Citations by year
2026: 3 · 2025: 1 · 2024: 6 · 2023: 5 · 2022: 4 · 2021: 11 · 2020: 9 · 2019: 4 · 2018: 6 · 2017: 6 · 2016: 8 · 2015: 6 · 2014: 2 · 2013: 4 · 2012: 6
FWCI
0.90
Type
journal article
Language
en
Open access
Locations
  • Journal of Neuroscience (publishedVersion, cc-by-nc-sa)
  • PubMed Central (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • National Institutes of Health
  • National Institute of Neurological Disorders and Stroke (R01NS019904, NS-19904, R37NS019904)
Topics
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neurobiology and Insect Physiology Research
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Memory and Neural Mechanisms
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Memory Processes and Influences
Keywords
olfactory conditioning, Drosophila, associative learning, intertrial interval, memory formation, learning performance, mutant analysis
MeSH terms
Alleles, Animals, Conditioning, Operant, Drosophila, Electric Stimulation, Learning, Memory, Mutation, Phenotype, Smell, Time Factors

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