The Yerkes-Dodson law and appropriate stimuli for conditioned taste aversion in Lymnaea

Etsuro Ito, Miki Yamagishi, Satoshi Takigami, Manabu Sakakibara, Yutaka Fujito, Ken Lukowiak

Research output: Contribution to journalArticle

19 Citations (Scopus)

Abstract

The pond snail Lymnaea stagnalis can learn conditioned taste aversion and then consolidate it into long-term memory (LTM). A high-voltage electric shock was used as the unconditioned stimulus, where we have previously used KCl. We varied the strength of both the conditioned and unconditioned stimuli to determine whether the so-called Yerkes-Dodson law prevailed. This is an empirical relationship between the state of arousal and LTM formation, showing that there is an optimal level of arousal leading to memory formation. However, too little or too much arousal results in poorer LTM. We found here that the most appropriate stimuli to use in taste aversion training in Lymnaea were a 10 mmol l-1 sucrose solution as the conditioned stimulus and a 3 s electric shock as the unconditioned stimulus.

Original languageEnglish
Pages (from-to)336-339
Number of pages4
JournalJournal of Experimental Biology
Volume218
Issue number3
DOIs
Publication statusPublished - 2015 Feb 1
Externally publishedYes

Fingerprint

Lymnaea
Long-Term Memory
Arousal
Shock
Snails
Lymnaea stagnalis
Sucrose
sucrose
snail
snails
pond

Keywords

  • Conditioned taste aversion
  • Electric shock
  • Lymnaea
  • Yerkes-Dodson law

ASJC Scopus subject areas

  • Animal Science and Zoology
  • Ecology, Evolution, Behavior and Systematics
  • Molecular Biology
  • Physiology
  • Insect Science
  • Aquatic Science
  • Medicine(all)

Cite this

The Yerkes-Dodson law and appropriate stimuli for conditioned taste aversion in Lymnaea. / Ito, Etsuro; Yamagishi, Miki; Takigami, Satoshi; Sakakibara, Manabu; Fujito, Yutaka; Lukowiak, Ken.

In: Journal of Experimental Biology, Vol. 218, No. 3, 01.02.2015, p. 336-339.

Research output: Contribution to journalArticle

Ito, E, Yamagishi, M, Takigami, S, Sakakibara, M, Fujito, Y & Lukowiak, K 2015, 'The Yerkes-Dodson law and appropriate stimuli for conditioned taste aversion in Lymnaea', Journal of Experimental Biology, vol. 218, no. 3, pp. 336-339. https://doi.org/10.1242/jeb.113266
Ito, Etsuro ; Yamagishi, Miki ; Takigami, Satoshi ; Sakakibara, Manabu ; Fujito, Yutaka ; Lukowiak, Ken. / The Yerkes-Dodson law and appropriate stimuli for conditioned taste aversion in Lymnaea. In: Journal of Experimental Biology. 2015 ; Vol. 218, No. 3. pp. 336-339.
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