Comparative study of environmental factors influencing motor task learning and memory retention in sighted and blind crayfish

Sonya M. Bierbower, Zhanna P. Shuranova, Kert Viele, Robin L. Cooper

Research output: Contribution to journalArticlepeer-review

10 Scopus citations

Abstract

In classical conditioning, an alteration in response occurs when two stimuli are regularly paired in close succession. An area of particular research interest is classical conditioning with a chemical signal and visual and/or tactile stimuli as the unconditional stimuli, to test manipulative and motor behaviors in a learning paradigm. A classical learning task chamber was developed to examine learning trends in a sighted surface-dwelling crayfish, Procambarus clarkii, and in a blind cave-dwelling crayfish, Orconectes australis packardi. We examined whether learning is influenced by environmental factors and/or reliance on different primary sensory modalities. Crayfish were trained to manipulate a large, cumbersome cheliped through a small access point to obtain a food reward. In both species, acquisition of the learning task was rapid when they were in nonstressed conditions. The blind crayfish tested in low white light did not successfully complete the task, suggesting a stress response.

Original languageEnglish
Pages (from-to)4-13
Number of pages10
JournalBrain and Behavior
Volume3
Issue number1
DOIs
StatePublished - Jan 2013

Keywords

  • Cardiac
  • Central nervous system
  • Crustaceans
  • Instrumental
  • Respiratory

ASJC Scopus subject areas

  • Behavioral Neuroscience

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