Aspects of Lead Toxicity and Habituation in Hermissenda Learning

An examination was conducted on the effect of lead toxicity on the behavior and learning capabilities of the marine mollusk Hermissenda. The animals were trained with presentations of paired light and agitation. Initial responses of the animals to the stimuli were foot contraction and extension and...

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Bibliographic Details
Published in:The Biological bulletin (Lancaster) 1997-10, Vol.193 (2), p.263-264
Main Authors: Kuzirian, A. M., Epstein, H. T., Rafferty, N. S.
Format: Article
Language:English
Subjects:
Animal behavior
Animal cognition
Hazardous substances
Health aspects
Hermissenda
Lead
Lead (Metal)
Marine
Marine biology
Mollusks
Physiological aspects
Toxicity
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Summary:An examination was conducted on the effect of lead toxicity on the behavior and learning capabilities of the marine mollusk Hermissenda. The animals were trained with presentations of paired light and agitation. Initial responses of the animals to the stimuli were foot contraction and extension and no change in length. Animals exposed to lead contracted in response to agitation. These results suggested the central nervous system impairment of Hermissenda related to sensory input and signal processing, or both, rather than a physiological impairment.
ISSN:0006-3185
1939-8697
DOI:10.1086/BBLv193n2p263