A miniaturized photocell assembly for monitoring heart rate in freely behaving Aplysia (Mollusca: Gastropoda)

Robert Feinstein; Wayne P. Aspey; Michael C. Schmale

doi:10.1016/S0091-6773(76)90648-9

A miniaturized photocell assembly for monitoring heart rate in freely behaving Aplysia (Mollusca: Gastropoda)

Robert Feinstein, Wayne P. Aspey, Michael C. Schmale

Research output: Contribution to journal › Article

3 Scopus citations

Abstract

A miniaturized photocell assembly consisting of an infrared light-emitting diode coupled with a phototransistor was developed for chronically monitoring heart rate in freely behaving Aplysia. The assembly was water proofed by encapsulation in epoxy, and embedded in Silastic to provide a flange for attachment to the animal. The assembly is sutured over the pericardium, and the leads from the photocell are connected to a specially designed amplifier with output to a pen writer. Independent measures of heart rate were obtained visually in A. brasiliana and by means of a "blood" pressure cannula in A. californica. Applications using the photocell assembly in Aplysia behavioral physiology include assessment and monitoring of heart rate (1) before, during, and following burrowing; (2) during periods of copulation and quiescence; (3) during egg-laying; and (4) during the bradycardial reflex.

Original language	English (US)
Pages (from-to)	271-278
Number of pages	8
Journal	Behavioral Biology
Volume	17
Issue number	2
DOIs	https://doi.org/10.1016/S0091-6773(76)90648-9
State	Published - Jun 1976
Externally published	Yes

ASJC Scopus subject areas

Environmental Science(all)
Earth and Planetary Sciences(all)

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Feinstein, R., Aspey, W. P., & Schmale, M. C. (1976). A miniaturized photocell assembly for monitoring heart rate in freely behaving Aplysia (Mollusca: Gastropoda). Behavioral Biology, 17(2), 271-278. https://doi.org/10.1016/S0091-6773(76)90648-9

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