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Related Experiment Video

Updated: Jul 12, 2026

Transcorporal Artificial Urinary Sphincter Cuff Placement in a Case Requiring Revision for Urethral Atrophy

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Erratum

Science (New York, N.Y.)

|August 1, 1980

Summary

Associative learning in Hermissenda involves changes in type B photoreceptors. This study links behavioral modification to specific cellular alterations in these light-sensitive cells.

Area of Science:

Neuroscience
Behavioral Biology
Cellular Biology

Background:

The marine mollusk Hermissenda exhibits associative learning.
Phototaxis, a response to light, is a key behavior studied in Hermissenda.
Previous research suggested cellular changes underlie behavioral modifications.

Purpose of the Study:

To identify the specific cellular correlates of associative behavioral modification in Hermissenda.
To investigate the role of photoreceptors in learned responses to light.

Main Methods:

Behavioral experiments were conducted on Hermissenda to assess photopositive responses.
Cellular analysis focused on identifying changes in photoreceptor types.
Correlation analysis was performed between behavioral modification and cellular alterations.

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Transcorporal Artificial Urinary Sphincter Cuff Placement in a Case Requiring Revision for Urethral Atrophy

Transcorporal Artificial Urinary Sphincter Cuff Placement in a Case Requiring Revision for Urethral Atrophy

Published on: June 16, 2022

Main Results:

Modification of the photopositive response was observed in Hermissenda.
These behavioral changes were found to be correlated with cellular alterations.
Specific changes were identified in type B photoreceptors.

Conclusions:

Cellular changes in type B photoreceptors are directly correlated with associative learning in Hermissenda.
This finding provides a cellular basis for associative behavioral modification in this model organism.
Type B photoreceptors are critical components in the neural circuitry of learned behaviors.