The Neuronal Circuit for Simple Forms of Learning in <i>Aplysia</i>

Robert D. Hawkins, Craig H. Bailey and Eric R. Kandel

in Handbook of Brain Microcircuits

Published on behalf of Oxford University Press

Published in print August 2010 | ISBN: 9780195389883
Published online September 2012 | e-ISBN: 9780199965137 | DOI:
The Neuronal Circuit for Simple Forms of Learning in Aplysia

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Simple forms of learning (habituation, dishabituation, sensitization, and classical conditioning) of the Aplysia gill- and siphon-withdrawal reflex are due in part to plasticity of monosynaptic connections from sensory neurons to motor neurons. In addition, a number of interneurons in the neural circuit for the reflex have been identified and characterized. A computational model based on molecular mechanisms of the plasticity and properties of the circuit can account for many behavioral features of learning of the reflex, including higher order features of conditioning that are thought to have a cognitive flavor. This chapter updates the molecular, cellular, and circuit information underlying the model, and suggests possible explanations for additional higher order features of the learning.

Chapter.  7170 words.  Illustrated.

Subjects: Development of the Nervous System

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