Neuronal plasticity in the adult invertebrate nervous system
- 1 July 1989
- journal article
- review article
- Published by Wiley in Journal of Neurobiology
- Vol. 20 (5) , 295-311
- https://doi.org/10.1002/neu.480200504
Abstract
This essay provides a brief overview of neuronal plasticity in adult invertebrate nervous systems. Our discussion focuses on the factors which influence sprouting by adult neurons, i.e., (1) the nature of the neuron itself, (2) axon integrity, (3) the presence of targets, (4) diffusible factors, and (5) ageing. Evidence that the neurites of some adult neurons exhibit a dynamic equilibrium of expansion and retraction is presented, a topic which prompted us to speculate on the significance of such plasticity in altered behavioral states. We conclude with some suggestions as to specific questions that need to be addressed by future studies in this challenging area.Keywords
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