The evolution of neuronal circuits underlying species-specific behavior
- 1 October 1999
- journal article
- review article
- Published by Elsevier BV in Current Opinion in Neurobiology
- Vol. 9 (5), 628-633
- https://doi.org/10.1016/s0959-4388(99)00012-4
Abstract
The nervous system is evolutionarily conservative compared to the peripheral appendages that it controls. However, species-specific behaviors may have arisen from very small changes in neuronal circuits. In particular, changes in neuromodulatory systems may allow multifunctional circuits to produce different sets of behaviors in closely related species. Recently, it was demonstrated that even species differences in complex social behavior may be attributed to a change in the promoter region of a single gene regulating a neuromodulatory action.Keywords
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