Evolution and scaling of dendrites
Evolution and scaling of dendrites
Dendrites, the neuronal processes that receive synaptic inputs, are found in all nervous systems. The great diversity of dendrites, both within individual species and across phylogeny, reflects their adaptation to particular functional roles. This chapter uses this diversity to consider dendrites from an evolutionary perspective. It first describes some principles seen in the diversity of dendritic forms. It then seeks to explain this diversity in terms of tradeoffs among functional optimization constraints; mechanistic limits set by the available molecular toolkit; and developmental mechanisms, the targets upon which selection has acted. Finally, based on these perspectives, it identifies areas ripe for future investigation.
Keywords: neuronal processes, dendrites, synaptic inputs, nervous system, phylogeny, evolution
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