Shared developmental and evolutionary origins for neural basis of vocal-acoustic and pectoral-gestural signaling.

ABSTRACT: Acoustic signaling behaviors are widespread among bony vertebrates, which include the majority of living fishes and tetrapods. Developmental studies in sound-producing fishes and tetrapods indicate that central pattern generating networks dedicated to vocalization originate from the same caudal hindbrain rhombomere (rh) 8-spinal compartment. Together, the evidence suggests that vocalization and its morphophysiological basis, including mechanisms of vocal-respiratory coupling that are widespread among tetrapods, are ancestral characters for bony vertebrates. Premotor-motor circuitry for pectoral appendages that function in locomotion and acoustic signaling develops in the same rh8-spinal compartment. Hence, vocal and pectoral phenotypes in fishes share both developmental origins and roles i

SUBMITTER: Bass AH 

PROVIDER: S-EPMC3386879 | biostudies-literature | 2012 Jun

REPOSITORIES: biostudies-literature