The laryngeal motor cortex: Its organization and connectivity

Kristina Simonyan

Research output: Contribution to journalReview articlepeer-review

117 Scopus citations


Our ability to learn and control the motor aspects of complex laryngeal behaviors, such as speech and song, is modulated by the laryngeal motor cortex (LMC), which is situated in the area 4 of the primary motor cortex and establishes both direct and indirect connections with laryngeal motoneurons. In contrast, the LMC in monkeys is located in the area 6 of the premotor cortex, projects only indirectly to laryngeal motoneurons and its destruction has essentially no effect on production of species-specific calls. These differences in cytoarchitectonic location and connectivity may be a result of hominid evolution that led to the LMC shift from the phylogenetically 'old' to 'new' motor cortex in order to fulfill its paramount function, that is, voluntary motor control of human speech and song production.

Original languageEnglish
Pages (from-to)15-21
Number of pages7
JournalCurrent Opinion in Neurobiology
StatePublished - Oct 2014


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