Abstract:
: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.
journal_name
Curr Opin Neurobioljournal_title
Current opinion in neurobiologyauthors
Simonyan Kdoi
10.1016/j.conb.2014.05.006subject
Has Abstractpub_date
2014-10-01 00:00:00pages
15-21eissn
0959-4388issn
1873-6882pii
S0959-4388(14)00107-Xjournal_volume
28pub_type
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