RA (robust nucleus of the arcopallium)

E179476

RA (robust nucleus of the arcopallium) is a premotor song-control nucleus in the songbird brain that plays a key role in generating and learning vocalizations, particularly studied in species like the zebra finch.

All labels observed (1)

Label Occurrences
RA (robust nucleus of the arcopallium) canonical 2

How this entity was disambiguated

Statements (45)

Predicate Object
instanceOf brain nucleus
premotor nucleus
song-control nucleus
activityCorrelatesWith moment-to-moment acoustic structure of song
syllable onset and offset
contains topographic representation of syringeal muscles
developmentallyRegulatedBy sex steroids
exhibits precise temporal coding of song elements
song-locked firing patterns
hasCellType GABAergic interneurons
projection neurons
hasFunction coordinates vocal and respiratory activity
drives syringeal muscles
transforms premotor song patterns into motor commands
homologousTo parts of mammalian premotor cortex (putative functional homology)
involvedIn adult song maintenance
development of stereotyped song
sensorimotor integration for song
song variability during learning
isKeyStructureIn neural circuitry of vocal learning
isTargetOf anterior forebrain pathway via LMAN
lesionEffect disruption of learned song production
impairment of song learning in juveniles
locatedIn arcopallium
songbird brain
partOf songbird song-control system
vocal motor pathway
playsRoleIn control of song acoustics
song learning
song production
timing of song syllables
vocal motor control
projectsTo brainstem respiratory nuclei
nucleus ambiguus (songbird homolog in brainstem vocal-respiratory centers)
tracheosyringeal part of the hypoglossal nucleus (nXIIts)
receivesInputFrom HVC
surface form: HVC (proper name)

interfacial nucleus of the nidopallium (NIf) indirectly via HVC
lateral magnocellular nucleus of the anterior nidopallium (LMAN)
shows sexually dimorphic size in some songbird species
studiedInSpecies zebra finch (Taeniopygia guttata)
surface form: bengalese finch

canary
white-crowned sparrow
zebra finch (Taeniopygia guttata)
usedAsModelIn research on motor sequence generation
research on neural basis of learned vocal communication

How these facts were elicited

Referenced by (2)

Full triples — surface form annotated when it differs from this entity's canonical label.

zebra finch (Taeniopygia guttata) brainRegionStudied RA (robust nucleus of the arcopallium)
subject surface form: zebra finch
HVC projectsTo RA (robust nucleus of the arcopallium)