Brodmann area 41
E766486
Brodmann area 41 is a primary auditory region of the cerebral cortex in the temporal lobe that plays a key role in the initial cortical processing of sound.
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
Brodmann area
ⓘ
cortical area ⓘ primary auditory cortex region ⓘ |
| alsoKnownAs |
A1 (auditory cortex)
NERFINISHED
ⓘ
primary auditory cortex NERFINISHED ⓘ |
| associatedWithProcess |
auditory scene analysis
ⓘ
early stages of auditory perception ⓘ sound feature extraction ⓘ |
| borderedBy |
Brodmann area 22
NERFINISHED
ⓘ
Brodmann area 42 NERFINISHED ⓘ |
| BrodmannAreaNumber | 41 ⓘ |
| BrodmannClassification | temporal region ⓘ |
| BrodmannMapYearDescribed | 1909 ⓘ |
| clinicalRelevance |
involved in central auditory processing disorders
ⓘ
lesions can cause cortical deafness ⓘ lesions can impair sound localization ⓘ |
| connectedTo |
Brodmann area 22
NERFINISHED
ⓘ
Brodmann area 42 NERFINISHED ⓘ secondary auditory cortex NERFINISHED ⓘ |
| cytoarchitectonicRegion | transverse temporal gyrus NERFINISHED ⓘ |
| cytoarchitectureFeature |
granular cortex
ⓘ
prominent pyramidal cells in layers III and V ⓘ well-developed internal granular layer (layer IV) ⓘ |
| foundInGyrus | Heschl gyrus NERFINISHED ⓘ |
| function |
initial cortical processing of sound
ⓘ
processing of basic acoustic features such as frequency and intensity ⓘ tonotopic representation of sound frequencies ⓘ |
| hasCytoarchitectonicType | koniocortex ⓘ |
| hasTonotopy | yes ⓘ |
| hemispherePresence |
left cerebral hemisphere
ⓘ
right cerebral hemisphere ⓘ |
| imagingActivation |
activated by complex sounds
ⓘ
activated by simple tones ⓘ |
| isSubdivisionOf | auditory cortex ⓘ |
| lateralityFunction |
left area 41 more involved in speech-related sounds
ⓘ
right area 41 more involved in spectral and music processing ⓘ |
| locatedIn |
human brain
ⓘ
lateral sulcus region ⓘ |
| namedAfter | Korbinian Brodmann NERFINISHED ⓘ |
| neurotransmitterSystems |
GABAergic interneurons
ⓘ
glutamatergic projection neurons ⓘ |
| partOf |
cerebral cortex
NERFINISHED
ⓘ
superior temporal gyrus NERFINISHED ⓘ temporal lobe NERFINISHED ⓘ |
| receivesInputFrom | medial geniculate nucleus of the thalamus ⓘ |
| sensoryModalityProcessed | auditory information ⓘ |
| species | primates ⓘ |
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.