Broca's area
E38076
Broca's area is a region in the frontal lobe of the dominant hemisphere of the brain that is crucial for speech production and language processing.
Observed surface forms (6)
| Surface form | Occurrences |
|---|---|
| Broca area | 1 |
| Brodmann area 44 | 1 |
| Brodmann area 45 | 1 |
| inferior frontal gyrus | 1 |
| pars opercularis of inferior frontal gyrus | 1 |
| pars triangularis of inferior frontal gyrus | 1 |
Statements (60)
| Predicate | Object |
|---|---|
| instanceOf |
brain region
ⓘ
cortical area ⓘ language-related brain region ⓘ |
| associatedWithFunction |
articulation planning
ⓘ
complex sentence comprehension ⓘ grammar processing ⓘ inner speech ⓘ language processing ⓘ language production ⓘ morphological processing ⓘ phonological processing ⓘ speech motor planning ⓘ speech production ⓘ syntactic processing ⓘ verbal working memory ⓘ |
| bloodSupply |
middle cerebral artery
ⓘ
superior division of middle cerebral artery ⓘ |
| connectedBy | arcuate fasciculus ⓘ |
| connectedTo |
Wernicke area
ⓘ
surface form:
Wernicke's area
auditory cortex ⓘ basal ganglia ⓘ premotor cortex ⓘ primary motor cortex ⓘ supplementary motor area ⓘ thalamus ⓘ |
| discoveredBy | Paul Broca ⓘ |
| hasSubregion |
Broca's area
self-linksurface differs
ⓘ
surface form:
Brodmann area 44
Broca's area self-linksurface differs ⓘ
surface form:
Brodmann area 45
|
| hemisphereDominance | left hemisphere for language in most individuals ⓘ |
| involvedIn |
language production planning
ⓘ
language-related cognitive control ⓘ processing of hierarchical syntax ⓘ sequencing of speech movements ⓘ speech initiation ⓘ verbal fluency tasks ⓘ word retrieval ⓘ |
| lesionAssociatedWithSymptom |
agrammatism
ⓘ
anomia ⓘ effortful speech ⓘ impaired repetition ⓘ nonfluent speech ⓘ relatively preserved comprehension ⓘ |
| lesionCauses |
Broca's aphasia
ⓘ
expressive aphasia ⓘ |
| locatedIn |
cerebral cortex
ⓘ
dominant cerebral hemisphere ⓘ frontal lobe ⓘ Broca's area self-linksurface differs ⓘ
surface form:
inferior frontal gyrus
left hemisphere in most people ⓘ left hemisphere in most right-handed individuals ⓘ |
| namedAfter | Paul Broca ⓘ |
| overlapsWith |
Broca's area
self-linksurface differs
ⓘ
surface form:
pars opercularis of inferior frontal gyrus
Broca's area self-linksurface differs ⓘ
surface form:
pars triangularis of inferior frontal gyrus
|
| partOf |
dominant hemisphere language network
ⓘ
frontal lobe language network ⓘ perisylvian language network ⓘ |
| studiedUsing |
PET imaging
ⓘ
functional MRI ⓘ lesion studies ⓘ transcranial magnetic stimulation ⓘ |
Referenced by (10)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Brodmann area 44
this entity surface form:
Brodmann area 45
this entity surface form:
Broca area
this entity surface form:
inferior frontal gyrus
this entity surface form:
pars opercularis of inferior frontal gyrus
this entity surface form:
pars triangularis of inferior frontal gyrus