SMA
E764625
SMA is a region of the frontal lobe involved in planning and coordinating complex voluntary movements, especially those requiring sequences or both sides of the body.
Observed surface forms (1)
| Surface form | Occurrences |
|---|---|
| Supplementary motor area | 0 |
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
brain region
ⓘ
cortical area ⓘ |
| activationMeasuredBy |
PET imaging
ⓘ
functional MRI ⓘ |
| anatomicallyAdjacentTo |
premotor cortex
NERFINISHED
ⓘ
primary motor cortex NERFINISHED ⓘ |
| belongsTo | medial premotor network ⓘ |
| borderedAnteriorlyBy | pre-SMA NERFINISHED ⓘ |
| borderedPosteriorlyBy | primary motor cortex NERFINISHED ⓘ |
| extendsFrom | paracentral lobule NERFINISHED ⓘ |
| extendsTo | medial superior frontal gyrus ⓘ |
| hasAbbreviation | SMA NERFINISHED ⓘ |
| hasBrodmannAreaNumber | 6 ⓘ |
| hasFunction | planning and coordinating complex voluntary movements ⓘ |
| hasSubregion |
SMA proper
NERFINISHED
ⓘ
pre-SMA NERFINISHED ⓘ |
| hasSynonym | SMA NERFINISHED ⓘ |
| involvedIn |
bimanual coordination
ⓘ
coordination of complex movements ⓘ internally generated movements ⓘ motor imagery ⓘ motor preparation ⓘ planning of voluntary movements ⓘ sequencing of movements ⓘ temporal organization of movement sequences ⓘ |
| isPresentIn |
left hemisphere
ⓘ
right hemisphere ⓘ |
| lesionAssociatedWith |
akinesia
ⓘ
difficulty initiating movements ⓘ impaired bimanual coordination ⓘ speech initiation deficits ⓘ |
| locatedIn | frontal lobe ⓘ |
| locatedOn | medial surface of hemisphere ⓘ |
| partOf |
cerebral cortex
NERFINISHED
ⓘ
medial frontal cortex NERFINISHED ⓘ motor system ⓘ |
| playsRoleIn |
coordination of movements across body sides
ⓘ
motor learning ⓘ selection of motor programs ⓘ suppression of competing motor plans ⓘ |
| projectsTo |
primary motor cortex
NERFINISHED
ⓘ
spinal cord ⓘ |
| receivesInputFrom |
basal ganglia
ⓘ
prefrontal cortex NERFINISHED ⓘ thalamus ⓘ |
| studiedUsing |
electrical stimulation
ⓘ
transcranial magnetic stimulation ⓘ |
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.