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.

All labels observed (2)

Label Occurrences
SMA canonical 3
SMA proper 1

How this entity was disambiguated

Statements (47)

Predicate Object
instanceOf brain region
cortical area
activationMeasuredBy PET imaging
functional MRI
anatomicallyAdjacentTo premotor cortex
primary motor cortex
belongsTo medial premotor network
borderedAnteriorlyBy pre-SMA
borderedPosteriorlyBy primary motor cortex
extendsFrom paracentral lobule
extendsTo medial superior frontal gyrus
hasAbbreviation SMA
hasBrodmannAreaNumber 6
hasFunction planning and coordinating complex voluntary movements
hasSubregion SMA proper
linked to: SMA

pre-SMA
hasSynonym SMA
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
medial frontal cortex
linked to: Cingulate gyrus

motor system
playsRoleIn coordination of movements across body sides
motor learning
selection of motor programs
suppression of competing motor plans
projectsTo primary motor cortex
spinal cord
receivesInputFrom basal ganglia
prefrontal cortex
thalamus
studiedUsing electrical stimulation
transcranial magnetic stimulation

How these facts were elicited

Referenced by (4)

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

Supplementary motor area hasAbbreviation SMA
subject linked to: SMA
Supplementary motor area hasSubregion SMA proper
subject linked to: SMA
linked to: SMA
Supplementary motor area hasSynonym SMA
subject linked to: SMA