Superior frontal gyrus

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Synonyms
F1, Superior frontal gyrus

The superior frontal gyrus is a gyrus in the frontal lobe.

Anatomy

The superior frontal gyrus is the most medial gyrus in the frontal lobe and is bounded laterally by the superior frontal sulcus. Medially, the longitudinal fissure of the cerebrum borders the superior frontal gyrus.

Function

The superior frontal gyrus is an important region involved in a variety of functions. These include motor functions, working memory, regulation of the resting state, and cognitive control1.

Figure

Superior frontal gyrus
Anatomical illustration of the gyri and sulci of the brain with the superior frontal gyrus unilaterally colored (blue). Figure adapted from Atlas and Textbook of Human Anatomy, 1909, Vol. 3, Figure 628, by Johannes Sobotta and J. Playfair McMurrich

Imaging

The superior frontal gyrus can be optimally visualized on MRI.

Gyrus frontalis superior on sagittal MRI.
Gyrus frontalis superior on sagittal MRI (T1 contrast-enhanced sequence).

Gyrus frontalis superior on MRI
Gyrus frontalis superior in the axial plane on a T1 contrast-enhanced MRI sequence.

Gyrus frontalis superior on MRI.
Gyrus frontalis superior on a coronal MRI image

Superior frontal gyrus CT
Visualization of the superior frontal gyrus on axial CT imaging.

References

    1. Briggs, Robert G., et al. "Anatomy and white matter connections of the superior frontal gyrus." Clinical Anatomy 33.6 (2020): 823-832. ↩ ↩

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