The middle frontal gyrus lies between the superior and inferior frontal sulci on the lateral surface of the frontal lobe. Its back part contains the frontal eye field, and most of the rest forms the dorsolateral prefrontal cortex. It is often the widest of the three frontal gyri.
| Location | Frontal lobe lateral surface, between the superior and inferior frontal sulci |
|---|---|
| Parts | |
| Connections | |
| Blood Supply | Middle cerebral artery |
Controls voluntary eye movements and supports working memory, attention, planning and flexible problem solving.
Damage to the frontal eye field causes the eyes to deviate towards the side of the lesion in the acute stage, as the opposite frontal eye field is unopposed. Dorsolateral damage impairs planning, flexibility of thinking and working memory. The dorsolateral prefrontal cortex here is the usual target for transcranial magnetic stimulation in depression.
Both eyes turn towards the side of an acute frontal lesion that includes the frontal eye field.
Difficulty planning, switching tasks and organising behaviour after dorsolateral frontal damage.
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