The frontal pole is the most forward tip of each frontal lobe, lying just behind the frontal bone and above the orbits. Its cortex (Brodmann area 10) is part of the prefrontal cortex. It is among the most recently evolved brain regions and is relatively larger in humans than in other primates.
| Location | Anterior tip of the frontal lobe, in the anterior cranial fossa behind the frontal sinus |
|---|---|
| Parts |
|
| Connections | |
| Blood Supply | Anterior cerebral artery (frontopolar branch) |
Supports the highest levels of planning, such as holding one goal in mind while working on another and comparing alternative choices.
The frontal poles are frequently bruised in head injury, especially when the back of the head strikes the ground (contrecoup injury). Damage here may cause subtle problems with planning, multitasking and decision making rather than obvious weakness. Tumours such as olfactory groove meningiomas can compress the frontal poles and present with personality change.
Bruising of the frontal tip from head trauma, causing behavioural and executive problems.
A slow-growing tumour under the frontal lobes that may cause loss of smell and personality change.
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