The anterior cerebral artery (ACA) is one of a pair of cerebral arteries that supplies oxygenated blood to most midline portions of the frontal lobes and superior medial parietal lobes of the brain.

It is characterized by weakness and sensory loss in the lower leg and foot opposite to the lesion and behavioral changes.

[6] The anterior cerebral artery supplies a part of the frontal lobe, specifically its medial surface and the upper border.

[7] Strokes that occur in a part of the artery prior to the anterior communicating usually do not produce many symptoms because of collateral circulation.

If a blockage occurs in the A2 segment or later, the following signs and symptoms may be noted:[8] ocular group: central retinal