Blumhardt, L D The asymmetrical visual evoked potential to pattern reversal in one half field and its significance for the analysis of visual field defects. [electronic resource] - The British journal of ophthalmology Jul 1977 - 454-61 p. digital Publication Type: Journal Article ISSN: 0007-1161 Standard No.: 10.1136/bjo.61.7.454 doi Subjects--Topical Terms: Action PotentialsForm PerceptionHemianopsia--physiopathologyHumansPattern Recognition, VisualVisual Cortex--physiologyVisual Fields