Illusory Rotation of a Spoked Wheel

A disk was divided into 16 stationary sectors of different grey levels that stepped around clockwise.When thin stationary spokes of constant mid-grey separated the sectors, the spokes showed robust and striking counterclockwise apparent motion, SHOESBOOTSFLAT and Grinders when stopped, they gave a brisk clockwise motion aftereffect.The spokes had t

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Coronary artery to left ventricle fistula

Abstract Background Coronary cameral fistulas are an uncommon entity, the etiology of which may be congenital or traumatic.They involve Armchair Sofa abnormal termination of a coronary artery, usually the right coronary, into a cardiac chamber, usually the right ventricle.Case Presentation We describe a case of female patient with severe aortic ste

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