The theory is considered  constructivist  , meaning that , unlike nativist theories ( which describe cognitive development as the unfolding of innate knowledge and abilities ) or empiricist theories ( which describe cognitive development as the gradual acquisition of knowledge through experience ) , it asserts that we construct our cognitive ...
Introduction. The population frequency of a bicuspid aortic valve is â0.9% to 1.36%, 1â3 with a 2:1 male:female ratio. It is likely that the presence of a bicuspid aortic valve has a genetic basis, with the pattern of transmission in some families suggesting an autosomal dominant pattern of inheritance.
This birth defect causes heart strain due to high blood pressure in the upper body. Bicuspid aortic valve: 1% to 2% of people have an aortic valve with two leaflets instead of three. A bicuspid aortic valve can eventually lead to aortic insufficiency or aortic stenosis. Aortitis: Inflammation of the aorta.