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.
The bicuspid, or mitral valve (also called the left atrioventricular valve), is located between the left atrium and left ventricle.It prevents any backward flow of blood duri â¦ ng contractions of the left ventricle. 4 people found this useful.he valves located between the upper and lower chambers of the heart are known as the atrioventricular valves. On the right side, it is known as the tricuspid valve because it â¦ has three flaps. On the left side, it is known as the bicuspid or mitral valve because it has two flaps. 1 person found this useful. Answered.