The effect of brain damage on rat intelligence

The importance of the brain as the essential basis of intelligent behavior is taken for granted by modern psychology. Although no text-book would claim that even the principal relationships between brain function and intelligence have been adequately formulated, modern research assumes that a detailed and comprehensive account needs only time and continued effort for its ultimate appearance. The conflicting views in the contemporary literature on the physiological basis of intelligence probably reflect differences of method - for example, what experimental subjects are used, - as well as differences in theoretical assumptions