[Solved] The bulk of the dentinal material is called primary dentin or regular dentin. An area of higher crystalline content immediately surrounding the dentinal tubules is called sclerotic dentin. A) Both statements are true. B) The first statement is true; the second is false. C) The first statement is false; the second is true. D) Both statements are false. Neuroscience: The scientific study of the nervous system, encompassing aspects of biology, psychology, and medicine. Physical: Relating to the body as opposed to the mind or spirit; involving physical material and phenomena. Socioemotional: Pertaining to the interrelation of social processes and emotional development or expression. Cognitive: Related to mental processes such as thinking, learning, memory, and problem-solving.