The brain is divided into four anatomical regions: the diencephalon, brainstem, cerebrum, and cerebellum, as described on the slide.[Kandel et al., 2000; Tortora & Derrickson, 2009]
References:
Kandel ER, Schwartz JH, Jessell TM (eds). Principles of Neural Science. 4th edition. McGraw-Hill, 2000.
Tortora GJ, Derrickson B. Principles of Anatomy and Physiology. 12th edition. John Wiley & Sons, 2009.