Brain Boundaries: The Three Major Brain Functions

There are three major brain divisions. They are the cerebrum, the brainstem, and the cerebellum. The cerebrum contains 40% of the weight of the brain and is founded in the superior part of the brain. This portion of the brain has many functions and lobes which perform certain functions. The frontal lobe is involved with “activating and controlling both fine and complex motor activities.” This involves speech. It is also involved with the executive functions, such as reasoning and rationalizing, among others. The occipital lobe is concerned with vision and processing the information received from the eyes. According to the reading, the “key functions of the parietal lobes include perceiving and integrating sensory and perceptual information,