What is the primary function of the angular gyrus?

The angular gyrus is primarily associated with the integration of sensory information that is crucial for language processing. This region of the brain plays a significant role in several language-related functions, including reading, writing, and understanding language. It helps in linking auditory and visual aspects of language, facilitating the comprehension of written text and spoken words.

This position allows the angular gyrus to contribute to higher-level cognitive processes, including the ability to formulate and comprehend complex thoughts. The integration of sensory input is vital for bridging the gap between what one sees (written language, for example) and what one understands, thus enhancing overall linguistic abilities.

The other options refer to functions that are associated with different parts of the brain. For instance, the processing of visual inputs is primarily done by the occipital lobe, while the connection between the two hemispheres is facilitated by the corpus callosum. Regulating heart rate is a function managed by the autonomic nervous system, which is not related to the angulation function of the angular gyrus. Therefore, the focus on the angular gyrus and its role in sensory integration for language processing makes this answer the most fitting choice.