American English takes a slightly different approach to the agreement of verbs with collective nouns. There is a very strong preference for the use of singular verbs with such nouns, so in American English you are much more likely to see, for example:
By Dr Ananya Mandal, MD. The human brain is divided into two hemispheres. The left hemisphere is the logical brain and is involved in language and analysis and the right hemisphere is the creative brain, involved in daydreaming and imagination. The left hemisphere controls the right side of the body while the right hemisphere controls the left side.
Linguistics is the study and practice of understanding how languages form and evolve. Individuals in the field will be responsible for understanding and identifying various aspects of a given language, including constructing and referencing ancient and dead languages for the purposes of research and reconstruction.