The phrase "creation of brain" can be replaced by several synonyms, depending on the exact context and intended meaning. Some possible alternatives include "mental fabrication," "cognitive manifestation," "intellectual invention," and "cerebral construction." Other options might include "neurological origination," "intellectual genesis," "mental conception," or even "cognitive artistry." The key is to select a term that accurately captures the idea of something being produced or generated by the brain, while also conveying the creative or imaginative aspect of this process. Whether discussing scientific discovery, artistic expression, or even personal reflection, there are many ways to describe the amazing power of the human mind to create and innovate.