Narcissistic brains can often refer to individuals who have an inflated sense of self-importance and an obsession with themselves. Some synonyms for this term could include egotistical minds, self-absorbed intellects, or vain cerebralities. These phrases all allude to a similar personality trait, characterized by a focus on oneself to the detriment of others. Another expression that could serve as a synonym is self-centered thinking, which captures the same idea of being overly concerned with one's own wants and needs. Regardless of the terminology used, individuals possessing such a personality trait frequently become a barrier to cooperative and compassionate communication and can create challenges in relationships with others on both personal and professional levels.