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Simple Summary: Traumatic brain injury is a leading cause of death and disability worldwide, according to the Centers for Disease Control and Prevention. It results in various long-term consequences, including brain atrophy, nerve damage, and significant economic costs. Traumatic brain injury is most common among working-age adults, highlighting the urgent need for improved diagnostic and treatment methods. Animal models serve as a valuable tool for studying the mechanisms of traumatic brain injury and developing new treatments. These models allow researchers to control injury parameters and analyze post-traumatic effects, advancing our understanding of the condition. According to the Centers for Disease Control and Prevention (CDC), the national public health agency of the United States, traumatic brain injury is among the leading causes of mortality and disability worldwide. The consequences of TBI include diffuse brain atrophy, local post-traumatic atrophy, arachnoiditis, pachymeningitis, meningocerebral cicatrices, cranial nerve lesions, and cranial defects. In 2019, the economic cost of injuries in the USA alone was USD 4.2 trillion, which included USD 327 billion for medical care, USD 69 billion for work loss, and USD 3.8 trillion for the value of statistical life and quality of life losses. More than half of this cost (USD 2.4 trillion) was among working-age adults (25–64 years old). Currently, the development of new diagnostic approaches and the improvement of treatment techniques require further experimental studies focused on modeling TBI of varying severity. [ABSTRACT FROM AUTHOR]