Brain tissue research involves studying the structure and functions of the brain at a cellular and molecular level. This can include investigating the development, organization, and connectivity of neurons, as well as studying the role of various neurotransmitters and signaling pathways in brain function. Researchers in this field may also study the effects of neurodegenerative diseases, traumatic brain injuries, and other neurological disorders on brain tissue. Advanced imaging techniques, genetic studies, and animal models are commonly used in brain tissue research to better understand the complexities of the brain and develop potential treatments for brain-related disorders.