Behavioral neurosciences, also known as biological psychology, biopsychology, or psychobiology, are the application of biological principles in the study of physiological, genetic, and developmental behavioral mechanisms in human and nonhuman animals.
It generally studies nerves, neurotransmitters, brain connections, and the basic biological processes on which normal and abnormal behavior are based.
Neurosciences are traditionally classified as subdivisions of biology. Today, it is an interdisciplinary science that works closely with other sciences such as mathematics, linguistics, engineering, computer science, chemistry, philosophy, psychology, and medicine.
More often, behavioral experiments on animal ignorance, other than on human animal models, contribute to a better understanding of human pathology and therefore contribute to evidence-based practice.
Essentially, a complex conglomerate of cells and nerves creates electrical connections in the body and transmits data back and forth between the brain, spinal cord, organs, and limbs. I suggest you to go and read this Foundations of Behavioral Neuroscience 9th edition.
The way the brain works has been studied by the ancient Egyptians, but neuroscience has developed rapidly in recent years in a discipline that includes elements of molecular biology, human behavior, anatomy, and more.
Neuroscience research, depending on the form, has focused primarily on molecular and cellular studies of individual neurons. However, using modern and innovative computer imaging and simulation tools, modern neuroscience can provide information about brain anatomy and our understanding of neurological, physical, and psychological functions, essentially about the connection between the brain, body, and mind.
Now neuroscientists are working in a much larger area than before. They study the cellular, functional, evolutionary, computational, molecular, cellular, and medical aspects of the nervous system.