Behavioral neuroscience is the field that studies how molecules influence behavior in both animals and humans. This field usually examines the brain's neurotransmissions as well as the psychological events associated to biological activity. It is an updated and more thorough version of physiological psychology that covers a wide range of topics, including neurology, learning and memory, motivation, and sensory systems, as well as the molecular and genetic biological basis of behavior. Behavioral neuroscience is the application of biological concepts to examine the physical, genetic, and behavioral mechanisms of behavior in people and various animals. It is also known as biological psychological, biopsychology, or psychobiology. In the 18th and 19th centuries, a mix of medical and philosophical traditions gave rise to behavioral neurology as a scientific field. Philosophers like René Descartes presented physical theories as a way to explain both human and animal behavior. Descartes issued a warning which the pineal gland, an unpaired midline structure found in many creatures' brains, served as the interface between the mind and the body. Descartes also focused on the notion that reflexes and other biological functions should be explained by the pneumatic cylinders of bodily fluids. They can provide information about electrical activities, hormones, chemicals, and medicine effects inside the body, all of which have an impact on daily behavior. Other philosophers also contributed to the understanding of psychology. William James' The Standards of Psychology, one of the first books in the emerging profession, makes the case that a scientific grasp of biology should serve as the foundation for any analysis of psychology. It is possible to connect the development of psychology and cognitive neuroscience to the separation of physiological from anatomy, particularly neuroanatomical. The prominent anatomists of the nineteenth and twentieth centuries began to doubt physiologists' use of tests on living creatures. As early as 1700 B.C., behavioral neuroscience was beginning to take shape. Whether the talk is properly recognized as the thoughts-frame problem is a question that seems to come up frequently. The two main mental models that try to address the thought-frame issue are monism and dualism. Among the many thinkers who participated in this discussion were Plato and Aristotle. Plato thought that all intellectual concepts and methods were generated in the brain. Aristotle, on the other hand, thought that the mind's purpose was to calm the emotions that come from the heart. The mind-body conundrum was a first step in attempting to understand how the body and mind interact.