Neuroscience is the scientific study of the nervous system. It is a branch of biology that deals with the anatomy, biochemistry, molecular biology, and physiology of neurons and neural circuits. It also draws upon other fields, with the most obvious being pharmacology, psychology, and medicine. The scope of neuroscience has broadened over time to include different approaches used to study the molecular, cellular, developmental, structural, functional, evolutionary, computational, psychosocial and medical aspects of the nervous system. Neuroscience has also given rise to such other disciplines as neuroeducation, neuroethics, and neurolaw. The major branches of modern neuroscience Affective neuroscience, Behavioral neuroscience, Cellular neuroscience, Clinical neuroscience, Cognitive neuroscience, Computational neuroscience, Cultural neuroscience, Developmental neuroscience, Molecular neuroscience, Neuroengineering, Neuroimaging, Neuroinformatics, Neurolinguistics, Neurophysiology, Paleoneurology, Social neuroscience, Systems neuroscience. The history of neuroscience that includes, the ancient Egyptians thought the seat of intelligence was in the heart. Because of this belief, during the mummification process, they would remove the brain but leave the heart in the body. The earliest writings on the brain were found in the 1700 BC Edwin Smith Surgical Papyrus. The word "brain" is mentioned eight times when describing the symptoms, diagnosis, and likely outcomes of two people who had head wounds - compound fractures of the skull.
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