Neuroscience is a multidisciplinary field of study that focuses on the structure, function, development, and evolution of the nervous system, which includes the brain, spinal cord, and nerves. It encompasses a wide range of disciplines, including biology, chemistry, psychology, physics, computer science, and engineering.

Neuroscientists use a variety of techniques to study the nervous system, including imaging techniques such as magnetic resonance imaging (MRI) and positron emission tomography (PET), electrophysiological techniques such as electroencephalography (EEG) and patch-clamp recording, and molecular and genetic techniques such as gene expression analysis and manipulation of specific genes.

The study of neuroscience has important implications for understanding various aspects of human behaviour, including perception, emotion, cognition, and consciousness. It also has applications in fields such as medicine, where it is used to diagnose and treat neurological and psychiatric disorders, and in engineering, where it is used to develop advanced technologies such as brain-computer interfaces.