The term "brain regions" refers to specific areas within the brain that are responsible for carrying out particular functions or tasks. These regions have distinct characteristics and can be identified through various neuroimaging techniques, such as magnetic resonance imaging (MRI) or positron emission tomography (PET). The human brain is composed of several billion neurons which communicate with each other through complex networks. Brain regions are often defined based on their anatomical location and the types of cells they contain. These regions work together to process information, regulate bodily functions, control movement, and produce conscious experiences. Understanding the role of different brain regions is crucial for understanding human behavior, cognition, and neurological disorders.