The term brain disorder refers to any condition that affects the normal functioning of the brain. This can include a wide range of conditions, such as neurological diseases, psychiatric disorders, and developmental or cognitive impairments. Brain disorders can be caused by genetic factors, environmental influences, or a combination of both. They can result in a variety of symptoms, including changes in mood, behavior, memory, and motor function. Treatment for brain disorders may involve medication, therapy, lifestyle modifications, or other interventions depending on the specific condition.