Neurodegeneration is the progressive loss of structure or function of neurons, including the death of the nerve cells. It can cause your brain and nerves to deteriorate over time. The neurological conditions in which the Dementia occurs include some disorders like Parkinson's disease, Normal Pressure Hydrocephalus, Huntington's disease, and Creutzfeldt-Jakob disease (CJD). These diseases mimic Dementia or have Dementia as a major sign in the disease. The genetic factors are responsible for the establishment of disorders like Parkinson’s disease, Down Syndrome, Creutzfeldt-Jakob disease, Normal Pressure Hydrocephalus. The other factors for Dementia include physical factors like head injuries and Traumatic brain injuries.