Memory disorders are the result of damage to neurological structures that obstruct the storage, retention and recollection of memories. Memory disorders can be progressive, such as Alzheimer’s disease, or they can be immediate – including disorders resulting from head injuries.
Alzheimer’s disease is the most common type of dementia. It is degenerative, causing the nerve cell to stop functioning, which leads to an incurable and progressive loss of brain function.
Dementia is a group of symptoms caused by disorders that affect the brain.