The main function affected is the learning of new material. For example, the individual has difficulty in registering, storing and recalling elements in daily living, such as where belongings have been put, social arrangements, or information recently imparted by family members. A degree of memory loss which represents a serious handicap to independent living. Only highly learned or very familiar material is retained.
New information is retained only occasionally and very briefly.
The individual is unable to recall basic information about where he lives, what he has recently been doing, or the names of familiar persons. Only fragments of previously learned information remain. The subject fails to recognize even close relatives.