What is memory loss?
I frequently forget where I put my glasses or keys. Does this mean I have Alzheimer Disease?
I am only 44 years of age but I have noticed that I have become more forgetful. Should I have my memory checked for Alzheimer Disease?
I think that my father may be at the beginning stages of Alzheimer Disease. How may I know if this is true?
Is memory loss hereditary?
I heard about an herbal remedy that improves memory. Do you know anything about this?
Is memory loss inevitable? If so, at what age will it begin?
Types of memory
The duration of sensory memory is a matter of seconds. Sensory memory does not decline with age.
Short term memory is defined as lasting for about 30 seconds or the ability to hold approximately 7 pieces of information, such as a telephone number. Short term memory shows no significant age-related change.
Working memory is a complex system that allows us to simultaneously process information and transfer it to storage.
Long term memory includes memories that persist for anywhere from a few minutes to several days to many years. Long term memory shows the most significant age-related decline when compared with all other types of memory.
Remote memory involves memories from decades past, such as childhood or adolescent experiences. Remote memory does not show age-related decline.
Semantic memory refers to the ability to remember general knowledge and word meanings. Semantic memory does not decline with age and, in fact, may improve with age.
Episodic memory includes autobiographical events. Episodic memory will typically show age-related decline.
Prospective memory is the ability to remember events that will take place in the future, such as a doctor's appointment. Prospective memory will typically show age-related decline.
Procedural memory refers to memory for learned skills such as swimming, riding a bicycle, or playing bridge. Procedural memory does not decline with age.