Psychologists have identified several different types
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
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
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.