<Li> Savings method--compares the speed of originally learning to the speed of relearning it . The amount of time saved measures memory . </Li> <Ul> <Li> Transience--memories degrade with the passing of time . This occurs in the storage stage of memory, after the information has been stored and before it is retrieved . This can happen in sensory, short - term, and long - term storage . It follows a general pattern where the information is rapidly forgotten during the first couple of days or years, followed by small losses in later days or years . </Li> <Li> Absentmindedness--Memory failure due to the lack of attention . Attention plays a key role in storing information into long - term memory; without proper attention, the information might not be stored, making it impossible to be retrieved later . </Li> </Ul> <Li> Transience--memories degrade with the passing of time . This occurs in the storage stage of memory, after the information has been stored and before it is retrieved . This can happen in sensory, short - term, and long - term storage . It follows a general pattern where the information is rapidly forgotten during the first couple of days or years, followed by small losses in later days or years . </Li> <Li> Absentmindedness--Memory failure due to the lack of attention . Attention plays a key role in storing information into long - term memory; without proper attention, the information might not be stored, making it impossible to be retrieved later . </Li>

Episodic memory consists of personal facts and memories of one's personal history