The framework was developed by camp and colleagues (1993; 2007) to older adults utilize two different types of aids to compensate for normal declines in memory skill.

The E-I-E-I-O framework was developed by camp and colleagues (1993; 2007) to help older adults utilize two different types of aids to compensate for normal declines in memory skill. It is a memory aid or strategy. ​This framework combines explicit memory and implicit memory, with two types of memory aids, external aids and internal aids.