capacity, encoding and duration

Question 1

What is CAPACITY in memory?

Answer 1

This is the amount of information which can be stored in memory.
STM has a capacity of 5-9 items
LTM has an unlimited capacity

Question 2

What is DURATION in memory?

Answer 2

This is how long a memory trace can last
Sensory memory lasts 0.5-3 seconds
STM has a duration of 18-30 seconds
LTM has an unlimited duration

Question 3

What is CODING in memory?

Answer 3

This is the form in which a memory trace is created
STM is coded acoustically
LTM is coded semantically