U3 KA3 - Memory Flashcards
What is memory?
Memory is the capacity of the brain to store information, retain it and then retrieve it when required.
What are the 3 stages of sensory memory
- Encoding
- Storage
- Retrieval
Describe the Encoding stage of sensory memory
Sensory image must be converted into a form that the brain can process and store.
Describe the Storage stage of sensory memory
Retaining the information over a period of time (30sec-lifetime)
Describe the Retrieval stage of sensory memory
Recovery of the stored material from either the short-term or long-term memory.
What are the 3 levels of Memory?
- Sensory Memory
- Short term memory
- Long term memory
How long does sensory memory retain auditory and visual input?
A few seconds
Where are sensory memories passes to?
STM
Why are pieces of information often discarded
Because they haven’t been transferred to Long term memory
What id the capacity of STM
7 bits of information
How long is information retained in the STM
30 seconds
What happens if there is no rehearsal of information in the STM
it is displaced
What does rehearsal of STM do?
Extends the time the info is in the STM
What is Rehearsal?
Repeating a bit of info over and over again
What are the 4 methods of improving STM of a piece of information?
- Rehearsal
- Organisation
- Chunking
- Serial positioning effect