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Multi Store Model Atkinson and Shiffrin (Evaluation (Strenghts (Clear…
Multi Store Model
Atkinson and Shiffrin
Evidence
Serial Position Effect
Brain
STM pre frontal cortex
LTM active hippocampus
Participants
List of 20 words
First few words remembered
Last few words remembered
Middle words forgotten
Recall start to finish
Evaluation
Strenghts
Clear understanding of the process
Very flexible
Easily expandable
Weaknesses
Oversimplified
Does not really distinct STM and LTM
All in a single uniform fashion
The Memory Stores
Encoding
Capacity
Sensory Memory:
All sensory experience
Short Term Memory:
7 +/- 2 items
Long Term Memory:
Unlimited
Sensory Memory:
Sense specific
Short Term Memory:
Mainly Auditory
Long Term Memory:
Mainly semantic
Duration
Sensory Memory:
1/4 to 1/2 second
Short Term Memory:
0-18 seconds
Long Term Memory:
Unlimited
Model
Sensory
Information from
Eyes
Nose
Ears
Mouth
Touch
LTM
Verbal
Semantic
Rehersed
STM
Initial attention
Disappears if not rehersed
Disappears if information changes