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PRESENTING. The Atkinson-Shiffrin Model of Memory. It states that we have 3 memories: Sensory Memory, Short-Term Memory, and Long-Term Memory. These memories differ in terms of 3 characteristics:. Capacity: how many units of information can be held at one time .

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presenting

PRESENTING

The Atkinson-Shiffrin

Model of Memory

It states that we have 3 memories:

Sensory Memory, Short-Term Memory,

and Long-Term Memory.

these memories differ in terms of 3 characteristics
These memories differ in terms of 3 characteristics:
  • Capacity: how many units of information can be held at one time.
  • Duration of Storage: how long the information can be held.
  • Reason for Forgetting: storage failure versus retrieval failure.
long term memory relatively permanent storage of information
Long-Term MemoryRelatively permanent storage of information
  • Capacity: virtually unlimited. It contains 2 general kinds of information:
long term memory contains
Long-Term Memory Contains...

Declarative Memory:

Information you can describe

Nondeclarative Memory:

Information you cannot

describe

Semantic

Memory:

General

information

Episodic

Memory:

Personally

experienced

events

Skilled

actions

Habits

long term memory relatively permanent storage of information5
Long-Term MemoryRelatively permanent storage of information
  • Capacity: virtually unlimited.
  • Duration of Storage: up to a lifetime.
  • Reason for forgetting: retrieval failure (e.g., interference).
sensory memory temporary storage of information
Sensory MemoryTemporary storage of information
  • Capacity: large; contains most details of sensory input.
  • Duration of Storage: visual: 1/10 second; auditory: 2 seconds.
  • Reason for forgetting: storage failure (e.g., decay).
short term memory brief storage of information currently being used
Short-Term MemoryBrief storage of information currently being used
  • Capacity: 7 units, plus or minus 2.
  • Duration of Storage: less than 30 seconds without rehearsal.
  • Reason for forgetting: storage failure (e.g., decay, displacement).
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