PRESENTING AtkinsonShiffrin Model of Memory The It states

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PRESENTING Atkinson-Shiffrin Model of Memory The It states that we have 3 memories: Sensory

PRESENTING Atkinson-Shiffrin Model of Memory The 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

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: failure versus retrieval failure. storage

Long-Term Memory Relatively permanent storage of information • Capacity: virtually unlimited. It contains 2

Long-Term Memory Relatively permanent storage of information • Capacity: virtually unlimited. It contains 2 general kinds of information:

Long-Term Memory Contains. . . Declarative Memory: Information you can describe Semantic Memory: General

Long-Term Memory Contains. . . Declarative Memory: Information you can describe Semantic Memory: General information Episodic Memory: Personally experienced events Nondeclarative Memory: Information you cannot describe Skilled actions Habits

Long-Term Memory Relatively permanent storage of information • Capacity: virtually unlimited. • Duration of

Long-Term Memory Relatively permanent storage of information • Capacity: virtually unlimited. • Duration of Storage: up to a lifetime. • Reason forgetting: failure (e. g. , interference). retrieval

Sensory Memory Temporary storage of information • Capacity: large; contains most details of sensory

Sensory Memory Temporary storage of information • Capacity: large; contains most details of sensory input. • Duration of Storage: visual: 1/10 second; auditory: 2 seconds. • Reason forgetting: failure (e. g. , decay). storage

Short-Term Memory Brief storage of information currently being used • Capacity: 7 units, plus

Short-Term Memory Brief storage of information currently being used • Capacity: 7 units, plus or minus 2. • Duration of Storage: less than 30 seconds without rehearsal. • Reason forgetting: storage failure (e. g. , decay, displacement).