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Module 1: Sensorielle, à court terme et à long terme mémoire

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La relation entre les propriétés de la mémoire sensorielle, mémoire à court terme et la mémoire à long terme et

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Psychology -> The relationship between and properties of sensory memory, short-term memory and long term memory


Relationship between and properties of sensory memory, short-term memory and long term memory


SENSORY MEMORY (SM)
DURATION
- iconic: 0.3 of a second
- echoic: 3-4 seconds
CAPACITY
- large
PROPERTIES
- the initial phase of memory where information registers briefly on the sensory organs
- visual sensory memory
- auditory sensory memory
- if information is attended to it is transferred to STM


SHORT-TERM MEMORY (SM)
DURATION
- less than or equal to 30 seconds
CAPACITY
- holds 7 plus or minus 2 bits of information
- can increase capacity by chunking, which is the grouping together of bits of information to form a chunk
PROPERTIES
- information is encoded as it enters STM
- holds information that you are consciously processing at the time
- also referred to as 'working memory' as it is where mental manipulation takes place
- information may be coming from sensory memory or being retrieved from LTM
- if information is not attended to it is lost or displaced


LONG-TERM MEMORY (SM)
DURATION
- relatively permanent
CAPACITY
- limitless

PROPERTIES
- the transfer of information from STM to LTM involves a period of time for consolidation in order for it to be permanently stored.Consolidation theory suggests that information can be altered or lost during this consolidation phase
- information is stored according to meaning and categories known as the semantic network theory

Long Term Memory

Declarative Memory - Stores memories of events and facts
Sematntic Memory - stores facts and knowledge
Episodic Memory - stores memories of events and personal episodes

Procedural Memory - stores the memory of knowing how to do something

As the above table indicates, information in long-term memory appears to be stored in different locations. Our memory is distributed and fragmented rather than localised and unitary.