Cognitive memory

Cognitive memory

1. Short term Memory

   • Duration : 15-30s. Capacity: 7 plus/minus 2. Acoustic Encoding

2. Long term Memory

   • Duration: Potentially unlimited. Capacity: Potentially limitless. Semantic Encoding

3. Multistore Model

   • Simple way to explain memory. Supported by Peterson x2
   • Oversimplified. Ecological Validity

4. Working Memory model

   • Episodic Buffer
   • Explains ease of doing two diff tasks eg, verbal and visual
   • Central executive too simple, doesnt explain

5. Encoding. Storage. Retrieval

6. Study of HM

   • Labotomy - Episodic and procedural memory fine. different stores, supports peterson x2. forgets memory quick

7. Study of Kf

   • Motorbike accident, brain damage . STM damaged but LTM fine. supporting MSM
   • Remembers words better if shown visually, supporting WMM

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