AS level Psychology Unit 1

The Multi-Store Model(MSM)Atkinson and Shriffrin(1968) Sensory memory- evidence from SperlingSTM- limited capacity and duration, mainly acoustic codingLTM- unlimited capacity and duration, mainly semantic encodingProcesses include: Attention and maintenance rehearsal Strengths -> Applications- dealing with hippocampal damage-> Strong evidence to support claims for duration, capacity and encoding-> Includes details of structure and process-> Has stimulated a lot of research which leads to increased understanding Limitations-> Oversimplified ->STM doesn't function as a unitary story: e.g. KF (Shallice and Warrington)-> Processing more important than maintenance rehearsal- Craik and Lockhart compared shallow, phonemic and semantic processing-> STM is not independent of LTM- Ruchkin et al. compared words and pseudo- words involved different brain activity SEE ALSO: http://www.simplypsychology.org/