Memory Span Capacity - 2583 Words

Abstract The memory span experiment tested the theory that there is a short term memory system that is limited in capacity and is influenced by different processes. The memory span experiment included different stimuli, which were numeric, letters that sound different, and letters that sound the same. 10 undergraduate students recalled stimuli in the same order that was presented to them. It is hypothesized that short term memory is a limited capacity system that is influenced by verbal processes. Furthermore, participants would be able to recall items, 7 ±2 where number recall be more successful. From the results, this study indicates that that there is a limit to short-term memory and that verbal processes partially influence†¦show more content†¦This example supports the Atkinson-Schifrin model. Atkinson and Schifrin (1968) claimed that the memory system was made up of three distinct stores. Sensory memory where information can be stored for a very brief moment of time. STM, that has very little capacity and information can only be stored for a short duration of time and finally LTM which potentially has unlimited capacity and duration. If a person’s attention if focused on material in sensory memory, then it is transferred to STM. Atkinson and Shiffrin also implied that transfer of information from STM to LTM was through a process called ‘rehearsal’. They proposed a direct link between STM and the strength of LTM, claiming that the more the information is rehearsed the better it is remembered. Awh, Barton, and Vogel (2007) tested chunking for mixed arrays with both simple items, such as colored spots, and complex items, such as foreign letters or cube orientations. It was found that capacity was unaffected by the complexity of the items in the array prov ided that the changes being tested were large ones (e.g., a change from a foreign letter to a cube) rather than subtle ones (e.g., a change from one cube orientation to another). The complexity of an item therefore was said to affect the adequacy of the resolution of itsShow MoreRelatedThe Relationship Among Working Memory, Math Anxiety, and Performance Mark H. Ashcraft and Elizabeth P. Kirk (a Journal Critique)789 Words   |  4 PagesAmong Working Memory, Math Anxiety, and Performance Mark H. Ashcraft and Elizabeth P. Kirk Cleveland State University OBJECTIVE: The general focus of this research is to examine performance in standard cognitive frameworks and online tasks. The researchers hope to examine the influence that math anxiety exerts on mathematical cognition and to identify the processing components that are so influenced. 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