The differential processing of orthographic and phonological representations of print in the cerebral hemispheres

2009 ◽  
Author(s):  
Christopher Domen ◽  
Lori Buchanan
Author(s):  
Ryoji Nishiyama ◽  
Jun Ukita

This study examined whether additional articulatory rehearsal induced temporary durability of phonological representations, using a 10-s delayed nonword free recall task. Three experiments demonstrated that cumulative rehearsal between the offset of the last study item and the start of the filled delay (Experiments 1 and 3) and a fixed rehearsal of the immediate item during the subsequent interstimulus interval (Experiments 2 and 3) improved free recall performance. These results suggest that an additional rehearsal helps to stabilize phonological representations for a short period. Furthermore, the analyses of serial position curves suggested that the frequency of the articulation affected the durability of the phonological representation. The significance of these findings as clues of the mechanism maintaining verbal information (i.e., verbal working memory) is discussed.


Author(s):  
Christine Chiarello ◽  
Kim Cannon ◽  
Lorie Richards ◽  
Lisa Maxfield

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