Individuals of all ages extract structure from the sequences of patterns they encounter in their environment, an ability that is at the very heart of cognition. Exactly what underlies this ability has been the subject of much debate over the years. A novel mechanism, implicit chunk recognition (ICR), is proposed for sequence segmentation and chunk…

Deficits in position memory particularly seemed to be the major distinguishing variable between normals and retardates in the present study. (Authors)

Memory span of symbol strings decreased as string length or number of different symbols composing the strings increased. Recall of digit strings was a function of string length only. (Author)