A study on sentence processing involving rehearsal, response initiation, and mental transformation required the subject to perform a secondary task concurrently with transformation of a sentence previously given. A secondary task interruption technique was used to allow inferences as to where the planning occurs by measuring increases in task time…

A study was conducted to provide an assessment of the general efficiency of working memory in relation to level of field articulation. The task required a subject to retain a series of digits for subsequent report while performing a semantic modification of a target phrase. The working memory hypothesis predicts that the joint impact of high…

Reports three experiments investigating the relationship of the suffix effect and echoic memory. Shows that echoic memory persists for at least 20 seconds. Illustrates that echoic memory can be used to establish a more effective nonechoic memory. Shows that recency recall is higher to auditory than to visual items. (PMJ)

Studies investigating the functioning of persons who have cerebral lesions and evidence from the study of commisurotomized and normal subjects are reviewed. A study of recognition of pictorial stimuli by right-handed male children is also discussed. Studies about cerebral lesions and associated deficits have yielded information about the…