Abstract:
:The present study supports activation models of verbal short-term memory that include a semantic contribution to the retention process. Event-related brain potentials were used to probe the level of activation of semantic representations of a series of words in a delay interval following their presentation. The levels of activation were compared in two tasks: (1) a short-term memory task that involved a semantic judgment in the recall phase following the delay interval, and (2) a nonmemory control task. The level of semantic activation during the delay interval was higher in the short-term memory task, indicating that enhanced activation of semantic representations is involved in the short-term storage of verbal information. This result implies that activated long-term memory provides a representational basis for semantic verbal short-term memory, and hence supports theories that postulate that short- and long-term stores are not separate.
journal_name
Psychophysiologyjournal_title
Psychophysiologyauthors
Cameron KA,Haarmann HJ,Grafman J,Ruchkin DSdoi
10.1111/j.1469-8986.2005.00357.xsubject
Has Abstractpub_date
2005-11-01 00:00:00pages
643-53issue
6eissn
0048-5772issn
1540-5958pii
PSYP357journal_volume
42pub_type
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