Abstract:
:The dependence of episodic memories on interhemispheric processing was tested. In Experiment 1, positive familial sinistrality (FS+; e.g., presence of left-handed relatives) was associated with superior episodic memory and inferior implicit memory in comparison with negative familial sinistrality (i.e., FS-). This reflected a greater degree of interhemispheric interaction in FS+ participants, which was hypothesized as facilitating episodic memory. In Experiment 2, the authors directly manipulated inter- versus intrahemispheric processing using tests of episodic (recognition) and semantic (lexical decision) memory in which letter strings were presented twice within trial blocks. Semantic memory was superior when the 2nd presentation went to the same hemisphere as the 1st. Episodic memory, however, was superior when the 2nd presentation of a stimulus went to the opposite hemisphere. Results support an interhemispheric processing basis for episodic memories.
journal_name
Neuropsychologyjournal_title
Neuropsychologyauthors
Christman SD,Propper REdoi
10.1037//0894-4105.15.4.607subject
Has Abstractpub_date
2001-10-01 00:00:00pages
607-16issue
4eissn
0894-4105issn
1931-1559journal_volume
15pub_type
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