alexa Cross-domain interference costs during concurrent verbal and spatial serial memory tasks are asymmetric.
Psychiatry

Psychiatry

Journal of Addiction Research & Therapy

Author(s): Morey CC, Mall JT

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Abstract Some evidence suggests that memory for serial order is domain-general. Evidence also points to asymmetries in interference between verbal and visual-spatial tasks. We confirm that concurrently remembering verbal and spatial serial lists provokes substantial interference compared with remembering a single list, but we further investigate the impact of this interference throughout the serial position curve, where asymmetries are indeed apparent. A concurrent verbal order memory task affects spatial memory performance throughout the serial positions of the list, but performing a spatial order task affects memory for the verbal serial list only for early list items; in the verbal task only, the final items are unaffected by a concurrent task. Adding suffixes eliminates this asymmetry, resulting in impairment throughout the list for both tasks. These results suggest that domain-general working memory resources may be supplemented with resources specific to the verbal domain, but perhaps not with equivalent spatial resources. This article was published in Q J Exp Psychol (Hove) and referenced in Journal of Addiction Research & Therapy

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