Unitization modulates recognition of within-domain and cross-domain associations: Evidence from event related potentials

BioRxiv : the Preprint Server for Biology
Bingcan LiRoni Tibon

Abstract

Although it is often assumed that memory of episodic associations requires recollection, it has been suggested that when stimuli are experienced as a unit, familiarity processes might contribute to their subsequent associative recognition. We investigated the effects of associative relations and perceptual domain during episodic encoding on retrieval of associative information. During study, participants encoded compound and non-compound words-pairs, presented either to the same sensory modality (visual presentation) or to different sensory modalities (audio-visual presentation). At test, they discriminated between old, rearranged, and new pairs while event related potentials (ERPs) were recorded. In an early ERP component, generally associated with familiarity processes, differences related to associative memory only emerged for compounds, regardless their encoding modality. In contrast, in a later ERP component associated with recollection, differences related to associative memory emerged in all encoding conditions. These findings may indicate that episodic retrieval of compound words can be supported by familiarity-related processes, regardless of whether both words were presented to the same or different sensory modalities.

Related Concepts

Memory
Perception
Crossed (Qualifier Value)
Elk3 protein, mouse
Potentials, Event-Related
Within
Recognition (Psychology)
Participant
Compound (Substance)
Study

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