Abstract
Theories of episodic memory posit that more attentional resources are needed for encoding specific compared to gist representations. This position has been challenged by recent findings of similar divided attention (DA) at encoding costs on both specific and gist representations. However, the disrupting effects of DA on specific representations may emerge under less difficult DA conditions than those under which effects on gist representations emerge. The present study addressed this possibility by manipulating the difficulty of a concurrent DA task (low, intermediate, or high difficulty) during encoding among 176 young adult participants, who encoded face-scene pairs under either full attention or one of the three levels of DA. During retrieval, participants discriminated intact pairs from recombined pairs that varied in how similar they were to studied pairs. Results, interpreted using a multinomial-processing-tree model of specific and gist memory, showed that the disrupting effects of DA on specific representations emerged under less difficult attentional loads (intermediate-demanding condition) compared to those under which gist representations were disrupted (high-demanding condition). These findings reinforce the suggestion of differential attentional demands for specific and gist representations and also provide insights into attentional resource theories of adult age-related cognitive decline. (PsycInfo Database Record (c) 2023 APA, all rights reserved).
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