Effects of concurrent task demands on language planning in fluent children and adults

Jayanthi Sasisekaran, Cara Donohue

Research output: Contribution to journalArticlepeer-review

2 Scopus citations

Abstract

The aim of the present study was to investigate how children and adults allocate cognitive resources to performing segmental encoding and monitoring in a dual-task paradigm and the response patterns of the primary and secondary tasks in the dual task. Participants were 20 children divided equally into two age groups (7-11 and 12-15 years) and 10 adults. The primary task required participants to monitor phonemic segments in a picture-written word interference paradigm while silently naming the pictures. The picture and distractor word were the same (replica), related (phoneme onset overlap), or unrelated. The secondary task required participants to make pitch judgments on tones presented at short (330 ms) or long (1130 ms) stimulus onset asynchrony (SOA) from picture onset. Developmental differences were observed in both response times and percentage errors in the primary and secondary tasks. Slower responses to the primary task were evident at the long SOA, related condition. Slower response times to the tone decision task were evident at the short rather than the long SOA. The findings support the capacity sharing account of dual-task performance and suggest that dual-task costs during language planning are higher in children than in adults.

Original languageEnglish (US)
Pages (from-to)1311-1336
Number of pages26
JournalApplied Psycholinguistics
Volume37
Issue number6
DOIs
StatePublished - Nov 1 2016

Bibliographical note

Funding Information:
This work was funded by an NIDCD R03 grant (Grant DC010047) and start-up funds from the University of Minnesota to the Principal Investigator.

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