Implicit and explicit olfactory memory in people with and without Down syndrome

Adam Johns*, Judi Homewood, Richard Stevenson, Alan Taylor

*Corresponding author for this work

Research output: Contribution to journalArticle

7 Citations (Scopus)


This study examined differences in implicit and explicit memory performance between people with Down syndrome (DS), their siblings, children matched on mental age, and university undergraduates, using olfactory stimuli. The DS and mental-age matched participants were also compared on two tasks of executive function. The data revealed implicit memory for olfactory stimuli. Further, people with DS performed similarly to each control group on the implicit memory task, but performed significantly poorer than all control groups on the explicit memory task. Impairment to executive functioning was identified as a possible cause of this deficit in explicit memory as people with DS performed more poorly than the mental-age matched controls on both tasks of executive function.

Original languageEnglish
Pages (from-to)583-593
Number of pages11
JournalResearch in Developmental Disabilities
Issue number2
Publication statusPublished - Mar 2012

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