What form of memory underlies novelty preferences?

Kelly A. Snyder, Michael P. Blank, Chad J. Marsolek

Research output: Contribution to journalArticlepeer-review

38 Scopus citations


Novelty preferences (longer fixations on new stimuli than on previously presented stimuli) are widely used to assess memory in nonverbal populations, such as human infants and experimental animals, yet important questions remain about the nature of the processes that underlie them. We used a classical conditioning paradigm to test whether novelty preferences reflect (1) a stimulus-driven bias toward novelty in visual selective attention or (2) explicit memory for old stimuli. Results indicated that conditioning affected adults' looking behavior in the visual paired comparison, but not their recognition memory judgments. Furthermore, the typically observed novelty preference occurred only when a bias toward novelty had no competition from a bias toward salience due to conditioning. These results suggest that novelty preferences may reflect attentional processes and implicit memory to a greater degree than explicit memory, a finding with important implications for understanding memory in nonverbal populations and the development of memory in humans.

Original languageEnglish (US)
Pages (from-to)315-321
Number of pages7
JournalPsychonomic Bulletin and Review
Issue number2
StatePublished - Apr 2008

Bibliographical note

Funding Information:
Research and manuscript preparation were made possible in part by grants from the National Institute of Mental Health (MH12952) and the National Institute of Child Health and Human Development (R03-HD049366) to K.A.S. and from the National Institute of Mental Health (MH60442) to C.J.M.


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