This study examines the role of componential knowledge and unitization processes in implicit memory. In two experiments, subjects studied novel words formed out of morphemes, syllables, or pseudosyllables. They then completed an implicit task requiring a judgment as to which of two items (one old, one new) was a better English word. Experiment 1 replicated previous results showing priming for nonwords formed out of morphemes and syllables but not pseudosyllables. This effect was present when orthographic factors were controlled and, unlike explicit (recognition) memory, was equally strong following visual and semantic processing. Experiment 2 showed that little priming was present across a variety of conditions in which the connections between components were altered across study and test. Results are interpreted as evidence for the role of perceptually based activation and integration processes in implicit memory for novel stimuli.
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