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Recent data (T. J. Perfect, C. J. A. Moulin, M. A. Conway, & E. Perry, 2002) have suggested that retrieval-induced forgetting (RIF) depends on conceptual memory because the effect is not found in perceptually driven tasks. In 3 experiments, the authors aimed to show that the presence of RIF depends on whether the procedure induces appropriate transfer(More)
The most frequent names in Spanish corresponding to a set of 247 pictures in the Snodgrass and Vanderwart (1980) norms were used as stimuli in a discrete free-association task. A sample of 525 Spanish-speaking participants provided the first word that came to mind for each of the verbal stimuli. Responses were organized according to frequency of production(More)
Two new, long-lasting phenomena involving modality of stimulus presentation are documented. In one series of experiments we investigated effects of modality of presentation on order judgments. Order judgments for auditory words were more accurate than order judgments for visual words at both the beginning and the end of lists, and the auditory advantage(More)
OBJECTIVES To study the effects of levodopa and walking speed on gait variability in individuals with Parkinson's disease (PD). METHODS Thirty-three individuals with PD were studied. Their mean age was 70.61±9.23 year. The average time since diagnosis was 9.65±5.80 year. Gait variability was studied while 'OFF' and 'ON' dopaminergic medication when the(More)
In the present study, we used the Deese/Roediger-McDermott paradigm to analyze the relationship between theme identifiability of word lists and false memories in adults and children. We conducted two normative studies to determine the identifiability levels for critical unpresented words in 40 associative lists in adults and in 16 associative lists in(More)
Two experiments attempted to resolve previous contradictory findings concerning developmental trends in false memories within the Deese-Roediger-McDermott (DRM) paradigm by using an improved methodology--constructing age-appropriate associative lists. The research also extended the DRM paradigm to preschoolers. Experiment 1 (N=320) included children in(More)
Two experiments were conducted to examine whether children of different ages differ in their ability to reject associative false memories with the Deese-Roediger-McDermott (DRM) paradigm. Two different types of manipulations that are thought to facilitate false memory rejection in adults-slowing the presentation rate and issuing explicit warnings-were(More)
Retrieval-induced forgetting (RIF) has been studied with different types of tests and materials. However, RIF has always been tested on the items' central features, and there is no information on whether inhibition also extends to peripheral features of the events in which the items are embedded. In two experiments, we specifically tested the presence of(More)
Many studies have shown that how words are processed in a variety of language-related tasks is affected by their age of acquisition (AoA). Most AoA norms have been collected for nouns, a fact that limits the extent to which verb stimuli can be adequately manipulated and controlled in empirical studies. With the aim of increasing the number of verbs with AoA(More)