This experiment was designed to examine the ability of older and younger adults to remember the source of information. Three types of source monitoring tasks were investigated: discriminating between externally derived and internally generated memories, discriminating between two types of internally generated memories, and discriminating between two types of externally derived memories. Relative to younger adults, older adults had more difficulty discriminating between memories of the same class (external-external and internal-internal), but they did not have more difficulty discriminating between memories of different classes (external-internal). These findings indicate that the age-related difficulty in remembering the source of information should not be characterized as a general deficit. Factors that may account for age deficits in source monitoring are discussed drawing upon the Johnson-Raye (1981) reality monitoring framework.
Older and younger adults' memory for perceived and imagined events was examined with a procedure in which everyday situations are simulated in the laboratory. Subjects perceived some situations and imagined others. Later, they were asked to rate their memory for various aspects of these situations (e.g., amount of perceptual detail, thoughts and feelings). A recall test followed the ratings. On the rating scale, for both perceived and imagined events, older subjects reported better memory for their thoughts and feelings than did younger subjects. In addition, on the recall test, older subjects produced more thoughts and feelings than did younger subjects, whereas younger subjects produced more perceptual and spatial information. These results suggest that older subjects may not inhibit personal information (e.g., thoughts and feelings), and this information may interfere with memory for other aspects of information, such as perceptual and contextual details (Hasher & Zacks, 1988).
The importance of cognitive styles as psychological antecedents of psychopathology has gained increasing acceptance over the past 2 decades. Although ample research has explored cognitive styles that confer vulnerability to depression, cognitive styles that confer vulnerability to anxiety have received considerably less attention. In the present investigation, we examined the looming maladaptive style (LMS) as a cognitive style that functions as a danger schema to produce specific vulnerability to anxiety, but not to depression. In 4 studies, we examined the psychometric properties of a revised measure of the LMS, its predictive utility, and its effects on threat-related schematic processing. Results provided evidence for the validity of the LMS and indicated that it predicts anxiety and schematic processing of threat over and above the effects of other cognitive appraisals of threat, even in individuals who are currently nonanx-Now I moved like a man pursued-pursued by the clock, by the ghastly advance of numbers. The earth turned, inexorably, the hour was approaching.-Umberto Eco, Foucault's Pendulum
Three experiments examined priming in partial-word identification (Warrington & Weiskrantz, 1968) and its relation to recognition memory. The results showed that changes in modality of presentation between study and test reduced performance on both identification and recognition. In contrast, changes in elaborative processing enhanced recognition but had no effect on identification. Furthermore, when explicit memory instructions were given, identification was changed to a cued recall test and was consequently affected by elaborative processing. We also found that the time course of forgetting in priming was different from that in recognition; priming in identification did not change over a 24-hr interval, whereas recognition declined rapidly during this interval. Overall, these results suggest that identification relies primarily on data-driven processing, whereas recognition can rely on both data-driven and conceptually driven processing.
This study examined the effects of aging on 2 kinds of implicit memory: repetition priming and skill learning. In Experiment 1, older adults showed less improvement in the skill of reading inverted words than did young adults, but priming performance did not differ for the 2 age groups. Similarly, in Experiment 2, in a partial-word identification task, skill learning was observed only for young adults, whereas there was no age difference in priming. Experiments la and 2a, however, showed that when older adults were presented with more perceptual information than were young adults, the age deficit in skill learning was eliminated. These results indicate that skill learning is impaired under data-limited conditions, whereas priming is unaffected under these conditions. It is proposed that the age deficit in skill learning is related to a deficit in perceptual organization and reorganization.
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