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61.
Hazeltine E Aparicio P Weinstein A Ivry RB 《Journal of experimental psychology. Human perception and performance》2007,33(6):1451-1467
This study examined the representational nature of configural response learning using a task that required simultaneous keypresses with 2 or 3 fingers, similar to the production of chords on the piano. If the benefits of learning are related to the retrieval of individual stimulus-response mappings, performance should depend on the frequencies of the individual responses forming each chord. Alternatively, learning may involve the encoding of configural information concerning the relationship between the chord elements. In Experiment 1, training was restricted to a subset of the 120 possible 3-element chords. Probe blocks included the practiced chords, chords composed of novel configurations of practiced elements (reconfigured), and chords that contained a new element (new). Practiced chords were performed faster than reconfigured chords, indicating learning involves the encoding of configural information. Experiment 2 showed that learning was not restricted to configurations within each hand. Experiments 3 and 4 demonstrated that learning was largely response based. 相似文献
62.
Young (aged 18-23), young-old (aged 61-73), and old-old (aged 75-89) adults saw general knowledge questions whose answers were designated target words. Participants responded that they knew, did not know, or were having a tip-of-the-tongue (TOT) state for the answer. After TOT states, participants saw a 5-word list in which 1 was a "prime" containing the target's first syllable and that shared or differed in part of speech from the target. The question was then presented again, and target retrieval was attempted. Results revealed age differences in resolution of TOT states as a function of the prime's grammatical class. Following different part-of-speech primes, young and young-old adults showed increased resolution of TOT states relative to phonologically unrelated words, whereas old-old adults did not. In contrast, old-old adults demonstrated decreased resolution of TOT states following same part-of-speech primes, whereas young and young-old adults' TOT resolution was unaffected. These findings are consistent with interactive activation theories of speech production in which phonology can influence lexical selection and also suggest an increased susceptibility to phonological competitors in the later stages of the aging process. 相似文献
63.
This article proposes 2 new approaches to test a nonzero population correlation (rho): the hypothesis-imposed univariate sampling bootstrap (HI) and the observed-imposed univariate sampling bootstrap (OI). The authors simulated correlated populations with various combinations of normal and skewed variates. With alpha set=.05, N> or =10, and rho< or =0.4, empirical Type I error rates of the parametric r and the conventional bivariate sampling bootstrap reached .168 and .081, respectively, whereas the largest error rates of the HI and the OI were .079 and .062. On the basis of these results, the authors suggest that the OI is preferable in alpha control to parametric approaches if the researcher believes the population is nonnormal and wishes to test for nonzero rhos of moderate size. 相似文献
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Mark Eliot Paris 《Journal of constructivist psychology》2013,26(2):181-189
In his own somewhat sly and sardonic way, George Kelly always insisted that personal construct theory could not be assimilated into any other kind of psychology. We believe this was not an example of Kelly being difficult or protecting his turf, but that he resisted such efforts at categorization because he formulated personal construct psychology from an entirely different set of assumptions than those which have traditionally guided the construction of psychological theories. We begin by looking at the unusual life path Kelly took in order to enter the field of psychology and what it reveals about the independent turn of mind he brought to creating his own theory of personality. We then examine what we believe is the single most important influence on Kelly's thinking—the tradition of American pragmatism, in general, and the philosophy and psychology of John Dewey, in particular. We argue that Kelly embraced the pragmatic epistemological assumptions that guided Dewey's work, and that he used these assumptions to develop the only pragmatic theory of personality and psychotherapy. It is, in fact, the influence of Dewey and the pragmatists that makes personal construct psychology so different from and, at times, more difficult to understand than other, more traditional, “realist” theories, but it is also this pragmatic orientation that makes Kelly's theory such an important contribution. 相似文献
67.
Conceptualization of task boundaries preserves implicit sequence learning under dual-task conditions
Kimberly M. Halvorson Tana Truelove Wagschal Eliot Hazeltine 《Psychonomic bulletin & review》2013,20(5):1005-1010
Implicit learning in the serial reaction time (SRT) task is sometimes disrupted by the presence of a secondary distractor task (e.g., Schumacher & Schwarb Journal of Experimental Psychology: General 138:270–290, 2009) and at other times is not (e.g., Cohen, Ivry, & Keele Journal of Experimental Psychology: Learning, Memory, and Cognition 16:17–30, 1990). In the present study, we used an instructional manipulation to investigate how participants’ conceptualizations of the task affect sequence learning under dual-task conditions. Two experimental groups differed only in terms of the instructions and presequence training. One group was instructed that they were completing two separate tasks, whereas the other group was instructed that they were performing a single, integrated task. The separate group showed sequence learning, while the integrated group did not. These findings suggest that the conceptualization of task boundaries affects the availability of the sequential information necessary for implicit learning. 相似文献
68.
Susan A. Leon Lori J. P. Altmann Lise Abrams Leslie J. Gonzalez Rothi Kenneth M. Heilman 《Neuropsychology, development, and cognition. Section B, Aging, neuropsychology and cognition》2013,20(6):807-822
ABSTRACTCreative production has been reported to decline with age. This study investigated age-related differences in creative verbal production. Participants were 30 younger and 30 older adults. Study testing included language and cognitive assessments and the experimental task wherein participants created short stories incorporating words that are not commonly related, semantically or associatively. The resulting stories were rated by independent blinded judges for originality, cohesion, appropriateness, and organization. Younger adults' stories were rated as being significantly more original and more appropriate. Integrating unrelated words to create original stories requires activating widely distributed lexical-semantic networks to develop novel associations. Potential decreased neural network connectivity due to white matter degradation, commonly seen in normal aging, as well as decrements in front-executive disengagement may have affected older adults' performance on this story creation task. Future research using neuroimaging may elucidate possible neuroanatomic correlates of age-related changes in associative creative production.. 相似文献
69.
Costina Ruxandra Păsărelu Gerhard Andersson Lise Bergman Nordgren 《Cognitive behaviour therapy》2017,46(1):1-28
Anxiety and depressive disorders are often comorbid. Transdiagnostic and tailored treatments seem to be promising approaches in dealing with comorbidity. Although several primary studies have examined the effects of Internet-delivered cognitive behavior therapy (iCBT) for anxiety and depression, no meta-analysis including different types of iCBT that address comorbidity has been conducted so far. We conducted systematic searches in databases up to 1 July 2016. Only randomized trials comparing transdiagnostic/tailored iCBT for adult anxiety and/or depression with control groups were included. Nineteen randomized trials with a total of 2952 participants that met inclusion criteria were analyzed. The quality of the studies was high, however the blinding criteria were not fulfilled. The uncontrolled effect size (Hedges’ g) of transdiagnostic/tailored iCBT on anxiety and depression outcomes was large and medium for quality of life. The controlled effect size for iCBT on anxiety and depression outcomes was medium to large (anxiety: g = .82, 95% CI: .58–1.05, depression: g = .79, 95% CI: .59–1.00) and medium on quality of life (g = .56, 95% CI: .37–.73). Heterogeneity was small (quality of life) to moderate (anxiety, depression). There was a large effect on generic outcome measures and a moderate effect on comorbidities. When compared to disorder-specific treatments there were no differences on anxiety and quality of life outcomes, however there were differences in depression outcomes. Transdiagnostic and tailored iCBT are effective interventions for anxiety disorders and depression. Future studies should investigate mechanisms of change and develop outcome measures for these interventions. 相似文献
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