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141.
Ulrich Mayr 《Cognitive psychology》2009,59(2):123-153
Recent evidence suggests substantial response-time costs associated with lag-2 repetitions of tasks within explicitly controlled task sequences [Koch, I., Philipp, A. M., Gade, M. (2006). Chunking in task sequences modulates task inhibition. Psychological Science, 17, 346-350; Schneider, D. W. (2007). Task-set inhibition in chunked task sequences. Psychonomic Bulletin & Review, 14, 970-976], a result that has been interpreted as inhibition of no-longer relevant tasks. Experiments 1-3 confirm much larger lag-2 costs under serial-control than under externally cued conditions, but also show (a) that these costs occur only when sequences contain at least two distinct chunks and (b) that direct lag-2 repetitions are not a necessary condition for their occurrence. This pattern suggests the hypothesis that rather than task-set inhibition, the large lag-2 costs observed in complex sequences, reflect interference resulting from links between positions within a sequential plan and the individual tasks controlled by this plan. The remaining experiments successfully test this hypothesis (Experiment 4), rule out chaining accounts as a potential alternative explanation (Experiment 5), and demonstrate that interference results from information stored in long-term memory rather than working memory (Experiment 6). Implications of these results for an integration of models of serial-order control and serial memory are discussed. 相似文献
142.
Tilsen S 《Cognitive Science》2009,33(5):839-879
Temporal patterns in human movement, and in speech in particular, occur on multiple timescales. Regularities in such patterns have been observed between speech gestures, which are relatively quick movements of articulators (e.g., tongue fronting and lip protrusion), and also between rhythmic units (e.g., syllables and metrical feet), which occur more slowly. Previous work has shown that patterns in both domains can be usefully modeled with oscillatory dynamical systems. To investigate how rhythmic and gestural domains interact, an experiment was conducted in which speakers performed a phrase repetition task, and gestural kinematics were recorded using electromagnetic articulometry. Variance in relative timing of gestural movements was correlated with variance in rhythmic timing, indicating that gestural and rhythmic systems interact in the process of planning and producing speech. A model of rhythmic and gestural planning oscillators with multifrequency coupling is presented, which can simulate the observed covariability between rhythmic and gestural timing. 相似文献
143.
Bishara AJ Pleskac TJ Fridberg DJ Yechiam E Lucas J Busemeyer JR Finn PR Stout JC 《决策行为杂志》2009,22(4):435-454
Performance on complex decision-making tasks may depend on a multitude of processes. Two such tasks, the Iowa Gambling Task (IGT) and Balloon Analog Risk Task (BART), are of particular interest because they are associated with real world risky behavior, including illegal drug use. We used cognitive models to disentangle underlying processes in both tasks. Whereas behavioral measures from the IGT and BART were uncorrelated, cognitive models revealed two reliable cross-task associations. Results suggest that the tasks similarly measure loss aversion and decision-consistency processes, but not necessarily the same learning process. Additionally, substance-using individuals (and especially stimulant users) performed worse on the IGT than healthy controls did, and this pattern could be explained by reduced decision consistency. 相似文献
144.
本研究采用外部情感西蒙任务(EAST),以36名大学生为被试对自我词及亲人、熟人、陌生人三种人际关系词与积极情感和消极情感的关系进行探究,从而检验个体对自我和不同人际关系对象的情感是否存在差序格局的表现形式。结果显示,在EAST中,对自我词和亲人词作积极反应比作消极反应时间更短;对陌生人词作消极反应比作积极反应时间更短;对熟人词作积极反应和消极反应的时间差异不明显。并且,自我词的EAST效应值最大,接着依次是亲人词和熟人词;陌生人词的EAST效应值为负值。表明了在个体的认知图式中,对自我、亲人持有积极的情感,而对陌生人持有消极的情感,对熟人情感偏向不明显;且不同人际关系在情感的联结强度上表现出差序格局的形式。 相似文献
145.
Bojana M. Dinić Snežana Smederevac Selka Sadiković Milan Oljača Nataša Vučinić Mechthild Prinz Zoran Budimlija 《Aggressive behavior》2020,46(6):489-497
The aim of this study was to explore genetic and environmental contributions to laboratory-induced aggressive behavior. On a sample of 478 adult twins (316 monozygotic), the Competitive Reaction Time Task was used for aggression induction. The results showed that the initial, basic level of aggression could be explained by both shared (45%) and nonshared environmental factors (55%), while only nonshared environmental factors (100%) had a significant influence on changes in aggression as provocation increased. Genetic factors had no influence on laboratory-induced aggression. The results highlight the importance of environmental factors in shaping situation-specific aggressive responses to provocation. 相似文献
146.
A Twenty Questions problem solving Task was given to 30 mentally retarded adults, 30 mentally nonretarded adults matched on chronological age, and 12 mentally nonretarded children matched on cognitive efficiency. Four strategies were identified on the basis of a subject-by-subject analysis. Results showed group differences of frequency in the use of the strategies. Moreover, results indicated that the more frequent strategy used by the mentally retarded adults is the one which consists in identifying the categories without using them to efficiently reduce the problem space. The interpretation of the results as reflecting a conceptual deficit or a chronicle cognitive sub-functioning of the mentally retarded adults depicted in the literature is discussed. 相似文献
147.
《Quarterly journal of experimental psychology (2006)》2013,66(7):1401-1419
In working memory (WM) span tests participants have to maintain to-be-remembered information while processing other, potentially distracting, information. Previous studies have shown that WM span scores are greater when span lists start with a long processing task and end with a short processing task than when these processing tasks are presented in the reverse order (e.g., Towse, Hitch, & Hutton, 2000). In Experiment 1, we obtained a similar stimulus order effect in a reasoning span test, using reasoning sentences that were equated for length in terms of the number of constituent words, but which differed in processing complexity; span scores were greater when lists began with a complex sentence and ended with a simple sentence than when this stimulus order was reversed. In Experiment 2, the stimulus order effect was not found when processing duration was held constant while sentence complexity was varied using a computer-paced moving window presentation paradigm. These results suggest that duration-based constraints can affect degree of forgetting independently of the load generated during processing phases in WM span performance and therefore imply that time-related forgetting can occur in WM span tests, particularly when the difficulty of the processing component blocks active maintenance of to-be-remembered material. 相似文献
148.
《Quarterly journal of experimental psychology (2006)》2013,66(12):2438-2454
In four experiments, a computerized Corsi-like paradigm was used to assess which of the many reference frames are used in visuospatial short-term memory. By varying the relative orientation (slanted +/–45° or in an upright position) of the head and the displays, we modulate the utility of the allocentric, egocentric (eye- and head-centred), and template-centred reference frames. The results of all experiments showed the crucial importance of the gravitational allocentric reference frames while using visuospatial short-term memory to retain a spatial sequence of elements. The results also provide some support for a mental rotation process involved in recognition following angular displacement of a multi-item display. 相似文献
149.
150.
Maternal mind-mindedness refers to mothers’ ability to reflect upon their infants’ mental states and respond appropriately. The present study assessed mind-mindedness longitudinally from the newborn period to the infant age of three months. The study is the first to assess maternal mind-mindedness in the infant’s early life prior to three months (one week, one month, two months, three months). To measure maternal mind-mindedness, mothers’ speech to their infants is coded for mental state comments about the infants’ thoughts, desires, and emotions. Appropriate mind-minded comments are judged to accurately reflect the infants’ mental states; non-attuned mind-minded comments are judged to misinterpret the infants’ mental states. Mothers’ individual stability (rank order stability) and group level continuity (mean level of stability across the infant ages) were assessed. Mothers showed modest temporal stability in both appropriate and non-attuned mind-mindedness over the infants’ first three months. The continuity of mind-mindedness showed that appropriate mind-mindedness increased over the infant ages, but non-attuned mind-mindedness showed no change. In infants’ early lives, mothers’ ability to accurately interpret their infants’ mental states is enhanced as the mother-infant relationship develops and infants become more communicative partners. 相似文献