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131.
132.
Emily K. Simpson Bridget G. Conniff Breanna N. Faber Evan K. Semmelhack 《Occupational Therapy in Mental Health》2018,34(3):203-227
Homelessness disrupts young people’s participation in the productive occupations that facilitate transition to adulthood, impairs social connections, and has a disorganizing effect on their time use. Semi-structured focus group interviews were used to explore how 19 homeless young people perceived their daily routines, meaningful occupations, and social participation to be impacted by the experience of homelessness. Occupational therapy practitioners can use the findings from this study to inform the development of comprehensive community-based programming aimed at increasing social opportunities, developing balanced, healthy routines, decreasing intrinsic and extrinsic barriers to residential stability, and promoting participation in productive and leisure occupations. 相似文献
133.
Contextual cuing refers to a response time (RT) benefit that occurs when observers search through displays that have been repeated over the course of an experiment. Although it is generally agreed that contextual cuing arises via an associative learning mechanism, there is uncertainty about the type(s) of process(es) that allow learning to influence RT. We contrast two leading accounts of the contextual cuing effect that differ in terms of the general process that is credited with producing the effect. The first, the expedited search account, attributes the cuing effect to an increase in the speed with which the target is acquired. The second, the decision threshold account, attributes the cuing effect to a reduction in the response threshold used by observers when making a subsequent decision about the target (e.g., judging its orientation). We use the diffusion model to contrast the quantitative predictions of these two accounts at the level of individual observers. Our use of the diffusion model allows us to also explore a novel decision-level locus of the cuing effect based on perceptual learning. This novel account attributes the RT benefit to a perceptual learning process that increases the quality of information used to drive the decision process. Our results reveal both individual differences in the process(es) involved in contextual cuing but also identify several striking regularities across observers. We find strong support for both the decision threshold account as well as the novel perceptual learning account. We find relatively weak support for the expedited search account. 相似文献
134.
Cognitive neuroscience investigations of self-experience have mainly focused on the mental attribution of features to the self (self-related processing). In this paper, we highlight another fundamental, yet neglected, aspect of self-experience, that of being an agent. We propose that this aspect of self-experience depends on self-specifying processes, ones that implicitly specify the self by implementing a functional self/non-self distinction in perception, action, cognition and emotion. We describe two paradigmatic cases - sensorimotor integration and homeostatic regulation - and use the principles from these cases to show how cognitive control, including emotion regulation, is also self-specifying. We argue that externally directed, attention-demanding tasks, rather than suppressing self-experience, give rise to the self-experience of being a cognitive-affective agent. We conclude with directions for experimental work based on our framework. 相似文献
135.
136.
Berman MG Nee DE Casement M Kim HS Deldin P Kross E Gonzalez R Demiralp E Gotlib IH Hamilton P Joormann J Waugh C Jonides J 《Cognitive, affective & behavioral neuroscience》2011,11(1):85-96
Individuals diagnosed with major depressive disorder (MDD) often ruminate about their depression and their life situations, impairing their concentration and performance on daily tasks. We examined whether rumination might be due to a deficit in the ability to expel negative information from short-term memory (STM), and fMRI was used to examine the neural structures involved in this ability. MDD and healthy control (HC) participants were tested using a directed-forgetting procedure in a short-term item recognition task. As predicted, MDD participants had more difficulty than did HCs in expelling negative, but not positive, words from STM. Overall, the neural networks involved in directed forgetting were similar for both groups, but the MDDs exhibited more spatial variability in activation in the left inferior frontal gyrus (a region critical for inhibiting irrelevant information), which may contribute to their relative inability to inhibit negative information. 相似文献
137.
People often behave differently when they know they are being watched. Here, we report the first investigation of whether such social presence effects also influence looking behavior--a popular measure of attention allocation. We demonstrate that wearing an eye tracker, an implied social presence, leads individuals to avoid looking at particular stimuli. These results demonstrate that an implied social presence, here an eye tracker, can alter looking behavior. These data provide a new manipulation of social attention, as well as presenting a methodological challenge to researchers using eye tracking. 相似文献
138.
This research examined partner and relationship perceptions and ideal standards in 100 individuals over time, from the 1st to the 12th month of their dating relationships. As expected, the results revealed that (a) individuals evaluated their relationships on both distinct evaluative components and global evaluative dimensions, (b) higher ideal-perception consistency was associated with higher perceived quality of relationships and partners, (c) more positive perceptions of partners and relationships at earlier points in time were associated with more importance being placed on relevant ideals over time but not vice versa, and (d) higher levels of ideal-perception consistency predicted lower rates of relationship dissolution but were mediated through perceptions of relationship quality. These results support the ideal standards model (Fletcher & Simpson, in press). 相似文献
139.
All writers produce text content and ideally connect it together according to discourse conventions. We investigate whether a particularly strong discourse convention, the need for causal coherence in narratives, can predict the kind of text writers will produce. Causality has been found to be a significant discourse factor in reading comprehension and hence can be expected to determine also what writers produce during composition. In Experiment 1, writers composed short continuations at various points throughout a simple narrative, whereas in Experiment 2, writers composed continuations to complete several narratives. The results indicate that causality indeed plays a major role in composition. Writers tend to produce new text in such a way that it is causally connected to the prior text. Furthermore, writers favored causal relations of necessity or of necessity and sufficiency while largely avoiding relations of sufficiency alone, which suggests a general discourse constraint to be maximally informative (e.g., Grice, 1975). 相似文献
140.
Healy AF Wohldmann EL Sutton EM Bourne LE 《Journal of experimental psychology. Learning, memory, and cognition》2006,32(3):534-546
In 3 experiments, participants, on signal, moved a cursor from a central position to 1 of 8 numerically labeled locations on the circumference of a clock face. Movements were controlled by a mouse in 1 of 4 conditions: vertical reversal, horizontal reversal, combined reversals, or normal (i.e., no reversals). Participants were trained in 1, 2, or 3 of these conditions and were tested 1 week later with either the same or a different condition. There were improvements across training and perfect retention across the delay. There was little or no transfer, however, even when training involved combined reversals or multiple conditions. These results illustrate severe specificity of training and are interpreted in terms of acquired inhibition of normal responses. 相似文献