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221.
Misattribution of remembered information from one source to another is commonly associated with false memories, but we demonstrate that it also may underlie memories that accord with past events. Participants imagined drawings of objects in four different locations. For each, a drawing of a similarly shaped object was seen in the same location, a different location, or not seen. When tested on memory for objects' origin (seen/imagined) and location, more false "seen" responses, but also more correct location responses, were given to imagined objects if a similar object had been seen, versus not seen, in the same location. We argue that misattribution of feature information (e.g., shape, location) from seen objects to similar imagined ones increased false memories of seeing objects but also increased correct location memories, provided the misattributed location matched the imagined objects' location. Thus, consistent with the source-monitoring framework, imperfect source-attribution processes underlie false and true memories. 相似文献
222.
Investigations of language processing in aphasia have increasingly implicated performance factors such as slowed activation and/or rapid decay of linguistic information. This approach is supported by studies utilizing a communication system (SentenceShaper) which functions as a "processing prosthesis." The system may reduce the impact of processing limitations by allowing repeated refreshing of working memory and by increasing the opportunity for aphasic subjects to monitor their own speech. Some aphasic subjects are able to produce markedly more structured speech on the system than they are able to produce spontaneously, and periods of largely independent home use of SentenceShaper have been linked to treatment effects, that is, to gains in speech produced without the use of the system. The purpose of the current study was to follow up on these studies with a new group of subjects. A second goal was to determine whether repeated, unassisted elicitations of the same narratives at baseline would give rise to practice effects, which could undermine claims for the efficacy of the system. 相似文献
223.
Timothy D. Sweeny Marcia Grabowecky Satoru Suzuki Ken A. Paller 《Consciousness and cognition》2009,18(4):929-938
Unconscious processing of stimuli with emotional content can bias affective judgments. Is this subliminal affective priming merely a transient phenomenon manifested in fleeting perceptual changes, or are long-lasting effects also induced? To address this question, we investigated memory for surprise faces 24 h after they had been shown with 30-ms fearful, happy, or neutral faces. Surprise faces subliminally primed by happy faces were initially rated as more positive, and were later remembered better, than those primed by fearful or neutral faces. Participants likely to have processed primes supraliminally did not respond differentially as a function of expression. These results converge with findings showing memory advantages with happy expressions, though here the expressions were displayed on the face of a different person, perceived subliminally, and not present at test. We conclude that behavioral biases induced by masked emotional expressions are not ephemeral, but rather can last at least 24 h. 相似文献
224.
Marcia A. Finkelstien 《Personality and individual differences》2009,46(5-6):653-658
The present study incorporated the constructs of intrinsic and extrinsic motivation into an investigation of dispositional factors that contribute to volunteering. Recent research has conceptualized motivational tendencies as akin to personality variables, stable across time and situations. Volunteer motives, volunteer role identity, and prosocial personality were assessed, along with motivational orientation and time devoted to volunteering. Intrinsic motivation was positively associated with a volunteer self-concept, prosocial personality, volunteer time, and motive strength. This was particularly true for “internal” motives, those that are satisfied by the volunteer activity itself. Extrinsic orientation was most closely associated with “external” motives (specifically career aspirations), which require an outcome separate from the volunteer work in order to be fulfilled. The study was the first to consider constructs from the prevailing conceptual view of the volunteer process in the context of motivational orientation. The wider theoretical perspective offers insight into human behavior beyond volunteerism. 相似文献
225.
Dominik Rüegger Mirjam Stieger Marcia Nißen Mathias Allemand Elgar Fleisch Tobias Kowatsch 《欧洲人格杂志》2020,34(5):687-713
Smartphones promise great potential for personality science to study people's everyday life behaviours. Even though personality psychologists have become increasingly interested in the study of personality states, associations between smartphone data and personality states have not yet been investigated. This study provides a first step towards understanding how smartphones may be used for behavioural assessment of personality states. We explored the relationships between Big Five personality states and data from smartphone sensors and usage logs. On the basis of the existing literature, we first compiled a set of behavioural and situational indicators, which are potentially related to personality states. We then applied them on an experience sampling data set containing 5748 personality state responses that are self-assessments of 30 minutes timeframes and corresponding smartphone data. We used machine learning analyses to investigate the predictability of personality states from the set of indicators. The results showed that only for extraversion, smartphone data (specifically, ambient noise level) were informative beyond what could be predicted based on time and day of the week alone. The results point to continuing challenges in realizing the potential of smartphone data for psychological research. © 2020 The Authors. European Journal of Personality published by John Wiley & Sons Ltd on behalf of European Association of Personality Psychology 相似文献
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228.
Stereotype threat research has shown that being a member of a negatively stereotyped group may result in impaired performance on tests of skills thought to be relevant to the stereotype. This study investigated whether stereotype threat influences gender differences in performance on a novel test of visuospatial ability. Undergraduates ( N = 194) were told that men outperform women on the test (explicit threat), were given no gender-relevant information (implicit threat), or were told that men and women do not differ (nullified stereotype). Although men outperformed women in the explicit and implicit stereotype threat groups, women's performance did not differ significantly from men's when told there is no gender difference. The effect was most pronounced for difficult line judgments. Although stereotypes regarding visuospatial ability may be less culturally salient than those of other cognitive abilities, these findings suggest that they influence performance nonetheless. Implications for optimizing cognitive test performance are discussed. 相似文献
229.
Pigeons were trained to locate food in two geometrically equivalent corners of a parallelogram-shaped enclosure. Both the
angular amplitude of the corners and the length of the walls alone were sufficient for successfully completing the task. Following
training, birds were tested in three separate conditions that manipulated the geometric information available. During tests
in both a rectangular-shaped enclosure that preserved the wall length information but not the angular amplitude, and a rhombus-shaped
enclosure that did the opposite, pigeons located their goal corners with a high degree of accuracy, indicating an ability
to use both types of geometric information in isolation. This result is consistent with prior research with domestic chicks.
However, in a conflict test in a reverse parallelogram-shaped enclosure, in which the correct angular location was paired
with an incorrect wall length location, birds showed a preference for the correct angular location. This suggests that pigeons
weight angles more heavily than wall lengths in this type of navigation task, which differs from findings in a similar task
conducted with the domestic chick. Results in the conflict test also suggest that pigeons did not use the principal axis as
their main strategy of small-scale navigation. 相似文献
230.
Meera Adya Deepti Samant Marcia J. Scherer Mary Killeen Michael W. Morris 《Cognitive processing》2012,13(1):75-78
The United Nation’s Millennium Development Goals do not explicitly articulate a focus on disability; similar failures in the past resulted in research, policy, and practice that are not generalizable and did not meet the needs of persons with disabilities since they were developed for an “average” population. Academics and professionals in health and other disciplines should have a knowledge base in evidence-based practices that improve well-being and participation of people with disabilities through effective service delivery of assistive technology. Grounded by a theoretical framework that incorporates a multivariate perspective of disability that is acknowledged in the convention on the rights of persons with disabilities and the World Health Organization’s International Classification of Functioning, Disability and Health, we present a review of models of assistive technology service delivery and call for future syntheses of the fragmented evidence base that would permit a comparative effectiveness approach to evaluation. 相似文献