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781.
Human social, cognitive, and linguistic functioning depends on skills for rapidly processing action. Identifying distinct acts within the dynamic motion flow is one basic component of action processing; for example, skill at segmenting action is foundational to action categorization, verb learning, and comprehension of novel action sequences. Yet little is currently known about mechanisms that may subserve action segmentation. The present research documents that adults can register statistical regularities providing clues to action segmentation. This finding provides new evidence that structural knowledge gained by mechanisms such as statistical learning can play a role in action segmentation, and highlights a striking parallel between processing of action and processing in other domains, such as language. 相似文献
782.
Altered vision near the hands 总被引:1,自引:0,他引:1
The present study explored the manner in which hand position may affect visual processing. We studied three classic visual attention tasks (visual search, inhibition of return, and attentional blink) during which the participants held their hands either near the stimulus display, or far from the display. Remarkably, the hands altered visual processing: people shifted their attention between items more slowly when their hands were near the display. The same results were observed for both visible and invisible hands. This enhancement in vision for objects near the hands reveals a mechanism that could facilitate the detailed evaluation of objects for potential manipulation, or the assessment of potentially dangerous objects for a defensive response. 相似文献
783.
Individuals with autism show a complex profile of differences in imitative ability, including a general deficit in precision of imitating another’s actions and special difficulty in imitating nonmeaningful gestures relative to meaningful actions on objects. Given that they also show atypical patterns of visual attention when observing social stimuli, we investigated whether possible differences in visual attention when observing an action to be imitated may contribute to imitative difficulties in autism in both nonmeaningful gestures and meaningful actions on objects. Results indicated that (a) a group of 18 high-functioning 8- to 15-year-olds with autistic disorder, in comparison with a matched group of 13 typically developing children, showed similar patterns of visual attention to the demonstrator’s action but decreased attention to his face when observing a model to be imitated; (b) nonmeaningful gestures and meaningful actions on objects triggered distinct visual attention patterns that did not differ between groups; (c) the autism group demonstrated reduced imitative precision for both types of imitation; and (d) duration of visual attention to the demonstrator’s action was related to imitation precision for nonmeaningful gestures in the autism group. 相似文献
784.
When facing a decision, people often rely on advice received from others. Previous studies have shown that people tend to discount others’ opinions. Yet, such discounting varies according to several factors. This paper isolates one of these factors: the cost of advice. Specifically, three experiments investigate whether the cost of advice, independent of its quality, affects how people use advice. The studies use the Judge–Advisor System (JAS) to investigate whether people value advice from others more when it costs money than when it is free, and examine the psychological processes that could account for this effect. The results show that people use paid advice significantly more than free advice and suggest that this effect is due to the same forces that have been documented in the literature to explain the sunk costs fallacy. Implications for circumstances under which people value others’ opinions are discussed. 相似文献
785.
Kelly Manley Belva C. Collins Donald M. Stenhoff Harold Kleinert 《Journal of Behavioral Education》2008,17(3):221-236
Using the telephone to contact others can be an important skill in maintaining friendships with peers. This investigation
used a system of least prompts (SLP) procedures to teach two telephone skills to 3 elementary students with cognitive disabilities:
(a) placing phone calls and (b) leaving recorded voicemail messages. The SLP procedure was effective in teaching both skills
to all 3 students. Results for maintenance and generalization, however, were mixed.
This investigation was completed to partially satisfy the thesis requirement for a Master’s degree at the University of Kentucky. 相似文献
786.
Ryan T. Tolman Charles W. Mueller Eric L. Daleiden Roxanna E. Stumpf Sarah L. Pestle 《Journal of child and family studies》2008,17(6):894-908
We examined client outcomes from the implementation of Multisystemic Therapy (MST) in a statewide child and adolescent mental
health system. Specifically, we examined (1) the validity of therapist-rated MST outcome measures by comparing them to ratings
of functional impairment and level of service needs by CAMHD care coordinators, who provide case management and care coordination
services, (2) potential client and service predictors of therapist-rated outcomes, and (3) improvement in youth functioning
around the time of entry to and exit from MST compared with rates of improvement reported in randomized controlled trials
(RCTs) by the developers of MST. Results suggested that therapist-rated MST outcomes were valid indicators of treatment success.
Similar to other findings in the MST literature, few client or service characteristics predicted these outcomes. Finally,
although MST entry–exit effect sizes were lower than the mean derived from RCTs published by the developers, they were within
the 95% confidence interval. Together, these findings support the implementation of MST in complex systems of care with continued
attention to quality assurance and ongoing use of data for evaluation. 相似文献
787.
Intentional binding refers to subjective temporal attraction between an action and its outcome. However, the nature of intentional binding in multiple actions remains unclear. We examined intentional binding in alternated action–outcome dyads. Participants actively or passively pressed a key, followed by a tone, and they again pressed the key; resulting in four keypress–tone dyads in a trial. Participants reproduced the duration of alternated keypress–tone dyads or the temporal interval between a dyad embedded in the alternations. The reproduced duration was shorter in the active than in the passive condition, suggesting the intentional binding in action–outcome alternations. In contrast, the reproduced interval between a dyad was longer in the active condition and did not correlate with the reproduced duration. These results suggest that subjective time during actions relies not only on an internal clock but also on postdictive biases that are switched based on what we recall. 相似文献
788.
Jillian C. Shipherd Danielle Berke Nicholas A. Livingston 《Cognitive and behavioral practice》2019,26(4):629-646
Transgender and gender diverse (TGD) populations, including those that do not identify with gender binary constructs (man or woman) are increasingly presenting for treatment of posttrauma sequelae. Providers who offer services for trauma survivors including posttraumatic stress disorder (PTSD) treatment should be knowledgeable about evidence-based care and have some cultural familiarity with TGD experiences. Indeed, the Minority Stress Model suggests that the combination of distal and proximal minority stressors can combine to produce increased mental health symptoms as compared with cisgender peers, though this model has yet to be fully tested. Clients often present with a complicated picture of experiences, which include a variety of minority stressors, microaggressions, discrimination, and traumatic events that can all be related to their identity. However, conceptualizations of trauma treatment in the context of extensive minority stress are lacking. This paper summarizes the existing literature and offers guidance to mental health providers who are well positioned to address stigma, discrimination, violence, and related symptoms that arise from micro-, mezzo- and macro-level spheres of TGD individuals’ experience. 相似文献
789.
Internet of Video Things (IoVT) has been proposed and studied as a scenario where video cameras are ubiquitous and continuously acquiring data from their surroundings. In order to enable handling of a large amount of data generated in IoVT architectures, robust autonomous video processing must be performed. An important application is the recognition of different actions performed by humans in the context of security. This research evolves a previously published work, by reducing the input dimensionality to the recognition system, making it more robust to variations in the position of the body in each video frame, and by using a Multilayer Perceptron Artificial Neural Network whose hyperparameters are here optimized by a Genetic Algorithm. Significant improvements in the recognition rate have been obtained, despite the use of a more straightforward pre-processing phase and the increase in the number of viewpoints from the video cameras. 相似文献
790.
《Psychologie du Travail et des Organisations》2019,25(2):100-115
More and more often quality of life at work (QWL) is considered as an alternative or a complementary approach to that of psychosocial risks. However, the vagueness surrounding the concept of QWL is not conducive to its use for prevention of burnout. This article presents a theoretical model for an operational definition of QWL as well as the resulting instrument: the Quality of Work life Systemic Inventory. The results obtained in a sample of community workers reveal that when the overall QWL score is below the 25th percentile (reference population of 3500 workers), the risk of emotional exhaustion is 4.06 times higher and the risk of emotional exhaustion is 4.06 times higher. disengagement 5.86 times higher. 相似文献