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31.
Sarah H. Creem-Regehr Brandon S. Payne Kristina M. Rand Grace Hansen 《Psychonomic bulletin & review》2014,21(2):398-405
How do body representations influence decisions about action? We developed a novel paradigm using the mirror illusion (Holmes, Crozier, & Spence, in Cognitive, Affective, & Behavioral Neuroscience, 4, 193–200, 2004) to examine two ways of evoking body plasticity—extension of body capabilities and visual capture—and its influence on perceived affordances. In two experiments, we manipulated the action capabilities of a seen left hand by lengthening the arm with a rod (Exp. 1) or enlarging the hand with a glove (Exp. 2). The right hand was unaltered physically and was occluded by placement in a mirror box. We induced visual capture through synchronous finger movements of both hands. Right-hand estimates of reaching and of fitting through apertures increased relative to actual capabilities during visual capture, supporting the claim that visual capture can induce the incorporation of an apparent body extension into action decisions. The results suggest that both perceptual and cognitive influences on bodily awareness underlie perceived affordances. 相似文献
32.
Pierre Victor Rousseau Jacques Francotte Maria Fabbricatore Caroline Frischen Delphine Duchateau Marie Perin Jean-Marie Gauthier Willy Lahaye 《Infant behavior & development》2014
Objective
To describe an immobility reaction (IR) that was not previously reported at or immediately after birth in human newborns.Method
We analyzed 31 videos of normal term vaginal deliveries recorded from Time 0 of birth defined as the as the moment that lies between the birth of the thorax and the pelvis of the infant. We searched for perinatal factors associated with newborn's IR.Results
IR at birth was observed in 8 of the 31 newborns. The main features of their behavior were immobilization, frozen face, shallow breathing and bradycardia. One of the 8 newborns had sudden collapse 2 h after birth. We found significant relationships between maternal prenatal stress (PS) and IR (p = .037), and a close to significant one between infants’ lividness at Time 0 and IR (p = .053). The first breath of the 31 newborns occurred before and was not associated with the first cry (p < .001).Discussion
The main features of IR at birth are similar to those of the universal most severe response to severe stress or danger. The relationship with PS suggests that children who had IR at birth might be at risk for similar disorders as those associated with PS. Sudden neonatal collapse of one of the IR newborns needs further research to determine if they are at risk for sudden infant death syndrome.Conclusion
This first report of an IR reaction at birth in human infants could open up new paths for improving early neonatal care. Further research is needed for maternal PS, stress hormones, umbilical cord blood pH measurements in IR newborns. The challenge of education and support for parents of IR newborns is outlined. 相似文献33.
Shifting attention is an effortful control process and incurs a cost on the cognitive system. Previous research suggests that rewards, such as monetary gains, will selectively enhance the ability to shift attention when this demand for control is explicitly cued. Here, we hypothesized that prospective monetary gains will selectively enhance the ability to shift attention even when control demand is unpredictable and not cued beforehand in a modality shift paradigm. In two experiments we found that target detection was indeed facilitated by reward signals when an unpredictable shift of attention was required. In these crossmodal trials the target stimulus was preceded by an unpredictive stimulus directing attention to the opposite modality (i.e., visual–auditory or auditory–visual). Importantly, there was no reward effect in ipsimodal trials (i.e., visual–visual or auditory–auditory). Furthermore, the absence of the latter effect could not be explained in terms of physical limits in speed of responding. Potential motivation of monetary rewards thus selectively translates into motivational intensity when control (i.e., switching) is demanded in unpredictable ways. 相似文献
34.
Todd S. Braver Marie K. Krug Kimberly S. Chiew Wouter Kool J. Andrew Westbrook Nathan J. Clement R. Alison Adcock Deanna M. Barch Matthew M. Botvinick Charles S. Carver Roshan Cools Ruud Custers Anthony Dickinson Carol S. Dweck Ayelet Fishbach Peter M. Gollwitzer Thomas M. Hess Derek M. Isaacowitz Mara Mather Kou Murayama Luiz Pessoa Gregory R. Samanez-Larkin Leah H. Somerville 《Cognitive, affective & behavioral neuroscience》2014,14(2):443-472
Recent years have seen a rejuvenation of interest in studies of motivation–cognition interactions arising from many different areas of psychology and neuroscience. The present issue of Cognitive, Affective, & Behavioral Neuroscience provides a sampling of some of the latest research from a number of these different areas. In this introductory article, we provide an overview of the current state of the field, in terms of key research developments and candidate neural mechanisms receiving focused investigation as potential sources of motivation–cognition interaction. However, our primary goal is conceptual: to highlight the distinct perspectives taken by different research areas, in terms of how motivation is defined, the relevant dimensions and dissociations that are emphasized, and the theoretical questions being targeted. Together, these distinctions present both challenges and opportunities for efforts aiming toward a more unified and cross-disciplinary approach. We identify a set of pressing research questions calling for this sort of cross-disciplinary approach, with the explicit goal of encouraging integrative and collaborative investigations directed toward them. 相似文献
35.
Using a collective case study ethnographic approach, nine individuals comprising three Mexican American families were interviewed about their family bereavement experiences after the death of a child. All families were Catholic, had surviving siblings, and had had three or more years to grieve their loss when interviewed. The deceased children ranged in age from 3 to 14, and all experienced sudden, traumatic, nonsuicide deaths. To provide a broader, contextual picture of their grief experiences, four individuals who supported these family members after the loss were also interviewed. Unique grief experiences were identified, and eight common themes emerged, reflecting the ways in which family members maintained their bond to the deceased: dreams, storytelling, keepsakes, sense of presence, faith-based connections, proximity connections, ongoing rituals, and pictorial remembrances. The cultural implications of family bereavement are highlighted. 相似文献
36.
- In recent years, much research has been concerned with the effects of sponsorships and the possible advantages a company can gain from engaging in sponsoring activities. Recently focus has been on the role, that sponsoring plays in branding strategy. Here it becomes important to understand exactly what a potential party to be sponsored contributes to the perception of a brand or a company. In this paper, the aim has been reversed to focus on the sponsored party. We propose a number of measurements to determine emotional responses and overall evaluations associated with a sponsored party who is a part of a sponsorship agreement with a company. Four different groups of parties to be sponsored are investigated: social aid organisations, culture, sport and TV‐programmes. Several interesting results emerged from this study; the parties to be sponsored were evaluated very differently on the dimensions used in the study and it is shown that a company can gain very different results depending on the type of object to choose to sponsor. Furthermore, it was shown that the overall evaluation of a party to be sponsored to a large extent is determined by emotions. Copyright © 2006 John Wiley & Sons, Ltd.
37.
Learning words: children disregard some pragmatic information that conflicts with mutual exclusivity
Children tend to infer that when a speaker uses a new label, the label refers to an unlabeled object rather than one they already know the label for. Does this inference reflect a default assumption that words are mutually exclusive? Or does it instead reflect the result of a pragmatic reasoning process about what the speaker intended? In two studies, we distinguish between these possibilities. Preschoolers watched as a speaker pointed toward (Study 1) or looked at (Study 2) a familiar object while requesting the referent for a new word (e.g. ‘Can you give me the blicket?’). In both studies, despite the speaker's unambiguous behavioral cue indicating an intent to refer to a familiar object, children inferred that the novel label referred to an unfamiliar object. These results suggest that children expect words to be mutually exclusive even when a speaker provides some kinds of pragmatic evidence to the contrary. 相似文献
38.
Differing profiles of developmental experiences across types of organized youth activities 总被引:1,自引:0,他引:1
This study inventoried the types of developmental and negative experiences that youth encounter in different categories of extracurricular and community-based organized activities. A representative sample of 2,280 11th graders from 19 diverse high schools responded to a computer-administered protocol. Youth in faith-based activities reported higher rates of experiences related to identity, emotional regulation, and interpersonal development in comparison with other activities. Sports and arts programs stood out as providing more experiences related to development of initiative, although sports were also related to high stress. Service activities were associated with experiences related to development of teamwork, positive relationships, and social capital. Youth reported all of these positive developmental experiences to occur significantly more often in youth programs than during school classes. 相似文献
39.
Belief in supernatural agents in the face of death 总被引:1,自引:0,他引:1
Four studies examined whether awareness of mortality intensifies belief in supernatural agents among North Americans. In Studies 1 and 2, mortality salience led to more religiosity, stronger belief in God, and in divine intervention. In Studies 3 and 4, mortality salience increased supernatural agent beliefs even when supernatural agency was presented in a culturally alien context (divine Buddha in Study 3, Shamanic spirits in Study 4). The latter effects occurred primarily among the religiously affiliated, who were predominantly Christian. Implications for the role of supernatural agent beliefs in assuaging mortality concerns are discussed. 相似文献
40.
Ruud Wetzels Joachim Vandekerckhove Eric-Jan Wagenmakers 《Journal of mathematical psychology》2010,54(1):14-27
The purpose of the popular Iowa gambling task is to study decision making deficits in clinical populations by mimicking real-life decision making in an experimental context. Busemeyer and Stout [Busemeyer, J. R., & Stout, J. C. (2002). A contribution of cognitive decision models to clinical assessment: Decomposing performance on the Bechara gambling task. Psychological Assessment, 14, 253-262] proposed an “Expectancy Valence” reinforcement learning model that estimates three latent components which are assumed to jointly determine choice behavior in the Iowa gambling task: weighing of wins versus losses, memory for past payoffs, and response consistency. In this article we explore the statistical properties of the Expectancy Valence model. We first demonstrate the difficulty of applying the model on the level of a single participant, we then propose and implement a Bayesian hierarchical estimation procedure to coherently combine information from different participants, and we finally apply the Bayesian estimation procedure to data from an experiment designed to provide a test of specific influence. 相似文献