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71.
Mahoney Amanda Weetjens Bart J. Cox Christophe Jubitana Maureen Kazwala Rudovic Mfinanga Godfrey S. Durgin Amy Poling Alan 《The Psychological record》2013,63(1):21-26
Previous studies have shown that pouched rats can detect the presence of Mycobacterium tuberculosis, which causes tuberculosis, in human sputum samples obtained from clinical facilities. Although pouched rats evaluate sputum samples quickly, preparing the samples is relatively slow. The present study evaluated whether the rats can detect tuberculosis in microscope slides, which are routinely prepared at these facilities. Results indicate that they can do so, but their accuracy is considerably lower than that of rats exposed to pots containing sputum, as in prior studies.
相似文献72.
Talar M. Hopyan-Misakyan Karen A. Gordon Maureen Dennis Blake C. Papsin 《Child neuropsychology》2013,19(2):136-146
Cochlear implant (CI) devices provide the opportunity for children who are deaf to perceive sound by electrical stimulation of the auditory nerve, with the goal of optimizing oral communication. One part of oral communication concerns meaning, while another part concerns emotion: affective speech prosody, in the auditory domain, and facial affect, in the visual domain. It is not known whether childhood CI users can identify emotion in speech and faces, so we investigated speech prosody and facial affect in children who had been deaf from infancy and experienced CI users. METHOD: Study participants were 18 CI users (ages 7–13 years) who received right unilateral CIs and 18 age- and gender-matched controls. Emotion recognition in speech prosody and faces was measured by the Diagnostic Analysis of Nonverbal Accuracy. RESULTS: Compared to controls, children with right CIs could identify facial affect but not affective speech prosody. Age at test and time since CI activation were uncorrelated with overall outcome measures. CONCLUSION: Children with right CIs recognize emotion in faces but have limited perception of affective speech prosody. 相似文献
73.
What underlies children's understanding of artifacts? Studies suggest that beginning around age 7, people reason about artifacts in terms of the inventor's purpose—termed the design stance. Our two studies emphasize another component of artifact understanding—the cultural nature of artifacts—by demonstrating people's sensitivity to an artifact's conventional use. In past studies participants were shown a novel artifact and told that someone invented it for a certain purpose and that later another person used it for a different purpose. Here we demonstrate that if participants are told that many people, as opposed to just one person, use an artifact differently, 5-year-olds, 7-year-olds, and adults do not strictly judge the artifact in terms of its invented purpose. We conclude that people's conceptions of artifacts are more complex and dynamic than has been suggested. 相似文献
74.
Lawrence E. M. Grierson Simran Ohson James Lyons 《Attention, perception & psychophysics》2013,75(8):1906-1913
Humans are able to perceive unique types of biological motion presented as point-light displays (PLDs). Thirty years ago, Runeson and Frykholm (Human Perception and Performance, 7(4), 733, 1981, Journal of Experimental Psychology: General, 112(4), 585, 1983) studied observers’ perceptions of weights lifted by actors and identified that the kinematic information in a PLD is sufficient for an observer to form an accurate perception of the object weight. However, research has also shown that extrinsic object size characteristics also influence the perception of object weight (Gordon, Forssberg, Johansson, & Westling in Experimental Brain Research, 83(3), 477–482, 1991). This study addresses the relative contributions of these two types of visual information to observers’ perceptions of lifted weight, through an experiment in which participants viewed an actor lifting boxes of various sizes (small, medium, or large) and weights (25, 50, or 75 lb) under four PLD conditions—box-at-rest, moving-box, actor-only, and actor-and-box—and one full-vision video condition, and then provided a weight estimate for each box lifted. The results indicated that lift kinematics and box size contributed independently to weight perception. Interestingly, the most robust weight differentiations were elicited in the conditions in which both types of information were presented concurrently, despite their converse natures. Furthermore, full-vision video presentation, which contained visual information beyond kinematics and object information, elicited the best estimates. 相似文献
75.
Is the religious questing orientation an unprejudiced orientation that shows tolerance for people to a degree that suggests universal, rather than circumscribed, compassion? To answer this question, 90 undergraduates were given the opportunity to help either of two peers win a monetary prize. The identity of one of the peers was manipulated across two conditions: he or she was presented as holding a religious fundamentalist belief style or belief style unspecified. The purpose of the monetary prize was also varied across two conditions: an activity that either would or would not promote religious fundamentalist behavior. Participants scoring high in religious questing helped the discloser who held a religious fundamentalist belief style less than the discloser who did not, irrespective of whether they promoted religious fundamentalist behavior or not. These results suggest that the questing orientation is associated with prejudice toward the value‐violating person when the salient person value violates the open‐minded belief style of the questing orientation. 相似文献
76.
A sense of self arises through social interaction and discourse, and this process of self-construction might have physiological correlates. We argue that cardiovascular reactivity (CVR) during communication is related to the salience of subjectivity and self-construction processes. We expected that the context in which a conversation occurs, the extent of disclosure during talk, and speakers' conversational histories (past conversational experience and past tendency to disclose) would be related to CVR. Women ( N = 44) engaged in talk to either a friend or a stranger about a personally relevant topic. Among low disclosers, extent of disclosure was positively related to CVR, while this effect was reversed for high disclosers. Low disclosers who tend not to disclose much but who usually feel comfortable conversing exhibited the largest cardiovascular responses. The findings highlight the importance of past social behavior and language use for physiological processes. 相似文献
77.
Sources of variability in sequelae of very low birth weight. 总被引:5,自引:0,他引:5
H Gerry Taylor Christopher J Burant Penny A Holding Nancy Klein Maureen Hack 《Child neuropsychology》2002,8(3):163-178
Few investigations have examined the specificity of sequelae of very low birth weight (VLBW, <1500 g) or sources of variability in outcome. To better understand the nature and determinants of outcome, we assessed neuropsychological and achievement skills at mean age 11 years in 62 children with <750 g birth weight, 54 with 750-1499 g birth weight, and 66 term-born controls. Distinct cognitive constructs were identified by factor analysis, and the three birthweight groups were compared on these constructs and on composite measures of achievement. Although the group with <750 g birth weight performed less well on all tests than term-born controls, group differences in a perceptual planning factor and in mathematics remained even when IQ was controlled, and deficits were more pronounced in mathematics than in reading. Results from structural equation modeling were consistent with the hypothesis that neuropsychological skills mediated the relationship between birth weight and achievement. The findings confirm the differential deficit hypothesis, support the need to consider multiple sources of variability in VLBW outcomes, and highlight the importance of neuropsychological constructs in developing an explanatory framework. 相似文献
78.
Jacob Jacoby Maureen Morrin James Jaccard Zeynep Gurhan Alfred Kuss Durairaj Maheswaran 《Journal of Consumer Psychology》2002,12(1):21-34
Consistent with calls for a dynamical social psychology (Jacoby et al., 1987; Nowak, Lewenstein, & Vallacher, 1994), attitude formation was studied using a recently developed, computer‐based simulation technique termed Higher Order Cognitive Tracing (see Jacoby et al., 1994). Participants’ attitudes toward 12 different products in 3 product categories were investigated as a function of incremental information input. As opposed to traditional memory‐based models of attitude formation, the study explored online processing models. Results indicate that the impact of information tends to decrease the later in the sequence that information is accessed. In addition, new information that is affectively inconsistent with prior information tends to have a greater impact on attitudes than information that is affectively redundant. This effect is more pronounced earlier rather than later in the sequence of information acquisition. Implications and suggestions for future research are discussed. 相似文献
79.
Sarah J. Cotton Maureen F. Dollard Jan de Jonge 《International journal of stress management》2002,9(3):147-162
It is imperative that the university environment be supportive and capable of nurturing optimal learning and performance in students. Using job design and work stress theories, the study assessed relationships between psychosocial work characteristics, well-being and satisfaction, and performance in a random sample survey of Australian university students (N = 176). Methodological improvements were a time lag between survey and performance measures, an objective measure of performance, and LISREL structural equation modeling. Results showed high levels of psychological distress and low levels of satisfaction, both linked to high demands combined with low control. In accord with the happy-productive student hypothesis, satisfaction mediated the impact of the work environment on performance. Reengineering the design of the student work environment may therefore improve performance outcomes (student grades) through enhancing satisfaction. 相似文献
80.
Kristin L. Croyle Alexander I. Tröster Julie A. Fields Kristy A. Straits-Tröster Kelly E. Lyons Rajesh Pahwa 《Journal of clinical psychology in medical settings》2003,10(2):101-107
This study describes utilization of coping strategies and evaluates the interaction between coping strategies, depression, and quality of life (QOL) in patients with Parkinson's disease (PD) who are being considered for neurosurgical intervention. Eighty patients (mean age 61.7 years) with PD being evaluated for possible deep brain stimulation completed self-report instruments of coping strategies (Coping Responses Inventory), depression (Beck Depression Inventory), and disease-specific QOL (Parkinson's Disease Questionnaire-39). Analyses showed that patients with PD cope with the acute stressor of approaching neurosurgery through a variety of strategies, but particularly avoidant and behavioral strategies. When the correlated but apparently opposing effects of cognitive and behavioral strategies were teased apart, greater use of cognitive strategies was associated with more severe depressive symptomatology (and poorer QOL), while greater use of behavioral strategies appeared to be associated with less depression. Depressive symptomatology, in turn, was associated with poorer QOL. However, coping had minimal direct association with QOL. From this it was concluded that patients with advanced PD generate a variety of coping responses to an acute stressor such as surgery, and the use of behavioral strategies, in particular seeking of alternative enjoyable activities, may be associated with better mood if salutary effects are not overwhelmed by less helpful cognitive coping techniques. The minimization of depressive symptomatology, in turn, is associated with better QOL. 相似文献