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101.
Parametric induction of animacy experience 总被引:2,自引:1,他引:1
Graphical displays of simple moving geometrical figures have been repeatedly used to study the attribution of animacy in human observers. Yet little is known about the relevant movement characteristics responsible for this experience. The present study introduces a novel parametric research paradigm, which allows for the experimental control of specific motion parameters and a predictable influence on the attribution of animacy. Two experiments were conducted using 3D computer animations of one or two objects systematically introducing variations in the following aspects of motion: directionality, discontinuity and responsiveness. Both experiments further varied temporal kinematics. Results showed that animacy experience increased with the time a moving object paused in the vicinity of a second object and with increasing complexity of interaction between the objects (approach and responsiveness). The experience of animacy could be successfully modulated in a parametric fashion by the systematic variation of comparably simple differential movement characteristics. 相似文献
102.
In a study exploring the origins of cognitive dissonance, preschoolers and capuchins were given a choice between two equally preferred alternatives (two different stickers and two differently colored M&M's, respectively). On the basis of previous research with adults, this choice was thought to cause dissonance because it conflicted with subjects' belief that the two options were equally valuable. We therefore expected subjects to change their attitude toward the unchosen alternative, deeming it less valuable. We then presented subjects with a choice between the unchosen option and an option that was originally as attractive as both options in the first choice. Both groups preferred the novel over the unchosen option in this experimental condition, but not in a control condition in which they did not take part in the first decision. These results provide the first evidence of decision rationalization in children and nonhuman primates. They suggest that the mechanisms underlying cognitive-dissonance reduction in human adults may have originated both developmentally and evolutionarily earlier than previously thought. 相似文献
103.
This study evaluated the serial position curve based on free recall of spatial position sequences. To evaluate the memory processes underlying spatial recall, some manipulations were introduced by varying the length of spatial sequences (Exp. 1) and modifying the presentation rate of individual positions (Exp. 2). A primacy effect emerged for all sequence lengths, while a recency effect was evident only in the longer sequences. Moreover, slowing the presentation rate increased the magnitude of the primacy effect and abolished the recency effect. The main novelty of the present results is represented by the finding that better recall of early items in a sequence of spatial positions does not depend on the task requirement of an ordered recall but it can also be observed in a free recall paradigm. 相似文献
104.
In the present study, we used the Deese/Roediger-McDermott paradigm to analyze the relationship between theme identifiability
of word lists and false memories in adults and children. We conducted two normative studies to determine the identifiability
levels for critical unpresented words in 40 associative lists in adults and in 16 associative lists in children. Then, in
three experiments, false memories for critical words that were either easy or hard to identify were analyzed in adults and
in children 4–5 years old and 11–12 years old. Opposite results were found for adults and children. Lists with highly identifiable
critical words produced fewer false memories for adults but more false memories for children. These results suggest that,
if they can identify critical words, adults use an identify-to-reject strategy to edit out false memories, whereas, in children,
theme identification does not lead to the use of such a monitoring strategy. 相似文献
105.
Katrin Skoruppa Ferran Pons Anne Christophe Laura Bosch Emmanuel Dupoux Núria Sebastián‐Gallés Rita Alves Limissuri Sharon Peperkamp 《Developmental science》2009,12(6):914-919
During the first year of life, infants begin to have difficulties perceiving non‐native vowel and consonant contrasts, thus adapting their perception to the phonetic categories of the target language. In this paper, we examine the perception of a non‐segmental feature, i.e. stress. Previous research with adults has shown that speakers of French (a language with fixed stress) have great difficulties in perceiving stress contrasts ( Dupoux, Pallier, Sebastián & Mehler, 1997 ), whereas speakers of Spanish (a language with lexically contrastive stress) perceive these contrasts as accurately as segmental contrasts. We show that language‐specific differences in the perception of stress likewise arise during the first year of life. Specifically, 9‐month‐old Spanish infants successfully distinguish between stress‐initial and stress‐final pseudo‐words, while French infants of this age show no sign of discrimination. In a second experiment using multiple tokens of a single pseudo‐word, French infants of the same age successfully discriminate between the two stress patterns, showing that they are able to perceive the acoustic correlates of stress. Their failure to discriminate stress patterns in the first experiment thus reflects an inability to process stress at an abstract, phonological level. 相似文献
106.
Webb Phillips Jennifer L. Barnes Neha Mahajan Mariko Yamaguchi Laurie R. Santos 《Developmental science》2009,12(6):938-945
A sensitivity to the intentions behind human action is a crucial developmental achievement in infants. Is this intention reading ability a unique and relatively recent product of human evolution and culture, or does this capacity instead have roots in our non‐human primate ancestors? Recent work by Call and colleagues (2004) lends credence to the latter hypothesis, providing evidence that chimpanzees are also sensitive to human intentions. Specifically, chimpanzees remained in a testing area longer and exhibited fewer frustration behaviors when an experimenter behaved as if he intended to give food but was unable to do so, than when the experimenter behaved as if he had no intention of giving food. The present research builds on and extends this paradigm, providing some of the first evidence of intention reading in a more distant primate relative, the capuchin monkey (Cebus apella). Like chimpanzees, capuchin monkeys distinguish between different goal‐directed acts, vacating an enclosure sooner when an experimenter acts unwilling to give food than when she acts unable to give food. Additionally, we found that this pattern is specific to animate action, and does not obtain when the same actions are performed by inanimate rods instead of human hands (for a similar logic, see Woodward, 1998 ). Taken together with the previous evidence, the present research suggests that our own intention reading is not a wholly unique aspect of the human species, but rather is shared broadly across the primate order. 相似文献
107.
Rita M. Shell Nancy Groppenbacher Mark W. Roosa Leah K. Gensheimer 《American journal of community psychology》1992,20(4):463-489
Examined several self-report items traditionally used to identify children of alcoholics for their utility in identifying mental health risk status. The meaning of children's responses to these items was also examined. Collectively, these items reflected children's concern about their parents' drinking. Across multiple studies, children who reported concern about parental drinking reported higher levels of psychological and behavioral problems. This pattern existed whether or not children had a problem-drinking parent. Discriminant analyses with data from child and mother reports showed that children who reported concern were from homes with greater stress, lower income, and less supportive mother-child relationships. 相似文献
108.
The purpose of this study was to identify the extent to which stage of relationship development moderated the link between instrumentalness, expressiveness, and relationship satisfaction. Three hundred ninety three subjects indicated that they were either casually dating, seriously dating, or engaged. Results revealed that although relationship stage predicted satisfaction for both males and females, it did not interact significantly with instrumentalness and expressiveness and thus, did not serve a moderating function. Results also indicated that for males, self-perceptions of instrumentalness and expressiveness, as well as partner's perceived expressiveness predicted relationship satisfaction. For females, partner's perceived instrumentalness and expressiveness significantly predicted relationship satisfaction. Discussion centered on the different findings for males and females, and on implications for future research concerning the influence of instrumentalness and expressiveness on dyadic interaction. 相似文献
109.
Hong Z. Tan Nathaniel I. Durlach William M. Rabinowitz Charlotte M. Reed Jonathan R. Santos 《Attention, perception & psychophysics》1997,59(7):1004-1017
The potential for communication through the kinesthetic aspect of the tactual sense was examined in a series of experiments employing Morse code signals. Experienced and inexperienced Morse code operators were trained to identify Morse code signals that were delivered as sequences of motional stimulation through up-down displacements (roughly 10 mm) of the fingertip. Performance on this task was compared with that obtained for both vibrotactile and acoustic presentation of Morse code using a 200-Hz tone delivered either to the fingertip through a minishaker or diotically to the two ears under headphones. For all three modalities, the ability to receive Morse code was examined as a function of presentation rate for tasks including identification of single letters, random three-letter sequences, common words, and sentences. Equivalent word-rate measures (i.e., product of percent correct scores and stimulus presentation rate) were nearly twice as high for auditory presentation as for vibrotactile stimulation, which in turn was about 1.3 times that for motional stimulation. The experienced subjects outperformed the inexperienced subjects by amounts that increased with task complexity. For example, the former were able to receive sentences at 18 words/min with motional stimulation, whereas the latter, following 75 h of training, were unable to perform this task. The present results and those of other research with tactual communication systems are compared, particularly regarding estimates of information-transfer rates. 相似文献
110.
This paper presents the authors' experience coleading a time-limited group treatment for HIV-positive patients and their partners. Because of the impact of this disease not only on the infected person, but also on his or her partner, a couples group format was used. This 12-week group consisted of four couples, heterosexual and homosexual, of diverse ethnic and socioeconomic backgrounds. While the group focused primarily on couples' issues, individual concerns, conflicts, and experiences relating to the HIV diagnosis were also explored. Clinical vignettes demonstrate the process and benefits of this group experience. 相似文献