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391.
We tested the ability of the mature visual system for discrimination between types of elliptic biological motion on the basis of event kinematics. Healthy adult volunteers were presented with point-light displays depicting elliptic motion when only a single dot, a moving point-light arm, or a whole point-light human figure was visible. The displays were created in accordance with the two-thirds power kinematic law (natural motion), whereas the control displays violated this principle (unnatural motion). On each trial, participants judged whether the display represented natural or unnatural motion. The findings indicate that adults are highly sensitive to violation of the two-thirds power kinematic law. Notably, participants can easily discriminate between natural and unnatural motions without recognising the stimuli, which suggests that people implicitly use kinematic information. Most intriguing, event recognition seems to diminish the capacity to judge whether event kinematics is unnatural. We discuss possible ways for a cross-talk between perception and production of biological movement, and the brain mechanisms involved in biological motion processing. 相似文献
392.
We propose a mentalistic and nativist view of human early mental and social life and of the ontogeny of mindreading. We define the mental state of sharedness as the primitive, one-sided capability to take one's own mental states as mutually known to an interactant. We argue that this capability is an innate feature of the human mind, which the child uses to make a subjective sense of the world and of her actions. We argue that the child takes all of her mental states as shared with her caregivers. This allows her to interact with her caregivers in a mentalistic way from the very beginning and provides the grounds on which the later maturation of mindreading will build. As the latter process occurs, the child begins to understand the mental world in terms of differences between the mental states of different agents; subjectively, this also corresponds to the birth of privateness. 相似文献
393.
Speech is produced mainly in continuous streams containing several words. Listeners can use the transitional probability (TP) between adjacent and non-adjacent syllables to segment "words" from a continuous stream of artificial speech, much as they use TPs to organize a variety of perceptual continua. It is thus possible that a general-purpose statistical device exploits any speech unit to achieve segmentation of speech streams. Alternatively, language may limit what representations are open to statistical investigation according to their specific linguistic role. In this article, we focus on vowels and consonants in continuous speech. We hypothesized that vowels and consonants in words carry different kinds of information, the latter being more tied to word identification and the former to grammar. We thus predicted that in a word identification task involving continuous speech, learners would track TPs among consonants, but not among vowels. Our results show a preferential role for consonants in word identification. 相似文献
394.
Levine SC Vasilyeva M Lourenco SF Newcombe NS Huttenlocher J 《Psychological science》2005,16(11):841-845
We examined whether the male spatial advantage varies across children from different socioeconomic (SES) groups. In a longitudinal study, children were administered two spatial tasks requiring mental transformations and a syntax comprehension task in the fall and spring of second and third grades. Boys from middle- and high-SES backgrounds outperformed their female counterparts on both spatial tasks, whereas boys and girls from a low-SES group did not differ in their performance level on these tasks. As expected, no sex differences were found on the verbal comprehension task. Prior studies have generally been based on the assumption that the male spatial advantage reflects ability differences in the population as a whole. Our finding that the advantage is sensitive to variations in SES provides a challenge to this assumption, and has implications for a successful explanation of the sex-related difference in spatial skill. 相似文献
395.
Perception of intentions and dispositions of others is an essential ingredient of adaptive daily-life social behaviour. Dynamics of moving images leads to veridical perception of social attributes. Anecdotal observations in art, science, and popular culture indicate that dynamic imbalance can be revealed in static images. Here, we ask whether perceived dynamics of abstract figures is related to emotional attribution. Participants first estimated instability of geometric shapes rotated in 15 degrees steps in the image plane, and then rated the intensity of basic emotions that can be ascribed to the figures. We found no substantial link between the deviation of the figures from the vertical orientation and perceived instability. Irrespective of shape, a strong positive correlation was found between negative emotions and perceived instability. By contrast, positive emotions were inversely linked with deviation of the figure from vertical orientation. The work demonstrates for the first time that dynamics conveyed by static images enables specific emotional attributions, and agrees well with the assumption that neural networks for production of movements and understanding the dispositions of others are intimately linked. The findings are also of importance for exploring the ability to reveal social properties through dynamics in normal and abnormal development, for example in patients with early brain injury or autistic spectrum disorders. 相似文献
396.
F Xavier Alario Ludovic Ferrand Marina Laganaro Boris New Uli H Frauenfelder Juan Segui 《Behavior research methods, instruments & computers》2004,36(1):140-155
We report the results of a large-scale picture naming experiment in which we evaluated the potential contribution of nine theoretically relevant factors to naming latencies. The experiment included a large number of items and a large sample of participants. In order to make this experiment as similar as possible to classic picture naming experiments, participants were familiarized with the materials during a training session. Speeded naming latencies were determined by a software key on the basis of the digital recording of the responses. The effects of various variables on these latencies were assessed with multiple regression techniques, using a repeated measures design. The interpretation of the observed effects is discussed in relation to previous studies and current views on lexical access during speech production. 相似文献
397.
Valérie Schwitter Bruno Boyer Alain Méot Patrick Bonin Marina Laganaro 《Behavior research methods, instruments & computers》2004,36(3):564-576
The aim of the present study was to provide French normative data for 112 action line drawings. The set of action pictures consisted of 71 drawings taken from Masterson and Druks (1998) and 41 additional drawings. It was standardized on six psycholinguistic variables--that is, name agreement, image agreement, image variability, visual complexity, conceptual familiarity, and age of acquisition (AoA). Naming latencies to the action pictures were collected, and a regression analysis was performed on the naming latencies, with the standardized variables, as well as with word frequency and length, taken as predictors. A reliable influence of AoA, name agreement, and image agreement on the naming latencies was observed. The findings are consistent with previous published studies in other languages. The full set of these norms may be downloaded from www.psychonomic.org/archive/. 相似文献
398.
Campo-Mon MÁ Castro-Pañeda P Álvarez-Martino E Álvarez-Hernández M Torres-Manzanera E 《Psicothema》2010,22(4):797-805
The main purpose of this article is to analyse the perception that specialist teachers in therapeutic pedagogy have of the integration of students with specific needs for educational support. Diverse groups of students are differentiated. More specifically, it aims to know how teachers perceive students' performance and participation, and also certain attitudes towards the students (acceptance, involvement of fellow students…). Teachers' opinions of various measures to improve integration are also analysed as are the diverse preferred means of schooling and support. For this purpose, a 114-item Lickert-type questionnaire, with 8 additional personal identification items, was used. The sample comprised 106 specialist teachers who work in Asturias, out of an entire sample of 406. The results reveal that specialist teachers do not perceive the same attitudes in the different groups studied. Students with behaviour disorders are the most rejected and the ones from whom teachers can expect the least. The group of ethnic minorities needs to improve family involvement. The specialists demand more human and physical resources and most of them think that ordinary centres provide the most suitable form of schooling. 相似文献
399.
The aims of this study were: (a) to examine the prevalence of corporal punishment (CP) of children in Spain; (b) to analyze the extent to which CP is used in combination with psychological aggression and positive parenting among Spanish parents; and (c) to investigate whether the relation between CP and behavior problems is moderated by a positive parenting context in which CP may be used, and by the co-occurrence of psychological aggression. The sample comprised 1,071 Spanish university students (74.8% female; 25.2% male). Findings indicate a high prevalence of CP of Spanish students, revealing that significantly more mothers than fathers used CP. Furthermore, more CP is related to more use of psychological aggression and less of positive parenting. Regression analyses revealed that CP was associated with an increased probability of antisocial traits and behaviors regardless of whether there was positive parenting and psychological aggression. These results highlight that, though many Spanish parents use CP as a disciplinary strategy, it appears to be related to negative outcomes for children regardless the parental context in which it is used. 相似文献
400.
Ercolani M Farinelli M Agostini A Baldoni F Baracchini F Ravegnani G Bortolotti M 《Perceptual and motor skills》2010,111(2):625-630
The attachment styles and parental bonding by 64 patients (M age = 43.2 yr., SD = 13.3) with Gastroesophageal Reflux Disease (GERD) were compared with those of 64 patients (M age = 42.2 yr., SD = 13.5) with Inflammatory Bowel Disease (IBD) and 126 Healthy participants (M age = 42.2 yr., SD = 12.1). Analysis of scores on the Attachment Style Questionnaire indicated insecure attachment in both the patient and control groups. The Parental Bonding scores indicated perceptions of Affectionless Control by parents in both patient groups. In particular, the mean Father-Protection subscale scores were significantly higher for in the GERD group than in the Healthy and IBD groups. 相似文献