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231.
ABSTRACTInfants acquiring their native language are adept at discovering grammatical patterns. However, it remains unknown whether these learning abilities are limited to language, or available more generally for sequenced input. The current study is a conceptual replication of a prior language study, and was designed to ask whether infants can track phrase structure-like patterns from nonlinguistic auditory materials (sequences of computer alert sounds). One group of 12-month-olds was familiarized with an artificial grammar including predictive dependencies between sounds concatenated into strings, simulating the basic structure of phrases in natural languages. A second group of infants was familiarized with a grammar that lacked predictive dependencies. All infants were tested on the same set of familiar strings vs. novel (grammar-inconsistent) strings. Only infants exposed to the materials containing predictive dependencies showed successful discrimination between the test sentences, replicating the results from linguistic materials, and suggesting that predictive dependencies facilitate learning from nonlinguistic input. 相似文献
232.
Natural languages contain many layers of sequential structure, from the distribution of phonemes within words to the distribution of phrases within utterances. However, most research modeling language acquisition using artificial languages has focused on only one type of distributional structure at a time. In two experiments, we investigated adult learning of an artificial language that contains dependencies between both adjacent and non‐adjacent words. We found that learners rapidly acquired both types of regularities and that the strength of the adjacent statistics influenced learning of both adjacent and non‐adjacent dependencies. Additionally, though accuracy was similar for both types of structure, participants’ knowledge of the deterministic non‐adjacent dependencies was more explicit than their knowledge of the probabilistic adjacent dependencies. The results are discussed in the context of current theories of statistical learning and language acquisition. 相似文献
233.
Jenny Reardon 《Science as culture》2013,22(1):25-47
The opening decade of this millennium witnessed genome scientists, policy makers, critical race theorists and world leaders standing together to pronounce the anti-racist democratic potential of human genomics. Understanding and assessing this rise of ‘anti-racist, democratic genomics’ requires distinguishing between two problems of power and science: the first characterized by what Michel Foucault labeled states of domination; the second by what he described as relations of power. When states of domination exist, as in the case of Nazi science, liberal efforts to extend new powers of participation and autonomy to research subjects may play important roles in redressing power imbalances between researchers and their subjects. However, when distinctions between scientist and research subject blur, as in the case of much human genomics, efforts to extend liberal rights to subjects of genomic studies—or genomic liberalism—may produce novel problems, including: (1) human genome scientists' loss of capacity to describe their objects of study; (2) disruption of research subjects' abilities to define themselves; and (3) lack of accountability for the unintended effects of efforts to democratize genomics. In these ways genomic liberalism may foster, at the same that it impedes, the co-constitution of knowledge and democratic subjects. It may create new forms of racism at the very moment that it explicitly seeks anti-racist ends. Addressing the problems created by this paradoxical position will require more sustained attention to and critique of the anti-racist and democratic imaginaries that increasingly animate technoscience. 相似文献
234.
Johanna Lovén Jenny Rehnman Stefan Wiens Torun Lindholm Nathalie Peira Agneta Herlitz 《Memory (Hove, England)》2013,21(4):321-331
Previous research suggests that the own-race bias (ORB) in memory for faces is a result of other-race faces receiving less visual attention at encoding. As women typically display an own-gender bias in memory for faces and men do not, we investigated whether face gender and sex of viewer influenced visual attention and memory for own- and other-race faces, and if preferential viewing of own-race faces contributed to the ORB in memory. Participants viewed pairs of female or male own- and other-race faces while their viewing time was recorded. Afterwards, they completed a surprise memory test. We found that (1) other-race males received the initial focus of attention, (2) own-race faces were viewed longer than other-race faces over time, although the difference was larger for female faces, and (3) even though longer viewing time increased the probability of remembering a face, it did not explain the magnified ORB in memory for female faces. Importantly, these findings highlight that face gender moderates attentional responses to and memory for own- and other-race faces. 相似文献
235.
Earlier studies on adults have shown sex differences in face recognition. Women tend to recognise more faces of other women than men do, whereas there are no sex differences with regard to male faces. In order to test the generality of earlier findings and to examine potential reasons for the observed pattern of sex differences, two groups of Swedish 9-year-old children (n = 101 and n = 96) viewed faces of either Swedish or Bangladeshi children and adults for later recognition. Results showed that girls outperformed boys in recognition of female faces, irrespective of ethnicity and age of the faces. Boys and girls recognised Swedish male faces to an equal extent, whereas girls recognised more Bangladeshi male faces than boys did. These results indicate that three factors explain the magnitude of sex differences in face recognition: an overall female superior face recognition ability, the correspondence between the sex of viewer and the gender of the face, and prior knowledge of the ethnicity of the face. 相似文献
236.
The constructive episodic simulation hypothesis suggests that we imagine possible future events by flexibly recombining details of past experiences to produce novel scenarios. Here we tested this hypothesis by determining whether episodic future thinking is related to relational memory ability during the preschool years. Children (3- to 5-year-olds) were asked to remember a past event and imagine a possible future event using an adapted version of the recombination paradigm. Relational learning and inference were assessed using a task adapted from the neuroimaging literature. The results show that preschoolers were able to describe both past and possible future events; however, they produced more specific episodic details in relation to past events relative to future events. Episodic future thinking performance was correlated with performance on the relational inference task, consistent with the idea that the ability to flexibly recombine relational knowledge is critical in episodic future thinking. 相似文献
237.
James McMahon Raymond DiGiuseppe 《Journal of Rational-Emotive & Cognitive-Behavior Therapy》2013,31(2):49-56
The writers recount personal glimpses into working with couples during their combined 85 years of experience. Rather than take the standard approach of tidbits and sound bites to emphasize a point here and there based upon some quoted authority, our goal is to state our case and in the process permit readers to verify on their own what we have said. The reader will note us taking sidelong glances at expert colleagues less to make a point than to call attention to similar thinkers. We will then attempt to integrate the various articles in this two-volume presentation in JRE&CBT. 相似文献
238.
Jenny Kenrick 《Journal of Child Psychotherapy》2013,39(1):24-39
This paper addresses, from a Kleinian perspective, some of the dilemmas and technical issues faced by the child psychotherapist in work with looked-after and adopted children. A selective review of psychoanalytic literature focusing on the use of transference and countertransference is given. Clinical material provides some examples of different kinds of interpretation, and of the importance of timing and emotional resonance in the interpretations. 相似文献
239.
240.
Katie Witkiewitz Kevin King Robert J. McMahon Johnny Wu Jeremy Luk Karen L. Bierman John D. Coie Kenneth A. Dodge Mark T. Greenberg John E. Lochman Ellen E. Pinderhughes 《Journal of abnormal child psychology》2013,41(2):223-237
Strong associations between conduct disorder (CD), antisocial personality disorder (ASPD) and substance use disorders (SUD) seem to reflect a general vulnerability to externalizing behaviors. Recent studies have characterized this vulnerability on a continuous scale, rather than as distinct categories, suggesting that the revision of the Diagnostic and Statistical Manual of Mental Disorders (DSM-5) take into account the underlying continuum of externalizing behaviors. However, most of this research has not included measures of disorders that appear in childhood [e.g., attention-deficit/hyperactivity disorder (ADHD) or oppositional defiant disorder (ODD)], nor has it considered the full range of possibilities for the latent structure of externalizing behaviors, particularly factor mixture models, which allow for a latent factor to have both continuous and categorical dimensions. Finally, the majority of prior studies have not tested multidimensional models. Using lifetime diagnoses of externalizing disorders from participants in the Fast Track Project (n?=?715), we analyzed a series of latent variable models ranging from fully continuous factor models to fully categorical mixture models. Continuous models provided the best fit to the observed data and also suggested that a two-factor model of externalizing behavior, defined as (1) ODD+ADHD+CD and (2) SUD with adult antisocial behavior sharing common variance with both factors, was necessary to explain the covariation in externalizing disorders. The two-factor model of externalizing behavior was then replicated using a nationally representative sample drawn from the National Comorbidity Survey-Replication data (n?=?5,692). These results have important implications for the conceptualization of externalizing disorders in DSM-5. 相似文献