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91.
The human brain represents different kinds of visual feature dimensions in different ways. For example, surface features exhibit some properties that are very different from contour features, and some feature dimensions may be represented more extensively in either the dorsal or the ventral visual stream. Given such differences, we investigated feature binding across different feature dimensions and whether some feature dimensions might be more easily bound together than others. In Experiment 1, we looked at cross-dimension bindings for all combinations of color, orientation, and shape dimensions, while at the same time controlling for feature discriminability. Rates of correct binding, illusory conjunctions, and feature errors were equivalent in all cases. There was no bias so that some feature dimensions were easier to combine than others. In Experiment 2, we manipulated the difficulty of feature discrimination for the key, target-defining feature and the report feature. Rates of binding errors increased with difficulty of the key feature, but not with that of the report feature. The accuracy of feature discrimination could be dissociated from the accuracy of binding the feature to an object. Across both experiments, the accuracy of feature binding was independent of specific feature dimensions or perceptibility. These findings are discussed in relation to both feature integration and multiple-stage accounts of visual feature integration. 相似文献
92.
Among non-human animals, exaggerated male traits may signal immunocompetence and are often attractive to females. This finding has not been reliably replicated in human populations, however, where preferences for feminised male faces are often observed in experiments. Some authors have suggested that certain experimental approaches, and in particular the use of 'composite', or averaged, photographs, may lack ecological validity and elicit misleading responses. This may account for reports of preferences for femininity. To date, however, experiments have varied on numerous, often confounded, methodological dimensions, making the contribution of different factors difficult to assess. To address this, we conducted an experiment to examine the influence of stimulus type on participant responses. Masculinity preferences were measured using both composite photographs and the photographs from which they were composed, while all other methodological variables were held constant. In contrast to predictions by previous authors, composites elicited significantly stronger overall preferences for masculinity, especially when textural information was reduced during the averaging process. The existence of preferences for feminised male faces is unlikely to be explained by the use of composite photographs alone. 相似文献
93.
Pilar Mart��nez Mar��a Jos�� Carrasco Gonzalo Aza Angeles Blanco Isabel Espinar 《Sex roles》2011,65(11-12):813-826
In dual-earner families the balance between work and family demands facilitates the development of guilt feelings when parents perceive a non-fulfillment of their responsibilities in childcare. Specifically, women who aspire to personal and professional development on the basis of more egalitarian gender role models must deal with the traditional stereotypes that maintain an intensive maternity mandate that prioritizes the family. On the other hand, for men the role change is primarily in the family setting with the development of a new father role more involved in the care of their children, which is not easily compatible with the more traditional breadwinner role. This study explored the feelings of guilt about parenting in 251 employed Spanish parents with children between 3 and 6 years of age, through the Scale of Guilt Feelings about Parenting, and its relationship with traditional stereotypes of maternal and family role. The scale addresses diverse situations pertaining to child rearing in which work requirements do not allow parents full availability for the care of their children. This availability is present in the model of intensive maternity and in the new father role model. Results indicate the presence of similar and high levels of guilt in fathers and mothers, although in men guilt is related to a non-traditional family role ideology, whereas in women guilt is related to a more traditional maternal role stereotype. 相似文献
94.
This study explores the effect of individuation training on the acquisition of race-specific expertise. First, we investigated whether practice individuating other-race faces yields improvement in perceptual discrimination for novel faces of that race. Second, we asked whether there was similar improvement for novel faces of a different race for which participants received equal practice, but in an orthogonal task that did not require individuation. Caucasian participants were trained to individuate faces of one race (African American or Hispanic) and to make difficult eye-luminance judgments on faces of the other race. By equating these tasks we are able to rule out raw experience, visual attention, or performance/success-induced positivity as the critical factors that produce race-specific improvements. These results indicate that individuation practice is one mechanism through which cognitive, perceptual, and/or social processes promote growth of the own-race face recognition advantage. 相似文献
95.
We examined whether temporal integration of face parts reflects holistic processing or response interference. Participants
learned to name two faces “Fred” and two “Bob.” At test, the top and bottom halves of different faces formed composites and
were presented briefly separated in time. Replicating prior findings (Singer & Sheinberg, Vision Research, 46, 1838–1847, 2006), naming of the target half for aligned composites was slowed when the irrelevant half was from a face with a different name
rather than from the original face. However, no interference was observed when the irrelevant half had a name identical to
the name of the target half but came from a different learned face, arguing against a true holistic effect. Instead, response
interference was obtained when the target half briefly preceded the irrelevant half. Experiment 2 confirmed a double dissociation of holistic processing versus response interference for intact faces versus temporally separated
face halves, suggesting that simultaneous presentation of facial information is critical for holistic processing. 相似文献
96.
97.
Fernández J Quiroga MA del Olmo I Aróztegui J Martín A 《The Spanish journal of psychology》2011,14(2):899-911
This study was designed to develop a computerized test to assess gender roles. This test is presented as a decision-making task to mask its purpose. Each item displays a picture representing an activity and a brief sentence that describes it. Participants have to choose the most suitable sex to perform each activity: man or woman. The test (Gender Roles Test, GRT-36) consists of 36 items/activities. The program registers both the choices made and their response times (RTs). Responses are considered as stereotyped when the chosen sex fits stereotyped roles and non-stereotyped when the chosen sex does not fit stereotyped roles. Individual means (RTs) were computed for stereotyped and non-stereotyped responses, differentiating between domestic and work spheres. A "D" score, reflecting the strength of association between activities and sex, was calculated for each sphere and sex. The study incorporated 78 participants (69% women and 31% men) ranging from 19 to 59 years old. The results show that: (a) reading speed does not explain the variability in the RTs; (b) RTs show good internal consistency; (c) RTs are shorter for stereotyped than for neutral stimuli; (d) RTs are shorter for stereotyped than for non-stereotyped responses. Intended goals are supported by obtained results. Scores provided by the task facilitate both group and individual detailed analysis of gender role, differentiating the gender role assigned to men from that assigned to women, at the domestic and work spheres. Obtained data fall within the scope of the genderology and their implications are discussed. 相似文献
98.
Social animals have much to gain from observing and responding appropriately to the actions of their conspecific group members.
This can in turn lead to the learning of novel behavior patterns (social learning) or to foraging, ranging, or social behavioral
choices copied from fellow group members, which do not necessarily result in long-term learning, but at the time represent
adaptive responses to environmental cues (public information use). In the current study, we developed a novel system for the
study of public information use under fully automated conditions. We modified a classic single-subject laboratory paradigm—matching-to-sample
(MTS)—and examined chimpanzees’ ability to interpret and utilize cues provided by the behavior of a conspecific to solve the
task. In Experiment 1, two subjects took turns on an identity MTS task, with one subject (the model) performing the first
half of the trial and the other subject (the observer) completing the trial using the model’s actions as discriminative cues.
Both subjects performed above chance from the first session onwards. In Experiment 2, the subjects were tested on a symbolic
version of the same MTS task, with one subject showing spontaneous transfer. Our study establishes a novel method for examining
public information use within a highly controlled and automated setting. 相似文献
99.
Two experiments investigated the role that different face regions play in a variety of social judgements that are commonly made from facial appearance (sex, age, distinctiveness, attractiveness, approachability, trustworthiness, and intelligence). These judgements lie along a continuum from those with a clear physical basis and high consequent accuracy (sex, age) to judgements that can achieve a degree of consensus between observers despite having little known validity (intelligence, trustworthiness). Results from Experiment 1 indicated that the face's internal features (eyes, nose, and mouth) provide information that is more useful for social inferences than the external features (hair, face shape, ears, and chin), especially when judging traits such as approachability and trustworthiness. Experiment 2 investigated how judgement agreement was affected when the upper head, eye, nose, or mouth regions were presented in isolation or when these regions were obscured. A different pattern of results emerged for different characteristics, indicating that different types of facial information are used in the various judgements. Moreover, the informativeness of a particular region/feature depends on whether it is presented alone or in the context of the whole face. These findings provide evidence for the importance of holistic processing in making social attributions from facial appearance. 相似文献
100.
Sanz-Vergel AI Sebastián J Rodríguez-Muñoz A Garrosa E Moreno-Jiménez B Sonnentag S 《Psicothema》2010,22(4):990-996
The aim of this work was to examine the psychometric properties of the Spanish version of the "Recovery Experience Questionnaire" developed by Sonnentag and Fritz. The sample was made up of 941 professionals from the security sector. Results from the exploratory factor analysis suggested the possibility of considering a four-factor structure. Confirmatory factor analysis showed that the four-factor model with three correlated items each provided the best fit to the data (CFI=0.97, GFI=0.96, NNFI=0.96, RMSEA=0.05 y AIC=171.76). Therefore, the questionnaire maintains the four recovery experiences -psychological detachment from work, relaxation, mastery experiences and control over leisure time--but with 12 items instead of 16 items as in the original scale. Reliability analysis showed good internal consistency for this scale with Cronbach alpha coefficients for the factors ranging from .75 to .88. Significant correlations were found between the recovery experiences and various external variables, providing evidence of construct validity. Thus, this Spanish version shows adequate psychometric properties and may help to achieve a better understanding of this topic. 相似文献