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211.
Neglect patients typically show motor perseveration while canceling targets on the ipsilesional side. This behavior can be influenced by the presence vs. absence of targets on the (neglected) contralesional side (). As alternative explanations, the authors proposed (i) directional hypokinesia--the patient cannot perform reaching movements towards detected left-sided targets, and thus carries on canceling on the right side, and (ii) allochiria--the patient misperceives left-sided targets as located on the right side, and cancels them there. We report here data from a patient (EZ) that might confirm the second hypothesis. EZ was presented with 19 displays in which the number and position of cancellation targets on both sides were varied systematically. EZ showed motor perseveration while canceling, but this tendency did not vary across conditions. Interestingly though, EZ also drew cancellation marks in the empty space between the ipsilesional targets, and this phenomenon was significantly more intense when there were more targets on the neglected side. As EZ's comments suggested, such a behavior might reflect the attempt to cancel out delusional targets. Our speculation is that those objects were generated by allochiria.  相似文献   
212.
This paper seeks to determine how Russian citizens deal politically with the widespread discontent in the Russian Federation. Citizens are not only dissatisfied with their personal life, their job, and their financial situation but their dissatisfaction is also extremely high with government performance on several public problems. To analyze the responses to this deteriorating situation in the Russian Federation, a modified theory of Hirschman (1970) is used.The problems that beset citizens in their daily lives are not translated in political activity. In order to cope with self-located problems on housing, job and financial conditions, private rather than political means are activated. However, when we look at socially located problems, that are objects of government policy – e.g., employment, rising prices, crime rise – the readiness to voice concerns on these issues through political activities is rather small; citizens that are ready to voice prefer to do this by means of voting.Citizens that do not consider the voice alternative as a reaction to their dissatisfaction, cannot be equated to loyal citizens. Silent non-voice lumps together two phenomena. One form of silence may be loyalty, the other form of silence can be covered by the concept of neglect. Political neglect – in the literature sometimes under the label of political alienation or political apathy – is a serious alternative, that deserves a place next to Hirschman's options of active opposition (voice) and diffuse positive support (loyalty). Empirically, the phenomenon of neglect appears to be a widespread response to political dissatisfaction in the Russian Federation.The voice and loyalty response – although treated as alternatives in Hirschman's theory – are different sort of variables. Loyalty is an attitude, whereas voice is an action. Both are related. Loyalty can activate voice, whereas neglect can hamper the operation of voice. Although neglect and loyalty can be treated as mutually exclusive attitudes, voice can manifest itself in combination with both feelings. Voice can thus manifest as a loyal voice and a cynic voice. It is shown in the analysis that if people are ready to voice in Russia it is a voice of the latter kind, with little hope on future improvement.  相似文献   
213.
Patients with left unilateral spatial neglect (USN) typically place the subjective midpoint to the right of the objective centre when bisecting a horizontal line. This pathological phenomenon may be explained as a result of greater dependence on the right endpoint in the external reference frame (Koyama et al., Brain Cogn, 35, 1997, 271; McIntosh et al., Cogn Brain Res, 25, 2005, 833). Ishiai et al. (Brain, 112, 1989, 1485) reported that once patients with USN fixated on a certain point on the right part of the presented line, they persisted with this point and marked the subjective midpoint there without leftward searches. Ishiai et al.'s interpretation was that the patients saw a totalised line representation that extended equidistantly to the right and left sides, based on the information of the attended rightward extent from the subjective midpoint. Accordingly, we used virtual reality goggles (VRG) and devised a mirror-image viewing (MV) condition that showed a full-field view based on the right visual field information to test whether healthy participants would thereby show neglect-like bisection performance. The participants were 30 healthy adults (22–37 years old; 15 women and 15 men). In this condition, 96.7% (29/30) of participants were judged to exhibit USN-like performance of line bisection, indicating the effectiveness of MV condition to simulate USN. The novelty of the present study lies in the use of a task-specific intervention of neglect-like visuospatial processing during line bisection without attempting to modify the direction of spatial attention. This approach may contribute to the understanding of the pathological visuospatial processing of USN.  相似文献   
214.
We demonstrate that decision contexts that involve sequential numerical changes over time can lead to suboptimal consumer choices in both incentivized and hypothetical studies. This is because, for such changes, an earlier outcome has a cumulative effect on the final total, which consumers tend to ignore. We document the prevalence of consumers' tendency to neglect this cumulative impact when processing sequential rent increases and price discounts as consumers focus on the naïve totals and trends formed by the consecutive price changes and choose economically inferior options. We propose a nudge that helps alert consumers about the cumulative effects and decrease their tendency to fall prey to this bias. We discuss the theoretical contributions as well as the implications for consumers, managers, and policymakers.  相似文献   
215.
We studied the effects of optokinetic stimulation (OKS; leftward, rightward, control) on the visuo‐perceptual and number space, in the same sample, during line bisection and mental number interval bisection tasks. To this end, we tested six patients with right‐hemisphere damage and neglect, six patients with right‐hemisphere damage but without neglect, and six neurologically healthy participants. In patients with neglect, we found a strong effect of leftward OKS on line bisection, but not on mental number interval bisection. We suggest that OKS influences the number space only under specific conditions.  相似文献   
216.
Foster parents often despair over the lack of information about the past experience of the children in their care, particularly with children who have experienced infant trauma and neglect. In the context of family therapy these unknowns pose both a challenge and an opportunity. The author proposes that foster children gives clues to their past experiences in therapeutic moments, which the therapist may recognize as a result of her own inner conversation. In conjunction with a sound theoretical knowledge of infant trauma and neglect, these moments have the capacity to open a dialogue in the relationships between therapist, child and foster family. This dialogical process offers an opportunity for the child's past experience of infant trauma and neglect to be expressed in silence, and the foster parent's present experience to be heard in stillness, opening for them a way to go on beyond the family therapy sessions.  相似文献   
217.
Previous studies have shown that left neglect patients are impaired when they have to orient their attention leftward relative to a standard in numerical comparison tasks. This finding has been accounted for by the idea that numerical magnitudes are represented along a spatial continuum oriented from left to right with small magnitudes on the left and large magnitudes on the right. Similarly, it has been proposed that duration could be represented along a mental time line that shares the properties of the number continuum. By comparing directly duration and numerosity processing, this study investigates whether or not the performance of neglect patients supports the hypothesis of a mental time line. Twenty‐two right brain‐damaged patients (11 with and 11 without left neglect), as well as 11 age‐matched healthy controls, had to judge whether a single dot presented visually lasted shorter or longer than 500 ms and whether a sequence of flashed dots was smaller or larger than 5. Digit spans were also assessed to measure verbal working memory capacities. In duration comparison, no spatial‐duration bias was found in neglect patients. Moreover, a significant correlation between verbal working memory and duration performance was observed in right brain‐damaged patients, irrespective of the presence or absence of neglect. In numerical comparison, only neglect patients showed an enhanced distance effect for numerical magnitude smaller than the standard. These results do not support the hypothesis of the existence of a mental continuum oriented from left to right for duration. We discuss an alternative account to explain the duration impairment observed in right brain‐damaged patients.  相似文献   
218.
219.
The most replicated result in the field of intelligence is the positive manifold, which refers to an all-positive pattern of correlations among diverse cognitive tests. The positive manifold is typically described by a general factor, or g. In turn, g is often identified as general intelligence, yet this explanation is contradicted by a number of results. Here we offer a new account of g: process overlap theory. According to the theory, cognitive tests tap domain-general executive processes, identified primarily in research on working memory, as well as more domain-specific processes. Executive processes are tapped in an overlapping manner across cognitive tests such that they are required more often than domain-specific ones. The theory provides an account of a number of findings on human intelligence. As well, it is formalized as a multidimensional item response model and as a structural model, and the neural mechanisms underlying the proposed overlapping processes are discussed.  相似文献   
220.
This study examined the relations between child maltreatment and reactive and proactive functions of aggression, and whether hostile attribution biases partially accounted for these associations in a sample of 339 college students (M age = 19, 51% male). Child maltreatment was associated with reactive, but not proactive, aggression, and instrumental hostile attribution biases accounted for this association. Relational hostile attributions were correlated with both reactive and proactive aggression, but did not play a role in the link between child maltreatment and reactive aggression.  相似文献   
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