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181.
Kéri S Janka Z Benedek G Aszalós P Szatmáry B Szirtes G Lörincz A 《Trends in cognitive sciences》2002,6(3):132-136
Recent studies indicate that category learning is mediated by multiple neuronal systems. It has been shown that patients with marked impairments in executive functions, explicit memory and procedural learning can categorize the exemplars and prototype of a previously trained category. Simple, self-organizing neuronal networks can explain prototype learning and related dysfunctions in Alzheimer's disease, and provide a model of how prototype learning is mediated by circumscribed mechanisms in the visual cortex. 相似文献
182.
María Márquez-González Javier López Rosa Romero-Moreno Andrés Losada 《Journal of religion and health》2012,51(1):179-186
This study explores the relationships between spiritual meaning and social support from the religious community and problem
behaviors, anger and depression in 128 dementia caregivers. The results suggest a mediating role of anger in the relationship
between the appraisal of problem behaviors and depression. Support from the religious community is directly and negatively
associated with anger, but the relationship between spiritual meaning and anger is mediated by caregivers’ appraisals of problem
behaviors, suggesting that spiritual beliefs might help caregivers to find meaning in caregiving experiences and thus appraise
care recipients’ behavioral problems as less stressful. 相似文献
183.
Prof. Dr. André Haynal 《Forum der Psychoanalyse》2012,28(3):311-320
The history of Freud??s illnesses shows us how he tried to circumvent the confrontation with his health disorders and consider them as unimportant. Similarly, in his personal letters, he left his ill body ??out there?? as if it were another person, Konrad, not himself. He avoids understanding it from the inside. In his correspondence, especially with Ferenczi, depressive symptoms were considered as somatic and were excluded from his reflexions. Important insights, e.g. about a relationship between cancer with hate do not change his basic attitude. Disavowel and masochism become important in his life and writings. In the post-Freudian literature these themes will be integrated in the dialogue, i.e. between analyst and analysand. 相似文献
184.
Mindfulness, a construct that entails moment-to-moment effort to be aware of present experiences and positive attitudinal features, has become integrated into the sciences. The Five Facet Mindfulness Questionnaire (FFMQ), one popular measure of mindfulness, exhibits different responses to positively and negatively worded items in nonmeditating groups. The current study employed confirmatory factor analysis with a large undergraduate sample to examine the validity of a hierarchical mindfulness model and whether response patterns related to item wording arose from method effects. Results indicated that a correlated facets model better explained the data and that negative and positive wording constituted substantive method effects. This study suggests that the FFMQ measures components that may relate to, but do not seem to directly reflect, a latent variable of mindfulness. The authors recommend against the use of an FFMQ total score, favoring individual scale scores, and further examination of method effects in mindfulness scales. 相似文献
185.
According to Botvinick’s (2007) integrative account, conflict monitoring is aversive because individuals anticipate cognitive demand, whereas the revised
reinforcement sensitivity theory (rRST) predicts that conflict processing is aversive because individuals anticipate aversive
reinforcement of erroneous responses. Because these accounts give different reasons for the aversive aspects of conflict,
we manipulated cognitive demand and the aversive reinforcement as a consequence of wrong choices in a go/no-go task. Thereby,
we also aimed to investigate whether individual differences in conflict sensitivity (i.e., in trait anxiety, linked to high
sensitivity of the behavioral inhibition system [trait-BIS]) represent the effects of aversive reinforcement and cognitive
demand in conflict tasks. We expected that these manipulations would have effects on the frontal N2 component representing
activity of the anterior cingulate cortex. Moreover, higher-trait-BIS individuals should be more sensitive than lower-trait-BIS
individuals to aversive effects in conflict situations, resulting in a more negative frontal N2 for higher-trait-BIS individuals.
In Study 1, with N = 104 students, and Study 2, with N = 47 students, aversive reinforcement was manipulated in three levels (within-subjects factor) and cognitive demand in two
levels (between-subjects factor). The behavioral findings from the go/no-go task with noncounterbalanced reinforcement levels
(Study 1) could be widely replicated in a task with counterbalanced reinforcement levels (Study 2). The frontal mean no-go
N2 amplitude and the frontal no-go N2 dipole captured predicted reinforcement-related variations of conflict monitoring, indicating
that the anticipation of aversive reinforcement induces variations in conflict monitoring intensity in frontal brain areas.
The aversive nature of conflict was underlined by the more pronounced conflict monitoring in higher- than in lower-trait-BIS
individuals. 相似文献
186.
This study explored the effects of ageing on working memory by means of the directed forgetting procedure designed by Reed (1970). Memory for a letter trigram was compared in conditions where it was either presented alone (single‐item), or followed by a second trigram to be recalled (interference), or followed by a second trigram to be forgotten (directed forgetting). The results clearly indicated that elderly participants inhibited the no‐longer‐relevant information less efficiently (recall in the single‐item condition – recall in the directed forgetting condition), as predicted by the model of Hasher and Zacks (1988). However, the results also demonstrated that sensitivity to interference (recall in the single‐item condition – recall in the interference condition) increased in the condition in which no inhibition was directly required. 相似文献
187.
It has previously been shown that adults localize unseen auditory targets more accurately with their eyes open than closed. The interpretation usually proposed to explain this phenomenon is that auditory spatial information is referred or translated to a visual frame of reference. The present experiments show that the presence of an auditory reference point facilitates auditory localization judgements in the same manner as a visual reference point does. Although our results do not support the visual frame of reference hypothesis, they suggest that the auditory and the visual modalities are strongly linked in their localizing processes. 相似文献
188.
Andrés Catena Alejandro Castillo Luis J. Fuentes Bruce Milliken 《Visual cognition》2013,21(5):601-622
A priming procedure was used to study the processing of distractors located either inside (between the location of two targets) or outside (peripherally to the locations of the targets) the focus of attention. The stimuli were five-letter arrays, and participants had to decide whether two marked target letters were the same or different. In Experiments 1 and 2, positive priming was obtained both when targets and in-distractors in primes repeated as targets in probes; negative priming was found when out-distractor primes repeated as targets in probes. In Experiment 3, we also manipulated the match in letter case from primes to probes. In-distractors produced reliable positive priming, irrespective of whether the letters matched in case. In contrast out-distractors produced negative priming but only when the letters had the same case in primes and probes. These results are attributed to a spatial attention process operating (in this case) on low-level visual features, and an object-based selection process that enables more abstract information to be processed for selected stimuli. 相似文献
189.
André Didierjean 《Visual cognition》2013,21(2):265-283
This paper studies the anticipatory nature of perception in relation to subjects' expertise in basketball. The two experiments conducted showed that experts encode game situations by automatically building a representation of the next‐likely state of the observed scene. In Experiment 1, subjects had to quickly compare pairs of configurations presented in succession. The results indicated that expert subjects differentiated the second configuration from the first less accurately and more slowly when the second configuration was the next‐likely state of the first, than when it was a possible previous state. In Experiment 2, subjects had to study game configurations and then perform a recognition task. The results showed that experts more often falsely recognized new configurations when they were the next‐likely state of an already‐encoded configuration than when they represented a possible previous state. Based on these results, we discuss the nature of expert knowledge, the integration of anticipatory components in perceptual processes, and the impact of expert knowledge on visual‐scene encoding and memorization. 相似文献
190.
ABSTRACTPairs of emotional (pleasant or unpleasant) and neutral scenes were presented peripherally (≥5° away from fixation) during a central letter-discrimination task. Selective attentional capture was assessed by means of eye movement orienting, i.e., probability of first fixating a scene and the time until first fixation. Static and dynamic visual saliency values of the scenes were computationally modelled. Results revealed selective orienting to both pleasant and unpleasant relative to neutral scenes. Importantly, such effects remained in the absence of visual saliency differences, even though saliency influenced eye movements. This suggests that selective attention to emotional scenes is genuinely driven by the processing of affective significance in extrafoveal vision. 相似文献