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111.
The present four experiments examined the effects of pointing movements towards the target locations in a modified free recall task. Three factors were manipulated: the order of the move/no-move trials (blocked or mixed), the type of stimuli presentation (simultaneous or sequential) and the size of the to-be-recalled configurations (7-9 and 5-7 items). Results showed that pointing significantly decreased visuospatial performance both with a mixed and a blocked design. However, in the blocked condition the interference effect of pointing was load-dependent (being inversely related to array size) and occurred only when participants pointed to all stimuli in the first block. Post hoc analyses supported the conclusion that pointing movements interfered with the on-line development of appropriate retrieval strategies, like parsing the configurations into smaller chunks or creating global visual images. 相似文献
112.
The hippocampus plays a central role in spatial representation, declarative and episodic memory. In this area, so-called place cells possess high spatial selectivity, firing preferentially when the individual is within a small area of the environment. Interestingly, it has been found in rats that these cells can be active also when the animal is outside the location or context of their corresponding place field producing so-called "forward sweeps". These typically occur at decision points during task execution and seem to be utilized, among other things, for the evaluation of potential alternative paths. Anticipatory firing is also found in the ventral striatum, a brain area that is strongly interconnected with the hippocampus and is known to encode value and reward. In this paper, we describe a biologically based computational model of the hippocampal-ventral striatum circuit that implements a goal-directed mechanism of choice, with the hippocampus primarily involved in the mental simulation of possible navigation paths and the ventral striatum involved in the evaluation of the associated reward expectancies. The model is validated in a navigation task in which a rat is placed in a complex maze with multiple rewarding sites. We show that the rat mentally activates place cells to simulate paths, estimate their value, and make decisions, implementing two essential processes of model-based reinforcement learning algorithms of choice: look-ahead prediction and the evaluation of predicted states. 相似文献
113.
Daniel J. Neller Psy.D. ABPP Giovanni Petris Ph.D. 《Behavioral sciences & the law》2013,31(4):429-443
The sexual recidivism rate of sex offenders is a controversial issue. Perhaps as controversial is the sexual recidivism rate of the select group of sex offenders who are examined pursuant to sexually violent predator (SVP) statutes. At present, reliable estimates of SVP recidivism are unavailable. We propose that reasonable estimates of SVP recidivism can be reached by considering three available pieces of data: (i) a likely recidivism rate of the general population of sex offenders; (ii) procedures typically followed by jurisdictions that civilly commit sex offenders; and (iii) classification accuracy of procedures. Although sexual recidivism rates vary across jurisdictions, the results of our analyses suggest sex offenders referred for examination pursuant to SVP statutes recidivate at substantially higher rates than typical sex offenders. Our results further suggest that sex offenders recommended for commitment as SVPs recidivate at even greater rates than SVP respondents who are not recommended for commitment. We discuss practice and policy implications of these findings. Copyright © 2013 John Wiley & Sons, Ltd. 相似文献
114.
In this paper, the ontological, terminological, epistemological, and ethical aspects of omission are considered in a coherent and balanced framework, based on the idea that there are omissions which are actions and omissions which are non-actions. In particular, we suggest that the approach to causation which best deals with omission is Mackie's INUS conditional proposal. We argue that omissions are determined partly by the ontological conditional structure of reality, and partly by the interests, beliefs, and values of observers. The final upshot is that moral judgments involved in cases of omissions cannot be grounded on, but are the ground for judgments about what INUS conditions count as omissions. 相似文献
115.
Laura Sirri Stefania Fabbri Giovanni A. Fava Nicoletta Sonino 《Journal of personality assessment》2013,95(3):216-228
In this article, we examine research that may lead to a better assessment of psychological factors affecting medical conditions. We performed a review of the psychosomatic literature using both Medline and manual searches. We selected papers that were judged to be relevant to new strategies of assessment, with particular reference to the use of the Diagnostic Criteria for Psychosomatic Research. We assessed 8 areas concerned with the assessment of psychological factors in the setting of medical disease: hypochondriasis, disease phobia, persistent somatization, conversion symptoms, illness denial, demoralization, irritable mood, and Type A behavior. A new subclassification of the Diagnostic and Statistical Manual of Mental Disorders (5th ed. [DSM-V]; not yet published) category of psychological factors affecting physical conditions appears to be feasible and may provide the clinician with better tools for identifying psychological distress. 相似文献
116.
This article reports a meta-analysis comparing the size of repetition priming in full and divided-attention (DA) conditions. The main analysis included 38 effect sizes (ES) extracted from 21 empirical studies, for a total of 2074 (full-attention) and 2148 (divided-attention) participants. The mean weighted ES was 0.357 (95% CI = 0.278–0.435), indicating that divided attention produced a small, but significant, negative effect on implicit memory. Overall, the distinction between identification and production priming provided the best fit to empirical data (with the effect of DA being greater for production tests), whereas there was no significant difference between perceptual and conceptual priming. A series of focused contrasts suggested that word-stem completion might be influenced by lexical–conceptual processes, and that perceptual identification might involve a productive component. Implications for current theories of implicit memory are discussed. 相似文献
117.
The factor structure of the Inventory of Parent and Peer Attachment (IPPA): A survey of Italian adolescents 总被引:1,自引:0,他引:1
Cecilia Serena Pace Pietro San Martini Giulio Cesare Zavattini 《Personality and individual differences》2011,51(2):83-88
Despite the intensive use of the Inventory of Parent and Peer Attachment (IPPA), a measure of attachment which centres on individual differences in adolescents and their ability to evaluate their relationships with parents and peers, the factor structure of the inventory requires further investigation. This study of 1059 Italian adolescents compared the three models which are discussed in the literature: the one-factor model (attachment security), the two-factor model (trust-communication and alienation) and the three-factor model (trust, communication and alienation), and examined the influences of age and gender on the IPPA’s scores. Our findings provide support for the reliability of the latest and longer version of the IPPA (75-item). Factor analysis showed that the three-factor model had the best fit, although the three dimensions are strongly interrelated. Sixteen year olds had lower attachment security to their fathers than the results of the other adolescent age groups. Males reported lower alienation scores than females in the paternal form, while females had higher attachment security, trust and communication scores than males in the peers form. 相似文献
118.
The aim of this paper is to assess the relevance of pitch dimension in auditory–motor interaction. Several behavioural and
brain imaging studies have shown that auditory processing of sounds can activate motor representations, an effect which is
however elicited only by action-related sounds, i.e., sounds linked to a specific motor repertoire. Music provides an appropriate
framework for further exploration of this issue. Three groups of participants (pianists, non-pianist musicians and non-musicians)
were tested with a shape decision task where left-hand and right-hand responses were required; each visual stimulus was paired
with an auditory task-irrelevant stimulus (high-pitched or low-pitched piano-timbre chords). Of the three groups, only pianists
had longer reaction times for left-hand/high-pitched chords and right-hand/low-pitched chords associations. These findings
are consistent with an auditory-motor effect elicited by pitch dimension, as only pianists show an interaction between motor
responses and implicit pitch processing. This interaction is consistent with the canonical mapping of hand gestures and pitch
dimension on the piano keyboard. The results are discussed within the ideo-motor theoretical framework offered by the Theory
of Event Coding (Hommel et al. in Behav Brain Sci 24:849–937, 2001). 相似文献
119.
Tommaso Ruberto Giovanni Polverino Maurizio Porfiri 《Journal of the experimental analysis of behavior》2017,107(2):279-293
Robotics is emerging as a promising tool for aiding research on animal behavior. The possibility of generating customizable, controllable, and standardized robotic stimuli has been demonstrated through a number of behavioral assays, involving vertebrates and invertebrates. However, the specific appraisal of the nature of robotic stimuli is currently lacking. Here, we attempt to evaluate this aspect in zebrafish, through a within‐subject design in which experimental subjects are faced with three experimental conditions. In the first test, we investigated sociability by measuring zebrafish response to a conspecific separated by a one‐way glass. In the second test, we studied zebrafish behavior in response to a 3D‐printed zebrafish replica actuated along realistic trajectories through a novel four‐degree‐of‐freedom robotic platform. Last, we investigated fear responses in a shelter‐seeking test. In agreement with our expectations, zebrafish exhibited an equivalent preference for live and robotic stimuli, and the degree of preference for the robotic replica correlated negatively with the individual propensity to seek shelter. The equivalent preference for the replica and conspecific suggests that the appraisal of the target stimuli is analogous. The preliminary evidence of a correlation between behavioral responses across tests points to the readability of robotics‐based approaches to investigate interindividual differences. 相似文献
120.
Rossi-Arnaud Clelia Cestari Vincenzo Rezende Silva Marques Valeria Bechi Gabrielli Giulia Spataro Pietro 《Psychological research》2017,81(1):55-65
Psychological Research - Recent studies have begun to investigate the effects of collaboration on explicit tests such as free recall, cued recall, and recognition. In contrast, little is known... 相似文献