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131.
Affect is a form of cognition: A neurobiological analysis 总被引:2,自引:0,他引:2
In this paper, we suggest that affect meets the traditional definition of "cognition" such that the affect-cognition distinction is phenomenological, rather than ontological. We review how the affect-cognition distinction is not respected in the human brain, and discuss the neural mechanisms by which affect influences sensory processing. As a result of this sensory modulation, affect performs several basic "cognitive" functions. Affect appears to be necessary for normal conscious experience, language fluency, and memory. Finally, we suggest that understanding the differences between affect and cognition will require systematic study of how the phenomenological distinction characterising the two comes about, and why such a distinction is functional. 相似文献
132.
Ruth Feldman 《Current directions in psychological science》2007,16(6):340-345
ABSTRACT— Synchrony—a construct used across multiple fields to denote the temporal relationship between events—has been applied to the study of mother–infant interaction and is suggested here as a framework for the study of interpersonal relationships. Defined as the temporal coordination of micro-level social behavior, parent–infant synchrony is charted in its development across infancy from the initial consolidation of biological rhythms during pregnancy to the emergence of symbolic exchange between parent and child. Synchrony is shown to depend on physiological mechanisms supporting bond formation in mammals—particularly physiological oscillators and neuroendocrine systems such as those involving the hormone oxytocin. Developmental outcomes of the synchrony experience are observed in the domains of self-regulation, symbol use, and the capacity for empathy across childhood and adolescence. Specific disruptions to the parameters of synchrony that may be observed in various pathological conditions, such as prematurity or maternal affective disorder, are detailed. A time-based, micro-analytic behavioral approach to the study of human relationship may offer new insights on intersubjectivity across the lifespan. 相似文献
133.
Marion Minerbo 《The International journal of psycho-analysis》2007,88(3):777-790
Since Freud formulated the death instinct concept, it has received widely diverse interpretations. Even Freud advanced two versions. The concomitant analyses of two films, Ai no corrida (1976) [ In the realm of the senses (1977)] and Broken flowers (2005) evince Thanatos's two faces: the cold death of decathexis of an object, in the case of Don (in Broken flowers) and the hot death of the subject‐object fusion in Sada's case ( Ai no corrida). In our analysis, we elaborate two possible vicissitudes of the death instinct: in Broken flowers, the main character finds an ‘analyst’ and is cured. In Ai no corrida, the protagonist meets a complementary object and goes mad. 相似文献
134.
Feldman J 《Perception & psychophysics》2007,69(5):816-827
Perceptual grouping is the process by which elements in the visual image are aggregated into larger and more complex structures, i.e., "objects." This paper reports a study of the spatial factors and time-course of the development of objects over the course of the first few hundred milliseconds of visual processing. The methodology uses the now well-established idea of an "object benefit" for certain kinds of tasks (here, faster within-object than between-objects probe comparisons) to test what the visual system in fact treats as an object at each point during processing. The study tested line segment pairs in a wide variety of spatial configurations at a range of exposure times, in each case measuring the strength of perceptual grouping as reflected in the magnitude of the object benefit. Factors tested included nonaccidental properties such as collinearity, cotermination, and parallelism; contour relatability; Gestalt factors such as symmetry and skew symmetry, and several others, all tested at fine (25 msec) time-slices over the course of processing. The data provide detailed information about the comparative strength of these factors in inducing grouping at each point in processing. The result is a vivid picture of the chronology of object formation, as objects progressively coalesce, with fully bound visual objects completed by about 200 msec of processing. 相似文献
135.
A framework for rationing by clinical judgment 总被引:1,自引:0,他引:1
Although rationing by clinical judgment is controversial, its acceptability partly depends on how it is practiced. In this paper, rationing by clinical judgment is defined in three different circumstances that represent increasingly wider circles of resource pools in which the rationing decision takes place: triage during acute shortage, comparison to other potential patients in a context of limited but not immediately strained resources, and determination of whether expected benefit of an intervention is deemed sufficient to warrant its cost by reference to published population based thresholds. Notions of procedural justice are applied along with an analytical framework of six minimal requisites in order to facilitate fair bedside rationing: (1) a closed system that offers reciprocity, (2) attention to general concerns of justice, (3) respect for individual variations, (4) application of a consistent process, (5) explicitness, and (6) review of decisions. The process could be monitored for its applicability and appropriateness. 相似文献
136.
Pessoa and colleagues recently reported the novel finding that objective awareness of a negative stimulus is associated with coactivation of the amygdala and fusiform gyrus. Based on the neuroanatomical connections of the amygdala, we suggest that the amygdala is acting to increase neural activity in the fusiform gyrus, thereby increasing the likelihood that visual representations that have affective value reach awareness. The psychological consequence is that a person's momentary affective state might help to select the contents of conscious experience. 相似文献
137.
Robert C. Satterwhite John W. Fleenor Phillip W. Braddy Jack Feldman Linda Hoopes 《International Journal of Selection & Assessment》2009,17(2):154-164
The forces of attraction–selection–attrition have been hypothesized to create homogeneity of personality within organizations, and vocational choice theory predicts that these forces lead to a ‘modal personality’ within given occupations. This study compared the homogeneity of a set of personality characteristics for 6582 incumbents from eight organizations in eight occupations. The results indicated that (1) the homogeneity hypothesis was supported both within organizations as well as within occupations; and (2) the homogeneity within occupations was higher than that found in organizations. 相似文献
138.
Two studies were conducted to examine the link between employee perceptions of the psychological contract and their affective and normative commitments to the organization. The authors adapt a new approach to the study of psychological contracts by developing a generalizable measure of contract features (e.g., scope; time frame). In Study 1 (N = 301), the authors predicted and found that employees’ perceptions of the contract’s features contributed beyond perceptions of contract type (i.e., transactional; relational) and fulfillment to the prediction of affective and normative commitment. In Study 2 (N = 147), the features measure was refined and results from the first study were largely replicated. In both studies, affective and normative commitment were greater when employees viewed the contract as broad, trust-based, equal, negotiated, tangible, and long-term, and weaker when they saw it as unequal, imposed, and short-term. We also found evidence for patterns of features that correspond to transactional and relational contracts, as well as to recently proposed balanced contracts and I-Deals. Implications for theory and the management of psychological contracts are discussed. 相似文献
139.
Different aspects of early sleep organization have been associated with subsequent development in premature infants. The aim of the present study was to assess the relations between rapid eye movement (REM) activity in premature neonates and infants' developmental outcomes at 6 months. Participants were 81 premature infants (47 males). Sleep-wake states and REM were observed across 4 consecutive evening hours (7-11 PM) in 10-s frames when infants were between 32 and 36 weeks post-menstrual age. Developmental outcome was assessed at 6 months with the mental development index (MDI) of the Bayley II. Infants with low-REM activity spent more time in less growth-promoting states, including crying and unfocused alert states in the neonatal period and had lower MDI scores at 6 months corrected age compared to infants with high-REM. Differences between the high- and low-REM groups were independent of neonatal medical risk. Low-REM activity may serve as an indicator of developmental risk among premature neonates. 相似文献
140.
Laurie Beth Feldman Patrick A. O’Connor Fermín Moscoso del Prado Martín 《Psychonomic bulletin & review》2009,16(4):684-691
Many studies have suggested that a word’s orthographic form must be processed before its meaning becomes available. Some interpret
the (null) finding of equal facilitation after semantically transparent and opaque morphologically related primes in early
stages of morphological processing as consistent with this view. Recent literature suggests that morphological facilitation
tends to be greater after transparent than after opaque primes, however. To determine whether the degree of semantic transparency
influences parsing into a stem and a suffix (morphological decomposition) in the forward masked priming variant of the lexical
decision paradigm, we compared patterns of facilitation between semantically transparent (e.g., coolant—cool) and opaque (e.g., rampant—ramp) prime—target pairs. Form properties of the stem (frequency, neighborhood size, and prime—target letter overlap), as well
as related—unrelated and transparent—opaque affixes, were matched. Morphological facilitation was significantly greater for
semantically transparent pairs than for opaque pairs. Ratings of prime—target relatedness predicted the magnitude of facilitation.
The results limit the scope of form-then-meaning models of word recognition and demonstrate that semantic similarity can influence
even early stages of morphological processing. The research reported here was supported by National Institute of Child Health
and Development Grant HD-01994 to Haskins Laboratories. 相似文献