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161.
A number of recent studies have indicated that newborns can learn to recognize mother's face within a few hours of birth. Two of the present authors suggested that a simple auto-associative net might explain that rapid learning. This paper reports three experiments in which the newborn's ability to recognize a learned face over three transformations was tested. The transformations were: (1) a photonegative transformation, (2) a size change and (3) rotation in the third dimension of visual space. Existing auto-associative nets cannot maintain identification across these transformations. The newborns succeeded with all three. An alternative proposal based on the idea that there is a built-in specification of the true shape of a face in the frontal parallel plane is outlined. These data present a challenge not only to associationist theories but also to their main rival, differentiation theory. 相似文献
162.
D. M. Armstrong 《Philosophical Studies》1976,30(2):125-127
163.
Children in kindergarten-first grades and fourth-sixth grades (6 and 10 years of age, respectively) participated in one of two experiments and performed either a simple motor task or (for older children only) a two-choice simultaneous discrimination task at two difficulty levels. Children received either positive, negative, or no peer comparison statements (describing how other children their age had allegedly performed) and either praise, silence (in Experiment 2 only), or criticism on a fixed-interval 20-second schedule throughout the task. Young children were more responsive to adult evaluation of their performance than to peer comparison. Expectancies created by peer comparisons affected older children's motor performance most if they received reinforcement contrary to the expectancy. In situations requiring greater cognitive ability, older children, particularly boys, responded to the performance expectancies created by positive peer comparison. Older boys, compared with older girls, seemed to be more sensitive to peer comparison and social reinforcement. 相似文献
164.
Techniques are presented for analyzing data collected as a function of: a circular independent variable (e.g., angle, direction, or orientation) or an independent variable which is cyclical (e.g., months of the year). The procedures are presented in a tutorial manner, emphasizing their relationship to more traditional statistics in experimental psychology. 相似文献
165.
Memory & Cognition - When subjects classify a two-word display as representing the “same” category or two “different” categories, semantic similarity between the words... 相似文献
166.
The social network concept can be used to guide the extension of the mental health clinician's role to the practice of prevention on the local level. A model of such work is described which builds on clinical skills in collaborative consultation with formal and informal social support networks in a community. The model is illustrated and expanded through a case example of a project in a rural New England town to address issues of stress and support for frail elders. Focusing on the social network of such elders, consultations were developed to address the needs of middle generation caregivers, natural helpers, organized community associations, general community attitudes toward aging, and the ability of the community to secure and use outside resources. Issues of community entry through natural sponsorship are reviewed and the overall process of community empowerment is emphasized as a guiding principle in work with social networks. 相似文献
167.
Metamorphosis of the Mushroom Bodies; Large-Scale Rearrangements of the Neural Substrates for Associative Learning and Memory in Drosophila 总被引:4,自引:0,他引:4 下载免费PDF全文
J. Douglas Armstrong J. Steven de Belle Zongsheng Wang Kim Kaiser 《Learning & memory (Cold Spring Harbor, N.Y.)》1998,5(1):102-114
Paired brain centers known as mushroom bodies are key features of the circuitry for insect associative learning, especially when evoked by olfactory cues. Mushroom bodies have an embryonic origin, and unlike most other brain structures they exhibit developmental continuity, being prominent components of both the larval and the adult CNS. Here, we use cell-type-specific markers, provided by the P{GAL4} enhancer trap system, to follow specific subsets of mushroom body intrinsic and extrinsic neurons from the larval to the adult stage. We find marked structural differences between the larval and adult mushroom bodies, arising as the consequence of large-scale reorganization during metamorphosis. Extensive, though incomplete, degradation of the larval structure is followed by establishment of adult specific α and β lobes. Kenyon cells of embryonic origin, by contrast, were found to project selectively to the adult γ lobe. We propose that the γ lobe stores information of relevance to both developmental stages, whereas the α and β lobes have uniquely adult roles. 相似文献
168.
Lawrence M. Ward Juliet Armstrong Narly Golestani 《Attention, perception & psychophysics》1996,58(5):793-801
Several successful theories of psychophysical judgment imply that exponents of power functions in scaling tasks should covary with measures of intensity resolution such asd’ in the same tasks, whereas the prevailing metatheory of ideal psychophysical scaling asserts the independence of the two. In a direct test of this relationship, three prominent psychophysical scaling paradigms were studied: category judgment without an identification function, absolute magnitude estimation, and cross-modality matching with light intensity as the response continuum. Separate groups of subjects for each scaling paradigm made repeated judgments of the loudnesses of the pure tones that constituted each of two stimulus ensembles. The narrow- and wide-range ensembles shared six identical stimulus intensities in the middle of each set. Intensity resolution, as measured byd’-like distances, of these physically identical stimuli was significantly worse for the wide-range set for all three methods. Exponents of power functions fitted to geometric mean responses, and in magnitude estimation and cross-modality matching the geometric mean responses themselves, were also significantly smaller in the wide-range condition. The variation of power function exponents, and of psychophysical scale values, for stimulus intensities that were identical in the two stimulus sets with the intensities of other members of the ensembles is inconsistent with the metatheory on which modern psychophysical scaling practice is based, although it is consistent with other useful approaches to measurement of psychological magnitudes. 相似文献
169.
170.
Ruth M. Armstrong 《Pastoral Psychology》1982,31(2):129-134
Traditionally, it has been woman's function to nurture; that is, to promote well-being. In view of this, it is fitting to consider the extent to which women may succeed as counselors in the pastoral context. Although possibly hindered by prejudicial attitudes in professional relations with male counselees, women pastors can be uniquely effective in their outreach to other women as well as to married couples and children. Ministering roles include those of mother figure, confidante, conciliator, and preceptress for healthy conscience development. In Jungian terminology, a woman pastoral counselor can serve as the anima which strives to relate the inner self to Christian values. 相似文献