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141.
Mark A. Whisman Emily D. Richardson Andrew Smolen 《Journal of research in personality》2011,(6):706-709
To examine the genetic bases of the behavioral inhibition system (BIS) and the behavioral approach system (BAS), we evaluated the association between the BIS, the BAS, and a functional length polymorphism in the promoter of the serotonin transporter gene (5-HTTLPR) in an unscreened sample of undergraduates (N = 211); analyses were conducted using a two-variant (i.e., biallelic) genotyping and three-variant (i.e., triallelic) genotyping of the 5-HTTLPR polymorphism. People with one or two copies of the low-expressing alleles reported stronger endorsement of the BIS than people who were homozygous for the high-expressing alleles; this association was found for triallelic but not biallelic genotyping of the 5-HTTLPR polymorphism. There was no association between the 5-HTTLPR polymorphism and the BAS scales. 相似文献
142.
时间情景模型提取过程的实质初探:激活与抑制 总被引:1,自引:0,他引:1
采用扇效应技术和负启动实验范式探讨时间情景模型提取过程的实质。实验材料为18个"某人在某时间做某事"的句子,结果发现,实验条件下目标句的反应时显著长于控制条件下目标句的反应时,而两种条件下启动句的反应时无显著差异,出现了显著的负启动效应。这表明,在时间情景模型提取过程中,不仅激活了目标情景模型和与之相关的情景模型,而且对同时激活的相关的情景模型进行了抑制,支持长时记忆提取的抑制观。 相似文献
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144.
Automatic stereotype activation can be overcome intentionally and after an extensive training. However, intentions have to be tailored to a certain social category. It is hypothesized that activating the mindset “think different” by priming creativity prevents stereotypes and associations in general from becoming automatically activated. In two experiments a creative, a thoughtful or no mindset was activated. Afterwards, the activation of associations was measured using a lexical decision task with semantic priming. As predicted, the automatic activation of stereotypes (Study 1) and other associations (Study 2) was found in the control conditions but not in a creative mindset. These results suggest that people possess a mindset that allows for overcoming automatic stereotype activation without being tailored to a specific category. 相似文献
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146.
Seoni J. Llanes David S. Kosson 《Journal of psychopathology and behavioral assessment》2006,28(1):9-18
Recent divided attention studies suggest the impulsive antisocial behavior of psychopaths may be related to deficient processing of information under conditions that place substantial demands on left-hemisphere-specific processing resources (left hemisphere activation (LHA) hypothesis; D. S. Kosson [1996, 1998]). To examine performance under conditions constraining eye movements and covert shifts of attention, 26 psychopathic and 46 nonpsychopathic inmates completed a divided attention task in which lateralized stimuli appeared briefly and simultaneously in the left visual field (LVF) and right visual field (RVF) of a monitor. Targets were either presented primarily in the RVF to induce LHA or were equiprobable in LVF and RVF to promote equal activation (EA) of left and right hemisphere resources. Psychopaths were less accurate than nonpsychopaths only under LHA conditions; within-group comparisons also revealed a substantial decrement from EA to LHA only in psychopaths. Thus, psychopaths’ performance deficits were specific to conditions priming left hemisphere resources asymmetrically. 相似文献
147.
Sandrine Vieillard Charlotte Pinabiaux 《Neuropsychology, development, and cognition. Section B, Aging, neuropsychology and cognition》2019,26(3):407-423
Many studies have examined the effect of aging on the ability to regulate negative emotions but less is known about the way the elderly people control their positive affects. Thirty-eight younger and 38 older adults were compared on their affective, expressive, physiological, and behavioral spontaneous responses to and in expressive regulation of mirth elicited by humorous cartoons. Compared to younger adults, older adults were equally amused and aroused but showed lower expressivity in their spontaneous reaction. They were similarly successful in implementing expressive regulation but they had lower physiological activation under amplification condition and more gaze avoidance from the key areas of the cartoons under suppression condition. This indicates that in older, amplification skills are disjointed from the physiological responses and suppression skills seem supplanted by a less costly strategy of attention redeployment. This also suggests that older adults’ behavior is not driven by a greater preference for positive information. 相似文献
148.
Kristin N. Garrett 《Political psychology》2019,40(3):543-563
Studies provide mounting evidence that morally convicted attitudes elicit passionate and unyielding political responses. Questions remain, however, whether these effects occur because moral conviction is another strong, versus a distinctly moral dimension of attitude strength. Building on work in moral psychology and neuroscience, I argue that moral conviction stems from a distinctive mode of mental processing that is tied to automatic affective reactions. Testing this idea using a lab experiment designed to capture self‐reported moral conviction and physiological arousal, I find that conviction about political objects positively predicts arousal evoked by the objects, while attitude extremity and importance do not. These findings suggest that moral conviction items do tap into moral processing, helping to validate the conviction measure. They also illustrate the value of using physiological indicators to study politics, help explain why morally convicted attitudes trigger such fervent responses, and raise normative questions about political conflict and compromise. 相似文献
149.
Arousal has been found to increase learners' attentional resources. In contrast, seductive details (interesting but learning‐irrelevant information) are considered to distract attention away from relevant information and, thus, hinder learning. However, a possibly moderating role of arousal on the seductive detail effect has not been examined yet. In this study, arousal variations were induced via audio files of false heartbeats. In consequence, 100 participants were randomly assigned to a 2 (with or without seductive details) × 2 (lower vs. higher false heart rates) between‐subjects design. Data on learning performance, cognitive load, motivation, heartbeat frequency, and electro‐dermal activity were collected. Results show learning‐inhibiting effects for seductive details and learning‐enhancing effects for higher false heart rates. Cognitive processes mediate both effects. However, the detrimental effect of seductive details was not present when heart rate was higher. Results indicate that the seductive detail effect is moderated by a learner's state of arousal. 相似文献
150.
2个眼动实验分别探讨强弱语义语境下的否定句加工机制, 以便考察语言理解是命题表征的过程还是经验模拟的过程, 抑或是二者兼具。在实验中, 被试首先听句子(强语义语境:如“胳膊不是弯曲的”的备择选项为“伸直的胳膊”, 其中“弯曲−伸直”为具有反义关系的强语义连接关系; 弱语义语境:如加工“裙子不是蓝色的”的备择选项为“黑色的裙子”, “蓝色−黑色”为弱语义连接关系), 然后会看到4张同时呈现的图片, 被试的任务是按键选择与句子描述匹配的图片。结果发现, 在强语义语境条件下, 被试在早期(201~600 ms时窗)对描述事件否定状态的图片(弯曲的胳膊)与描述事件实际状态的图片(伸直的胳膊)的注视概率没有差别, 晚期(601 ms后)仅对描述事件实际状态的图片的注视概率更高; 弱语义语境条件下, 被试在早期(401~600 ms)仅对描述事件否定状态的图片(蓝裙子)注视概率更高, 晚期(801 ms后)仅对描述事件实际状态的图片(黑色裙子)注视概率更高; 并且, 都对描述事件否定状态的图片的注视概率低于随机水平。结果支持符号依存假设和抑制假设。 相似文献