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181.
Four experiments are reported in which the effects of peripheral cues on visual orienting were investigated. In the luminance condition, the cues consisted of a peripheral change in stimulus luminance. In the isoluminance condition, the cues consisted of an isoluminant color change, using the transient tritanopic technique. In Experiments 1 and 2, it was found that peripheral luminance cues captured attention, whereas peripheral isoluminance cues did not. In Experiments 3 and 4, the participants detected a peripheral target that was also isoluminant with the background. Under these conditions, it was found that both luminance and isoluminance cues captured attention. The results are discussed in terms of the roles of the dorsal and ventral streams in visual orienting, and it is concluded that our findings provide partial support for the contingent involuntary orienting hypothesis of C. Folk and colleagues. 相似文献
182.
Wells AM Lasseter HC Xie X Cowhey KE Reittinger AM Fuchs RA 《Learning & memory (Cold Spring Harbor, N.Y.)》2011,18(11):693-702
Contextual stimulus control over instrumental drug-seeking behavior relies on the reconsolidation of context-response-drug associative memories into long-term memory storage following retrieval-induced destabilization. According to previous studies, the basolateral amygdala (BLA) and dorsal hippocampus (DH) regulate cocaine-related memory reconsolidation; however, it is not known whether these brain regions interact or independently control this phenomenon. To investigate this question, rats were trained to lever press for cocaine reinforcement in a distinct environmental context followed by extinction training in a different context. Rats were then briefly re-exposed to the cocaine-paired context to destabilize cocaine-related memories, or they were exposed to an unpaired context. Immediately thereafter, the rats received unilateral microinfusions of anisomycin (ANI) into the BLA plus baclofen/muscimol (B/M) into the contralateral (BLA/DH disconnection) or ipsilateral DH, or they received contralateral or ipsilateral microinfusions of vehicle. They then remained in their home cages overnight or for 21 d, followed by additional extinction training and a test of cocaine-seeking behavior (nonreinforced active lever responding). BLA/DH disconnection following re-exposure to the cocaine-paired context, but not the unpaired context, impaired subsequent drug context-induced cocaine-seeking behavior relative to vehicle or ipsilateral ANI + B/M treatment. Prolonged home cage stay elicited a time-dependent increase, or incubation, of drug-context-induced cocaine-seeking behavior, and BLA/DH disconnection inhibited this incubation effect despite some recovery of cocaine-seeking behavior. Thus, the BLA and DH interact to regulate the reconsolidation of cocaine-related associative memories, thereby facilitating the ability of drug-paired contexts to trigger cocaine-seeking behavior and contributing to the incubation of cocaine-seeking behavior. 相似文献
183.
Cheryl L. Glickauf-hughes George B. Hughes Marolyn C. Wells 《The American journal of family therapy》2013,41(3):254-263
Abstract While skills development may help some dual-career couples, for others such methods may result in feelings of frustration until certain developmental difficulties are resolved. This article: 1) addresses some problem areas that dual-career couples encounter; 2) reviews proposed solutions for these problems; 3) specifies the necessary personal requirements for mastering these solutions; and 4) suggests some of the unresolved developmental conflicts that can interfere with such mastery. The list of conflicts, proposed solutions, and typical impeding developmental difficulties is not meant to be exhaustive. Rather, this article is intended to convey a way of conceptualizing “problems surrounding problem solving” for dual-career couples. 相似文献
184.
Interpersonal theories suggest that depressed individuals are sensitive to signs of interpersonal rejection, such as angry facial expressions. The present study examined memory bias for happy, sad, angry, and neutral facial expressions in stably dysphoric and stably nondysphoric young adults. Participants' gaze behavior (i.e., fixation duration, number of fixations, and distance between fixations) while viewing these facial expressions was also assessed. Using signal detection analyses, the dysphoric group had better accuracy on a surprise recognition task for angry faces than the nondysphoric group. Further, mediation analyses indicated that greater breadth of attentional focus (i.e., distance between fixations) accounted for enhanced recall of angry faces among the dysphoric group. There were no differences between dysphoria groups in gaze behavior or memory for sad, happy, or neutral facial expressions. Findings from this study identify a specific cognitive mechanism (i.e., breadth of attentional focus) that accounts for biased recall of angry facial expressions in dysphoria. This work also highlights the potential for integrating cognitive and interpersonal theories of depression. 相似文献
185.
186.
Noelle E. Carlozzi Michael David Horner Samet Kose Kaori Yamanaka Alexander Mishory Qiwen Mu Ziad Nahas Sarah A. Wells Mark S. George 《Current psychology (New Brunswick, N.J.)》2010,29(1):24-33
The relationship between reaction time and both state and trait personality variables was investigated in 37 participants
after 30 h of sleep deprivation. Regression analyses suggested that endorsement of greater Novelty Seeking, anger/hostility,
and depression/dejection, and less confusion, was associated with greater reaction time declines on one Multi-Attribute Task
Battery index after sleep deprivation. Further, greater Novelty Seeking and depression/dejection, and less vigor/activity,
was associated with greater reaction time declines after sleep deprivation on another Multi-Attribute Task Battery index.
Additional correlational analyses indicated that better reaction times were associated with greater Novelty Seeking and lower
anger/hostility prior to sleep deprivation, and less confusion/bewilderment following sleep deprivation. Findings suggest
that both state and trait personality variables are associated with reaction time performance following sleep deprivation. 相似文献
187.
The concepts of work-to-family conflict and family-to-work conflict have been studied extensively in recent years. We propose
a different means of understanding clergy work and family stressors because the boundaries between family and work are blurred
within the clerical profession. We suggest, therefore, that the stressors associated with ordained ministry can be better
analyzed if separated into two related, but distinct categories: (1) stressors stemming from the demands of the work (work-related
stress) and (2) stressors stemming from the way the work impinges upon clerical family boundaries (boundary-related stress).
Utilizing the Pulpit and Pew Clergy Leadership Survey of 2001, we explore the association between these two forms of stress.
Correlation analysis and simple and multiple regression models are used. A strong association between work-related stress
and boundary-related stress is detected; length of time spent in the profession is related to reduced levels of boundary-
and work-related stress. 相似文献
188.
189.
The authors investigated eyewitnesses' retrospective certainty (see G. L. Wells & A. L. Bradfield, 1999). The authors hypothesized that extemal influence from the lineup administrator would damage the certainty-accuracy relation by inflating the retrospective certainty of inaccurate eyewitnesses more than that of accurate eyewitnesses (N = 245). Two variables were manipulated: eyewitness accuracy (through the presence or absence of the culprit in the lineup) and feedback (confirming vs. control). Confirming feedback inflated retrospective certainty more for inaccurate eyewitnesses than for accurate eyewitnesses, significantly reducing the certainty-accuracy relation (from r = .58 in the control condition to r = .37 in the confirming feedback condition). Double-blind testing is recommended for lineups to prevent these external influences on eyewitnesses. 相似文献
190.
Abstract Two studies of correlates of the Cognitive Failures Questionnaire (CFQ) are reported. The first study tested for empirical personality correlates of the CFQ; the second study investigated the role of self-consciousness as a possible mediator of the association betyeen cognitive failures and stress vulnerability. Study 1 (n = 60) showed significant correlations between CFQ score and several 16PF primary and secondary traits, notably anxiety. Study 2 (n = 100) used multiple regression to verify the hypothesis that the positive association between CFQ score and anxiety is at least partially mediated by individual differences in self-consciousness. It is concluded that high CFQ subjects are vulnerable to stress because self-attentional processing disrupts their coping strategies. 相似文献