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31.
There is a wealth of evidence demonstrating enhanced attention to threat in high trait anxious individuals (HTA) compared with low trait anxious individuals (LTA). In two experiments, we investigated whether this attentional bias is related to facilitated attentional engagement to threat or difficulties disengaging attention from threat. HTA and LTA undergraduates performed a modified exogenous cueing task, in which the location of a target was correctly or incorrectly cued by neutral, highly and mildly threatening pictures. Results indicate that at 100 ms picture presentation, HTA individuals more strongly engaged their attention with and showed impaired disengagement from highly threatening pictures than LTA individuals. In addition, HTA individuals showed a stronger tendency to attentional avoidance of threat at the 200 and 500 ms picture presentation. These data provide evidence for differential patterns of anxiety-related biases in attentive processing of threat at early versus later stages of information processing.  相似文献   
32.
According to higher order reasoning accounts of human causal learning (e.g., Lovibond, Been, Mitchell, Bouton, and Frohardt, 2003; Waldmann and Walker, 2005) ceiling effects in forward blocking (i.e., smaller blocking effects when the outcome occurs with a maximal intensity on A+ and AX+ trials) are due to the fact that people are uncertain about the causal status of a blocked cue X in a forward blocking design when the outcome is always fully present on A+ and AX+ trials. This should not be the case for a reduced overshadowing cue Y (B- trials followed by BY+ trials). We tested this hypothesis by asking participants which additional information they preferred to see after seeing all learning trials. Results showed (1) that all participants preferred to see the effect of the blocked cue X over seeing the effect of the reduced overshadowing cue Y (Experiment 1), and (2) that more participants preferred to see the blocked cue X on its own when the outcome on A+ and AX+ trials was fully present than when the outcome on those trials had a submaximalintensity (Experiment 2).  相似文献   
33.
This study examined the short-interval test-retest reliability of the Structured Clinical Interview (SCID-II: First, Spitzer, Gibbon, & Williams, 1995) for DSM-IV personality disorders (PDs). The SCID-II was administered to 69 in- and outpatients on two occasions separated by 1 to 6 weeks. The interviews were conducted at three sites by ten raters. Each rater acted as first and as second rater and equal number of times. The test-retest interrater reliability for the presence or absence of any PD was fair to good (kappa = .63) and was higher than values found in previous short-interval test-retest studies with the SCID-II for DSM-III-R. Test-retest reliability coefficients for trait and sumscores were sufficient, except for dependent PD. Values for single criteria were variable, ranging from poor to good agreement. Further large-scale test-retest research is needed to test the interrater reliability of more categorical diagnoses and single traits.  相似文献   
34.
If a person, A, branches into B and C, then it is widely held that B and C are not identical to one another. Many think that this is because B and C have contradictory properties at the same time. In this paper, I show why this explanation cannot be right. I argue that contradictory properties at times are not necessary for non‐identity between descendants, and that contradictory properties at times are not sufficient for non‐identity. I also argue that the standard explanation cannot be salvaged by a shift to personal time. Appeals to a lack of continuity, or to the absence of unity of consciousness likewise fail. Rather, B and C are non‐identical simply because A branched into B and C. Why branching should be problematic for personal identity remains a deep puzzle though I offer some tentative suggestions.  相似文献   
35.
The impact of gender role stereotyping in children's literature has been examined in numerous studies over the past two decades. The purpose of this study was to determine whether the sex bias portrayed in picture books is still as prevalent as in the past. In particular, we were interested in whether the frequency of males and females in pictures and their characterizations had changed. One hundred and fifty children's picture books were analyzed for gender role content. It was found that while the frequency of males and females depicted in the stories had indeed become more evenly distributed over the past 50 years, the roles played by males and females have changed in a more subtle way. Girls are now being pictured in more instrumental activities, but are as passive dependent as 50 years ago. Boys are occasionally shown as passive dependent today, but are no less instrumental than 50 years ago. The findings suggest that increased effort is needed on the part of publishers and authors to provide children with literature that more closely parallels the roles of males and females in contemporary society.Preparation of this article was supported in part by a Faculty Grant from Monmouth College awarded to the second author.  相似文献   
36.
Previous research has indicated that conditioning depends on contingency awareness (CA). However, we argue that these studies have examined this issue under methodological conditions that might be insensitive to associative learning without CA. In the present study we examined the effect of an experimental manipulation of CA on attentive processing of classically conditioned stimuli, which is sensitive to associative learning with and without CA. We found that aversive conditioning with additional contingency instructions modulated visual attention, in the sense that the conditioned cues captured and held attention more strongly than the non-conditioned cues. Surprisingly, conditioning under conditions of restricted CA yielded a response pattern that was different from that under full CA. These findings suggest that conditioning with full and restricted CA can lead to qualitatively different effects on attention.  相似文献   
37.
Psychological Research - Recent studies have suggested that the threat of pain may redirect attention towards specific features of the pain stimulus via attentional control settings. For instance,...  相似文献   
38.
Body image: gender, ethnic, and age differences   总被引:6,自引:0,他引:6  
Using figure drawings (E. Fallon & P. Rozin, 1985), 120 male and female U.S. college students--African American, Hispanic, and Caucasian--indicated their current and ideal figures, the figures that they considered most attractive to the opposite sex, and the opposite-sex figures most attractive to themselves. Dissatisfaction with body shape was greater among the women regardless of ethnicity. Both the men and the women misjudged which shapes the opposite sex would rate as most attractive: The women guessed that the men preferred shapes thinner than those that they actually reported. The African American women had the most accurate perceptions of what the men found attractive, whereas the Caucasian women had the most distorted views. The men guessed that the women preferred shapes bulkier than those that they actually indicated. These findings may be relevant to the lower incidence of eating disorders among African American women and the higher incidence of such disorders among Caucasian women.  相似文献   
39.
According to cognitive theory, an important factor in borderline personality disorder (BPD) is hypervigilance. The aim of the present study was to test whether BPD patients show schema-related biases, and to explore relations with childhood trauma, schemas, and BPD symptoms. Sixteen BPD patients were compared with 18 patients with a cluster C personality disorder, 16 patients with an axis I disorder, and 16 normal controls. An emotional Stroop task was applied with schema-related and unrelated, negative and positive, supra- and subliminal person-related stimuli. BPD patients showed hypervigilance for both negative and positive cues, but were specifically biased towards schema-related negative cues. Predictors were BPD schemas, childhood sexual traumas, and BPD anxiety symptoms. Both BPD and axis I disorder patients showed a trend for a bias for negative schema-related subliminal stimuli. More attention to hypervigilance in BPD is recommended for clinical practice.  相似文献   
40.
Tactile perception is often impaired during movement. The present study investigated whether such sensory suppression also occurs during back movements, and whether this would be modulated by attention. In two tactile detection experiments, participants simultaneously engaged in a movement task, in which they executed a back-bending movement, and a perceptual task, consisting of the detection of subtle tactile stimuli administered to their upper or lower back. The focus of participants’ attention was manipulated by raising the probability that one of the back locations would be stimulated. The results revealed that tactile detection was suppressed during the execution of the back movements. Furthermore, the results of Experiment 2 revealed that when the stimulus was always presented to the attended location, tactile suppression was substantially reduced, suggesting that sensory suppression can be modulated by top-down attentional processes. The potential of this paradigm for studying tactile information processing in clinical populations is discussed.  相似文献   
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