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81.
Silke Huffziger 《Behaviour research and therapy》2009,47(3):224-230
Rumination has been proposed as a cognitive risk factor for the onset and maintenance of depression. In parallel, mindfulness interventions have shown to reduce the risk for recurrence of depressive episodes. This study aimed to investigate effects of short periods of induced rumination, distraction, and mindful self-focus on sad mood in depressed patients and to assess possible moderator effects of habitual variables on respective mood changes. Seventy-six depressed patients 3.5 years after discharge from inpatient treatment were subjected to negative mood induction and subsequently randomly assigned to a rumination, distraction, or mindful self-focus induction. Habitual aspects of rumination, distraction, and mindfulness were assessed by questionnaires. Compared to rumination, the induction of a mindful self-focus and of distraction showed clear beneficial effects on the course of negative mood. While habitual distraction predicted better mood outcomes across all conditions, patients high in habitual mindfulness tended to show stronger negative mood reduction specifically after the induction of a mindful self-focus. This study indicates that - similar to distraction - an experimentally induced mindful self-focus is able to reduce negative mood in depressed patients. Implications regarding possible subgroups of patients who might particularly benefit from mindfulness-based interventions are discussed. 相似文献
82.
Andrea E. Arthur Rebecca S. Bigler Diane N. Ruble 《Journal of experimental child psychology》2009,(4):427-446
This study provides an experimental test of the hypothesis that level of gender constancy understanding affects children’s sex typing. Preschool-age children (N = 62, mean age = 47 months) were randomly assigned to experimental lessons that taught that biological traits (including gender) are either fixed (pro-constancy condition) or mutable (anti-constancy condition). Posttests revealed that the lessons were effective; children in the pro-constancy condition showed higher gender constancy and appearance–reality distinction scores than did children in the anti-constancy condition. Sex typing did not, however, differ between treatment conditions at immediate and 3-month posttesting. 相似文献
83.
84.
Josef Perner Gerhard Steiner Christine Staehelin 《Journal of experimental child psychology》1981,31(2):177-192
Forty-eight second graders (8 years of age) were trained on length or weight relationships between adjacent members of a five-term series of colored objects. Feedback was visual and of either minimal or strong salience. Differences in weight were assessed by either a balance scale or a spring scale. Results showed that more salient visual feedback reduced the learning effort for length but not for weight comparisons. After training children were tested on all possible object pairs. Children's comparisons of items by length were very accurate in contrast to their comparisons by weight. An explanation for these findings is suggested by the data from a group of 6-year-olds who were trained on two independent pairs of a four-term series. Test results showed that subjects spontaneously encoded absolute lengths but tended to ignore information about the absolute weight of objects. It is suggested that high test accuracy depends on stimulus material for which the absolute values of the relevant dimension are encoded. The implications for taking test performance as an indicator of “transitive reasoning” ability are discussed. 相似文献
85.
Susanna Millar 《Journal of experimental child psychology》1975,19(1):63-78
Three experiments are reported on the relation between children's intramodal and crossmodal visual and kinesthetic performance under conditions varying the difficulty of the input patterns. Crossmodal recognition errors exceeded intramodal errors on distance patterns with two and four constituents by ten-year-olds (Expt 1), and by 5.5-year-olds on single and double distance patterns (Expt 2). Preschoolers showed no significant crossmodal deficits in the recognition of single and double patterns (Expt 2), or in recall of single lengths presented in blocked or alternating order (Expt 3). No interactions between crossmodal errors and pattern difficulty were found. Order of presenting the patterns (Expts 1 and 2), and blocked versus alternating presentations (Expt 3) had significant effects on the relation between intramodal and crossmodal errors. The results are discussed with reference to explanations of crossmodal matching. 相似文献
86.
The nature of acoustic memory and its relationship to the categorizing process in speech perception is investigated in three experiments on the serial recall of lists of syllables. The first study confirms previous reports that sequences comprising the syllables, bah, dah, and gah show neither enhanced retention when presented auditorily rather than visually, nor a recency effect—both occurred with sequences in which vowel sounds differed (bee, bih, boo). This was found not to be a simple vowel-consonant difference since acoustic memory effects did occur with consonant sequences that were acoustically more discriminable (sha, ma, ga and ash, am, ag). Further experiments used the stimulus suffix effect to provide evidence of acoustic memory, and showed (1), increasing the acoustic similarity of the set grossly impairs acoustic memory effects for vowels as well as consonants, and (2) such memory effects are no greater for steady-state vowels than for continuously changing diphthongs. It is concluded that the usefulness of the information that can be retrieved from acoustic memory depends on the acoustic similarity of the items in the list rather than on their phonetic class or whether or not they have “encoded” acoustic cues. These results question whether there is any psychological evidence for “encoded” speech sounds being categorized in ways different from other speech sounds. 相似文献
87.
A lever-press response by rats was reinforced by food in two successively presented types of trial signalled by different discriminative stimuli. When responding was punished by a shock in one type of trial, a groups for which the shock always preceded the reinforcer by .5 sec (positive correlation) showed less suppression in those trials than a group which received the shock and food separated in time (negative correlation). When, in a second experiment, rats were given a choice between food alone in one end of a shuttle box and either positively or negatively correlated shock and food in the other on a concurrent schedule, the group receiving the negatively correlated shock showed a greater preference for the food alone end. On the basis of a third experiment in which a tone was substituted for the shock in the choice situation, it was argued that the effect of correlation was not simply due to the stimulus properties of the shock. A final experiment demonstrated that when shock punishment is administered during extinction of the lever-press response, the rate of extinction is slower if the shock has been previously paired with the food reinforcer. Pairing a shock with food seems to attenuate the intrinsic aversiveness of the shock through Pavlovian counterconditioning. 相似文献
88.
Donald Laming 《Acta psychologica》1979,43(3):199-224
Some data are presented showing the changes in choice-reaction time (CRT) and the probability of error (PE) on the five trials following an error in a two-choice experiment. The magnitudes of the increase in RT and the decrease in PE are different according as the error-trial stimulus is re-presented or the alternative stimulus is preservec. In addition, RT is quicker to recover its equilibrium value than is PE.This pattern of changes implicates two distinct adjustments to the underlying decision process following an error: (i) a selective outward adjustment of the boundary at which the error was uttered, and (ii) a delay, with respect to presentation of the reaction stimulus, of the epoch at which the subject begins sampling information from the stimulus display. When these ideas are concatenated with the sequential probability-ratio-test model for CRT, a theoretical relation can be derived between the difference in mean RT for an error and for the same response given correctly, on the one hand, and the decrease in PE on the trial following an error, given that the alternate stimulus is presented, on the other. This relation is satisfied by the data. 相似文献
89.
In two experiments, analogous to those reported by Marcus (1976) with English words and subjects, we determined the psychological moment of occurrence (p-centre) of Dutch digit names. In the first experiment we determined the p-centres for the digits 1 through 10 and compared the empirical results with values calculated from the formula that Marcus defines over the acoustic characteristics of stimulus words. We found good agreement between empirical and predicted values. In a second experiment we studied the effect of cycle time and repeated measurement on perceptual centres. The results confirm the independence of the p-centre phenomenon from practice and periodicity. A comparison of ‘identical’ and ‘non-identical’ stimulus pairs shows that larger variances are associated with the former condition. 相似文献
90.
Zachary C. Irving Aaron Glasser Alison Gopnik Verity Pinter Chandra Sripada 《Cognitive Science》2020,44(10):e12908
Although mind-wandering research is rapidly progressing, stark disagreements are emerging about what the term “mind-wandering” means. Four prominent views define mind-wandering as (a) task-unrelated thought, (b) stimulus-independent thought, (c) unintentional thought, or (d) dynamically unguided thought. Although theorists claim to capture the ordinary understanding of mind-wandering, no systematic studies have assessed these claims. Two large factorial studies present participants (N = 545) with vignettes that describe someone's thoughts and ask whether her mind was wandering, while systematically manipulating features relevant to the four major accounts of mind-wandering. Dynamics explains between four and 40 times more variance in participants' mind-wandering judgments than other features. Our third study (N = 153) tests and supports a unique prediction of the dynamic framework—obsessive rumination contrasts with mind-wandering. Our final study (N = 277) used vignettes that resemble mind-wandering experiments. Dynamics had significant and large effects, while task-unrelatedness was nonsignificant. These results strongly suggest that the central feature of mind-wandering is its dynamics. 相似文献