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141.
The purpose of the present investigation was to concurrently examine the latent dimensional and hierarchical structure of anxiety sensitivity (AS) and two key theoretically relevant and related affect (in)tolerance and sensitivity constructs: distress tolerance and discomfort intolerance. These constructs were measured using the Anxiety Sensitivity Index (Reiss, Peterson, Gursky, & McNally, 1986), the Distress Tolerance Scale (Simons & Gaher, 2005), and the Discomfort Intolerance Scale (Schmidt, Richey, & Fitzpatrick, 2006). A total of 229 individuals (124 females; Mage = 21.0 years, SD = 7.5) without current Axis I psychopathology participated by completing a battery of self-report questionnaires. A two-stage exploratory factor analysis was conducted to examine the lower- and higher-order latent structural relations among the variables. The factor solution was subsequently evaluated in relation to negative affectivity, anxious arousal, and anhedonic depression. AS and distress tolerance appeared to be related to one another as distinct lower-order facets of a common higher-order affect tolerance and sensitivity factor, whereas discomfort intolerance did not appear to demonstrate similar relations with either AS or distress tolerance at the lower-order or higher-order levels. A unique pattern of association with theoretically-relevant criterion variables was observed between the affect tolerance and sensitivity higher-order factor, the AS and distress tolerance lower-order factors, and the discomfort intolerance factor. Findings are discussed in the context of theoretical and clinical implications and future directions for the study of affect tolerance and sensitivity in relation to emotional vulnerability. 相似文献
142.
Charles J Holahan Rudolf H Moos Marie L Moerkbak Ruth C Cronkite Carole K Holahan Brent A Kenney 《Journal of family psychology》2007,21(4):551-559
Following a baseline sample of 184 married couples over 10 years, the present study develops a broadened conceptualization of linkages in spouses' functioning by examining similarity in coping as well as in depressive symptoms. Consistent with hypotheses, results demonstrated (a) similarity in depressive symptoms within couples across 10 years, (b) similarity in coping within couples over 10 years, and (c) the role of coping similarity in strengthening depressive similarity between spouses. Spousal similarity in coping was evident for a composite measure of percent approach coping as well as for component measures of approach and avoidance coping. The role of coping similarity in strengthening depressive symptom similarity was observed for percent approach coping and for avoidance coping. These findings support social contextual models of psychological adjustment that emphasize the importance of dynamic interdependencies between individuals in close relationships. 相似文献
143.
New knowledge derived from learned knowledge: functional-anatomic correlates of stimulus equivalence
Schlund MW Hoehn-Saric R Cataldo MF 《Journal of the experimental analysis of behavior》2007,87(2):287-307
Forming new knowledge based on knowledge established through prior learning is a central feature of higher cognition that is captured in research on stimulus equivalence (SE). Numerous SE investigations show that reinforcing behavior under control of distinct sets of arbitrary conditional relations gives rise to stimulus control by new, derived relations. This investigation examined whether frontal-subcortical and frontal-parietal networks known to support reinforced conditional relations also support derived conditional relations. Twelve adult subjects completed matching-to-sample (MTS) training with correct/wrong feedback to establish four trained conditional relations within two distinct, three-member stimulus classes: (1) A1-->B1, B1-->C1 and (2) A2-->B2, B2-->C2. Afterwards, functional neuroimaging was performed when MTS trials were presented involving matching two identical circles (a sensorimotor control condition), trained relations (A-->B, B-->C), and derived relations: symmetry (B-->A, C-->B), transitivity (A-->C), and equivalence (C-->A). Conditional responding to trained and derived relations was similarly correlated with bilateral activation in the targeted networks. Comparing trained to derived relations, however, highlighted greater activation in several prefrontal regions, the caudate, thalamus, and putamen, which may represent the effects of extended training or feedback present during imaging. Each derived relation also evidenced a unique activation pattern. Collectively, the findings extend the role of frontal-subcortical and frontal-parietal networks to derived conditional relations and suggest that regional involvement varies with the type of derived conditional relation. 相似文献
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147.
We describe an original client-server approach to behavioral research control and the Whisker system, a specific implementation
of this design. The server process controls several types of hardware, including digital input/output devices, multiple graphical
monitors and touchscreens, keyboards, mice, and sound cards. It provides a way to access this hardware for client programs,
communicating with them via a simple text-based network protocol based on the standard Internet protocol. Clients to implement
behavioral tasks may be written in any network-capable programming language. Applications to date have been in experimental
psychology and behavioral and cognitive neuroscience, using rodents, humans, nonhuman primates, dogs, pigs, and birds. This
system is flexible and reliable, although there are potential disadvantages in terms of complexity. Its design, features,
and performance are described. 相似文献
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149.
Rudolf Vetschera 《Journal of Multi-Criteria Decision Analysis》1998,7(3):133-143
This paper extends standard agency theoretic models to explicitly take into account the presence of multiple criteria at the agent level. Two approaches for this extension are discussed. In the first approach we consider only the minimum information that the principal might posses about the agent’s preferences for different criteria. It can be shown that in this context the principal has limited possibilities to influence the agent’s behaviour. In the second approach a richer information set is considered. In this context it is possible to determine probabilities of alternatives being selected by the agent. We also analyse how these probabilities can be influenced by the principal and how this affects the principal’s net profit. © 1998 John Wiley & Sons, Ltd. 相似文献
150.
Denise Daniels Rudolf H. Moos Andrew G. Billings John J. Miller III 《Journal of abnormal child psychology》1987,15(2):295-308
Psychosocial risk and resistance factors within the domains of parental functioning, family Stressors, and family resources were examined as predictors of psychological adjustment and physical problems in juvenile rheumatic disease patients (N=93), their healthy siblings (N=72), and demographically matched healthy controls (N=93). Family socioeconomic status and background variables showed few consistent relationships with child functioning. However, a constellation of risk and resistance factors tended to show comparable associations with functioning for patients, siblings, and controls. Higher parental depression and medical symptoms and more family Stressors, sibling problems, and burden of illness on the family predicted more problems among the patients. These relationships held when disease duration and severity were controlled. For the siblings, increased parental and patient dysfunction, more family Stressors, and less family cohesion and expressiveness were associated with more problems. Although the associations were not as strong, mothers' depression and lack of family cohesion and expressiveness also were related to more adjustment problems among the control children. These findings imply that there may be a general association between certain risk and resistance factors and childhood adaptation.This research was supported in part by NIH Multipurpose Arthritis Center Grant AM20610, NIMH Grant MH16744, and Veterans Administration Medical and Health Services Research and Development Service Research funds. Jan Gottlieb provided valuable help in all phases of the research. We appreciate the help of the staff of the Pediatric Rheumatology Clinic at Children's Hospital at Stanford and the families who participated in this study. 相似文献