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71.
Marchand A Coutu MF Dupuis G Fleet R Borgeat F Todorov C Mainguy N 《Cognitive behaviour therapy》2008,37(3):146-159
Few randomized controlled trials have included panic disorder patients with moderate to severe agoraphobia. Therefore, this population was studied using pharmacotherapy as well as psychotherapy. At the time of the study, imipramine was widely used as a pharmacological treatment. Also, current practice guidelines for patients with panic disorder find selective serotonin reuptake inhibitors and tricyclic antidepressants roughly comparable in terms of efficacy. Therefore, the main objective of this study is to compare four psychosocial treatments-cognitive and graded in vivo exposure treatments, graded in vivo exposure, cognitive treatment, and supportive therapy-to evaluate the benefits of combining cognitive therapy with exposure in vivo. These treatments were combined with imipramine or placebo for a total of eight experimental conditions. Participants presented moderate to severe agoraphobia. The method involved a randomized, double-blind, placebo-controlled trial with 137 participants who completed a 14-session protocol involving the treatments just mentioned. Measures were taken at baseline and posttreatment and at 3-, 6-, and 12-month follow-up. All treatment conditions were statistically and clinically effective in reducing self-reported panic-agoraphobia symptoms over the 1-year follow-up. No statistical differences were observed between imipramine and placebo conditions. This study found that all treatment modalities helped reduce panic and agoraphobic symptomatology over a 1-year follow-up period. These surprising results support the need to document the relations among the various components of an intervention. This would make it possible to assess the relative efficacy of the treatment components rather than of the intervention as a whole. 相似文献
72.
Permanency planning is a critical issue facing all children in foster care. Foster children frequently suffer from developmental delays and severe behavior problems, often leading to repeated displacements that in turn increase the risk for attachment disorders. To prevent the emergence of such disturbances, an Attachment Clinic was developed in Montreal to offer consultation to Youth Protection workers. A specific problem has frequently been identified in this Clinic: Should a child who has developed a significant attachment to his or her foster parents return to the biological parents or stay in the foster family? The choice between the two families is even more difficult when the parenting competencies of the biological parents seem to have progressed while the child has developed secure attachments in the foster family. Clinical cases will be presented to illustrate such dilemmas. Concepts rooted in attachment theory have been very useful to understand such problems, and have led us to believe that children's best interests lie in the preservation of their attachment ties and that repeated ruptures of such ties constitute a severe trauma. Resistances of the milieu to our position will be discussed as well as the Court's decisions in light of Canadian jurisprudence. 相似文献
73.
Katharina Paul Wioleta Walentowska Jasmina Bakic Thibaut Dondaine Gilles Pourtois 《Cognitive, affective & behavioral neuroscience》2017,17(1):106-123
Goal-adaptive behavior requires the rapid detection of conflicts between actions and intentions or goals. Although many studies have focused in the past on the influence of negative affect on this cognitive control process (and more specifically, on error monitoring), little is known about the possible modulatory effects of positive affect on it. To address this question, we used a standard (positive) mood induction procedure (based on guided imagery) and asked participants to carry out a speeded go/no-go task while high-density electroencephalography was recorded concurrently. As a control condition, we used a group with neutral mood. Event-related potential results showed that the error-related negativity (ERN) component, reflecting early error detection within the dorsal anterior cingulate cortex, was not influenced by happy mood. In contrast, the subsequent error positivity (Pe) component, related to the appraisal of the motivational significance of errors, was reliably smaller in the happy than in the neutral mood group. Complementing source localization analyses showed that this effect was explained by decreased activation within the posterior cingulate and insular cortices. These results were obtained in the absence of group differences regarding behavioral performance and tonic arousal. These findings suggest that happy mood likely decreases and changes the motivational significance of worse-than-expected events (Pe), while leaving their earlier automatic detection (ERN) unaltered. We discuss these new results in terms of dynamic changes in the complex interplay of performance monitoring with motivation. 相似文献
74.
Using detailed information on employment trajectory provided by the Longitudinal Survey of Immigrants to Canada, this study examines the labor market outcomes of recent immigrants in terms of the duration until access to a first job in their intended occupation, as determined by a question in the first wave interview on labor market intentions. The matching between actual and intended occupations is obtained from the first two digits of the National Occupational Classification codes, which consider successively occupation type and skill level. Using a Cox proportional hazards model, the study investigates the roles of factors related to human and social capital in speeding up the matching process between actual and intended occupations. It is found that the initial year in Canada is critical for an immigrant to land a job in the intended field; after that period, the hazards of finding employment in the intended occupation flatten down. In general, those with intention to work in nonprofessional jobs, such as sales and services, trades, transport and equipment operators, primary industry, and processing and manufacturing occupations, enter the first job in the intended occupation more quickly. The results also show that education, English language ability, Canadian work experience, and friend networks facilitate access to the intended occupation. 相似文献
75.
The present experiment was designed to investigate whether the learning of goal-directed locomotion is effector independent. To answer this question a bilateral transfer of learning paradigm was used. We wanted to find out whether learning can be transferred from a trained effector system to an untrained one. Sixteen participants were asked to proceed through virtual hallways, while walking on a treadmill or handling of a joystick, in order to cross a pair of oscillating doors. Participants received 1050 training trials on the specific effector system before being transferred to the untrained one. Results indicated a clear transfer from handling to walking and only a moderate transfer from walking to handling. This asymmetrical transfer provides partial support in favor of the effector independent hypothesis. Both the theoretical implications of this work and the possible mediating effect of calibration are discussed. 相似文献
76.
Spatial and temporal adaptations that accompany increasing catching performance during learning 总被引:1,自引:0,他引:1
The authors studied changes in performance and kinematics during the acquisition of a 1-handed catch. Participants were 8 women who took an intensive 2-week training program during which they evolved from poor catchers to subexpert catchers. An increased temporal consistency, shift in spatial location of ball-hand contact away from the body, and higher peak velocity of the transport of the hand toward the ball accompanied their improvement in catching performance. Moreover, novice catchers first adjusted spatial characteristics of the catch to the task constraints and fine-tuned temporal features only later during learning. A principal components analysis on a large set of kinematic variables indicated that a successful catch depends on (a) forward displacement of the hand and (b) the dynamics of the hand closure, thereby providing a kinematic underpinning for the traditional transport-manipulation dissociation in the grasping and catching literature. 相似文献
77.
The present study examined whether the beneficial role of coherently grouped visual motion structures for performing complex (interlimb) coordination patterns can be generalized to synchronization behavior in a visuo-proprioceptive conflict situation. To achieve this goal, 17 participants had to synchronize a self-moved circle, representing the arm movement, with a visual target signal corresponding to five temporally shifted visual feedback conditions (0%, 25%, 50%, 75%, and 100% of the target cycle duration) in three synchronization modes (in-phase, anti-phase, and intermediate). The results showed that the perception of a newly generated perceptual Gestalt between the visual feedback of the arm and the target signal facilitated the synchronization performance in the preferred in-phase synchronization mode in contrast to the less stable anti-phase and intermediate mode. Our findings suggest that the complexity of the synchronization mode defines to what extent the visual and/or proprioceptive information source affects the synchronization performance in the present unimanual synchronization task. 相似文献
78.
In a previous investigation, Palmer, Donaldson, and Stough (2002) examined the incremental predictive validity of the subscales from the TMMS and TAS-20 in predicting life satisfaction. To this effect, Palmer et al. (2002) used multiple regression and reported that only the Clarity (β = .20) subscale from the TMMS was uniquely related to SWLS. In this investigation, structural equation modeling was used for the purposes of modeling a general EI factor as a potential incrementally predictive predictor of life satisfaction. The results demonstrated that a general EI factor was associated with SWLS at β = .61 and that this effect was only partially mediated by PA and NA, such that the validity coefficient was reduced to β = .49. The results are discussed in light of the advantages of using structural equation modeling, even in cases where the sample size may not be considered particularly large (i.e., N = 100). 相似文献
79.
Green Sarah L. Gignac Gilles E. Watson Prue A. Brosnan Nicky Becerra Rodrigo Pestell Carmela Weinborn Michael 《Neuropsychology review》2022,32(1):51-69
Neuropsychology Review - Apathy and depression are common sequelae of acquired brain injury (ABI). Apathy is a syndrome characterized by diminished motivation and purposeful behaviours. Depression... 相似文献