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161.
Reach tracking reveals dissociable processes underlying inhibitory control in 5‐ to 10‐year‐olds and adults
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Researchers have proposed that two processes featuring distinct types of inhibition support inhibitory control: a response threshold adjustment process involving the global inhibition of motor output and a conflict resolution process involving competitive inhibition among co‐active response alternatives. To target the development of these processes, we measured the reaching behavior of 5‐ to 10‐year‐olds (Experiment 1) and adults (Experiment 2) as they performed an Eriksen flanker task. This method provided two key measures: initiation time (the time elapsed between stimulus onset and movement onset) and reach curvature (the degree to which a movement deviates from a direct path to the selected target). We suggest that initiation time reflects the response threshold adjustment process by indexing the degree of motoric stopping experienced before a movement is started, while reach curvature reflects the conflict resolution process by indexing the degree of co‐activation between response alternatives over the course of a movement. Our results support this claim, revealing different patterns effects in initiation time and curvature, and divergent developmental trajectories between childhood and adulthood. These findings provide behavioral evidence for the dissociation between global and competitive inhibition, and offer new insight into the development of inhibitory control. 相似文献
162.
Echiverri AM Jaeger JJ Chen JA Moore SA Zoellner LA 《Cognitive and behavioral practice》2011,18(3):338-349
Prolonged exposure, a cognitive behavioral therapy including both in vivo and imaginal exposure to the traumatic memory, is one of several empirically supported treatments for chronic posttraumatic stress disorder (PTSD). In this article, we provide a case illustration in which this well-validated treatment did not yield expected clinical gains for a client with PTSD and co-occurring major depression. After providing an overview of the literature, theory, and treatment protocol, we discuss the clinical cascade effect that underlying ruminative processes had on the treatment of this case. Specifically, we highlight how ruminative processes, focusing on trying to understand why the traumatic event happened and why the client was still suffering, resulted in profound emotional distress in session and in a lack of an "optimal dose" of exposure during treatment. 相似文献
163.
Stephen J. McKinney 《Journal of Beliefs & Values》2011,32(3):360-362
164.
Americans have a lot of stuff, but are not necessarily happier for it. One possibility is that even if we want what we have,
we want more. Wanting more may increase have-want discrepancies and reduce well-being. In this paper, we introduce the construct
wanting more, and show that it negatively predicts well-being. We then identify materialism as a mediator of this relationship.
Wanting more negatively effects well-being at least in part because those who want more are more likely to be materialistic.
Finally, we show that wanting more than one has and wanting what one has are distinct constructs, and that wanting what one
has moderates the relationship between wanting more and well-being. Those who want more are less happy only if they also do
not want what they have. Wanting what one has may reduce attention to have-want discrepancies that result from wanting more. 相似文献
165.
Saul M. Kassin Itiel E. Dror Jeff Kukucka 《Journal of applied research in memory and cognition》2013,2(1):42-52
As illustrated by the mistaken, high-profile fingerprint identification of Brandon Mayfield in the Madrid Bomber case, and consistent with a recent critique by the National Academy of Sciences (2009), it is clear that the forensic sciences are subject to contextual bias and fraught with error. In this article, we describe classic psychological research on primacy, expectancy effects, and observer effects, all of which indicate that context can taint people's perceptions, judgments, and behaviors. Then we describe recent studies indicating that confessions and other types of information can set into motion forensic confirmation biases that corrupt lay witness perceptions and memories as well as the judgments of experts in various domains of forensic science. Finally, we propose best practices that would reduce bias in the forensic laboratory as well as its influence in the courts. 相似文献
166.
Miller J 《Psychological research》2006,70(6):484-493
Three experiments using psychological refractory period (PRP) tasks documented backward crosstalk effects in which the nature of the second-task response influenced the first-task response latencies. Such effects are difficult to explain within currently popular bottleneck models, according to which second-task response selection does not begin until first-task response selection has finished. In Experiments 1 and 2, the first of the PRP tasks required a choice reaction time (RT) response, whereas the second task required a go/no-go decision. Task 1 responses were faster when the second task required a go response than when it required a no-go response. Experiment 3 showed that Task 1 RTs were also influenced by the complexity of second-task responses. These backward crosstalk effects indicate that significant second-task processing is carried out in time to influence first-task responses and thus challenge strictly serial bottleneck models. 相似文献
167.
The L-Type voltage-gated calcium channel Cav1.3 mediates consolidation, but not extinction, of contextually conditioned fear in mice
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Using pharmacological techniques, it has been demonstrated that both consolidation and extinction of Pavlovian fear conditioning are dependent to some extent upon L-type voltage-gated calcium channels (LVGCCs). Although these studies have successfully implicated LVGCCs in Pavlovian fear conditioning, they do not provide information about the specific LVGCC isoform involved. Both of the major LVGCC subtypes found in the brain (Cav1.2 and Cav1.3) are targets of the pharmacological manipulations used in earlier work. In this study, we used mice in which the gene for the pore-forming subunit (alpha1D) Cav1.3 was deleted (Cav1.3 knockout mice) to elucidate its contribution to consolidation and extinction of conditioned fear. We find that Cav1.3 knockout mice exhibit significant impairments in consolidation of contextual fear conditioning. However, once sufficiently overtrained, the Cav1.3 knockout mice exhibit rates of extinction that are identical to that observed in wild-type mice. We also find that Cav1.3 knockout mice perform as well as wild-type mice on the hidden platform version of the Morris water maze, suggesting that the consolidation deficit in conditioned fear observed in the Cav1.3 knockout mice is not likely the result of an inability to encode the context, but may reflect an inability to make the association between the context and the unconditioned stimulus. 相似文献
168.
This study describes the development of the Tinnitus Stages of Change Questionnaire (TSOCQ), which aims to assess the readiness of tinnitus patients to change their behaviors and attitudes in relation to tinnitus. Its ability to predict treatment outcome was also investigated. One hundred and fifty-one patients with tinnitus completed the questionnaire. Through repeated principal component analyses, together with judgments of the factors' theoretical relevance, empirically and clinically meaningful scales were derived. A factor solution in accordance with the transtheoretical model (TTM) and with acceptable psychometric properties was found with the five scales of the TSOCQ labeled Precontemplation (Medical Solution), Precontemplation (Helplessness), Contemplation, Preparation and Action/Maintenance. Participants scoring high on Precontemplation (Helplessness) and low on Action/Maintenance had better treatment outcomes. In conclusion, the TSOCQ had some ability to predict treatment success, but further research is required into the utility of the TTM for understanding the rehabilitation process in tinnitus patients. 相似文献
169.
Johnson JW 《The American psychologist》2004,59(2):123-4; discussion 125-6
170.
Donohue B Covassin T Lancer K Dickens Y Miller A Hash A Genet J 《The Journal of general psychology》2004,131(1):29-35
In the present study, the authors examined the severity of psychiatric symptoms in undergraduate recreational (noncompetitive) athletes (n = 64) and National Collegiate Athletic Association (NCAA; competitive) athletes (n = 72). The results indicated that the 2 groups were similar in the severity of psychiatric symptoms. The recreational and NCAA athletes combined (n = 136) showed less severe global psychiatric symptoms when they were compared with an undergraduate control group (n = 435). The implications of the study are discussed in the context of those findings. 相似文献