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Both demonstrated that response error plays a role in instrumental extinction. When a discriminated operant response is not reinforced, response error correction may cause the animal to learn to suppress that specific response. GS-0976 (PsycInfo Database Record (c) 2020 APA, all rights reserved).Realistic, everyday rewards contain multiple components. An apple has taste and size. However, we choose in single dimensions, simply preferring some apples to others. How can such single-dimensional preference relationships refer to multicomponent choice options? Here, we measured how stochastic choices revealed preferences for 2-component milkshakes. The preferences were intuitively graphed as indifference curves that represented the orderly integration of the 2 components as trade-off parts of 1 component were given up for obtaining 1 additional unit of the other component without a change in preference. The well-ordered, nonoverlapping curves satisfied leave-one-out tests, followed predictions by machine learning decoders and correlated with single-dimensional Becker-DeGroot-Marschak (BDM) auction-like bids for the 2-component rewards. This accuracy suggests a decision process that integrates multiple reward components into single-dimensional estimates in a systematic fashion. In interspecies comparisons, human performance matched that of highly experienced laboratory monkeys, as measured by accuracy of the critical trade-off between bundle components. These data describe the nature of choices of multicomponent choice options and attest to the validity of the rigorous economic concepts and their convenient graphic schemes for explaining choices of human and nonhuman primates. The results encourage formal behavioral and neural investigations of normal, irrational, and pathological economic choices. (PsycInfo Database Record (c) 2020 APA, all rights reserved).Extant research on passion is replete with individual-level studies. Although team-level studies have emerged, these empirical studies have adopted a static approach. We pivot from the predominant static focus on passion by examining passion convergence, or the dynamic pattern of increasing similarity in passion among members of a team. Drawing on multilevel theory of emergence in teams and using the novel consensus emergence model approach, we theorize the phenomenon of passion convergence and focus on how within-team experiences of progress and setback shape passion convergence. We also analyze the impact of passion convergence on team performance. Data from 314 individuals nested in 82 new venture teams indicate that experiencing team progress facilitated passion convergence, whereas experiencing team setbacks did not have a significant impact on passion convergence. Results also suggest that teams with members converging on a high level of passion positively predicted team performance. We discuss the theoretical and practical significance of our study. (PsycInfo Database Record (c) 2020 APA, all rights reserved).The brain's ability to integrate information from the different senses is essential for decreasing sensory uncertainty and ultimately limiting errors. Temporal correspondence is one of the key processes that determines whether information from different senses will be integrated and is influenced by both experience- and task-dependent mechanisms in adults. Here we investigated the development of both task- and experience-dependent temporal mechanisms by testing 7-8-year-old children, 10-11-year-old children, and adults in two tasks (simultaneity judgment, temporal order judgment) using audiovisual stimuli with differing degrees of association based on prior experience (low for beep-flash vs. high for face-voice). By fitting an independent channels model to the data, we found that while the experience-dependent mechanism of audiovisual simultaneity perception is already adult-like in 10-11-year-old children, the task-dependent mechanism is still not. These results indicate that differing maturation rates of experience-dependent and task-dependent mechanisms underlie the development of multisensory integration. Understanding this development has important implications for clinical and educational interventions. (PsycInfo Database Record (c) 2020 APA, all rights reserved).
Treatment options for patients presenting with life-threatening splanchnic ischemia, including that of the intestine and liver, could previously only receive salvage surgery and attempted medical revascularization. We propose that urgent liver transplantation (LT) for acute liver failure (ALF) due to massive liver necrosis should be considered as a life-saving treatment. We successfully performed urgent living donor LT for nonocclusive hepatic ischemia accompanied by nonocclusive mesenteric ischemia (NOMI).
An 11-month-old boy with biliary atresia whose jaundice was re-elevated after Kasai portoenterostomy underwent cysto-jejunostomy. Three hours after the uneventful operation, tachycardia, hypotension, and unconsciousness suddenly occurred. Computed tomography revealed whole-liver and massive splenic and focal intestinal ischemia without any vessel occlusion. Urgent LT was performed on postoperative day 3 because intensive therapies, including prostaglandin E1 administration, blood transfusion, and continuous hemodiafiltration, were not effective and the patient had developed life-threatening bradycardia and hypotension. Intraoperative findings included whole-liver necrosis and splenic ischemia and segmental ileal necrosis without any vessel thrombus. LT and necrotic intestinal resections by end-to-end anastomosis were performed. Massive liver necrosis with Gram-positive cocci was histopathologically identified, indicating bacterial translocation due to NOMI. The post-LT course was uneventful, and the neurologic outcomes were uncomplicated.
Urgent LT was successfully completed for ALF with NOMI. LT is the sole treatment for the refractory ALF, and undelayed determination is important to rescue.
Urgent LT was successfully completed for ALF with NOMI. LT is the sole treatment for the refractory ALF, and undelayed determination is important to rescue.
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