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261.
van Lee Hanna S. Rendsvig Rasmus K. van Wijk Suzanne 《Journal of Philosophical Logic》2019,48(6):1077-1118
Journal of Philosophical Logic - In dynamical multi-agent systems, agents are controlled by protocols. In choosing a class of formal protocols, an implicit choice is made concerning the types of... 相似文献
262.
Memory is susceptible to distortions. Valence and increasing age are variables known to affect memory accuracy and may increase false alarm production. Interaction between these variables and their impact on false memory was investigated in 36 young (18-28 years) and 36 older (61-83 years) healthy adults. At study, participants viewed lists of neutral words orthographically related to negative, neutral, or positive critical lures (not presented). Memory for these words was subsequently tested with a remember-know procedure. At test, items included the words seen at study and their associated critical lures, as well as sets of orthographically related neutral words not seen at study and their associated unstudied lures. Positive valence was shown to have two opposite effects on older adults' discrimination of the lures: It improved correct rejection of unstudied lures but increased false memory for critical lures (i.e., lures associated with words studied previously). Thus, increased salience triggered by positive valence may disrupt memory accuracy in older adults when discriminating among similar events. These findings likely reflect a source memory deficit due to decreased efficiency in cognitive control processes with aging. 相似文献
263.
Suzanne B. Shu 《决策行为杂志》2008,21(4):352-377
Decision‐makers with ideal candidates already in mind often extend search beyond optimal endpoints when searching for the best option among a sequential list of alternatives. Extended search is investigated here using three laboratory experiments; individuals in these tasks exhibit future‐bias, delaying choice beyond normative benchmarks. Searchers' behavior is consistent with setting high thresholds based on a focal ideal outcome without full attention to its probability or the value of second‐best alternatives; the behavior is partially debiased by manipulating which outcomes are in the searchers' focal set. Documenting future‐bias in sequential search tasks offers new insights for understanding self‐control and intertemporal choice by providing a situation in which thresholds may be set too high and myopic behavior does not prevail. Copyright © 2008 John Wiley & Sons, Ltd. 相似文献
264.
What is the relationship between memory and appetite? We explored this question by examining preferences for recently consumed food in patients with amnesia. Although the patients were unable to remember having eaten, and were inclined to eat multiple meals, we found that sensory-specific satiety was intact in these patients. The data suggest that sensory-specific satiety can occur in the absence of explicit memory for having eaten and that impaired sensory-specific satiety does not underlie the phenomenon of multiple-meal eating in amnesia. Overeating in amnesia may be due to disruption of learned control by physiological aftereffects of a recent meal or to problems utilizing internal cues relating to nutritional state. 相似文献
265.
Rosario M Salzinger S Feldman RS Ng-Mak DS 《American journal of community psychology》2008,41(1-2):43-62
The roles of social support and coping as intervening processes between exposure to community violence and internalizing symptoms were examined longitudinally among a community sample of 667 middle school students in the inner city. After controlling for potential confounders (e.g., social desirability, victimization and witnessing of family violence, guardian's psychological symptomatology), internalizing symptoms at Year 2 were predicted by hypothesized changes over 1 year, such that increased community violence exposure, decreased guardian and peer support, and increased use of defensive and confrontational behavioral coping were related to more internalizing symptoms of anxiety, depression and PTSD, although some of these relations varied by gender. The relations between internalizing symptoms at Year 3 and increased changes in exposure to community violence over 2 years were moderated by social support and/or coping, such that decreased guardian support and increased use of defensive and confrontational coping were generally associated with more symptoms for boys exposed to community violence. Girls who witnessed increased community violence and who increased their use of defensive or confrontational coping experienced more internalizing symptoms. The findings underscore the importance of developmental and contextual considerations in the design and implementation of interventions. 相似文献
266.
The extent to which categorization of natural classes in animals reflects a generalization based on perceptual similarity versus an abstract conceptual representation remains unclear. Here, two experiments were conducted to identify the perceptual features used by orangutans when categorizing pictures. In Experiment 1, subjects were trained and tested for transfer on a concrete discrimination (gorillas or orangutans vs. other primates). Analysis of performance on both positive and negative exemplars revealed that performance was best on photos with faces, particularly close-ups. Moreover, error trials did not seem to reflect instances of mistaken identity, but rather, exemplars that may have been distracting for other reasons, such as novel coloration or morphology. In Experiment 2, photos were modified to test the effects of various features. Color modifications caused the biggest decrease in performance, and eye modifications also affected performance deleteriously. Therefore, two perceptual features, namely eye regions and color, played a key role in subjects' ability to categorize. However, performance based on an underlying concept cannot be ruled out, because both of these features are highly relevant in terms of defining category membership. Although a subset of features was identified as playing a key role in categorization, these features differed depending on whether feature-use was studied indirectly, as in Experiment 1, or directly, as in Experiment 2. 相似文献
267.
This study investigated children's, adolescents', and adults' references to an actor's goals when explaining interpersonal actions. Participants were presented with eight brief stories containing a variety of social events and were asked to explain why the actor in each story performed the central action. Children, adolescents, and adults mentioned goals for most of the stories. Adults and adolescents mentioned psychological goals much more often than did children. Older children, adolescents, and adults mentioned complex psychological goals more often than did younger children. Younger children often mentioned instrumental or social goals. When making goal attributions, children, adolescents, and adults considered both the nature of the action and the social context in which it occurred. Participants mentioned psychological goals more often when explaining an antisocial action and social goals when explaining a prosocial action. Participants were also more likely to mention psychological goals when interpersonal events immediately preceding the central action were described. Thus, goals were offered as explanations for interpersonal actions by all age groups, but the type of goals mentioned varied by the age of the participant, the social context, and the valence of the action. Copyright © 2008 John Wiley & Sons, Ltd. 相似文献
268.
Considered a naturally occurring process common to older adults, the life review becomes a more productive process through facilitation and development and application of effective prompts. The experiences of 6 older adults who participated in a facilitated life review process and the manner in which individualized prompts were developed are described. 相似文献
269.
Maiello S 《The Journal of analytical psychology》2008,53(2):241-260
The paper explores the extent to which cultural aspects contribute to the modalities of human relations and consequently to the qualities of the internal objects and the sense of identity. Therapeutic relationships and techniques, as well as the theories on which they are based, are seen as being equally embedded in their cultural context. An encounter with a traditional African healer offers the author, a western trained European analyst, an opportunity to think about similarities and differences in the therapeutic approach to mental distress, as well as in the training of therapists/healers in the two cultures. Special attention is given to the role of ancestor reverence in African culture. The notion of the ancestors is related to what psychoanalysis describes as internal objects. Cultural differences in the role and importance of verbal language in the therapeutic relationship are described, and the importance and meaning of non-verbal forms of communication are explored. 相似文献
270.
The author narrates a history of the development of her interest in integrating behavior into heath research and health care. Using diabetes as an exemplar, she describes some of the challenges of integrating behavior into health research and health care: (1) becoming a member of interdisciplinary research and health care teams; (2) acquiring funding for behavioral research with medical populations; (3) communicating scientific findings; and (4) acquiring reimbursement for psychological services rendered. Specific examples of how the author and other psychologists can address these challenges are provided. 相似文献