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221.
Wood JN 《Attention, perception & psychophysics》2011,73(2):420-439
This study examined how spatial working memory and visual (object) working memory interact, focusing on two related questions: First, can these systems function independently from one another? Second, under what conditions do they operate together? In a dual-task paradigm, participants attempted to remember locations in a spatial working memory task and colored objects in a visual working memory task. Memory for the locations and objects was subject to independent working memory storage limits, which indicates that spatial and visual working memory can function independently from one another. However, additional experiments revealed that spatial working memory and visual working memory interact in three memory contexts: when retaining (1) shapes, (2) integrated color-shape objects, and (3) colored objects at specific locations. These results suggest that spatial working memory is needed to bind colors and shapes into integrated object representations in visual working memory. Further, this study reveals a set of conditions in which spatial and visual working memory can be isolated from one another. 相似文献
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223.
E. Wayne Hill 《Journal of Family Therapy》2010,32(2):169-185
This article explores the concept of forgiveness in the context of couple and family therapy. Forgiveness is described as a complex psychological and relational process that is more a discovery via understanding and empathy than an act of will. Empathy is related to emotional intelligence, and the developmental and relational benefits of both are discussed. A rationale for viewing forgiveness in a contextual (family of origin), historical and relational attachment paradigm is offered. Relevant clinical cases illustrate the process of forgiveness as discovery in the context of an empathic relational environment where ambivalence is anticipated and respected. 相似文献
224.
Justin Newton Scanlan Anita C. Bundy Lynda R. Matthews 《Journal of community & applied social psychology》2010,20(3):232-247
A vast body of literature has reported on the association between unemployment and poor psychological health. Nonetheless, there remains limited understanding of the influence of meaningfulness of time use, suggested by some to be the key mediator between time use and health. This project set out to explore the association between meaningful time use and health in 18‐ to 25‐year‐old unemployed people. In April 2007, 150 unemployed 18‐ to 25‐year‐old Australians (56% female) completed an online survey package exploring meaningfulness of time use and health. Hierarchical stepwise regression equations were developed to analyse the relationship between psychological health and measures of meaningful time use. Results provided partial support for the hypothesis that measures of meaningful time use would contribute to the prediction of psychological health. The addition of the person measure for the combined construct of ‘meaningful time use’ failed to make a significant contribution towards the prediction of psychological health. However, ‘reason for doing the activity’ emerged as a significant predictor. Findings provide preliminary evidence for the establishment of activity‐based programs to support young unemployed people. Further research is required to evaluate the outcomes of such programs and to replicate this study with other groups of unemployed individuals. Copyright © 2010 John Wiley & Sons, Ltd. 相似文献
225.
Short acquisition-extinction intervals (immediate extinction) can lead to either more or less spontaneous recovery than long acquisition-extinction intervals (delayed extinction). Using rat subjects, we observed less spontaneous recovery following immediate than delayed extinction (Experiment 1). However, this was the case only if a relatively long extinction-test interval was used; a relatively short extinction-test interval yielded the opposite result (Experiment 2). Previous data appear consistent with this observation suggesting that, although delayed extinction appears more beneficial in the short term, immediate extinction may have more favorable long-term effects. These observations may have important implications for attenuation of relapse in clinical situations. 相似文献
226.
Prospective longitudinal studies have shown strong predictions from conduct disorders (CDs) in childhood to antisocial personality disorder (ASPD) and violence in adults. However, little is known of the childhood antecedents of serious violence nor whether these may vary depending on the context in which the violence occurs. In this study, 54 men aged 21-40 years serving prison sentences for violent crime were assessed. Standardized interviews of ASPD and violence were conducted independently of interviews covering retrospective recall of childhood psychiatric disorders and adverse experiences. Analyses of the predictors of overall violence suggested a pathway involving childhood CD and adult ASPD associated with interparental discord, and an additional pathway associated with experiencing interparental violence in childhood. Different results were however obtained when account was taken of the context of the violence. The CD-ASPD pathway was associated with social violence, but not with partner violence. Partner violence was predicted by retrospective reports of having been exposed to interparental violence during childhood but not by reports of childhood CD or adult ASPD. Thus developmental pathways to serious violence may be different depending on the social domain in which the violence occurs. 相似文献
227.
The elderly are known to exhibit declines in postural control during standing and walking, however little is known about how the elderly react under time-critical and challenging postural situations. The purpose of this study was to examine age-related differences in reaction time (RT) and the pattern of temporal coordination between center of pressure (COP), trunk and head motion during voluntary postural sway movements. Healthy young (n=10; mean=24 years; SD=5 years) and elderly men (n=8; mean=75 years; SD=2 years) stood on a force plate with tri-axial accelerometers attached to the head and lower trunk. Participants were required to generate sway in the anterior-posterior (AP) or medial-lateral (ML) direction in response to an auditory cue during two different testing conditions called Static reaction and Dynamic reaction. Static reactions involved the initiation of voluntary sway in either the AP or ML direction from quiet stance. Dynamic reactions involved an orthogonal switch of voluntary sway between the AP and ML directions. Compared to the young, elderly individuals exhibited slower RT during both Static and Dynamic reaction, and smaller differences in RT and phasing between COP, trunk, and head motion. The results of this study suggest that the elderly adopted more rigid coordination strategies compared to the young when executing a rapid change in direction of whole body motion. The rigid movement strategy of the elderly was presumably generated in an effort to compensate for increased challenge to the maintenance of stability. 相似文献
228.
Pettit L Charles J Wilson AD Plumb MS Brockman A Williams JH Mon-Williams M 《Human movement science》2008,27(2):286-295
The effect of advance ('precue') information on short aiming movements was explored in adults, high school children, and primary school children with and without developmental coordination disorder (n=10, 14, 16, 10, respectively). Reaction times in the DCD group were longer than in the other groups and were more influenced by the extent to which the precue constrained the possible action space. In contrast, reaction time did not alter as a function of precue condition in adults. Children with DCD showed greater inaccuracy of response (despite the increased RT). We suggest that the different precue effects reflect differences in the relative benefits of priming an action prior to definitive information about the movement goal. The benefits are an interacting function of the task and the skill level of the individual. Our experiment shows that children with DCD gain a benefit from advance preparation in simple aiming movements, highlighting their low skill levels. This result suggests that goal-directed RTs may have diagnostic potential within the clinic. 相似文献
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230.
Brian Hill 《Studia Logica》2008,89(1):81-109
It is well-known that classical models of belief are not realistic representations of human doxastic capacity; equally, models
of actions involving beliefs, such as decisions based on beliefs, or changes of beliefs, suffer from a similar inaccuracies.
In this paper, a general framework is presented which permits a more realistic modelling both of instantaneous states of belief,
and of the operations involving them. This framework is motivated by some of the inadequacies of existing models, which it
overcomes, whilst retaining technical rigour in so far as it relies on known, natural logical and mathematical notions. The
companion paper (Towards a “sophisticated” model of belief dynamics. Part II) contains an application of this framework to the particular case of belief revision.
Presented by Hannes Leitgeb 相似文献