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181.
Nombela C Pedreño-Molina JL Ros-Bernal F Molina-Vilaplana J Fdez-Villalba E López-Coronado J Herrero MT 《Human movement science》2012,31(3):730-742
Several parameters related to the timing, grip force and load force involved in a precision grasping task were studied in patients with Parkinson's disease (PD) at different moments of medication and healthy controls, using a sensorized anthropomorphic device which was totally adapted to the human hand. The aim of this work was to carry out an accurate study of the reach-load-grip-hold-place-release subtasks to identify any physical motor impairment, its relation to medication and Parkinsonian strategies. Twenty seven patients in ON and OFF-like medication moments, and twenty seven age-matched controls took part in the experiment, which consisted of using the index finger and the thumb to perform a precision motor task involving different experimental objects. Visual cues were used as distracting elements. Results showed several motor parameters impaired in OFF-like medication moment but attenuated in ON state, suggesting a medication effect on the performance of the task. 相似文献
182.
Social support is a variable that has a great influence in the sport context. In fact, this variable not only affects the athlete's performance but it has also shown to be related to psychological disorders such as Burnout Syndrome. The aim of this paper was to illustrate the Spanish adaptation of a social support scale in the sport context. The normative group who took part in the final version of the research was composed of 397 athletes aged between 13 and 64 years old (mean= 19.23 and standard deviation= 6.67). The scale shows: adequate factorial and construct validity, acceptable fit indexes (Kaiser-Meyer-Olkin= 0.785, Root Mean Square Residual= 0.078; Kelly's criterion= 0.075), a negative correlation with the dimensions of burnout and no relationship with respect to self-esteem. In addition, it also shows high reliability (a= 0.88). Furthermore, statistically significant differences have been found in relation to genders - where women require greater social support. In contrast, males tend to display a lower level of social support with team players and international athletes. Moreover, differential item functioning (DIF) was carried out to explore sex bias, however, none of the items exhibit DIF problems. 相似文献
183.
184.
Fischhoff B Gonzalez RM Lerner JS Small DA 《Journal of experimental psychology. Applied》2012,18(2):e1-16
The authors examined the evolution of cognitive and emotional responses to terror risks for a nationally representative sample of Americans between late 2001 and late 2002. Respondents' risk judgments changed in ways consistent with their reported personal experiences. However, they did not recognize these changes, producing hindsight bias in memories for their judgments. An intensive debiasing procedure failed to restore a foresightful perspective. A fear-inducing manipulation increased risk estimates, whereas an anger-inducing manipulation reduced them-both in predictions (as previously observed) and in memories and judgments of past risks. Thus, priming emotions shaped not only perceptions of an abstract future but also perceptions of a concrete past. These results suggest how psychological research can help to ensure an informed public. 相似文献
185.
Fraga I Piñeiro A Acuña-Fariña C Redondo J García-Orza J 《Quarterly journal of experimental psychology (2006)》2012,65(9):1740-1759
We report three sentence completion experiments in which we manipulate the emotional dimension of the nouns in a complex noun phrase (NP) that precedes a relative clause (RC), as in the classic ambiguity in Someone shot the servant of the actress who was on the balcony. The aim was to see whether nouns such as orgy or genocide affect the well-established preference of Spanish to adjoin the relative clause high in the tree (to servant instead of actress in the example above). We manipulated the valence and arousal of the lexical entities residing in the NP. Our results indicate that (a) the inclusion of either pleasant or unpleasant words induces changes in the usual NP1 preference found in Spanish; (b) the effects of high-arousal words are especially clear, in that they pull RC adjunction towards the NP where they are located, be it the NP1 or the NP2; and (c) in the context of sentence production, these kinds of words seem intense enough to promote changes in (and even reverse) a solid syntactic bias. We discuss these findings in the light of existing theories of syntactic ambiguity resolution. 相似文献
186.
Dr Miguel Angel Gonzalez Torres 《International Forum of Psychoanalysis》2013,22(4):247-249
Abstract Case vignettes are offered to illustrate five principles of self psychological treatment the author believes are generally accepted by self psychologists. A sixth principle is included, contributed by self psychologists informed by intersubjectivity. They are: 1. The centrality of the empathic vantage point for analytic observation. This requires a shift in the listening stance from observing from the outside to observing from the inside. The analyst attempts to listen from within the context of the analysand's subjective reality in order to understand his experience. 2. Alterations in the sense of self must be recognized and understood. 3. When ruptures occur between patient and analyst (selfobject bond), such ruptures are analyzed. 4. From a technical point of view, the careful exploration of both the state of the selfobject bond, and the meanings to the patient of the analytic activity needs to be carefully examined and understood by both patient and analyst. 5. Defensive activities are thought to be undertaken in the service of psychological survival. 6. A deeply entrenched defensive structure may appear as a resistance to progress in treatment. Such pathological structures of accommodation function to dismantle progress in self delineation. 相似文献
187.
Poornima Madhavan Cleotilde Gonzalez Jeremy R. Brown 《Applied cognitive psychology》2013,27(2):263-273
We examined the extent to which transfer of training is impacted by target probability and physical similarity of training and transfer stimuli. Participants performed a luggage screening task where they trained on three base rates of weapon presence as follows: 100%, 50% and 20%; at transfer, participants detected the same weapons (Study 1) or novel weapons (Studies 2 and 3) at a base rate of 20%. In Study 3, we modified training such that all participants observed the same absolute number of weapons (n = 100) across base rate conditions. In Study 1, different base rates did not significantly impact transfer. In Study 2, 100% base rates helped hit rates at transfer but increased false alarms via liberal shifts in decision criteria and slowed detection times. Study 3 revealed no effect of base rates on transfer hit rates; however, training on 100% base rates still led to liberal responding and inflated false alarms. Copyright © 2013 John Wiley & Sons, Ltd. 相似文献
188.
Functional foods and foods derived from genetically modified organisms represent two forms of intervention in the design of foodstuffs that have given rise to distinct political and regulatory dynamics. In Europe, regulatory agencies have tried, unsuccessfully, to affix a definitive legal meaning to these categories of food artificiality. This incomplete process of legal disambiguation has gone hand in hand with the delegation of the responsibility for overseeing new products to consumers, who are asked to continuously consider and assess the qualities of foods when making their choices in the marketplace. In the case of genetically modified foods, we have witnessed strategies of avoidance premised on the consideration of genetic modification as a blemish on the conventional character of foodstuffs. Functional foods, on the other hand, are increasingly mobilized in practices of naturalistic enhancement. What both examples have in common is the open-ended character of their respective regulatory regimes, and the continuous prodding of consumers to involve themselves more intensely in the weighing of their food choices. The result is a particular mode of market activism that we describe as restless consumption. 相似文献
189.
ResumenEn un análisis de la representación debe distinguirse entre el conocimiento registrado a nivel de la memoria semántica y su uso y manipulación a nivel de la memoria activa, la diferenciación funcional de estos niveles es posible si se especifican los sistemas y mecanismos que intervienen en el procesamiento de información. Los efectos de facilitación e interferencia comúnmente hallados en los paradigmas experimentales de anticipación y Stroop permiten describir algunos de los sistemas y mecanismos que subyacen a las imágenes mentales y a las palabras como distintos tipos de representación simbólica. Frente a una teoría interpretativa, una teoría constructiva explica las propiedades emergentes de las imágenes mentales como el resultado de la actualización de su referencia en un determinado contexto. Distinguiendo entre conocimiento registrado y uso del conocimiento es posible rechazar la perspectiva de Pylyshyn en el análisis de las imágenes mentales. En este artículo, a modo de introducción, presentamos algunos de los trabajos que estudian la base funcional de los efectos de facilitación e interferencia. Estos efectos, que también se especifican, se han venido utilizando para caracterizar los mecanismos que intervienen en el procesamiento de palabras y dibujos. Definiendo estos mecanismos pudra precisarse la naturaleza de las imagenes mentales y cómo se lleva a cabo su interpretación semántica. En los artículos que se presentan se pone de manifiesto que el distinto procesamiento estratégico a que se someten dibujos y palabras depende del proceso de decisión y éste a su vez de las demandas de la tarea. 相似文献
190.
ResumenEl objeto de esta investigación es analizar el proceso de decisión de un jurado bajo condiciones de simulación. A través de dos experimentos en que se manipula la forma de presentación de la información, se estudian los efectos de la regla de decisión y de las instrucciones en el veredicto y los efectos de la deliberación. Se defiende la hipótesis de que la regla de decisión y las instrucciones tienen respectivamente efectos informativos y normativos sobre el veredicto, y que la deliberación tiene efectos informativos. Estos efectos, sin embargo, sólo resultan parcialmente evidentes en el contexto de una estrategia de juicio compensatoria que supone el procesamiento analítico de la evidencia aportada en el juicio. Los resultados muestran que los sujetos cambian de estrategia cuando cambia la forma de presentación y el tipo de respuesta solicitada que es holística, de elección y no compensatoria en la presentación simultánea y analítica, de juicio y compensatoria en la presentación secuencial. Sólo cuando la deliberación supone un cambio de estrategia tiene un efecto sobre el veredicto que es más favorable que lo que lo era inicialmente para el acusado. Los resultados parecen adecuarse a un modelo de acumulación de evidencia que afecta a la evaluación de los ítems incriminatorios del caso. 相似文献