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11.
Torres LV Araújo Sda C Sanchez CM Body S Bradshaw CM Szabadi E 《Journal of the experimental analysis of behavior》2011,95(1):57-74
Twelve rats made repeated choices on an adjusting-delay schedule between a smaller reinforcer (A) that was delivered immediately after a response and a larger reinforcer (B) that was delivered after a delay which increased or decreased by 20% depending on the subject's choices in successive blocks of trials. In two phases of the experiment (100 sessions and 40 sessions), reinforcer sizes were selected which enabled theoretical parameters expressing the rate of delay discounting and sensitivity to reinforcer size to be estimated from the ratio of the indifference delays obtained in the two phases. Indifference delays, calculated from adjusting delays in the last 10 sessions of each phase, were shorter when the sizes of A and B were 14 and 25 μl of a 0.6 M sucrose solution than when they were 25 and 100 μl of the same solution. The ratio of the indifference delays was significantly smaller than that predicted on the basis of an assumed linear relation between reinforcer size and instantaneous reinforcer value, consistent with a previous proposal that this relation may be hyperbolic in form. Estimates of the rate of delay discounting based on the ratio of the two indifference delays (mean, 0.08 s(-1)) were similar to values obtained previously using different intertemporal choice protocols. Estimates of the size-sensitivity parameter (mean 113 μl) were similar to estimates recently derived from performance on progressive-ratio schedules. In both phases of the experiment, adjusting delays in successive blocks of trials were analyzed using the Fourier transform. The power spectrum obtained from individual rats had a dominant frequency that corresponded to a period of oscillation of the adjusting delay between 30 and 100 trial blocks (mean, 78). Power in the dominant frequency band was highest in the early sessions of the first phase and declined with extended training. It is suggested that this experimental protocol may have utility in neurobehavioral studies of intertemporal choice. 相似文献
12.
The aim of the present study was to translate into Spanish and to describe the psychometric properties of the Stress Manifestations Scale of the Student Stress Inventory (SSI-SM), developed by Fimian, Fastenau, Tashner and Cross to identify the main manifestations of stress in adolescents. The scale was applied to a sample of 1,002 pupils from years one and two of Secondary Education. The paper reports the factor structure, an item analysis, the internal consistency, differences by sex and academic year, external evidence of validity, and norms for scoring the scale. The results reveal a factor structure based on three first-order factors (emotional manifestations, physiological manifestations and behavioural manifestations) and one second-order factor (indicative of stress manifestations). In terms of external validity, there was a positive association with measures of perceived stress, aggressiveness, internalized/externalized symptoms, and a negative association with life satisfaction. The results show that the scale is an adequate tool for evaluating stress manifestations in adolescents. 相似文献
13.
Inmaculada Valor‐Segura Francisca Expósito Miguel Moya Esther Kluwer 《Journal of applied social psychology》2014,44(9):579-587
Two studies examined how the effect of dependency and emotions on the dynamics of relationship conflict differs between men and women. In Study 1, 96 women and 67 men were presented with conflict situations that might occur in their relationship; the probability of aggression, anger, and dependency was measured. Results showed that anger mediated the relationship between dependency and the intention to use aggression, in men, but not in women. In Study 2, 95 women and 65 men wrote about a conflict situation that they had experienced with their partner; loyalty, guilt, and dependency were measured. Results showed that dependency predicted loyalty among women, and that this effect was mediated by guilt. 相似文献
14.
Alexandre P. Braga Francisca Ilnar de Sousa Geraldo Bezerra da Silva Junior Marilyn Kay Nations Adriana Rolim Campos Barros Rosendo Freitas de Amorim 《Journal of religion and health》2018,57(4):1258-1275
Candomble, a Brazilian religion of African origin that worships Orishas, promotes “healing” assistance during its worship rituals using therapy with plants and beliefs. From its ancestry tradition, the respect and beware with nature are expressed. Therefore, the aim of this study is to investigate the perception of ethnoecology and health promotion among Candomble practitioners from a Candomble temple in the state of Ceará, Brazil. The ethnography was designed to allow greater immersion into the current mystique. This immersion results in the breaking of existing prejudices and admiration for their worldview. Thus, it can be observed that people seek Candomble to get rid of “bad” health difficulties, such as insomnia, depression, eyesight problems among others, which are commonly treated with herbal preparations, baths, and teas, using plants native to the region; however, their indications are not always in accordance with scientific evidence. In parallel with biomedicine, their hospitable and healthcare practices are considered by most as the equivalent to traditional healthcare actions, but greater recognition of biomedicine is necessary. Based on this perspective, the use of native plants in Candomble is examples of memory, hospitality, and humanization for the community wellness. 相似文献
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Enrique Bign Alcaiz Silvia Sanz Blas Francisco Torn Torres 《Journal of Consumer Behaviour》2006,5(5):397-410
- This paper analyses the teleshopping issue in terms of the Media Dependency Theory. The objective is to verify whether dependency relations between television shoppers and the television medium and television shopping are key variables to explain watching and buying behaviour. A model is proposed that integrates the dependency‐viewing‐purchase relation, tested on a sample of Spanish television shoppers. The results of the study confirm the direct relationship between the antecedents of dependency, dependency and future intentions of behaviour.
17.
Michael D. Brubaker Ellen A. Amatea Edil Torres‐Rivera M. David Miller Laura Nabors 《Journal of Addictions & Offender Counseling》2013,34(2):81-98
Although there is a great need for substance abuse services among the homeless, many homeless individuals do not use those services. This study examined barriers and supports related to service use. Participants recognized a need for treatment and significant barriers to accessing care. 相似文献
18.
Manuel Froufe Torres 《Estudios de Psicología》2013,34(19-20):133-155
RESUMENEl objetivo de este trabajo es realizar una revisión y reflexión en la investigación y teorías que se basan en informes verbales. Reflexionar sobre el valor introspectivo de los informes verbales con respecto a las funciones del procesamiento. Todo esto desde la actual psicología cognitiva. Para ello se revisan todas aquellas investigaciones que se plantean el papel de la conciencia en el proceso y como producto del pensamiento humano, a través de una comunicación externa. 相似文献
19.
ResumenLa ansiedad es un estado emocional central de características muy complejas que, al menos en términos de respuesta, se asemeja en gran medida al miedo. En las ültimas décadas, estudios neurobiológicos y psicobiológicos han identificado numerosas estructuras y circuitos cerebrales estrechamente relacionados con este tipo de respuestas, así como con el estado central característico. Destacan, por su especial relevancia, el sistema límbico (incluyendo el sistema septohipocampal, la amígdala y el hipotálamo posterior) y los sistemas monoaminérgicos ascendentes (principalmente de serotonina y norepinefrina), lugares donde, además, las sustancias ansiolíticas podrían ejercer su efecto terapéutico. El principal objetivo del presente trabajo es revisar la precisa implicación de estos sistemas neurales en la modulación de ese estado emocional definido como ansiedad. 相似文献
20.
RESUMENSierra y Froufe cuestionan un trabajo anterior sobre la utilidad de representaciones gráficas en la solución de problemas mediante razonamiento analógico y presentan un análisis detallado de algunos procesos fundamentales en esta clase de pensamiento. Empiezan por describir los experimentos llevados a cabo por Gick y Holyoak (1983) y discutir algunas de sus conclusiones, ofreciendo interpretaciones alternativas. A continuación exponen cómo se explica la inducción de un esquema a partir del establecimiento de una analogía y, en segundo lugar, comparan los diagramas utilizados por Gick y Holyoak con los obtenidos en un trabajo de uno de los autores (Sierra, 1985) tomando como marco de referencia la exposición acerca de la inducción de esquemas. Finalmente se concluye que, en parte, los sujetos del experimento anterior no recurrían al diagrama porque, al ser incompleto, no les permitía solucionar el problema, sugiriendo que un sistema representacional basado enteramente en las proposiciones resulta insuficiente y que la imagen mental del dibujo juega una función cognitiva en la solución. 相似文献