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Auto-aggressive individuals have a higher likelihood of engaging in interpersonal violence, and vice versa. It is unclear, however, whether ward circumstances are involved in determining whether aggression-prone patients will engage in auto-aggressive or outwardly directed aggressive behavior. The current study focuses on the situational antecedents of self-harming behavior and outwardly directed aggression of psychiatric inpatients. Inwardly and outwardly aggressive behavior were monitored on a locked 20-bed psychiatric admissions ward for 3.5 years with the Staff Observation Aggression Scale-Revised (SOAS-R). A map of the ward was attached to each SOAS-R form, enabling staff members to specify locations of aggressive incidents. Time of onset, location, and provoking factors of auto-aggressive incidents were compared to those connected to aggression against others or objects. Of a total of 774 aggressive incidents, 154 (20%) concerned auto-aggressive behavior. Auto-aggression was significantly more prevalent during the evening (i.e., 50% compared to 32%), and reached its highest level between 8 and 9 P.M. (17% compared to 7%). The majority of self-harming acts (66%) were performed on patients' bedrooms. Outwardly directed aggression was particularly common in the day-rooms (24%), the staff office (19%), the hallways of the ward (14%), and the dining rooms (10%). Provoking factors of auto-aggressive behavior are less often of an interactional nature compared to outwardly directed aggression. The results suggest that a lack of stimulation and interaction with others increases the risk of self-injurious behavior. Practical and testable measures to prevent self-harm are proposed. 相似文献
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The purpose of this study was to identify factors associated with early onset of sexual intercourse. Within an ecological system's conceptual framework, familial factors associated with early onset of sexual activity were identified in a sample of 425 adolescents from San Juan metro area schools. Measures included questions about sexual activity, sexual permissiveness, and such familial variables as: discipline, parental supervision, and parental support. Significant relationships were observed between early onset of sexual intercourse and parental supervision, discipline, parental support, and parents' marital status. Results suggest the key role of parents and family in prevention of HIV-risk behaviors among adolescents in terms of delaying sexual onset. Overall, the study described youths who postponed sexual activity as having greater support, supervision, and parental involvement. 相似文献
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In the context of a medium-term study designed to integrate the simulation of different types and processes of learning-such as classical, operant, and some cognitive types--one must start with other more elementary ones that are facilitators of the more complex types and processes. Of special interest is habituation, owing to the filtering out of irrelevant stimuli, which means that the simulated agent does not have to respond to them. This paper presents two difference functions constructed to computationally simulate the characteristics that define habituation. The behavior of these functions is described, as are differences arising from stimulus intensity and interstimulus intervals. Results are compared with existing empirical data. 相似文献
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Reflexology has been present throughout Spanish science since the last third of the nineteenth century and its importance can be seen in the works of authors such as Martín Salazar, Ramón y Cajal, Gómez Oca?a, Simarro and Turró. The most important research in Reflexology in Spain takes place a) at the Schools of Neurophysiology and Psychology in Barcelona and Madrid, b) with a group of authors specializing in pathological medicine and c) in the Military's Health Department, Pavlov's work was received in Spain with special interest. Fernández-Espa?a, who could be considered the "first Spanish Pavlovian," emphasized Pavlov's work in a series dedicated to the study of objective psychology which was published between 1914 and 1924. Planelles was the first investigator to develop a program in pavlovian experimentation, presenting his results in 1935. The Civil War (1936-1939) ended these and many other Spanish projects in psychology. After the war, interest in Reflexology and Pavlov's theories slowly rose again, first through psychosomatic medicine and then in the 60's because of the works of such authors as Monserrat-Esteve, Rof Carballo and Colodrón. The progressive inclusion of psychology in the Schools of Philosophy and Arts after 1968 marked the beginning of a new era. 相似文献
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Jobim PF Pedroso TR Christoff RR Werenicz A Maurmann N Reolon GK Roesler R 《Neurobiology of learning and memory》2012,97(1):105-112
Mammalian target of rapamycin (mTOR), a central regulator of protein synthesis in neurons, has been implicated in synaptic plasticity and memory. Here we show that mTOR inhibition by rapamycin in the basolateral amygdala (BLA) or dorsal hippocampus (DH) impairs both formation and reconsolidation of memory for inhibitory avoidance (IA) in rats. Male Wistar rats received bilateral infusions of vehicle or rapamycin into the BLA or DH before or after IA training or retrieval. Memory retention was tested at different time points after drug infusion. Rapamycin impaired long-term IA retention when given before or immediately after training or retrieval into the BLA. When infused into the DH, rapamycin produced memory impairment when given before training or immediately after retrieval. The impairing effects of post-retrieval rapamycin required memory retrieval and were not reversed by a reminder shock. The results provide the first evidence that mTOR in the BLA and DH might play a role in IA memory reconsolidation. 相似文献
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