Gender differences in aggressive behavior at admission to a psychiatric hospital

As aggressive behavior has a negative impact in general psychiatry, its influence specifically from a gender-related point of view in an in-patient population of a psychiatric clinic was assessed at the time of admission. A group of 521 successively admitted psychiatric in-patients was investigated at admission with the help of the "Social Dysfunction and Aggression Scale". A slightly higher frequency and intensity of "verbal aggressive behavior" was observed in males. Within the other categories of aggressive behavior ("tension", "physical violence to things", and "assaults"), however, the percentages and intensities of gender-related aggressive behavior did not differ significantly. Furthermore, under the covarying impact of various psychiatric diagnoses, the gender-related differences concerning the intensity of "verbal aggressive behavior" disappeared. When comparing male and female subgroups, it was notable that male schizophrenic patients were younger than female patients when displaying comparable risks of showing at least one kind of aggressive behavior. In addition, in the female subgroup, "self-injurious behavior" was more strongly correlated to the category "tension" than in the male subgroup. Although there are some methodological shortcomings, the present results show that there are small qualitative differences in gender-related aggressive behavior in addition to minimal quantitative differences in the frequency and intensity of "verbal aggressive behavior" at admission.     

Physical aggression toward teachers: Antecedents,behaviors, and consequences

School violence is a significant public health concern that occurs in many forms. Physical aggression can cause serious bodily injury and long-term negative effects, and both teachers and students experience significant rates of physical aggression. There are few studies examining teachers’ experiences of physical aggression. Studies that go beyond prevalence are limited, and we know little about the triggers and consequences that surround these incidents. This qualitative investigation used an antecedent-behavior-consequence (A-B-C) framework to understand how incidents of physical aggression directed toward teachers unfold. The sample included 193 elementary and secondary teachers who completed an anonymous, online survey and described events leading up to and following their experiences with physical aggression. Using conventional content analysis, we identified common antecedents, such as breaking up fights, discipline, and directives, and common consequences, such as student removal, school staff involvement, positive outcomes, and inaction. Further analyses revealed seven common A-B-C patterns among physical aggression incidents that are highlighted and discussed. Utility of the A-B-C framework for teacher-directed violence is described, along with implications for research, practice, and policy. Exploring the context surrounding incidents of physical aggression directed against teachers provides useful information for violence prevention and interventions.     

睾酮素与反社会倾向未成年犯的攻击行为：敌意注意偏向的中介和皮质醇的调节作用

为考察睾酮素与反社会倾向未成年犯攻击行为的关系,在整合攻击行为生物激素视角和社会认知视角的基础上,探究敌意注意偏向的中介作用与皮质醇的调节作用。对84名未成年犯的激素水平、敌意注意偏向以及攻击行为进行调查。结果显示：(1)敌意注意偏向(注意不稳定性、注意回避)在睾酮素对攻击行为的影响中起完全中介作用;(2)皮质醇调节睾酮素与敌意注意偏向的关系,仅在高皮质醇水平下,敌意注意偏向的中介效应显著。基于生物激素影响攻击行为的中介机制和调节机制,可尝试从增加对敌意刺激的注意回避和提高皮质醇水平两个方面对反社会倾向未成年犯的攻击暴力行为进行干预。     

The role of fantasies and dreams in the TV viewing—aggression relationship

The TV viewing habits of 391 8-year-old and 10-year-old Finnish children were related to their aggression, their aggressive and fear fantasies, and their dreams and fantasies about TV. Two measurements of aggression were made: peer-nominated aggression and self-rated aggression. TV viewing habits were measured by the amount of TV seen during a week and violence viewing, that is, how regularly violent TV serials were watched. Hypothetically, in addition to a direct relationship between TV viewing and aggression, there could also be an indirect relationship; for example, fantasizing might provide a link in the TV viewing-aggression relationship. There were significant positive correlations for the boys between TV viewing variables and aggression. There were also significant positive correlations between the amount of TV and televised violence viewing and fear and aggressive fantasies in general and with dreams and fantasies about actual TV programs seen. The correlations were less frequent for the girls. The same tendencies were evident for age groups and education. More frequent positive correlations were found with older children and regular classes than with younger children and music classes. The use of fantasy was also correlated positively with both peer-nominated and self-rated aggression. The results of the present study support the information-processing theory, which suggests that the more a child watches TV the more he or she has fantasies about the programs and rehearses the scenes viewed which, in turn, results in explicit aggressive behavior.     

A comparative study of rodent social behavior in a seminatural enclosure

Social behavior, aggression, and copulation were studied in six groups of two males and two females each in seven species of muroid rodents (Clethrionomys gapperi, Microtus montanus, M ochrogaster, M pennsylvanicus, Peromyscus eremicus, P leucopus, and P polionotus) in a seminatural enclosure. Data were compared to those from an earlier study with P maniculatus tested under identical conditions. There were appreciable species differences in levels of both aggressive and sexual behavior; the two were not significantly correlated. Although levels of aggression did not appear well correlated with reports of social structure in the field, patterns of weight loss and litter production during the study did appear correlated. In general, levels of copulatory behavior appeared weakly correlated with factors previously proposed as predictors of polygamous mating systems; levels of aggressive behavior were better correlated with taxonomy.     

Ethanol effects on shock-induced fighting and muricide by rats

Ethanol (0.25-1 gm/kg body weight; IP) did not significantly alter shock-induced fighting, regardless of whether it was administered to both rats or to only one rat of the pair. Higher doses tended to decrease shock-induced fighting. Ethanol (0.25-2 gm/kg body weight; IP) also did not induce “nonkiller” rats to kill mice and only high doses (1.5 and 2 gm/kg body weight) decreased the incidence of muricide in “killer” rats. The depressant effects of ethanol on both shock-induced fighting and muricide appeared to result from drug-induced ataxia rather than from a direct effect of ethanol on aggressive behavior.     

Moral approval of aggressive acts: A preliminary investigation

A questionnaire was used to investigate 1) the approval of various kinds of aggressive behaviour under different specified circumstances and 2) the arousal of feelings of aggression in imagined situations. In addition, an attitude test was presented which discriminated between the two highest of Kohlberg's levels of moral reasoning [1969]. The subjects were a very varied group of 83 adults (aged 17–68 years) from municipal evening courses in Finland. Aggression was most approved when it was given altruistic purpose. Self-defense was rated as the second highest justification for aggression. Aggression was found least legitimate when the reasons were emotional (drunk, rage). The justification of some types of aggressive behaviour were dependent on the conditions under which they occurred, whereas others appeared independent. Killing and torture were the most disapproved kinds of aggressive behaviour. Another's attack was the most powerful instigator of feelings of aggression, whereas frustration seemed relatively unimportant. Females approved of emotional expressions of aggression to a greater extent than did males. The moral test did not correlate with approval of aggression in general, but a couple of more specific predictions about the effects of level of moral reasoning on attitudes to socially sanctioned forms of aggression were tentatively confirmed.     

Ultrasounds produced by rats accompany decreases in intraspecific fighting

Male intruder rats were placed individually into the cage of an established resident on 2 occasions separated by a 7–8 day interval. Residents readily attacked intruders and both animals lost weight during the first encounter. In contrast, no serious fighting occurred on the second encounter, and both intruders and residents maintained their body weight during the 24-hr test. Observation of the intruder's behavior during the first 30 min of each encounter indicated that defensive-submissive postures represent a response to an attack that only temporarily inhibits aggression whereas the emission of 22 kHz calls by the intruder is associated with a relatively permanent decrease in the resident animal's aggressive response.     

执行功能与攻击行为关系的研究

攻击行为产生的原因十分复杂,受当今认知神经科学的影响,心理学研究人员从执行功能的角度来探讨攻击行为。现有的研究主要从心理学、流行病学、行为神经学、神经心理学和神经成像角度,考察和分析二者内在的关联,结果表明在暴力犯罪、反社会人格、杀人犯、精神病患者、少年犯、注意缺陷-多动障碍等群体,执行功能与攻击行为间存在很强的负向关联。将来的研究需要拓宽研究被试群体,深入考察内在的脑机制,制定恰当的攻击行为干预方法。     

医院积极处理医疗投诉的意义与实施方法

医疗投诉往往是医疗纠纷的雏形,消极处理可能使矛盾激化,让医院和患者成为对立的双方,由此增加了问题解决的难度和成本。医院积极对待处理医疗投诉具有积极意义,在降低投诉处理难度和成本的同时,也很好的塑造了医院的社会形象。同时阐述了其积极应对的措施。