Behavioral profile of amisulpride in agonistic encounters between male mice

Amisulpride is a substituted benzamide derivative that acts as a selective dopamine D2/D3 receptor antagonist. Although the anti‐aggressive properties of neuroleptic drugs are well known, the effects of amisulpride on agonistic interactions have not been explored, and there are no studies comparing acute and subchronic effects of this compound on aggression in rodents. In this study, we examined the action of amisulpride (5–25 mg/kg, i.p), administered acutely or subchronically for 10 days, on agonistic behavior elicited by isolation in male mice. Individually housed mice were exposed to anosmic "standard opponents" 30 min after drug administration, and the encounters were videotaped and evaluated using an ethologically based analysis. After acute treatment, amisulpride (5–20 mg/kg) exhibited an ethopharmacological profile characterized by a marked decrease of offensive behaviors (threat and attack) without an impairment of motor activity. By contrast, the anti‐aggressive action of the highest dose used (25 mg/kg) was accompanied by a weak increase of immobility. Body care was also significantly enhanced after treatment with the drug (20 and 25 mg/kg), emphasizing the involvement of dopaminergic receptors in this behavior. After subchronic treatment, no tolerance to amisulpride anti‐aggressive activity was observed. Overall, this behavioral profile is similar to that observed by other atypical neuroleptics. Aggr. Behav. 25:225–232, 1999. © 1999 Wiley‐Liss, Inc.     

Reactions to perceived deprivation in ingroup and outgroup: a cross-cultural comparison

An experiment is reported in which the reactions of observers to the relative and absolute deprivation of others are assessed. Eighty German and 80 Italian subjects made decisions about ingroup (own nationality) or outgroup (foreign) protagonists suffering high or low relative and absolute deprivation. Results showed that subjects were more likely to take social action that violated some rule when the protagonist was in high rather than low absolute deprivation. Racist subjects were somewhat more likely to satisfy the request of a deprived ingroup protagonist whereas non-racist subjects favoured the deprived outgroup. No differences emerged for non-deprived protagonists. Overall, Germans tended to take social action only when the protagonist suffered high absolute deprivation whereas Italians took action regardless of degree of absolute deprivation. © 1998 John Wiley & Sons, Ltd.     

The use of partial information on weights in multicriteria decision problems

This paper addresses multicriteria decision problems in which only partial information is given in the decision-making process. We generalize existing results about preference relations induced by nonnegative inverse matrices, allowing linear relations on weights with upper and lower bounds. In addition we develop conditions for additional information that preserve the special properties studied and show how to incorporate the new information to the model. © 1998 John Wiley & Sons, Ltd.     

记忆与遗忘的社会建构

国家与市民社会的记忆《你们法国人记性短》(Fran ais,vous avez la m啨moire courte)是在圣苏比教堂对面的影院中上映的一个电影的片名。那是在20世纪60年代早期;第二次世界大战过去了几乎还不到15年,纳粹主义的恐怖尚未被完全揭露出来。德国是一个被占领和被分裂的国家。法国     

Is There A Simple,Pedestrian Arithmetic Sentence Which Is Independent Of Zfc?

We show that the P < NP conjecture can beformulated as a Pi₂ ⁰ sentence, and explore some of theconsequences of that fact. This paper summarizes recent workby the author with N. C. A. da Costa on the P相似文献   

How Preschoolers Associate Power with Gender in Male-Female Interactions: A Cross-Cultural Investigation

Sex Roles - Interactions between males and females often display a power imbalance. Men tend to adopt more dominant physical postures, lead conversations more, and are more likely to impose their...     

Applying Community-Based Participatory Approaches to Addressing Health Disparities and Promoting Health Equity

This special issue highlights work that contributes to our understanding of health disparities and community-based participatory research (CBPR) approaches to promoting health equity across diverse populations and issues that matter to communities. We take on a global perspective, and thus, various efforts across international contexts are illustrated. Articles elucidate a variety of CBPR approaches designed to empower and build capacity among individuals and communities in order to seek changes at the level of community practices, programs, and systems. These articles span across diverse populations—children, youth, and families; adults and older adults; immigrants; refugees; Black people; Latinx people; Native Americans/Indigenous people, the Roma community; Muslim women, and women with disabilities—experiencing inequities of interest to community psychologists and other researchers and practitioners.     

Artificial Moral Agents: A Survey of the Current Status

Science and Engineering Ethics - One of the objectives in the field of artificial intelligence for some decades has been the development of artificial agents capable of coexisting in harmony with...     

Subject,enjoyment, hegemony: a discussion of Ernesto Laclau’s interpretation of empty signifiers and the real as impossible in Lacanian psychoanalysis

Continental Philosophy Review - Ernesto Laclau’s theory of hegemony interprets in a peculiar way two central concepts of Lacanian psychoanalysis: the signifier and the real. Laclau maintains...     

Latent inhibition and contextual associations

Attenuated responding to a conditioned stimulus (CS) after preexposure to that CS (latent inhibition) has traditionally been attributed to reductions in CS associability. Alternatively, CS-context associations formed during CS preexposure later interfere with the acquisition or expression of CS-outcome associations. Three lick suppression experiments with rats contrasted these accounts. Presumably, exposure to the context attenuates the CS-context association without altering CS associability. With a fixed amount of CS preexposure, latent inhibition decreased with increasing context exposure during or after (but not before) CS preexposure. When the ratio of context preexposure duration to CS preexposure was fixed, latent inhibition increased with CS preexposure. These results suggest that latent inhibition is a direct function of the strength of CS-context associations formed during preexposure.