A influência do status social no forrageio de itens camuflados e avermelhados em sagüis (Callithrix jacchus) cativos

Seeing colors can be advantageous, because they are an important signal for providing information about the environment, such as the location of food. However, not every animals sees these chromatic signals in the same way. In primates, the group of Plathyrrhini has polymorphic sex-linked vision with males always dichromats and dichromats or trichromats females. Studies indicate that trichromats during foraging would benefit by seeing better than dichromats ripe fruits against the green foliage background. On the other hand, dichromats appear to distinguish camouflaged insects better than trichromats. The marmoset (Callihtrix jacchus) is a neotropical primate species that have color vision polymorphism. This species establishes family groups with highly reproductive bias, with breeding females often having preferential access to food. This work aims to study whether the social context influences the foraging ability of camouflaged and red items in groups of C. jacchus. Four groups of captive marmosets were presented to four food tasks, involving difficult, easy, reddish and camouflaged food targets. Foods were presented in a concentrated and dispersed manner, to check whether there was monopolization of the resources by the dominant subjects and if this would affect the ability of individuals to find the food targets. Success was measured by latency to food acquisition and number of targets consumed. Males and females differed in their foraging success for camouflaged and reddish items, although this difference has not appeared in all situations and experimental conditions. In general males were more successful for detecting camouflaged items while females succeeded more in identifying reddish items. There were no differences in foraging success between individuals of different social status, however, there were differences in the success of consumption of food items for different situations when food was concentrate compared with dispersed food. Taken as a role, there was a greater difficulty in detecting food items when they were presented in concentrated arrangement, which is supposed to be related to a higher difficulty to approach and stay near the food. Although it appears that there was no direct competition seems to have group's indirect influence on the detection of food items and foraging success of individuals, affecting mainly those items more difficult to detect

Hierarquia social e sucesso alimentar em callithrix jacchus (Primates, Callithrichidae), sob condições naturais

The competition for resources is one of the costs of group living. The scramble competition is considered an indirect type of competition, mainly associated with factors like group size and distribution of resources. Contest competition occurs when individuals compete directly for resources. In species that exibit this type of competition the establishment of dominance hierarchy can occur, resulting in differences on feeding and reproductive benefits for each member of the group. In these cases, aggressive and submissive behaviors are expected as a way to signal social status. The aim of this study was to investigate the effects of social hierarchy over food ingestion in Callithrix jacchus. Data recording was from September/2006 to March/2007, eight days by month, at Floresta Nacional de Açu do Instituto Chico Mendes de Biodiversidade. The observation time started at 05:00 AM and finished after the last animal was on the sleeptree. Analyses of aggressive interactions, behavioral profile and diet, reveals a lot of advantages for dominat animals in the study group. Dominant individuals had higher intake of animal matter that subordinates. The last ones, consumed fruits, exsudate and, eventually, explored itens that were not common to the diet. We suggest that dominance hiearchy enable the reproductive female to assure priority on access to food resources, a important caracteristc to supply tha costs to maintain tha high reproductive taxa of the specie. We also suggest that reproductive male, due to the participation on food transfer, had the forage efficience reduced

Ansiedade social e cooperação em contexto de hierarquia social

The Ultimatum Game is a methodology of the Game Theory that intends to investigate the individuals cooperative behavior in situations of resources division. Studies have shown that half of the subjects don’t accept unfair division of resources, and prefer to bear a momentary cost to revenge the deceivers. However, people who have assertiveness impairment, such as social phobic individuals, could have some difficulties to reject unfair offer division resource, especially in situations that cause over anxiety, like being in the presence of an individual considered to be in a high hierarchical level. A negative perception about his own worth can also make the person thinks that he does not deserve a fair division. These individuals also have a strong desire to convey a positive impression to the others, which could cause them to be more generous in a resource division. The aim of this study was to verify, through the Ultimatum Game, if social anxiety individuals would accept more high confederate’s unfair offers that low confederate’s unfair offers; and if they would be more generous in goods division, in the same game, when compared to individuals without social anxiety. Ninety-five (95) college students participated in this study answering the Social Phobia Inventory, the Factorial Scale of Extroversion, socio-demographic questionnaire, situational anxiety scale and, finally, the Ultimatum Game in four rounds (1st and 3rd – confederate representing high or low ranking using an unfair proposal; 2nd – confederate without social status using fair proposal; 4th – subject’s research proposes the offer). The results showed a significant negative correlation between social anxiety and haughtiness, and social anxiety and assertiveness, and a significant positive correlation between social anxiety and situational anxiety. There was no significant difference in situational anxiety due to the status for anxious individuals. Also we found no significant difference in the amount of donated goods, showing that generous behavior does not differ between groups. Finally, the social status did not influence the decision in response to the game for anxious individuals. These results corroborate to other studies that show the relationship between social anxiety and assertiveness, and social anxiety and negative self-perception capability and value (low haughtiness). As show the results of situational anxiety scale, the high status stimulus was not perceived as threatening to the individual, which may have affected his answer in the game. The results for the Ultimatum Game follow the same direction as the acceptance rate for unfair proposals (approximately 50%) in studies with non-clinical sample.

Ansiedade social e cooperação em contexto de hierarquia social

The Ultimatum Game is a methodology of the Game Theory that intends to investigate the individuals cooperative behavior in situations of resources division. Studies have shown that half of the subjects don’t accept unfair division of resources, and prefer to bear a momentary cost to revenge the deceivers. However, people who have assertiveness impairment, such as social phobic individuals, could have some difficulties to reject unfair offer division resource, especially in situations that cause over anxiety, like being in the presence of an individual considered to be in a high hierarchical level. A negative perception about his own worth can also make the person thinks that he does not deserve a fair division. These individuals also have a strong desire to convey a positive impression to the others, which could cause them to be more generous in a resource division. The aim of this study was to verify, through the Ultimatum Game, if social anxiety individuals would accept more high confederate’s unfair offers that low confederate’s unfair offers; and if they would be more generous in goods division, in the same game, when compared to individuals without social anxiety. Ninety-five (95) college students participated in this study answering the Social Phobia Inventory, the Factorial Scale of Extroversion, socio-demographic questionnaire, situational anxiety scale and, finally, the Ultimatum Game in four rounds (1st and 3rd – confederate representing high or low ranking using an unfair proposal; 2nd – confederate without social status using fair proposal; 4th – subject’s research proposes the offer). The results showed a significant negative correlation between social anxiety and haughtiness, and social anxiety and assertiveness, and a significant positive correlation between social anxiety and situational anxiety. There was no significant difference in situational anxiety due to the status for anxious individuals. Also we found no significant difference in the amount of donated goods, showing that generous behavior does not differ between groups. Finally, the social status did not influence the decision in response to the game for anxious individuals. These results corroborate to other studies that show the relationship between social anxiety and assertiveness, and social anxiety and negative self-perception capability and value (low haughtiness). As show the results of situational anxiety scale, the high status stimulus was not perceived as threatening to the individual, which may have affected his answer in the game. The results for the Ultimatum Game follow the same direction as the acceptance rate for unfair proposals (approximately 50%) in studies with non-clinical sample.

Segredos da alma: a dádiva da assistência de Enfermagem

The present study is an analysis of interpersonal relationships between the nursing staff and the patients under their care. Its objectives are to analyze ties/links that may possibly exist in such relationships and to describe, based on the experience of the patients, how they are received by the nursing staff, and what is the extent of their reliability on the nursing staff within the hospital. This investigation is analytical in nature and qualitative in approach, having as its leading thought Marcel Mauss s gift-exchange theory. The study involved eighteen in-patients, eight of them from government institutions, at a large hospital school and ten others from a private specialty hospital; both in the city of Natal, state of Rio Grande do Norte, Brazil. Data were collected between January and March 2006. Results point to ties being created between the nursing staff and patients irrespective of their social status, involving especially the development of friendship and reliability. We have noticed that in both services the interpersonal relationship is associated with the circulation of the symbolic goods mentioned in the patients discourse, such as attention, loving care and concern, among others, marking the formation of ties during hospital stay. Likewise, reliability is also present in close relationship with the technical competence of the professional. Patient hospitality is associated with the manner in which the patients were treated on being admitted to the hospital, although they also refer to hospitality at later moments, during the course of their treatment. Finally, we are in a position to say that there are ties/links between in-patients and nursing staff, irrespective of the patient s social status and class divide. It is thus evident that the antiutilitarian symbolism of gift to give, receive, give back -, which shapes the setting of social ties also takes place in today s utilitarian, individualistic and competitive societies. Thus, human beings whose existence is dependent on mutual relationships try to save their humanity, especially those who are fragile and dependent as is the case of the hospital in-patient

Percepção do mercado romântico e influência do contexto nas preferências românticas entre universitários

Men and women express different preferences for ideal romantic partners. These preferences seem to vary with the level of involvement and commitment expected for the relationship and the perceptions people have about themselves. The current work was developed to expand the findings related to this subject, investigating the market perception of romantic relationships and the effect of context on self-assessment and preferences for romantic partners. For this purpose, 753 undergraduate, Brazilian and American, were enrolled between March 2010 and November 2012 and took part in at least one of the four studies that compose this research, performing the assessment of specific stimulus-subject descriptions. Studies one and two addressed Brazilian and American samples to respectively describe female and male expectations on human mating market. It was observed that individuals from both the genders expect positive assortative mating within couples, that each trait is not evaluated independently, and, in addition to biological predispositions, factors as environmental local constrains and cultural values may also affect mating expectations. The contrasts between the samples showed that Americans valued physical-attractiveness and social-status in describing the same-gender subjects and their expected partners, while Brazilians valued social-skills. Another expectation was also identified for both genders: physically attractive women and men of high-status were expected to be paired to each other. Study three addressed males and females expectations regarding which characteristics are most relevant in ensuring desirable partnerships for same-gender individuals. The results showed that men and women can be grouped together by having similar expectations. However, the group mainly composed of men considered status characteristics as the most important attributes, while the groups mostly composed of women indicated that social skills or physical characteristics as the most important in appealing to a desirable partner. Finally, study four investigated the effect of social comparison on self-perception and mate preferences, revealing that individuals were aware of the attributes valued by the opposite-gender and that self-perception was affected by the attributes of other people. In sum, this work evidenced that romantic relationships can be interpreted as a biological market and that the value of the attributes in the romantic mating marketplace are associated with reproductive relevance of the characteristics.

As pessoas com deficiência no mercado de trabalho: expressão das desigualdades sociais

This work was developed in the extent of the Post Graduation Program in Social Service of the Federal University of Rio Grande do Norte. It talks about the process of inclusion of the disabled people in the Job market in Mossoró-RN, bringing for the academic debate relevant thematic for the Brazilian society, for the profession of Social Service and similar areas and for the people with deficiency. It has the objective to apprehend the determiners that make possible the process of the disabled people's inclusion in the Job market in Mossoró, having as parameter the National Politics for the Integration of People Bearers of Deficiency. The critical theoretical perspective is backed in Marx's ideas for the understanding concerning the work, as well as in Pochamann, concerning the job market, regarding the exclusion/inclusion category is based in Martins, Yasbek and Sposati and on deficiency in the National Politics for the Integration of the Disabled People. The research is of qualitative nature and it took as subjects 26 (twenty-six) people, being 09 (nine) people with deficiency, inserted in the formal job and regulated market, and 17 (seventeen) managers of private companies and public institutions of the city of Mossoró-RN. For the collection of data we used techniques of nonsystemic observation, semi-structured interview and documental analysis. The results of the research mark that any modality of the human workforce used in the current context, they are functional to the capitalism and they move forward towards exploration, alienation and subordination of the work to the capital; the National Politics for the Integration of the People with Deficiency expresses and reproduces the contradictory dynamics of the class society, it reflects the neo liberal shades through the selectivity and of the articulation among the federated beings and organizations of the civil society for its operational system; there is a misproportion between the percentages of the quotas and the amount of people with deficiency inserted in the job market, just corresponding to a tiny numeric magnitude; the developed activities are of low social status and it is expressive the amount of workers that receives between one and two minimum wages. These data drive us to infer that the mentioned politics make possible, partly, the inclusion of the disabled people in the job market, though, such inclusion is executed in the selective or focused dimensions, marginal, precarious and unstable

Um estudo sobre o perfil sexual e reprodutivo das adolescentes de um serviço de referência no município de Natal/RN

Adolescence is seen as a phase of life marked by a series of physical and behavioral changes, which leads to certain risk situations, such as early sexual activity, pregnancy and the occurrence of sexually transmitted diseases. Based on this statement, this research aimed generally: meet the sexual and reproductive adolescents of a reference service in Natal profile. Specifically describe the socioeconomic, sexual and reproductive individual and family characteristics of the population in question, but also verify possible association between pregnancy and age of onset of sexual activity with the socioeconomic aspects. The sectional study conducted in the database from the records of 463 adolescents seeking care in a referral center in Sexual and Reproductive Health in the period March 2011 to June 2012. The data collected were subjected to analysis by Excel 2007 and Statistical Package for Social Sciences (SPSS) 17.0. For data analysis, descriptive statistics, with absolute numbers and percentages was used, and its presentation by means of distribution and frequency tables. Results showed that the parents of these adolescents (65.7% - father; 57.8% - mother), had primary education; family income less than two minimum wages (66.2%); any type of chemical dependency in the family (33.5%) and presence of domestic violence (20.6%). A higher probability of pregnancy was verified when the mother had only primary education (26.3%), persons other than the father or mother contributed to family income (33.3%) and (26%) when there was substance abuse in the family early onset of sexual activity was observed when the mother had primary education (57.3%), persons other than the father or mother contributed to family income (63.1%) and the use of drugs / alcohol as a problem family (67.6%). It was concluded that such vulnerabilities appear as a reflection of the low social status of these young people, aggravated by emotional inheritance that is offered to every individual from birth. These findings may perhaps, support public health surveillance policies for adolescents in several areas

“A gente casa porque nasce!”: um estudo sobre a concepção dos projetos de vida de três gerações de mulheres da Boa Vista dos Negros - Parelhas/RN

This research analyses the individual trajectories of quilombola women from Boa Vista dos Negros, next to the Parelhas city – in the region of Seridó-RN. To this study, our focus (youth and generation) is important to access the feminine universe, the intimacy of home, approaching issues related to the work and to understand family configurations. We aim to perceive the existence of individual projects based on the experiences of three black women generations from distinct family groups. In order to develop this research, the method used is routine and life history analyzes, semi-structured interviews, informal conversations and personal contact due to their participation in the PROEXT/SESU-MEC extension program. The feminine experiences of “hard work” in the agriculture or in the “street”, coping and struggles by the subaltern relationship in their routine as housecleaners create questions related to life experiences and social stigmatizations. The relevancy of this work is to reveal feminine universe into familiar and professional relationships, analyzing individual trajectories, evaluating the social status of women along their lives. In this sense, these narratives of feminine experiences allows the description of the quilombola routine, the life projects of these three women generations, as well as it allows to analyse the changes occurred since the end of the XX century, in particular related to the familiar arrangements.

“A gente casa porque nasce!”: um estudo sobre a concepção dos projetos de vida de três gerações de mulheres da Boa Vista dos Negros - Parelhas/RN

This research analyses the individual trajectories of quilombola women from Boa Vista dos Negros, next to the Parelhas city – in the region of Seridó-RN. To this study, our focus (youth and generation) is important to access the feminine universe, the intimacy of home, approaching issues related to the work and to understand family configurations. We aim to perceive the existence of individual projects based on the experiences of three black women generations from distinct family groups. In order to develop this research, the method used is routine and life history analyzes, semi-structured interviews, informal conversations and personal contact due to their participation in the PROEXT/SESU-MEC extension program. The feminine experiences of “hard work” in the agriculture or in the “street”, coping and struggles by the subaltern relationship in their routine as housecleaners create questions related to life experiences and social stigmatizations. The relevancy of this work is to reveal feminine universe into familiar and professional relationships, analyzing individual trajectories, evaluating the social status of women along their lives. In this sense, these narratives of feminine experiences allows the description of the quilombola routine, the life projects of these three women generations, as well as it allows to analyse the changes occurred since the end of the XX century, in particular related to the familiar arrangements.

Realidade ou ficção? A influência da autopercepção como parceiro romântico e da autoestima na escolha e preferência de parceiros românticos

In general, men and women look for characteristics that can indicate improvement of their reproductive success in their romantic partners. However, partner choice is not only based on what the individual want in a partner, but he/she also takes into consideration how they perceive themselves in a determined environment, in a way that self-perception can change according to the context where the individual is inserted in. Besides the environment, self-esteem can be a factor that modifies romantic partner preferences and the way that people choose these partners for being able to influence how people evaluate themselves. Most of the studies that originate today’s universal standards in the study of romantic partner were conducted with undergraduate students, which may limit the coverage of the conclusions for contemplating people of the same educational level and probably also socioeconomic status (SES). The present research, held in Brazil, where the social inequality rate is high, and part in Canada, country with low social inequality, had as goal verifying romantic partners preferences and choices and self-evaluation as romantic partners in different educational level and SES. Men, mainly of low SES, tend to prioritize social status when looking for a romantic partner while the universal pattern is the preference for physical attractiveness, and women of low SES seem to be aware of this preference when expressing that social status is important for their self-perception. In addition, the results corroborate the influence of the context, selfesteem, and SES in the self-perception as a romantic partner, though the latter two appear to modulate how the is the influence of the context on participants’ perception. Moreover, this research also indicated that the preferences appear to represent the choices for the most important characteristics for each sex, being the other characteristics probably modulated by the quantity of available participants in the environment.

Testicular volume and reproductive status of Wild Callithrix jacchus

ARAÚJO, Arrilton ; SOUSA, Maria Bernardete Cordeiro . Testicular volume and reproductive status of Wild Callithrix jacchus. International Journal of Primatology, v.29, p.1355–1364, 2008. DOI 10.1007/s10764-008-9291-4

Contested dominance modifies the anovulatory consequences of social subordination in female marmosets

Dominance status among female marmosets is reflected in agonistic behavior and ovarian function. Socially dominant females receive submissive behavior from subordinates, while exhibiting normal ovulatory function. Subordinate females, however, receive agonistic behavior from dominants, while exhibiting reduced or absent ovulatory function. Such disparity in female fertility is not absolute, and groups with two breeding females have been described. The data reported here were obtained from 8 female-female pairs of captive female marmosets, each housed with a single unrelated male. Pairs were classified into two groups: “uncontested” dominance (UD) and “contested” dominance (CD), with 4 pairs each. Dominant females in UD pairs showed significantly higher frequencies (4.1) of agonism (piloerection, attack and chasing) than their subordinates (0.36), and agonistic behaviors were overall more frequently displayed by CD than by UD pairs. Subordinates in CD pairs exhibited more agonistic behavior (2.9) than subordinates in UD pairs (0.36), which displayed significantly more submissive (6.97) behaviors than their dominants (0.35). The data suggest that there is more than one kind of dominance relationship between female common marmosets. Assessment of progesterone levels showed that while subordinates in UD pairs appeared to be anovulatory, the degree of ovulatory disruption in subordinates of CD pairs was more varied and less complete. We suggest that such variation in female-female social dominance relationships and the associated variation in the degree and reliability of fertility suppression may explain variations of the reproductive condition of free-living groups of common marmosets

Ingestão alimentar e nutricional de callithrix jacchus: relaçao com hierarquia social e disponibilidade de alimento

Coordenação de Aperfeiçoamento de Pessoal de Nível Superior

Apoio social e síndrome da fragilidade em idosos residentes na comunidade

Introduction: The frailty in the elderly is the result of a complex interplay between many social and clinical factors involved in its genesis. Although there is an understanding of its association with increased risk of adverse clinical outcomes, still it is unclear whether this syndrome can be aggravated due to lack of social support. So, the objective of this study was to analyze the association between social support and frailty syndrome in elderly community residents. Materials and methods: Observational analytical cross-sectional study, with a sample of 300 elderly living in the city of Natal-RN. Were collected informations about socialdemographic, economics and physical health data. The Social support was assessed by the status of cohabitation; marital status; contact frequency and diversity rate; received and given attendance frequency rate; and Map Minimum Relations of the Elderly. The frailty was assessed using the following criteria: unintentional weight loss, weakness, low physical activity, exhaustion and Slowness. To observe any possible associations, we performed the Pearson chi-square test, the Student t test and multivariate analysis using binary logistic regression, adopting a significance level of 5%. Results: It was observed that there were no associations of frailty with the social support variables, except for housekeeping mode (p = 0.046) of the MMRI. For the sociodemographic, economic, physical health and social support data, only age (p <0.001), sedentary lifestyle (p = 0.002) and poor perceived health (p = 0.001) were the ones that remained in the logistic regression model, with strong association for the presence of frailty. Conclusion: Among the variables related to social support, only to help with housekeeping was significantly associated with frailty. However, more studies need to be developed to characterize the social vulnerability, as well as health services need to recognize the importance of social support as an integral part of care for the elderly