Increasing Group Entitativity

Previous research has shown the strength of the linguistic intergroup bias across different intergroup settings. However, there is no evidence of linguistic discrimination within minimal groups. This experiment aimed to shed light on the phenomenon of linguistic intergroup discrimination in a minimal group setting, and to investigate the impact of group entitativity on this bias. Four group entitativity conditions were created by altering the mere categorization condition toward less entitativity and toward more entitativity. Participants were asked to describe the choice allegedly made by another participant in allocating resources to ingroup and outgroup members. Results showed an overall linguistic bias, whereby ingroup behaviors were described more positively and abstractly than outgroup behaviors. Increasing group entitativity resulted in increasingly biased outgroup descriptions, which in the most entitative condition revealed a predominant use of negative abstract terms

The effects of recalling positive and negative contacts on linguistic discrimination towards migrant people

The present research aims to test whether varying the sequential position in which majority members recall positive and negative contacts with migrants affects the linguistic descriptions of these episodes - in terms of abstraction and valence - provided by majority group members. We also tested whether participants' prior contact with migrants and distance in time of the recalled contact experiences moderated the effect of the recall on linguistic discrimination. Across two experimental studies, evidence consistently showed that participants who recalled first positive and then negative interactions expressed less linguistic discrimination against migrants in the second event recalled, compared to those who recalled two negative interactions. Moreover, participants who reported having fewer positive intergroup experiences expressed less linguistic discrimination against migrants in recalling negative and then positive interactions, compared to recalling two positive interactions. Findings of Study 2 also revealed an effect of the temporal distance of the recalled events, with more beneficial effects of positive-negative sequences of contact when participants retrieved temporally recent compared to distant intergroup encounters. Overall, this research highlights the key role of positive contact in counteracting the effects of negative contact, leading to a reduction in linguistic discrimination

The Language of Adolescents in Depicting Migrants

This study (N = 161 Italian adolescents attending 11th and 12th grade of secondary school) investigated how adolescents linguistically portray migrants. Over a year and a half, the study considered whether positive factors known to reduce social discrimination – i.e., multiple categorization of migrants and/or the degree of identification with the human group – are associated with relatively unbiased linguistic descriptions of migrants. The coding system had three categories of terms referring to the outgroup: generalized/categorical definitions, individuating piecemeal information or membership in the human group. We found that adolescents who used multiple categorizations to describe migrants and self-identified with the human group (at T1) also linguistically described migrants in human and individuating terms (at T2). The findings are discussed underlying the implications of defying the self and outgroups in multiple complex ways through language, as an ecological means used by adolescents to communicate their views of others

Humanizing Outgroups Through Multiple Categorization: The Roles of Individuation and Threat

In three studies, we examined the impact of multiple categorization on intergroup dehumanization. Study 1 showed that perceiving members of a rival university along multiple versus simple categorical dimensions enhanced the tendency to attribute human traits to this group. Study 2 showed that multiple versus simple categorization of immigrants increased the attribution of uniquely human emotions to them. This effect was explained by the sequential mediation of increased individuation of the outgroup and reduced outgroup threat. Study 3 replicated this sequential mediation model and introduced a novel way of measuring humanization in which participants generated attributes corresponding to the outgroup in a free response format. Participants generated more uniquely human traits in the multiple versus simple categorization conditions. We discuss the theoretical implications of these findings and consider their role in informing and improving efforts to ameliorate contemporary forms of intergroup discrimination

Promoting beliefs in the inalienability of human rights by attributing uniquely human emotions through multiple categorization

The combination of multiple categorization (i.e., the use of multiple criteria to define others) and human identity-the superordinate group of human beings-has recently been highlighted as a method to reduce implicit (i.e., attribution of secondary emotions) and explicit (i.e., attribution of human rights) dehumanization towards Blacks. In two studies aimed to replicate such evidence the mediating role of secondary emotions in explaining the impact of multiple and human categorization in reducing dehumanization was assessed. The role of implicit cognition such as attribution of secondary emotions in leading people to attribute human rights to minorities is discussed

A multidimensional implicit approach to gender stereotypes

Research has widely explained gender inequalities in terms of gender stereotypes, according to which women are considered more nurturing, empathic, and emotional but less competent – than men. Recent evidence highlights that especially women are portrayed along multiple dimensions. In this research, we adopted an implicit Semantic Misattribution procedure to detect whether gender stereotypes have a multidimensional structure and are differently attributed to men and women. Results showed that Competence and Dominance-related terms were considered more masculine ones. In contrast, Morality and Physical Attractiveness were attributed to feminine ideograms to a higher and significant extent than masculine ones. Sociability was related to feminine and masculine ideograms almost to the same extent. The gathered evidence provided a multidimensional picture even composed of more judgment dimensions with reference to women highlighting how it can be difficult for them to meet all those multiple expectancies

Identification and Characterization of Cancer Stem Cells from Head and Neck Squamous Cell Carcinoma Cell Lines

Background/Aims: Head and neck squamous cell carcinoma (HNSCC) ranks sixth worldwide for tumor-related mortality. A subpopulation of tumor cells, termed cancer stem cells (CSCs), has the ability to support cancer growth. Therefore, profiling CSC-enriched populations could be a reliable tool to study cancer biology. Methods: We performed phenotypic characterization of 7 HNSCC cell lines and evaluated the presence of CSCs. CSCs from Hep-2 cell line and HNSCC primary cultures were enriched through sphere formation and sphere-forming cells have been characterized both in vitro and in vivo. In addition, we investigated the expression levels of Nicotinamide N-methyltransferase (NNMT), an enzyme overexpressed in several malignancies. Results: CSC markers were markedly expressed in Hep-2 cell line, which was found to be highly tumorigenic. CSC-enriched populations displayed increased expression of CSC markers and a strong capability to form tumors in vivo. We also found an overexpression of CSC markers in tumor formed by CSC-enriched populations. Interestingly, NNMT levels were significantly higher in CSC-enriched populations compared with parental cells. Conclusion: Our study provides an useful procedure for CSC identification and enrichment in HNSCC. Moreover, results obtained seem to suggest that CSCs may represent a promising target for an anticancer therapy

Marine phycotoxin levels in shellfish-14 years of data gathered along the Italian coast

Along the Italian coasts, toxins of algal origin in wild and cultivated shellfish have been reported since the 1970s. In this study, we used data gathered by the Veterinary Public Health Institutes (IZS) and the Italian Environmental Health Protection Agencies (ARPA) from 2006 to 2019 to investigate toxicity events along the Italian coasts and relate them to the distribution of potentially toxic species. Among the detected toxins (OA and analogs, YTXs, PTXs, STXs, DAs, AZAs), OA and YTX were those most frequently reported. Levels exceeding regulatory limits in the case of OA (≤2,448 μg equivalent kg-1) were associated with high abundances of Dinophysis spp., and in the case of YTXs (≤22 mg equivalent kg-1) with blooms of Gonyaulax spinifera, Lingulodinium polyedra, and Protoceratium reticulatum. Seasonal blooms of Pseudo-nitzschia spp. occur all along the Italian coast, but DA has only occasionally been detected in shellfish at concentrations always below the regulatory limit (≤18 mg kg-1). Alexandrium spp. were recorded in several areas, although STXs (≤13,782 μg equivalent kg-1) rarely and only in few sites exceeded the regulatory limit in shellfish. Azadinium spp. have been sporadically recorded, and AZAs have been sometimes detected but always in low concentrations (≤7 μg equivalent kg-1). Among the emerging toxins, PLTX-like toxins (≤971 μg kg-1 OVTX-a) have often been detected mainly in wild mussels and sea urchins from rocky shores due to the presence of Ostreopsis cf. ovata. Overall, Italian coastal waters harbour a high number of potentially toxic species, with a few HAB hotspots mainly related to DSP toxins. Nevertheless, rare cases of intoxications have occurred so far, reflecting the whole Mediterranean Sea conditions