نتایج جستجو برای: aggressiveness
تعداد نتایج: 7680 فیلتر نتایج به سال:
A study examined the relationship among instructor socio-communicative style, argumentativeness, and verbal aggressiveness in the college classroom. Participants were 139 undergraduate students enrolled at a small southern university who completed the Assertiveness-Responsiveness Measure (Richmond and McCroskey, 1995), as well as modified versions of the Argumentativeness scale (Infante and Ran...
Glioblastoma is the most lethal brain tumour with a poor prognosis. Cancer stem cells (CSC) were proposed to be the most aggressive cells allowing brain tumour recurrence and aggressiveness. Current challenge is to determine CSC signature to characterize these cells and to develop new therapeutics. In a previous work, we achieved a screening of glycosylation-related genes to characterize specif...
22 The evolution and maintenance of honest or reliable signaling has been a major question 23 in evolutionary biology. The question is especially puzzling for a particular class of signals used 24 in aggressive interactions: threat signals. Here we report a study on song sparrows (Melospiza 25 melodia) in which we assayed males with playbacks in their territories to quantify their 26 aggressive...
Studies in both pathological and healthy samples have suggested altered functional connectivity between orbitofrontal cortex (OFC) and amygdala as a possible cause of anger and aggression. In patient populations presenting with pathological aggression, there is also evidence for changes in structural connectivity between OFC and amygdala. In healthy samples, however, the relationship between wh...
Aggressive behaviour within pairs of male crickets leads to the establishment of a dominance hierarchy. Defeated males avoid their victorious adversaries for several hours before regaining aggressiveness. However, the defeated male does not regain aggressiveness if repeated fighting occurs. Loss of individual aggressiveness is limited by group size, which constrains the number of crickets fight...
Accurate assessment of competitive ability is a critical component of contest behavior in animals, and it could be just as important in human competition, particularly in human ancestral populations. Here, we tested the role that facial perception plays in this assessment by investigating the association between both perceived aggressiveness and perceived fighting ability in fighters' faces and...
Reproductive isolation among locally adapted populations may arise when immigrants from foreign habitats are selected against via natural or (inter-)sexual selection (female mate choice). We asked whether also intrasexual selection through male-male competition could promote reproductive isolation among populations of poeciliid fishes that are locally adapted to extreme environmental conditions...
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