Aggressive behavior associated with naturally elevated serum testosterone in mares
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No evidence for detrimental effect of chemical castration on working ability in Swiss military dogs
2019, Applied Animal Behaviour ScienceCitation Excerpt :Hormones are important regulators of social behaviour (Wingfield et al., 1987; Bender et al., 2006). High androgen activity is linked with a high social status in various vertebrate species (Beaver and Amoss, 1982; Oliveira et al., 1996; Cavigelli and Pereira, 2000; Poisbleau et al., 2005; Bender et al., 2008), whereas an increased cortisol level is typically associated with stress (De Vries et al., 2003; Dickerson and Kemeny, 2004). Hormonal changes in puberty, for instance, are well-known for their effects on social behaviour.
Testosterone and androgen receptor gene polymorphism are associated with confidence and competitiveness in men
2017, Hormones and BehaviorCitation Excerpt :The androgen testosterone is theorized to promote dominance in humans, i.e. it promotes an individual's motivation to seek and maintain social status (Cashdan, 1995; Eisenegger et al., 2011; Grant and France, 2001; Josephs et al., 2006; Mazur, 2005; Mazur and Booth, 1998; Mehta et al., 2015). Across a large number of non-human animal species, including rodents, wolves, cattle, and non-human primates, testosterone levels relate positively to social rank and dominant behaviors, especially when the status hierarchy is unstable (Beaver and Amoss, 1982; Beehner et al., 2005; Boissy and Bouissou, 1994; Cavigelli and Pereira, 2000; Coe et al., 1979; Collias et al., 2002; Grant and France, 2001; Harrington and Asa, 2010; Muehlenbein and Watts, 2010; Oliveira et al., 1996; Wingfield et al., 1990). In humans, social status is often pursued by choosing to compete with others (Archer, 2006; Edwards, 2006; Mazur, 2005; Mazur and Booth, 1998).
The evolution of the Behavioural Approach System (BAS): Cooperative and competitive resource acquisition strategies
2016, Personality and Individual DifferencesCitation Excerpt :Impulsivity is associated with dopamine, serotonin (Dalley & Roiser, 2012), and testosterone (Montoya, Terburg, Bos, & van Honk, 2012). Testosterone has been found important in attaining social status in number of cross-species studies (e.g., Beaver & Amoss, 1982; Coe, Mendoza, & Levine, 1979; Elofsson, Mayer, Damsgård, & Winberg, 2000). In human studies, testosterone is linked with domination (Sellers, Mehl, & Josephs, 2007), choice of risky carriers (Sapienza, Zingales, & Maestripieri, 2009), aggression (Archer, 2006), and level of reproductive effort (Alvergne, Jokela, Faurie, & Lummaa, 2010), which all correspond to competitive motives.
Influence of testosterone on the docility of German Simmental and Charolais heifers during behavior tests
2015, Physiology and BehaviorCitation Excerpt :For example, according to Gastal et al. [4] stallion-like behavior, including especially mounting, in mares without ovarian tumors, is a consequence of high ephemeral fluctuation in testosterone. Also according to Beaver and Amoss [5] high serum testosterone levels can be one reason for masculine and aggressive behavior of mares. Vandenheede and Bouissou [6] subjected rams and ewes to fear-eliciting situations and described rams to be less fearful, perhaps as a result of sex-specific differences in hormone levels.
Testosterone change after losing predicts the decision to compete again
2006, Hormones and Behavior