As we should know, mammals sex is determined and is dependent on the expression of chromosomal genes; however, subsequent sexual differentiation of the nervous system is primarily regulated by sex hormones. In other words, sex hormones play essential roles in behavior just as much as they do in reproductive development and function. High Testosterone, for example, plays a critical role in brain development, reproductive physiology, and social behavior, in both genders, but particularly so in males. Although most research into the field of behavioral endocrinology focuses on the role hormones play on behavioral measures, there is sufficient evidence suggesting that this relationship is not unidirectional. In fact, it is now believed that one’s behavior, the behavior of others around us, and other environmental factors, can significantly alter endocrine function.
In other words, having higher levels of a specific hormone can lead to certain behaviors, which in turn can lead to increasing levels of that same hormone, which further reinforces manifestations of that behavior, and so on and so on. Therefore, it is extremely important we begin to understand the fascinating role that hormones play in behavior and the ways in which personality traits might be manifestations of our endocrine status. With testosterone being one of the most biologically active sex hormones, let us take a look at five personality traits for men with healthy testosterone levels. It is also well known men with high Testosterone personalities are similar to Alpha males
Competitive behaviors and the need for social dominance have been directly linked to higher testosterone levels.
In one famous study, testosterone serum levels were measured in six tennis players across six different matches throughout their entire athletic season. The results were as follows: Serum testosterone levels rose shortly before matches, and it was found that the athletes with the highest pre-match testosterone levels had the most positive mood before their matches. When testosterone levels were measured post-match, it was found that mean serum testosterone levels rose for all winners relative to all losers. This effect was even more prevalent for winners with positive moods after their victories and who evaluated their performance as positive. Surprisingly, the effect carried over to the next match, as it was found that winners with rising testosterone had higher testosterone before the start of the next competition. In contrast, all losers experienced falling testosterone levels post-match and had relatively lower testosterone levels before their next match. Bodybuilders are also famously competitive.
It has been demonstrated that individuals with higher basal serum levels of testosterone tend to be more decisive, and they rarely second-guess themselves once they have concluded. Higher levels of serum testosterone also increase individual’s ability to recognize these traits introspectively, with a positive correlation between higher testosterone levels and individual’s predilection for expressing stronger feelings of independence and strength.
Additionally, virtually all research into the field of behavioral endocrinology strongly suggests that basal serum levels of testosterone play an important role in moral decision making. Studies that when individuals have higher basal testosterone levels, they experience a decreased aversion to risk and a significantly increased threshold for situations of conflict, fear, stress, and threat. Repeatedly, studies have correctly predicted that individuals with healthy testosterone levels are far more likely to make practical decisions, especially if doing so involves participating in acts of aggression and at a marked social cost.
• RISK TAKING
Risk taking and testosterone levels have had a historical association. Higher levels of serum testosterone have been positively linked to the pursuit of status, dominance, competition, and violence. In fact, there is plenty of evidence that suggests that when the pursuit of a desire is not fulfilled, testosterone levels increase as cognitive functioning declines.
A recent study examined across the board risk preferences in men and found that the relationship between testosterone and risk preference is complex and multifaceted. The study concluded that too much testosterone or too little testosterone has the same overall effect regarding risk aversion. As testosterone levels rise or fall below normal levels the appetite for risk increases.
The fact that both high and low testosterone levels translated to experiencing increased tolerance of risk suggests that testosterone levels play an essential role in determining our risk aversion preferences irrespective of other factors.
The results of this study line up with past assumptions about the relationship between testosterone and risk-taking. Women who typically have lower testosterone levels than men were found to be significantly more averse to risk than men.
One of the underlying components in the neural network that modulates emotion perception and processing is the amygdala. Recent neuroimaging studies have found that testosterone plays a crucial role in amygdala modulation and is therefore essential to proper behavioral responses particularly to threat-related emotions such as anger.
Additionally, in a recent study, subjects were told to participate in a given a neutral activity for 5 minutes, followed by participation in more stressful and competitive actions. At the end of the assignment, the subjects were told to assess their emotions, while the team collected saliva samples to determined testosterone levels. The results of the test revealed that anger was the primary emotion linked to significant increases in testosterone levels amongst men. It is believed that a motivation to regain control and dominance explains the correlation between self-reported anger and testosterone levels.
All throughout the natural world, higher levels of serum testosterone correlate with enhanced assertiveness and aggressiveness. How does testosterone cause aggression? Testosterone acts as a pro-hormone which is converted to 5-alpha-dihydrotestosterone to activate certain androgen receptors. Most of the clinical evidence suggests that the modulating effects of testosterone on aggression occur after the hormone has been aromatized. This has been further corroborated by the fact that aromatase inhibitors blocked aggressive response in test subjects.
It is important to differentiate between aggressive behaviors and violence per se; they are not one and the same, and having more testosterone will not make an individual more violent.
However, testosterone induced aggression will manifest itself in various such as aggressive thoughts, verbal aggressiveness, and dominance behavior. Testosterone has been demonstrated to play a significant role in the arousal of these behavioral manifestations in the areas of the brain which govern aggression response and on the development of a muscular system that enables their realization.
Want to CHANGE your perception from other Men and Women?
Testosterone is just the FIRST Step….
- Aromäki-Stratos, Anu, and Ralf Lindman. “Testosterone, aggressiveness, and antisocial personality.” Aggressive Behavior 25 (1999): 113-123.
- Olweus, Dan, et al. “Testosterone, aggression, physical, and personality dimensions in normal adolescent males.” Psychosomatic medicine (1980).
- Sellers, Jennifer Guinn, Matthias R. Mehl, and Robert A. Josephs. “Hormones and personality: Testosterone as a marker of individual differences.” Journal of Research in Personality 41.1 (2007): 126-138.
- Geniole, Shawn N., Michael A. Busseri, and Cheryl M. McCormick. “Testosterone dynamics and psychopathic personality traits independently predict antagonistic behavior towards the perceived loser of a competitive interaction.” Hormones and behavior 64.5 (2013): 790-798.
- Daitzman, Reid, and Marvin Zuckerman. “Disinhibitory sensation seeking, personality and gonadal hormones.” Personality and Individual Differences 1.2 (1980): 103-110.
- Ehrenkranz, Joel, Eugene Bliss, and Michael H. Sheard. “Plasma testosterone: correlation with aggressive behavior and social dominance in man.” Psychosomatic Medicine (1974).
- Goldberg, Lewis R. “The structure of phenotypic personality traits.” American psychologist 48.1 (1993): 26.