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Your Personality May Be Controlled By Your Immune System, Study Finds

Your Personality May Be Controlled By Your Immune System, Study Finds

Despite the social and geopolitical tensions that exist in today’s society, the human race has evolved to a point where multiculturalism and interactivity between different creeds is entirely normal. While there are many inspirational stories concerning those who have battled oppression to practice their beliefs, in general, we live in a tolerant and accepting world.

Interestingly, animals have also evolved over time and become increasingly sociable, particularly in environments where one species is dominant. The same can be said for species’ with high populations such as rats and mice, many of which are often forced to coexist in small, urban spaces.

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What recent studies have told us about the evolution of sociability

In instances such as this, however, this heightened level of interaction can increase each animal’s chances of coming into contact with pathogens and infections. Over time, this has driven the need for animals to develop stronger and more capable immune systems, with historical research suggesting that environmental changes were most likely to alter the course of their development.

While this makes perfect sense, a new generation of researchers from the University of Virginia have discovered that the immune system of some species actively controls the elements of their brain that are responsible for social behaviour. This may ultimately change the way that we think about evolution and development, as the rise in sociability may actually have occurred as a direct result of heightened immune systems (rather than the other way around).

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How your Personality is controlled by your Immune System

According to the most recent studies, mice that were bred without a specific pathogen-fighting immune molecule became anti-social over time, while also displaying other prominent social defects such as autism. Upon further examination of the subject’s brain activity during testing, it was revealed that particular brain regions in the prefrontal cortex that control social behaviour had become hyperactive, which is similar to the experiences of humans with autism.

Conversely, when these subjects were injected with the missing immune molecule, they immediately behaved in a far healthier manners without displaying any social abnormalities. In purely scientific terms, this increased the levels of a prominent neurotransmitter called GABA, which in turn alleviated the subjects’ hyperactivity and triggered a chance in their social tendencies.

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The Last Word

In summary, this fascinating discovery has changed the way that scientists think about the brain and its relationship to the immune system (in the case of both animals and humans). Whereas the brain and the adaptive immune system were once considered to be isolated from one another, it is now apparent that these two entities actually share a close and interactive connection. It is also clear that our immune system has a direct influence on our personality type, and particularly the way in which we socialise and interact with others.

In the long-term, this discovery may also impact on the way in which immune activity in the brain is observed in humans. This was once seen as a clear sign of pathology, but this is no longer the case given the recent findings meaning that diagnostics and treatments could change accordingly.

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Featured photo credit: Terry White / Flickr via flickr.com

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Last Updated on December 2, 2018

7 Public Speaking Techniques To Help Connect With Your Audience

7 Public Speaking Techniques To Help Connect With Your Audience

When giving a presentation or speech, you have to engage your audience effectively in order to truly get your point across. Unlike a written editorial or newsletter, your speech is fleeting; once you’ve said everything you set out to say, you don’t get a second chance to have your voice heard in that specific arena.

You need to make sure your audience hangs on to every word you say, from your introduction to your wrap-up. You can do so by:

1. Connecting them with each other

Picture your typical rock concert. What’s the first thing the singer says to the crowd after jumping out on stage? “Hello (insert city name here)!” Just acknowledging that he’s coherent enough to know where he is is enough for the audience to go wild and get into the show.

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It makes each individual feel as if they’re a part of something bigger. The same goes for any public speaking event. When an audience hears, “You’re all here because you care deeply about wildlife preservation,” it gives them a sense that they’re not just there to listen, but they’re there to connect with the like-minded people all around them.

2. Connect with their emotions

Speakers always try to get their audience emotionally involved in whatever topic they’re discussing. There are a variety of ways in which to do this, such as using statistics, stories, pictures or videos that really show the importance of the topic at hand.

For example, showing pictures of the aftermath of an accident related to drunk driving will certainly send a specific message to an audience of teenagers and young adults. While doing so might be emotionally nerve-racking to the crowd, it may be necessary to get your point across and engage them fully.

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3. Keep going back to the beginning

Revisit your theme throughout your presentation. Although you should give your audience the credit they deserve and know that they can follow along, linking back to your initial thesis can act as a subconscious reminder of why what you’re currently telling them is important.

On the other hand, if you simply mention your theme or the point of your speech at the beginning and never mention it again, it gives your audience the impression that it’s not really that important.

4. Link to your audience’s motivation

After you’ve acknowledged your audience’s common interests in being present, discuss their motivation for being there. Be specific. Using the previous example, if your audience clearly cares about wildlife preservation, discuss what can be done to help save endangered species’ from extinction.

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Don’t just give them cold, hard facts; use the facts to make a point that they can use to better themselves or the world in some way.

5. Entertain them

While not all speeches or presentations are meant to be entertaining in a comedic way, audiences will become thoroughly engaged in anecdotes that relate to the overall theme of the speech. We discussed appealing to emotions, and that’s exactly what a speaker sets out to do when he tells a story from his past or that of a well-known historical figure.

Speakers usually tell more than one story in order to show that the first one they told isn’t simply an anomaly, and that whatever outcome they’re attempting to prove will consistently reoccur, given certain circumstances.

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6. Appeal to loyalty

Just like the musician mentioning the town he’s playing in will get the audience ready to rock, speakers need to appeal to their audience’s loyalty to their country, company, product or cause. Show them how important it is that they’re present and listening to your speech by making your words hit home to each individual.

In doing so, the members of your audience will feel as if you’re speaking directly to them while you’re addressing the entire crowd.

7. Tell them the benefits of the presentation

Early on in your presentation, you should tell your audience exactly what they’ll learn, and exactly how they’ll learn it. Don’t expect them to listen if they don’t have clear-cut information to listen for. On the other hand, if they know what to listen for, they’ll be more apt to stay engaged throughout your entire presentation so they don’t miss anything.

Featured photo credit: Flickr via farm4.staticflickr.com

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