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The Humintell Blog May 19, 2014

Can You Beat the Odds?

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Courtesy of StockVault

     Do you think you have an addictive personality?  No what about when it comes to games of chance are you fooled by the odds in your head?

New research published in Proceedings of the National Academy of Sciences, PNAS reports that an area of the brain thought to be important for emotion may be hyperactive in gambling addicts. People who suffer damage to this area – the insula – do not appear to experience the distorted thinking that spurs people to keep gambling.

Dr. Luke Clark, of the University of Cambridge, and colleagues set out to explore whether there might be a neurological explanation for the erroneous beliefs seen in problem gambling. Medical News Today reports that to do this Dr. Clark and colleagues needed to examine patients with brain injury, as he explains:

“While neuroimaging studies can tell us a great deal about the brain’s response to complex events, it’s only by studying patients with brain injury that we can see if a brain region is actually needed to perform a given task.“

The researchers recruited patients with injuries to one of three different parts of the brain – the insula, the amygdala or the ventromedial prefrontal cortex – and invited them to play two different gambling games: one using a slot machine and another using a roulette wheel.

The slot machine game was designed to deliver wins and near misses, such as a near jackpot where one of the cherries is just one place above or below the winning line. The roulette game just involved red or black predictions to bring out the gambler’s fallacy (i.e. assuming the chances of black are higher if there has been a run of reds).

For comparison, the researchers also invited patients with injuries to other parts of the brain and healthy volunteers to play the gambling games as well.

Many of us who play the lottery or the occasional game on a slot machine or roulette wheel have felt the hope that is reflected in thoughts like – “I didn’t win this time, so I am bound to win next time.“  Problem gamblers seem to be more susceptible to this distorted thinking – what the researchers describe as “distorted psychological processing of random sequences (the gambler’s fallacy) and unrewarded outcomes that fall close to a jackpot (near misses).”

Many of experience the gambler’s fallacy when we toss a coin and get 10 heads in a row. There is a natural tendency to believe the odds of tossing a tails next time is higher. Yet while it feels hard to believe, the odds are exactly the same for the 11th toss, even after 10 heads in a row, as they were for the first – the chance of tossing tails is still 50-50.

The “near misses” distorted thinking is the kind that makes us believe that because we just missed the jackpot this time, it means we are more likely to hit it next time or in the future.

The results showed that only participants with intact insulas showed signs of cognitive distortion. They were more motivated to continue playing after near misses (compared with after full misses) on the slot machine, and they were also more likely to choose either color less after longer runs of that color on the roulette game.

This was not the case in those participants who had suffered damage to the insula, suggesting the damage had abolished the tendency to the type of distorted thinking that problem gamblers are more prone to.

Dr. Clark says the finding leads them to believe “the insula could be hyperactive in problem gamblers, making them more susceptible to these errors of thinking.“

Filed Under: Science, Technology

The Humintell Blog May 14, 2014

Brain Games – Body Language & Follow the Leader

Are you a follower? Or a natural born leader?

Take a look at the Brain Games clips below and learn how much of your behavior is based on what your brain is copying from the people around you.

In the Brain Games Episode “Follow the Leader” , you discover how you unconsciously adapt the way you behave, speak, and move according to who you’re talking to, who you’re trying to please, or who you’d like to be like in the future.

Click here to view the embedded video.

 

Research by psychologist Amy Cuddy revealed that participants have higher levels of testosterone (associated with dominance) and lower levels of cortisol (associated with stress) within 2 minutes of holding the poses below.

 

Click here to view the embedded video.

 So are You a Leader or a Follower? 
Share your take on this episode in our Comments

Filed Under: Nonverbal Behavior, Science

The Humintell Blog May 8, 2014

Stay Calm, Be Successful- Control Emotional Outbursts

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Photo Courtesy of StockVault

Many of us are aware if the havoc excess stress can take on our mind and bodies. Stress can cause so many mental and physical ailments that make it difficult to handle day-to-day activities.  Yet, we often take on more than we are mentally & physically capable of doing without undue stress.   A recent Yale Study found that prolonged stress causes degeneration in the area of the brain responsible for self-control.

Stress in and of itself is unavoidable and researchers note that some stress is good for us.  Our “fight or flight” response is a reaction to outside stressors.  As most us us no longer need to worry about being chased by a lion, we have evolved to use this “good” stress in other ways such as competitions, brain storming etc.

Forbes Magazine noted in their recent article on stress that we tend to perform at our optimal level when we are under stress.  However, Forbes cites new research from UC Berkeley that points outs the benefits as well as the harmfulness stress can have on one’s personal life, work performance and overall brain function.

The study led by Elizabeth Kirby, shows the key to using stress to our benefit is the duration of the stressor.  Short bursts of stress are productive and can cause a person to perform at their best (creates new brain cells responsible for memory); however, long durations of stress (more than a few minutes) it has negative effects on a person’s mental stability as well as their physical performance by suppressing the brain’s ability to develop new cells.  Kirby states, “I think intermittent stressful events are probably what keeps the brain more alert, and you perform better when you are alert.”

The question is what to do to decrease the effects prolonged stress (which many of us deal with) has on us and increase our ability to Stay Calm in stressful situations:

– Take time to note the things that you are grateful for. It does improve your mood and reduces cortisol by 23% (according to research from UC Davis).

– Stop asking “What If”.  Things can go in a myriad of directions at any given time.  Don’t stress about something that doesn’t exist.

– Think Positive. Yes it is that easy (or is it?) Thinking about something positive helps make stress intermittent by focusing your brain’s attention onto something that is completely stress-free. You have to give your wandering brain a little help by consciously selecting something positive to think about.

– Disconnect: Turn off that cell phone. Taking regular time off the grid can help keep your stress under control. When you make yourself available to your work 24/7, you expose yourself to a constant barrage of stressors.

– Sleep.  It increases your emotional intelligence and your ability to manage your stress levels. When you sleep, your brain literally recharges, shuffling through the day’s memories and storing or discarding them (which causes dreams), so that you wake up alert and clear-headed.

– Stop the Negative Self-Talk. We tend to be our worst critics.  There is no rewind button so stop evaluating yourself based on situations from the past. Once you’ve taken a moment to slow down the negative momentum of your thoughts, you will be more rational and clear-headed in evaluating their veracity.

Most important and perhaps the hardest tip to implement:

– Re-frame Your Perspective.  Stress and worry are fueled by our own skewed perception of events. It’s easy to think that unrealistic deadlines, unforgiving bosses, and out-of-control traffic are the reasons we’re so stressed all the time. You can’t control your circumstances, but you can control how you respond to them. So before you spend too much time dwelling on something, take a minute to put the situation in perspective. If you aren’t sure when you need to do this, try looking for clues that your anxiety may not be proportional to the stressor.

The lesson to take with you:  The bad news: Stress increases your risk of heart disease, depression, and obesity and decreases your cognitive performance. The good news: The majority of a person’s stress is subjective and under their control.

Filed Under: Uncategorized

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