The object of study of the Affective Neuroscience are the emotions. Through fMRI investigations, Dr. Richard Davidson (2012) at the University of Wisconsin, demonstrated  that the left prefrontal cortex is more active when people feel happy, and this zone plays an important role in defending against stress.  In contrast the right prefrontal cortex is more active when people feel sad, anxious or angry.

On this basis, Davidson (2012), aims to strengthen the left side of the prefrontal cortex neurons and inhibit the messages of the amygdala that sends disturbing emotions, it helps to get something called resilience.

Breazeale, Ron. (2013)The Role of The Brain in Happiness.Psychology Today.[Online]19th February. Available from: https://www.psychologytoday.com/blog/in-the-face-adversity/201302/the-role-the-brain-in-happiness [Accesed: 20th April 2016]

On the other hand, Dr. Mario Alonso Puig (2012), says that the smile is as beneficial as the positive words. One of its prescriptions, is just smile to those people that most annoying result, to which are associated with emotions of rejection, anxiety, anger that may trigger a state of bitterness.

The simple act of smiling, even when it is forced stimulates the brain in such a way that it deceives him because on the one hand, it feels anger and on the other hand believes to be happy. This fact activates the left prefrontal cortex which has to process the new information thus transforming into positive.

El Hormiguero. (2013)El Blog que te hará pensar [Online] February 6th 2013. Available from: http://elblogqueteharapensar.blogspot.com.es/2013/02/los-7-secretos-para-ser-feliz-por-el.html [Accesed: 20th April 2016]

A common practice in the psychotherapy is to express the emotions and the feelings without mattering if it is in an oral or written way, as long as they are prevented from remaining caught inside the person. To verbalize them, activates the left prefrontal cortex which gives place to negative thoughts become positive, improvement both mental and physical health.

According to statistics provided by The Harvard University researches, 60 to 90% of general medicine consultations, they are due to toxic emotions, such as bitterness, frustration and resentment among others.

This information has motivated and stimulates to continue search for alternatives to learn more about the neuroscience of emotions and make proposals of managing across a style of Psychotherapy more focused on Positive.

Inside and outside, a smile always opens doors and it costs nothing…

Ruth Talavera Flores


Research Associate & IRIANS’s Representative for

the Iberian Peninsula and Mexico

IRIANS – The Neuroscience Institute


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