Tuesday, April 22, 2014

AIP Final Draft: Laughter vs. Empathy and Their Physical Effects


Laughter and comedy are things that we have commonly discussed and attempted to define over and over again in class.  As we have discussed this, we have talked about the various qualities of both of these, how they relate, and how they are portrayed in plays or defined in articles.  The basis of laughter is how it makes us feel (or don’t feel according to Bergson) and our experiences and response toward an external source.  This observation is what led us, Pamela and Rachel, to see the effects it has on us internally.  What is it about laughter that enhances the quality of life and how does the effects of laughter on the body relate to the definitions of laughter that we have begun to develop?  Furthermore, how does this compare to the effects that emotions have on us?  Since there are numerous amounts of emotions, we decided to focus on the one that is the most relevant- empathy.  Bergson stated in his article that in a world full of empathy, there would be no laughter.  Is this true? Since it is a purely hypothetical question that cannot be proven by comparing a group of people that only feel empathy to those who are void of it, we decided to see if there is a physical truth behind Bergson’s claim. This will allow people a more comprehensive understanding of laughter and how that compares to empathy for those of us who are interested in biology/ chemistry.

            Lucky for us there is a word that defines what we are studying- gelotology, the study of laughter.  The first thing that is to be noted is that there are various kinds of laughter and each different kind of laughter involves various network pathways of the brain.  The various kinds of laughter includes but are not limited to a response to joy, response to tickling, a signal of mockery, or in response to something humorous (Science Daily).  The latter is what we are going to focus on in this blog, just to demonstrate what physically happens, and to simplify our comparison. This comparison could be presented in a digital format where the different pathways of laughter and empathy are color coded, and you could click on a different area of the brain to see what happens there and how each of these things are processed. 

            The main aspect we were curious about when looking at laughter was what hormones are released? Do these hormones or pathways hint to the definition of laughter that Bergson portrayed?  From that article, Bergson mentioned that laughter is void of emotion.  Our project contains the differences that each of these has on the brain.  The main difference is that emotions are usually limited to one area of the brain, where laughter resonates throughout.  The frontal lobe of your brain is your emotional response.  In comparison, laughter uses the left side of the cortex to analyze the words and structure of the comical situation or joke, the right hemisphere of the cortex to “get” the joke, and sensory processing areas like the occipital lobe (lobe that interprets visual information)(How Stuff Works).   As for the hormones, it is known that laughter stimulates the release of endorphins, which promotes happiness ( the same hormone that is associated with “runner’s high”). 

            As for empathy, it is generally defined as the ability to sense other people’s emotions, coupled with the ability to imagine what someone else must be feeling or thinking.  During a study done by Marx Thioux, M.D. and his team, they discovered that there is greater stimulation in the premotor cortex of the brain for those with the highest empathy scores, and that stimulation is virtually inexistent in those who had the lowest empathy scores.  Similarly, the level of activity in the insula and the anterior cingulate cortex is augmented when seeing someone in emotional pain.  In the premotor cortex, there are things called mirror neurons.  These are the key to empathy.  Not only do they fire when you execute an action, but also when you observe another individual performing that action. 

            Using these facts, we will form a connection or lack of connection between the two actions.  For example, those who participated in the study concerning empathy, the premotor cortex was not as active if the person they saw in pain previously offended them.  So, there has been speculated that there is an inhibitory gating mechanism that can block the mirror neurons from firing.  We were surprised to find this because we did not actually expect to find any physical evidence of relationship between the two, but maybe the mirror neurons must be blocked in order to laugh at other people’s expense.

            Using a visual representation during the poster session will allow us to portray this information in a much simpler, easy to understand way so that people will be able to understand a more comprehensive look at laughter and how that compares to empathy.  This information can then be used to rather prove or disprove Bergson’s theory.  (This conclusion, of course, is based off of shallow information of how the brain functions.)

 

 

 

                                                                     Works Cited

Berk, Lee S., M.D. "Laughter Does the Body Good." SuperConsciousness Magazine. N.p., n.d. Web. 14 Apr. 2014.< http://www.superconsciousness.com/topics/health/interview-dr-lee-s-berk>.

Brain, Marshall. "How Laughter Works." HowStuffWorks. HowStuffWorks.com, 01 Apr. 2000. Web. 14 Apr. 2014. <http://science.howstuffworks.com/life/laughter1.htm>.

Feature, R. Morgan GriffinWebMD. "Laughter: Good For Your Health." WebMD. WebMD, n.d. Web. 14 Apr. 2014.< http://www.webmd.com/balance/features/give-your-body-boost-with-laughter>.

"Is Laughter Really the Best Medicine?" ScienceDaily. ScienceDaily, n.d. Web. 14 

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