Monday, May 15, 2017

Why some people hate cheese!

Hello everybody!

So today let's learn a bit about how our brain circuits work.

Some people hate cheese. Like seriously?
How can you miss the warm fussy feeling you get while eating warm molten cheese in a Fondue!

Well some people might not feel any bit of it and rather feel disgusted when presented with cheese.( I feel bad for them )

Anyway let's see how these things work.

Why aversive to cheese per say? 

Cheese is the food that most frequently triggers aversion. 

 Among those with an aversion to cheese, 20% say they are intolerant to lactose. In 50% of cases, at least one of their family members does not like cheese either. These stats suggested that there is a genetic origin to this aversion, which might be related to lactose intolerance.

To find out what happens in the brain,  people who like cheese and who do not were selected and participated in a functional magnetic resonance imaging (fMRI) study. 

They observed that the ventral pallidum which is activated in people who are hungry was totally inactive in people who had an aversion to cheese but was active for all other food types. Also the Globus Pallidus and Substantia Nigra part ( the reward circuit) was more active in people who had aversion to cheese than in those who do. 

So in conclusion, the areas of reward centres of our brain the Globus Pallidus and Substantia Nigra have two types of neurons with complementary activity , one relating to the rewarding aspect of food and other to it's aversive nature.

So now we have a breif idea as to how the brains are wired differently and how we all our special in our own ways!

Let's learn Together!

-Medha.

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