How does Brain make emotional decisons

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This image illustrates nerve fibers that originate in a part of the prefrontal cortex associated with emotion. The green shows the termination of fibers from a part of the prefrontal cortex in the striatum; the red depicts striosomes; and the yellow shows their overlap. The researchers found that the striatum — particularly the striosomes — may act as a gatekeeper that processes sensory and emotional information from the cortex to produce a decision on how to react.

(This picture represents nerve connections, Source: MIT researchers)

Did you ever consider your choices when they had both positive and negative outcomes??
We all have to make choices in our life where our options have both sweetness and spice. It's like working in a city far from your family or you still can choose to live with your family at less salary.
Our brain is made up of many neural circuits that help in decision making.

MIT researchers have identified the neural circuit which is the reason behind such choices and are hoping that their analysis will help in treating psychiatric disorders.Researchers believe that psychiatric disorders which include decision making, depression, and schizophrenia can be treated.

The Research


In order to know more about the findings, the researchers created a maze for rodents.Rodents would have to choose to have the chocolate they like but it had high lighting effect while other side had a weak chocolate with dim light.
The researchers also tested with rats in 4 other scenarios where the decision was being made with less anxiety and fraught.

The findings suggest that striatum(A part of the brain which controls voluntary movements) and striosomes(Cell compartment within striatum) may absorb the sensory and emotional information from cortex and then integrate them to produce decisions like how to react and so on.This behaves like a gatekeeper circuit.This circuit appears to be a part of the midbrain called substantia nigra which releases dopamine-containing cells.These are the reason behind motivation and movement.


The Climax

In addition, to solve the anxiety disorders the researchers are also trying to figure out a way to understand the role of dopamine-containing cells in striatum which plays a role in Parkinson's disease and other related disorders.


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