Topic 5: Decision Making and the Brain

Decisions, decision, we make decisions every day, some are small and not very important while others are some of the most important decisions you will ever make. For example decisions that will only effect your life for a day or two maybe, what should I have for breakfast? or should I go for a work out now, or later?. Some of the decisions that are more important and could effect your life for years would be, will you marry me? or will that job be the one for me?.

Scientist are still working on how the brain makes decisions, they are still unsure and it requires more research. Scientist have worked out that sights, sounds and smells enter the body and is registered by sensory circuits in the brain. Brain cells weigh out the information and the possible outcomes, the brain then chooses the best option-a decision is made.

There are a few different areas of the brain that we use to make decisions: the frontal lobe and the parietal lobe. The frontal lobe is used for planning and reasoning, while the parietal lobe process sensory information (sights, smells, sounds)

There have been many tests around decision making, scientists have studied and tested on people, monkeys, other animals, people who have a disability, stroke patients, people who have been in car crashes, illegal drug uses etc.In the brain the cells that help to make the decisions are called neurons. The brains system on making decisions depends on the derision that needs to be make.

What happens when we change our minds? when we change our minds the orbitofrontal cortex, which is just behind your eyes, realizes the mistake and changes our behaviour therefore changing the outcome of our decision.

” It is in your moments of decisions that your destiny is shaped”-Tony Robbins.


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