top-news:-People with autism make more logical decisions

Decisions are based on the way choices are framed. This is because people use emotion when making decisions, leading to some options feeling more desirable than others. For example, when given £50, we are more likely to gamble the money if we stand to lose £30 than if we are going to keep £20.

people-with-autism-make-more-logical-decisions

Although both options are mathematically equivalent, the thought of losing money evokes a powerful emotional response and we are more likely to gamble to try to avoid losing money. This cognitive bias, first described by the psychologist Daniel Kahneman in the 1980s, is known as the “framing effect”. Despite this phenomenon being well documented, scientists are still trying to understand why our emotions have such a powerful influence on decision making.

My colleagues and I at King’s College London investigated how the perception of internal bodily sensations is related to emotion and how this may, in turn, be linked to how we make decisions. First, we gave a group of typical adults a gambling task to measure their susceptibility to the framing effect. They were later asked to close their eyes and count their heartbeats to measure how well they monitored internal sensations. Their emotional awareness was also measured using a questionnaire. We discovered that people who were good at monitoring their heartbeat – people who “followed their heart” – were most guided by emotion and particularly susceptible to the framing effect.

But what about people with poor emotional awareness and difficulties monitoring their heartbeat? Research has shown that these things are impaired in people with alexithymia, otherwise known as “emotional blindness”. As emotional blindness is more common in people with autism, we tested a group of adults diagnosed with this condition. Replicating previous research, people with autism showed a smaller framing effect. It was found that people with autism were able to monitor their heartbeat just as well as people without autism, but there was no relationship between how well they did this, or emotional awareness, and their susceptibility to the framing effect.

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