Study says caffeine can enhance the ability in recognizing words

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The new study by German researchers has revealed that caffeine can increase the persons ability and the speed in recognizing words with a positive conn...

The new study by German researchers has revealed that caffeine can increase the person’s ability and the speed in recognizing words with a positive connotation.

The study also said the stimulant had no effect on recognizing words with negative or neutral connotations like table or wall. Earlier studies have shown that a normal dose of caffeine increases the performance on straightforward cognitive tasks and behavioral responses.

Some other studies have shown that some memories are enhanced when the strong emotions are associated with specific trigger objects. There has been no clinical link between caffeinated performance and the emotional triggers.

To examine the link, the researchers recruited around 66 people in the age group of 19 and 32 years old. Then, each participant was either given 200 mg of caffeine or a placebo or then seated in front of the LCD monitor where they were presented with uppercase letter strings for 150 microseconds at a time.

These participants were then given instructions to decide quickly and accurately if the presented letter string was a German word or not. The results showed that these participants who were given the caffeine were able to process the positive words more quickly and accurately.

Scientists said, “Caffeine is a psychoactive substance that in low doses blocks the inhibitory adenosine receptors in the brain and also the functioning as an adenosine antagonist.” Studies conducted earlier have shown that too much caffeine can lead to sleep issues, high blood pressure and addiction. Some studies have also shown the benefit to moderate caffeine intake.

Besides, few other studies have found that drinking coffee may lessen the risk of developing prostate cancer. In this study, about 50,000 men, those who drank coffee the most were found to have 60% lower risk than those who did not.  

Another study conducted in 2007, has shown that coffee drinkers might even reduce their chances of dying from a heart disease.

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