BOOZE ON THE BRAIN MRI scans reveal the REAL reason why you get aggressive after just two vodka lemo
BRAIN scans have revealed the real reason why two vodka lemonades can make you more aggressive. Scientists in Australia were carrying out MRI scans on volunteers to try to learn more about the strong correlation between booze and aggressive behaviour. Researchers gave a group of 50 healthy young men two drinks containing vodka, lemonade and tonic waters. Some of the men were given placebo drinks without alcohol but were not aware they were not drinking. Brain scans on drinking participants showed a marked difference between the two groups in the area of the brain that controls aggression, the prefrontal cortex. In those who had drank the two vodka mixers, their prefrontal cortex was shown to be dampened, while those drinking the placebo remained unchanged. The results, published in the Cognitive, Affective & Behavioural Neuroscience journal, state that the prefrontal cortex “puts the brakes” on aggressive behaviour. This means alcohol reduces your brain’s ability to stop the behaviour that can fuel aggression. Heavy alcohol consumption is known to play a part in between 35 per cent and 60 per cent of crimes, the University of New South Wales study noted. The men were also provoked once inside the MRI scanner by being told they would be competing in a competitive time-sensitive task. Scientist Dr Thomas Denson, who was leading the study, commented: “These regions may support different behaviours, such as peace versus aggression, depending on whether a person is sober or intoxicated.” Dr Denson said such studies “could eventually substantially reduce alcohol-related harm’ by offering a curb to the effect of booze”. The study concluded: “Among intoxicated participants, but not among sober participants, aggressive behavior was positively correlated with activation in the medial and dorsolateral prefrontal cortex. The study concludes that further “larger-scale investigations” could “eventually substantially reduce alcohol-related harm”. We pay for your stories! Do you have a story for The Sun Online news team? Email us at firstname.lastname@example.org or call 0207 782 4368 . We pay for videos too. Click here to upload yours.
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