Though, the causes of this effects are not fully understood but the prime explanation is that alcohol blocks the learning of new information due to which, the brain has more resources available to lay down other recently learned information into long-term memory. The participants included 31 men and 54 women between the ages of 18 and 53.
The university enlisted the help of 88 self-identified "social drinkers" to complete a word-learning task before heading to the pub. One group was encouraged to drink as much as they liked, the other was told not to drink at all.
If you've ever blamed your failing memory on your G&T habit, you may be talking absolute nonsense if recent research is anything to go by. They were asked to drink as much as they wished to or none at all. All participants learned information in their own homes (away from the clinical environment of the lab) before half the group embarked on a night of drinking - consuming an average of four units of alcohol. The theory states that the hippocampus, which is the most important area of the brain that is related to memory, transfers from short into longer-term memory by switching to "consolidating" memories.
It's nearly as if they're saying getting drunk is good as, better still, those who drunk the most also remembered the most.
The researchers noted that while this finding had been displayed anecdotally in the past, it hadn't been tested under laboratory conditions.
The researchers of the study want to stress this finite positive effect of alcohol and say that this should be taken into consideration along with the deep-rooted negative effects of the excessive alcohol consumption on memory, as well as mental and physical health.
There was also a second task which involved looking at images on a screen.