The study, led by Danielle Sacchinelli, found that children and adults alike depend more on their right ear for processing and remembering what they hear. An experiment saw listeners fed different auditory inputs simultaneously, either retaining the information in one ear and discarding the words in the other, or being asked to recount both pieces of information. The research showed that children in particular remember what is being said far better when they listen with the right ear. Sounds which enter the right ear are processed by the left hand side of the brain – the section controlling language, speech and memory.
This dynamic does translate into adulthood, but in a less clear-cut manner. By way of investigation, Sacchinelli’s team asked 41 participants (19-48 years of age) to complete both of the aforementioned tasks. Whilst there were no discernible difference between individuals’ left and right ear performance at or below said individual’s memory capacity, once the number of items listed surpassed an individual’s memory span, their performance improved by an average of 8%when they focused on their right ear.