Listening to music too high impairs children’s learning
– It can cause deficits in memory and long-term care.
-In minors, a single exposure to a loud sound is more harmful than prolonged exposure.
Music or loud noises during the growth phase may end up affecting memory or learning mechanisms according to mouse research conducted by scientists at the Center for Pharmacological and Botany Studies at the University of Buenos Aires in Argentina.
Strong sounds can cause auditory, cardiovascular and endocrine abnormalities, as well as stress and irritability, but it is the first time that morphological changes in the brain are detected. According to the study’s authors, the noise levels at which young people are exposed in discos or listening to loud music through the headphones could cause memory deficits and long-term care.
To reach these conclusions, a series of rodents between 15 and 30 days old were observed, performing an age equivalence with boys between 6 and 22 years old, and exposed to 95-97 decibels (dB) , Higher than what is considered a safe level that is between 70 and 80 dB, but below what was achieved in a concert of music, which would be in the 110 dB.
After two hours of exposure the mice suffered cell damage in the brain showing alterations in the hippocampus, a region associated with memory and learning processes, suggesting that the same could happen in developing humans, something that , However, is difficult to verify since children can not be exposed to this type of experiments.
In addition, it has also been found that in the case of minors a single exposure to a loud sound may be more harmful than prolonged exposure, something scientists attribute to neuronal plasticity during the developmental years, when the nervous system.
In the experiment we worked with two groups of rats, one exposed to two hours of noise and one that received the same stimulus once a day for two weeks. After 15 days the rats that had undergone a single exposure at the beginning of the experiment showed more evident signs of damage.
The authors of the study, published in the journal Brain Research, consider that it is possible that before a longer stimulus the brain has time to repair their injuries, but they do not draw conclusions because the research used a white noise containing all The sound frequencies and would be equivalent to the noise of a poorly tuned TV, while the music heard by many young people contains only a few frequencies and it is not yet known what exactly causes the damage.