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La música: la caja de recuerdos de Pandora

Less debatable than Albert Einstein's theory of relativity, time travel through music has actually been proven. Anyone you ask has likely already experienced it: listening to an old tune that is dear to us, we find ourselves all at once overwhelmed by memories. If it is linked to a precise moment, be it happy, sad or innocuous, it's all in the context of the moment, the faces, the places, sounds and smells that come back to us in memory. A generic cartoon will recreate in our imagination the disposition of furniture from your parents' house, the smell of stew simmering in the kitchen, your sister's rattling voice that kept you from listening to your favorite song and so on.

How can a simple melody have such a trigger effect on our memory, as if a button were pushed and transported us years or even decades back, reconstructing a mental image of the past?

Reminiscence bump

The phenomenon of music time travel is particularly evident with regard to music heard during our childhood and adolescence. Music psychologists and scientists Carol Krumhansl and Justin Zupnick identified this phenomenon in 2013 as the "reminiscence bump:" listening to a melody, whether you personally like it or not, generates a more immediate effect when linked to our early years more than for any other. According to Krumhansl, "Music transmitted from generation to generation shapes autobiographical memories, preferences, and emotional responses, a phenomenon we call cascading ‘reminiscence bumps.’”

How can such a phenomenon be explained?

The researcher and neuropsychologist Hervé Platel explained that: "We can obviously feel an intense pleasure listening to something new." But the neuropsychologist Robert Zatorre, in Montreal, has shown this in neuroimaging: even when you hear something new, your brain is actually doing an associative calculation in terms of what it knows: 'What does this song make me think of? ... Ah yes, it reminds me of this one song…. We're always trying to analyze this new information in light of past experiences. You're never completely starting fresh, even if you are listening to new music." Our brain is like a nostalgic registry, constantly looking to the past to search for musical or contextual references.

Healing purposes

Such an influence on the neurological system has led scientists to consider possible medical usage. If music is able to to establish a lasting place in our memory, can music have the ability to reactivate certain sleeping cognitive abilities caused by degenerative diseases such as Alzheimer's? Everything points to yes since studies have shown that patients are able to hum melodies heard in their youth even when they were unable to remember their first name. Similarly, people who have suffered a stroke were also able to identify certain musics despite being struck with aphasia (inability to speak).

Effects on the brain

The explanation may come from the path taken by music to nestle in the depths of our brain. After music goes through our ear canal, it takes less than a 250 thousandth of a second for this information to be treated by our brains. And just like a Christmas tree that lights up, your cranial box activates the parts related to emotions (the desire to cry or jump with joy), motor skills (the desire to dance), language (the desire to to sing) and of course, memory. And if on top of that, we hear a tune that we like, it is like the cherry on top, as our brain releases dopamine, the pleasure hormone.

Above all, music, as information, is processed by the brain automatically and stored in our "implicit" memory. That's why information related to a particular music remains accessible to a patient of Alzheimer's disease even though certain functions, such as speech, can no longer be activated.

And then contrary to popular belief that a brain can only be split into two parts (one that manages the mathematical part and the other the artistic), the two hemispheres of the brain are both used when listening to music. The area on the left, linked to language, is used as much as the other side that is linked to perceptual analysis. So, if the first is damaged, the other remains active, which goes further to explain the case of patients mentioned above.

Do musicians have a better brain?

Let's flatter our egos just a bit: as a musician, do we have a brain that's activated more frequently and thus better? According to French researcher Emmanuel Bigand, "The repetition of musical stimuli helps to promote the exchange of information between the two hemispheres and to increase the number of neurons that ensures this communication, which has the effect of modifying the structure of the brain. As for musicians, these changes result in visible differences, on the anatomical example: a higher density of the corpus callosum (fiber network which connect the two hemispheres) compared to non-musicians.” So you know what you have to do, start listening and playing!


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1 comentario
  • Hace 5 años
      Yo no no soy cantante, pues parece que estás pistas de Laraoke solo están destinadas a los cantantes y no a los músicos pues también en la música existen instrumentos solistas que necesitan orquesta. La ventaja de estas pistas es poder ajustar hasta 2 semitonos más arriba o abajo para poder sintonizar tu instrumento diatonico o cromático y el resultado es espectacular por lo tanto a mi no me interesa la letra solo me interesa la música cantante. Mi repertorio consta ya de 100 temas con Armónica