Imagine this. You are walking down a busy street on your way to work. You pass a busker playing a song you haven’t heard in years. Now suddenly, instead of noticing all the goings on in the city around you, you’re mentally reliving the first time you heard the song. Hearing that piece of music takes you right back to where you were, who you were with and the feelings associated with that memory.

This experience – when music brings back memories of events, people and places from our past – is known as a music-evoked autobiographical memory. And it’s a common experience.

It often occurs as an involuntary memory. That is, we make no effort to try to recall such memories, they just come to mind spontaneously.
Research has recently begun to uncover why music appears to be such a good cue for invoking memories. First, music tends to accompany many distinctive life events, such as proms, graduations, weddings and funerals, so it can play an important role in reconnecting us with these self-defining moments.

Music also often captures our attention, due to the way it affects our minds, bodies and emotions. When music draws our attention, this increases the likelihood that it will be encoded in memory together with details of a life event. And this then means it is able to serve as an effective cue for remembering this event year later.

Positive memories

Researches found that the emotional nature of a piece of music is an important factor in how it serves as a memory cue. They compared music with other emotional memory cues that had been rated by a large group of participants as conveying the same emotional expression as the music excerpts we used.

This included comparing music with “emotional sounds”, such as nature and factory noises and “emotional words”, such as “money” and “tornado”. When compared with these emotionally matched cues, the music didn’t elicit any more memories than the words. But what the researchers did find was that music evoked more consistently positive memories than other emotional sounds and words.

This was especially the case for negative emotional stimuli. Specifically, sad and angry music evoked more positive memories than sad and angry sounds or words. It seems then that music appears to have the ability to reconnect humans with emotionally positive moments from their pasts. This suggests that using music therapeutically may be particularly fruitful.

How and when

The familiarity of a piece of music also, perhaps unsurprisingly, plays a role. In another recent study, the researchers found that more familiar music evokes more memories and brings memories to mind more spontaneously. So part of the reason music may be a more effective cue for memories than, for instance, our favourite film or favourite book, is that we typically reengage with songs more often over our lifetimes compared to films, books or TV shows.

The situations when people listen to music may also play a role. Previous research shows that involuntary memories are more likely to come back during activities where our mind is free to wander to thoughts about our past. These activities tend to be non-demanding in terms of our attention and include things like commuting, travelling, housework and relaxing.
These types of activities align almost perfectly with those recorded in another study where researchers asked participants to keep a diary and note when music evoked a memory, along with what they were doing at the time it happened.

The researchers found that daily activities that often go hand in hand with listening to music – such as travelling, doing chores or going for a run – tend to lead to more involuntary memories in the first place.

This contrasts with other hobbies, such as watching TV, which can require our mind to be more focused on the activity at hand and so less likely to wander to scenarios from our past. It seems then that music is not only good at evoking memories but also the times when we are more likely to listen to music are the times when our minds may naturally be more likely to wander anyway.

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Music is also present during many life events that are distinctive, emotional or self-defining – and these types of memories tend to be more easily recalled. Indeed, the power of music to connect us with our past shows how music, memories and emotions are all linked – and it seems certain songs can act as a direct line to our younger selves.

(Source- PTI)