Brain Health | Neuroscience | Music & Emotions
Have you ever heard a song that instantly gave you goosebumps?
Maybe it reminded you of your first love, a childhood summer, or someone you haven’t seen in years.
Perhaps a familiar melody brought tears to your eyes, even though you couldn’t explain exactly why.
Music has an extraordinary ability to influence our emotions. A single song can make us feel happy, nostalgic, excited, comforted, or deeply moved.
But scientists have discovered that something remarkable may be happening inside our brains when we listen to music we love.
A 2025 neuroscience study found evidence that pleasurable music engages the brain’s natural opioid system — a chemical signaling network involved in pleasure, reward, and emotional experiences.
The findings offer new insight into why music can feel so powerful, even though it provides no obvious physical reward like food or water.
And they suggest that the pleasure of hearing a favorite song is more than just a figure of speech.
Your Brain Has Its Own Natural Feel-Good System
When people hear the word opioid, they often think of powerful prescription painkillers.
But the human body also produces its own opioid chemicals, including endorphins and enkephalins.
These natural substances interact with opioid receptors throughout the nervous system.
They help regulate several important functions, including pain perception, stress responses, and pleasurable experiences.
The brain’s opioid system is part of a much larger network that helps us respond to rewarding experiences.
For years, scientists have investigated how this system contributes to the pleasure we experience from activities such as eating, social interaction, and exercise.
Music, however, presents a fascinating scientific puzzle.
Unlike food, it doesn’t provide calories. Unlike water, it doesn’t satisfy thirst.
Yet a favorite song can create an intensely rewarding experience.
Researchers wanted to understand why.
The 2025 Study That Revealed a New Connection
A research team led by scientists at the University of Turku in Finland investigated how the brain’s opioid system responds to pleasurable music.
The researchers used advanced brain-imaging techniques to examine the relationship between music enjoyment and opioid receptor activity.
Their findings, published in the European Journal of Nuclear Medicine and Molecular Imaging, provided evidence that pleasurable music engages the brain’s opioid system.
This was an important development because previous studies had already connected musical pleasure to the brain’s dopamine-based reward circuitry.
The new research suggested that endogenous opioid signaling is also involved.
Together, these systems may help explain why music can produce such strong feelings of enjoyment.
How Scientists Looked Inside the Brain While People Listened to Music
To investigate what happens when people enjoy music, the researchers combined two sophisticated imaging techniques.
The first was positron emission tomography, commonly called PET.
PET imaging allows scientists to study chemical processes inside the brain using a radioactive tracer.
In this experiment, the researchers used a tracer that binds to mu-opioid receptors. Changes in tracer binding provided information about the brain’s opioid system during music listening.
The second technique was functional magnetic resonance imaging, or fMRI.
This allowed the team to examine changes in brain activity associated with the participants’ emotional responses to music.
Fifteen women participated in both PET and fMRI experiments, with another 15 women participating in the fMRI portion.
Participants listened to music they had personally selected because they found it pleasurable.
The researchers also asked participants to rate their enjoyment and report moments when the music gave them chills.
By combining brain imaging with these personal experiences, the scientists could investigate how subjective musical pleasure related to activity in the opioid system.
Springer Nature Link
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The Surprising Connection Between Music and Natural Opioids
The results showed that listening to pleasurable music altered opioid receptor availability in several brain regions.
These included areas involved in emotion and reward processing, such as the ventral striatum, amygdala, and orbitofrontal cortex.
One particularly interesting finding involved the nucleus accumbens, a region strongly associated with reward and motivation.
Researchers found a relationship between opioid receptor measurements in this area and the number of pleasurable chills participants experienced.
This provided evidence that the opioid system contributes to the powerful sensations people sometimes feel while listening to music.
The researchers interpreted their findings as showing that music influences endogenous opioid signaling.
However, the imaging results are more nuanced than simply measuring a sudden burst of endorphins. The study examined receptor binding and its relationship with pleasure, rather than directly measuring the concentration of every natural opioid chemical released.
Springer Nature Link
Why Certain Songs Give Us Goosebumps
Some songs produce an experience researchers call musical chills.
You might feel a shiver down your spine, notice goosebumps on your arms, or experience a sudden wave of emotion.
These reactions can happen during a dramatic chorus, an unexpected musical change, or a particularly meaningful lyric.
Scientists have long been interested in these moments because they provide a measurable connection between music and intense pleasure.
The 2025 study found that the frequency of pleasurable chills was associated with opioid receptor measurements in the nucleus accumbens.
This supports the idea that the brain’s opioid system participates in the experience of musical pleasure.
It also helps explain why two people can hear the same song but react very differently.
A melody that leaves one person unmoved might produce a powerful emotional response in someone else.
Musical preferences, personal associations, and differences in brain reward systems may all contribute.
Why Music Can Bring Back Memories From Decades Ago
Think about a song you loved when you were 16.
Perhaps you heard it at a school dance, on a road trip, or while spending time with someone important.
Years later, hearing the opening notes might bring back the atmosphere of that moment.
You may remember where you were, who was there, and how you felt.
This happens because music can act as a powerful cue for autobiographical memories.
Memory and emotion are closely connected, and familiar songs can help reactivate personal experiences.
The 2025 opioid study did not directly investigate nostalgia or long-term memory.
Nevertheless, its findings add to a broader scientific understanding of why music can feel emotionally rewarding.
For older adults, familiar songs may carry particularly rich personal associations accumulated over decades.
A favorite tune from the 1960s, 1970s, or 1980s can sometimes evoke a vivid sense of the past.
And the emotional impact may be just as meaningful as the memory itself.
Can Music Actually Help Relieve Pain?
Another intriguing implication of the research involves pain management.
The body’s endogenous opioid system plays a role in regulating pain perception.
Because the study found that pleasurable music influences this system, researchers believe it could help explain why music sometimes reduces perceived pain.
Professor Lauri Nummenmaa of the University of Turku highlighted this possible connection when discussing the findings.
Previous research has suggested that music-based interventions may help some patients cope with pain, anxiety, and discomfort during medical care.
However, the 2025 study did not demonstrate that listening to favorite songs reliably treats pain or replaces medication.
It investigated the brain mechanisms involved in musical pleasure.
Further clinical research is necessary to determine how these mechanisms might be used in pain management.
University of Turku
Does the Type of Music Matter?
One of the most interesting aspects of musical pleasure is how personal it can be.
Some people love classical music.
Others prefer country, rock, jazz, gospel, soul, or pop.
One person might experience chills while listening to a powerful orchestral performance.
Another might feel the same sensation when hearing an old country song that reminds them of childhood.
The University of Turku researchers used personally selected pleasurable music rather than assuming everyone would enjoy the same songs.
This helped them investigate responses to music that participants genuinely liked.
The study does not establish that any particular genre is best for activating the opioid system.
Instead, it reinforces the importance of individual musical enjoyment.
Why Music Can Make Us Feel Connected to Others
Music is rarely just an individual experience.
Families sing together during celebrations.
Friends bond over favorite artists.
Couples associate certain songs with important moments in their relationships.
Communities gather for concerts, religious services, and cultural events where music plays a central role.
These experiences can help people feel connected through shared attention, emotion, and memory.
Research into music and social bonding has explored several possible biological mechanisms, including reward-related signaling and synchronized behavior.
The 2025 study adds evidence that the opioid system is involved in musical pleasure, but it did not directly test whether music strengthens relationships or social bonding.
Those remain separate scientific questions.
Could Listening to Music Improve Mental Health?
Music is already used in various therapeutic settings.
Qualified music therapists may use structured musical activities to support emotional expression, communication, rehabilitation, and psychological well-being.
For many people, listening to familiar music is also an enjoyable way to relax or cope with everyday stress.
The new findings could eventually help researchers better understand why music-based interventions benefit some patients.
But there is an important distinction between finding that music activates a pleasure-related brain system and proving that it treats a mental health condition.
The 2025 study did not establish music as a cure for depression, anxiety, or other psychiatric disorders.
Researchers hope future studies will clarify whether opioid signaling contributes to the therapeutic effects of music.
University of Turku
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What Are the Study’s Limitations?
Although the research provides valuable insight, several limitations are worth understanding.
The brain-imaging experiments involved relatively small groups of participants.
The participants were women, so additional research would help establish how consistently the findings apply across sexes, ages, and broader populations.
The study also focused on pleasurable music selected by the participants.
It did not determine whether every song, genre, or listening situation produces the same biological response.
Finally, the researchers measured short-term brain responses rather than long-term changes in health.
The findings provide evidence about how musical pleasure works, not proof that listening to music produces lasting medical benefits.
What This Means for Your Favorite Songs
The most fascinating part of this research may be how it connects a familiar human experience to measurable activity inside the brain.
For generations, people have described music as uplifting, comforting, moving, or even healing.
Now, advanced imaging technology is helping scientists investigate the biological systems behind those feelings.
The University of Turku study suggests that the brain’s natural opioid system participates in the pleasure we experience when listening to music we love.
It also provides a possible explanation for the intense chills and emotional responses that certain songs can produce.
That doesn’t mean every favorite song triggers the same chemical reaction in every person.
And it doesn’t mean music should replace medical treatment.
But it does reinforce something music lovers have known intuitively for years:
A favorite song can be much more than entertainment. It can be a deeply rewarding emotional experience, shaped by the remarkable chemistry of the human brain.
So the next time an old favorite comes on the radio and you find yourself smiling, singing along, or getting goosebumps, remember that your brain may be responding in ways scientists are only beginning to understand.
And sometimes, all it takes is a familiar melody.
Sources
- Putkinen et al. — Pleasurable Music Activates Cerebral μ-Opioid Receptors: A Combined PET-fMRI Study, European Journal of Nuclear Medicine and Molecular Imaging (2025)
- University of Turku — Favourite Music Sets the Brain’s Opioids in Motion
- PubMed — Peer-Reviewed Study Abstract and Publication Details
Editorial note: This article describes peer-reviewed research published in April 2025. The findings concern opioid receptor activity associated with pleasurable music, not a proven medical treatment. Images are illustrative.
🎶 What’s ONE song that instantly brings back beautiful memories or gives you goosebumps? Share the song title and artist in the comments — let’s see how many unforgettable classics we can remember together! ❤️
