Emotional Resonance

Ali Mostoufi
11 min readJul 20, 2023

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It is a wondrous thing to observe, seeing a child respond to music with spontaneous dance motions. It’s like watching the magic unfold as the music meets their senses. It certainly cannot be attributed to an infant being a fan of Justin Bieber from birth, nor can past life experiences be credited for their instinctive reaction to sound.

Even from infancy, with a fresh slate for new experiences, the child finds the rhythms and translates them into motions, as if guided by unseen energy at their joints. The precision is too elaborate to be a random coincidence. I believe it originates from our deep-rooted association with the emotions evoked when we listen to sounds that move us.

What we understand about life is that everything originates from waveforms. From the invisible rays to the tangible solids we see, which are, in reality, in a constant state of motion. The existence of all things can be traced back to these fundamental wave patterns.

Given this phenomenon, we could hypothesize that our existence functions like a receiver, translating the signals it receives into what we perceive as reality and information that shapes our world.

Whether we fully comprehend the direct influence and the meanings of these received signals is an entirely different question. The realization of the unknown is vast, but with the aid of advanced technology, we are now beginning to decipher not only the waves we receive but also their implications, gradually unraveling the mysteries that have long perplexed us.

Sound is particularly a potent signal as it is directly tied to our emotions. Most humans can perceive frequencies between 20 Hz to 20,000 Hz. This range, known as the ‘audible frequency range,’ obviously varies depending on an individual’s physiology and age. For instance, as we age, our ability to hear high frequencies typically diminishes.

Sound indeed is a transformation of energy. When a drumstick strikes the drum, it imparts focused energy to the drum skin, which then resonates at a specific frequency. This frequency, along with other characteristics like amplitude and duration, determines the note, pitch, volume, and timbre of the sound.

This vibrational energy is then released into the air as a pressure wave. Sound travels in air as longitudinal waves, with regions of compression and rarefaction. The speed of sound in dry air at 20 degrees Celsius is approximately 343 meters per second, though this speed can vary with changes in temperature and pressure.

When this sound wave reaches our ears, it interacts with our eardrums — thin, membrane-like structures that readily vibrate in response to the pressure waves. This vibration is analogous to the original vibration of the drum skin.

The vibrations of the eardrum are then transmitted to the three tiny bones in the middle ear: the malleus, incus, and stapes, often referred to as the hammer, anvil, and stirrup. These bones amplify the vibrations and transmit them to the cochlea in the inner ear. The cochlea is filled with fluid and lined with thousands of tiny hair cells. The vibrations cause the fluid to ripple, moving the hair cells. As the hair cells move, they generate electrical signals.

These electrical signals are then transmitted via the auditory nerve to the auditory cortex in the brain. Here, these signals are interpreted as different sounds. The brain uses the information from both ears to determine the direction of the sound and processes the attributes of the sound, such as its pitch and volume, leading to our perception of the sound.

In essence, the sensation of hearing is a complex process that involves the conversion of vibrational energy into electrical signals, which our brain then interprets as sound.

What we’ve just examined exemplifies how energy is transformed and comprehended by our extraordinary brain. The brain, largely composed of proteins and fats, operates through an intricate ballet of electrical and chemical signals.

Neurons, the core units of the brain and nervous system, convey information using electrical signals. These signals are generated by differences in electric potential carried by ions on the membrane of each neuron. When a neuron receives a signal, it generates an action potential — an electrical charge that travels down the neuron’s axon.

The brain is an intricately connected network of these neurons, with various regions each specialized for certain types of information processing. This network allows for the integration of sensory inputs, memory storage and retrieval, logic, understanding, and the elicitation of emotional responses.

During a conversation with my radiologist friend Petra, I learned how technologies like magnetic resonance imaging (MRI) enable us to visualize the brain’s activity and identify the specific areas engaged when processing various types of information. Different regions light up on the MRI scan, indicating increased blood flow and neural activity in response to different stimuli. Certainly, the process of listening to music and transforming it into feelings and memories involves several regions of the brain.

When we hear the sound, the first step in processing it happens in the auditory cortex, which is located in the temporal lobes. This region is primarily responsible for decoding sounds based on their pitch and volume. But the processing of music is not confined to the auditory cortex.

The prefrontal cortex, which is involved in decision-making, personality expression, and moderating social behavior, is also known to play a significant role in processing music. This part of the brain helps us to differentiate between different melodies and rhythms.

The amygdala, which is a central hub for processing emotions, also becomes active. The amygdala’s activation can explain why certain sounds, songs or melodies can evoke strong emotional reactions.

Moreover, the hippocampus, which is crucial for memory formation, is often engaged when we listen to music. This is why certain songs can trigger powerful and vivid memories.

The cerebellum, which coordinates and regulates muscular activity, may also light up during music listening, especially if the music draws us to dance or move in some way.

Additionally, Broca’s and Wernicke’s areas, which are primarily responsible for producing and understanding language, are also involved in the process. Interestingly, music and language share some common processing systems, hence why lyrics can be so integral to songs and why we often ‘feel’ the meaning in instrumental music even when no words are involved.

So, when a melody is played, it’s not just heard; it’s experienced in a rich, multi-dimensional way that involves many areas of the brain working together. This network of brain regions transforms simple sound waves into an emotionally charged, cognitively rich experience, one that can bring pleasure, evoke memories, and even move us to tears. However, the mysteries of this intricate process still hold many secrets to be discovered. There are numerous avenues to expand our understanding beyond what we currently perceive. The promising aspect is that technology continues to evolve and surprise us, offering unprecedented tools for exploration and discovery.

What is known today is that certain music and frequencies can have a soothing and calming effect on our senses. These sound waves, once perceived by our auditory system, can stimulate responses leading to overall positive effects on our well-being.

For instance, sounds within the frequency range of approximately 1–30 Hertz (Hz), specifically delta and theta brainwave frequencies, are often linked to states of relaxation and deep sleep. Particularly, frequencies around 12 Hz (alpha waves) are associated with a relaxed yet alert state of consciousness.

The “Schumann resonance,” a frequency averaging around 7.83 Hz, is also noteworthy. This frequency mirrors the average frequency of the Earth’s electromagnetic field and falls within the range of alpha waves. Some research suggests that exposure to this frequency can induce calming effects, although further scientific exploration is needed to validate its influence.

‘Binaural beats’ represent another sound-based relaxation technique, which relies on the presentation of different frequencies to each ear. This process encourages the brain to align or ‘entrain’ with a frequency associated with relaxation or focus.

Natural sounds, such as the patter of rain, the crash of ocean waves, or the chirping of birds, also tend to invoke relaxation. Although these sounds span a broad frequency range, they are distinguished by their irregular yet somewhat predictable rhythmic patterns, potentially reflecting our internal biological rhythms.

Music and sound therapy often employ these principles, using specific sound frequencies to promote relaxation, concentration, or other desired mental states. However, it’s essential to acknowledge that the impact of these frequencies can vary among individuals, contingent on their unique physiological and psychological conditions. This article examines the neurological impact of the esteemed musical group Pink Floyd.

Other than (MRI), another method to gain insight into our mental states is by collecting electroencephalogram (EEG) readings. EEG captures the electrical activity of the brain and reveals brainwaves that correspond to different emotions and mental states. These brainwaves are characterized by specific frequencies. Here are the main types of brainwaves and their frequency ranges:

1. Delta Waves (0.5–4 Hz): These slowest brainwaves are often observed during deep sleep or states of unconsciousness.

2. Theta Waves (4–8 Hz): Theta waves are present during deep relaxation, meditation, and light sleep. They are also associated with creative and insightful thinking.

3. Alpha Waves (8–12 Hz): Alpha waves are present when we are awake but in a relaxed state. They are commonly associated with a calm and focused mind.

4. Beta Waves (12–30 Hz): Beta waves are dominant when we are awake, alert, and engaged in cognitive tasks. They are further divided into low-beta (12–15 Hz) and high-beta (15–30 Hz).

5. Gamma Waves (30–100 Hz): Gamma waves are the fastest brainwaves and are associated with heightened perception, learning, and problem-solving.

Here is where the excitement begins. By comprehending the intricacies of the brain and understanding the state of our emotions, it becomes possible to introduce specific stimuli that can influence and guide us towards desired emotional states. In other words, we can combine the reading of EEG data with procedurally generated sounds that resonate with us, leading us toward the intended emotional state. This concept opens up intriguing possibilities for leveraging sound and technology to facilitate emotional well-being and create personalized experiences.

To date, a significant challenge has been the inability to perform real-time brain signal monitoring while on the go, as well as the limited availability of high-quality sound devices capable of delivering precise frequencies to reshape our emotions. However, this landscape has transformed with the advent of innovative technologies that combine these capabilities seamlessly. One notable example is the enophone, a cutting-edge device that allows for portable and real-time monitoring of brain signals paired with an exceptional sound delivery system. This integration of real-time brain monitoring and high-fidelity sound reproduction holds tremendous potential for reshaping our emotions by precisely modulating the frequencies that affect our mental states. It opens up new frontiers for personalized and immersive experiences that promote emotional well-being and personal growth.

Until the introduction of enophone, our understanding of brain activity has primarily relied on observing the effects of certain actions or experiences. While self-reflection and post-processing of our feelings provide some insights, being able to observe this data in a tangible, visible form holds immense value. This mirrors the transformative capabilities of devices like the Apple Watch, which provide us with detailed breakdowns of our daily physical activities, such as heart rate, steps taken, and sleep patterns. However, when it comes to understanding our brain, there has been a significant knowledge gap due to the lack of accessible and portable EEG devices capable of monitoring and capturing brain activity in our everyday lives.

enophone
Designed for comfort and unrivaled sound quality, enophone is an extraordinary wireless headset that redefines your audio experience. With its advanced noise cancellation system, immerse yourself in a world of flawless sounds. Enophone empowers you to effortlessly align your mind with your desired mood using real-time EEG signals that reflect your brainwave activity.

Although data has been collected in controlled environments, we have limited information about what truly transpires in our minds throughout our daily experiences. This is set to change as advancements in technology offer the potential for a new era of understanding. With the availability of this device, we can anticipate a shift toward a more comprehensive comprehension of our brain’s inner workings. Portable EEG and sound device enables us to monitor and capture brain patterns seamlessly as we go about our normal routines. This exciting development holds promise for unlocking valuable insights into our cognitive processes, emotions, and overall mental well-being, ultimately expanding our knowledge of the complexities of our own minds.

In this new world, we have the knowledge and tools to effectively guide ourselves into our desired emotional states. This advancement opens up numerous potential use cases, one of which can be seen in the realm of athletes. Imagine how athletes can utilize music to prime themselves before a competitive performance. In those crucial moments, psychic energy and mindset become paramount, and despite extensive prior training and practice, even the slightest distraction or emotional misalignment can potentially lead to unfavorable outcomes. By harnessing the power of tailored soundscapes and precise frequency manipulation, athletes can cultivate the ideal mental state for peak performance, optimizing their focus, motivation, and overall emotional alignment. This integration of music and emotional regulation holds tremendous potential in enhancing athletic performance and unlocking new levels of achievement.

The same level of remedy can be applied to various other emotional conditions, extending beyond athletic performance. These techniques can be utilized for stress management, enhancing focus, inducing a state of flow and creativity, as well as promoting relaxation and better sleep. By leveraging tailored soundscapes and targeted frequency modulation, we can effectively regulate and optimize our emotional states in different contexts. Whether it’s using sound to reduce stress and promote calmness or creating an immersive environment that fosters concentration and creative thinking, these advancements have the potential to positively impact various aspects of our lives. The ability to fine-tune our emotions through sound opens up exciting possibilities for improving well-being and achieving desired mental states in a range of situations.

In our lifetime, it is not a single action or solution that brings about transformation. It is our constant endeavor to challenge ourselves and strive for a more fulfilling existence. The true essence of happiness resides within each of us, waiting to be uncovered. While some may be closer to realizing it, the path to self-improvement requires dedicated effort and continuous growth.

Throughout the ages, humanity has sought various tools and practices to unlock our inner potential. Yoga, meditation, dance, good sleep, and a healthy diet have long been recognized as effective means to enhance our well-being and nurture our true selves. These time-tested practices serve as pillars for personal growth.

Yet, this current era offers us even greater opportunities for self-discovery. Advancements in technology enable us to measure and explore our unique selves in ways never before possible. We can now study the reflexes generated by our command center, the brain, and gain insights into our emotions and individual differences. It is a time to pay closer attention to the significance of our emotions and understand how they manifest uniquely within each person.

We are fortunate to be alive in this era, as it is only the beginning of a remarkable path ahead. With ongoing progress and our expanding knowledge of the human mind and emotions, we are presented with infinite possibilities for personal growth and self-realization. Embrace this time of discovery and transformation, for within it lies the potential to unlock the depths of our being and lead a truly prosperous life.

As we part ways, let us carry with us the final words from Plato: “Music gives a soul to the universe, wings to the mind, flight to the imagination, and life to everything.” These words resonate with the profound impact of sound, stirring our souls, expanding our minds, igniting our imaginations, and infusing life into every aspect of our existence. As we propel forward, let us remember the transformative power of sound waves and the boundless possibilities it holds for our emotions, our experiences, and our connection to the world around us. May we embrace this knowledge, and may it guide us toward a future filled with harmony, understanding, and the continuous exploration of our own inner depths.

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Ali Mostoufi

Classical music, food, wine, travel, painting, reading, writing, photography, philosophy, technology, product design, research & optimism.