How Music Affects Disorders of the Brain

Effects of Music Therapy as an Alternative for Depression in Children and Adolescents with ADHD

For decades, music has played a vital role in helping individuals recover from various illnesses and disorders, including mental health issues and brain diseases that impact people of all ages and cultures. In a recent study, researchers explored the effectiveness of music therapy as a treatment option for depression in children and adolescents diagnosed with ADHD. Their approach focused on boosting serotonin levels and enhancing stress coping skills. The study involved 43 participants, divided into two groups: those with ADHD and a control group. Music therapy sessions were conducted twice a week for three months, lasting 50 minutes each time, totaling 24 sessions. The findings revealed that music therapy had positive neurophysiological and psychological effects on the participants with ADHD. This promising intervention highlights the potential for integrating music therapy into clinical practices, offering a new avenue for supporting children and adolescents facing these challenges.

How Music Can Reduce Stress

In 2022, a group of researchers from the Netherlands found that music can help reduce stress in individuals. Listening to music has the potential to be an effective tool for stress recovery in healthy people. However, a review of 17 experimental studies shows mixed results, indicating that music listening doesn’t consistently lower stress levels. Additionally, the impact of music on stress recovery can vary widely. Factors such as musical genre, whether the listener chose the music themselves, the tempo of the music, and the specific outcomes being measured all play a role in how effective music is for alleviating stress. Because of the varied results and the limited number of studies available, it’s difficult to draw firm conclusions about how listening to music affects short-term stress recovery in healthy individuals.

How Music Mnemonics Aid Verbal Memory and Induce Learning-Related Brain Plasticity in Multiple Sclerosis.

A team of researchers embarked on an exciting study to explore how music mnemonics can enhance verbal memory and promote learning-related brain plasticity in individuals with multiple sclerosis. This groundbreaking research was the first of its kind to investigate whether using musical patterns for verbal learning could not only boost memory but also trigger distinct changes in brain connectivity, as measured by oscillatory network synchronizations.

Recognizing the importance of sequencing in processing verbal information, the researchers focused specifically on whether music could improve memory for ordered word lists. The results were striking: participants who learned using music showed significantly better recall of words, especially in remembering the order of paired words, compared to those who learned through spoken instruction. This finding supports the idea that music enhances memory by organizing information into a rhythmic structure, allowing the brain to chunk unrelated items into cohesive units.

How Music Can Help Patients with PTSD

Music has shown promise as a supportive therapy for people with PTSD, especially those recovering from critical illnesses. A Canadian research team explored how music could help survivors of intensive care who experience post-traumatic stress symptoms. PTSD, which often arises in those who’ve undergone severe trauma or illness, can be highly debilitating. Unfortunately, there are limited treatment options specifically for those who develop PTSD after an ICU stay.

This study aimed to build a neurobiological foundation for understanding how music might aid PTSD recovery by examining the brain areas affected by the disorder. Through a critical review of existing research, the team found that PTSD symptoms are linked to a disrupted HPA (hypothalamic-pituitary-adrenal) axis feedback loop, overactive amygdala responses, atrophy in the hippocampus, and reduced activity in the prefrontal cortex—all areas related to stress response and emotional regulation.

Interestingly, music therapy can help “retrain” the brain. Playing or listening to music has been shown to encourage neurogenesis (the growth of new brain cells) and neuroplasticity (the brain’s ability to adapt), promote brain recovery, and help normalize stress responses. Although music interventions specifically for ICU survivors are still rare, this study suggests that music could be a valuable tool for reducing symptoms of PTSD by calming amygdala activity, supporting hippocampal and prefrontal functions, and restoring balance to the HPA axis.

How Music Therapy Symptomatically Aids Patients with Autism.

Music therapy has shown promising effects in reducing symptoms of autism, especially in enhancing emotional recognition. A German researcher explored why music therapy is particularly beneficial for people with autism. While previous studies have demonstrated its effectiveness, no model has fully explained the neurobiological and cognitive mechanisms driving these improvements. This study proposes that the key lies in how individuals with autism process pitch. Being able to perceive tonal pitch accurately is essential for recognizing emotions, such as happiness or sadness, through sound. Interestingly, the biological ability to encode pitch seems to be well-preserved in individuals with autism, even if they struggle with interpreting emotional cues in social settings. According to this model, pitch encoding through music may provide a way for people with autism to connect with emotional expressions, offering a unique path for emotional understanding outside of traditional social interactions.

Sources

1. Park, Jong-In et al. Effects of music therapy as an alternative treatment on depression in children and adolescents with ADHD by activating serotonin and improving stress coping ability. Research Square. 2022.

2. Adiaso, Krisna et al. Music listening and stress recovery in healthy individuals: A systematic review with meta-analysis of experimental studies. PLOS ONE. 2022.

3. Thaut, Michael et al. Music mnemonics aid verbal memory and induce learning-related brain plasticity in multiple sclerosis. Frontiers in Human Neuroscience 8;1-10. 2014.

4. Pant, Usha et al. A Neurobiological Framework for the Therapeutic Potential of Music and Sound Interventions for Post-Traumatic Stress Symptoms in Critical Illness Survivors. International Journal of Environmental Research and Public Health. 2022.

5. Kethrapal, Neha. Why does music therapy help in autism? Empirical Musicology Review; 4(1): 11-18. 2009.