Research

The science

For the brave of heart and mind, we are working on building a library of the current evidence for and against the efficacy of sound technologies.

The library at a glance · 17 studies
not yet graded 17
17 of 17 studies
2020
ResearchBinaural beats

Effects of binaural beats and isochronic tones on brain wave modulation: Literature review

This study systematically reviewed literature on the effects of binaural beats and isochronic tones on brain wave modulation and their potential therapeutic implications. A literature review is a…

Not yet graded
2018
ResearchAlpha

Alpha Stimulation for Stress Reduction: Cortisol Levels Evidence

Zhang and colleagues

In a 2018 study by Zhang, the effects of alpha brainwave stimulation on cortisol levels were explored. The study was based on the premise that alpha brainwave stimulation has been linked to a…

Not yet graded
2018
ResearchBeta

Beta-Frequency Brainwave Entrainment and Decision-Making

Wang

The 2018 study by Wang delves into the effects of beta-frequency brainwave entrainment on decision-making processes. Beta-frequency brainwave entrainment involves aligning the brain’s electrical…

Not yet graded
2017
Research

The Associations Between Pain-Related Beliefs, Pain Intensity, and Patient Functioning: Hypnotizability as a Moderator

This study investigated the moderating effect of hypnotizability on the association between pain-related beliefs and the intensity and impact of pain in individuals with chronic pain. The findings…

Not yet graded
2016
ResearchAlpha

Alpha Entrainment for Stress Reduction

Liu and colleagues

The 2016 study by Liu focuses on the impact of alpha-frequency brainwave entrainment on stress reduction. Alpha-frequency brainwave entrainment involves synchronizing the brain’s electrical activity…

Not yet graded
2016
ResearchGamma

Gamma-Frequency Entrainment and Problem-Solving

Karino and colleagues

Karino's 2016 study explores the impact of gamma-frequency brainwave entrainment on problem-solving abilities. Gamma-frequency brainwave entrainment is a procedure that involves synchronizing the brain's electrical activity with a specific rhythm or frequency, specifically, the gamma frequency. The gamma frequency is associated with higher mental activity, including perception, problem-solving, and consciousness.

Not yet graded
2014
ResearchAlpha

Alpha-Frequency Brainwave Entrainment and Attentional Control

Gao

The 2014 study by Gao focuses on the impact of alpha-frequency brainwave entrainment on attentional control. Alpha-frequency brainwave entrainment involves synchronizing the brain's electrical activity with a specific rhythm or frequency, in this case, the alpha frequency.

Not yet graded
2014
ResearchTheta

Exploring Theta-Frequency Effects

Huang and colleagues

Brainwave entrainment (BWE), which uses rhythmic stimuli to alter brainwave frequency and thus brain states, has been investigated and used since the late 1800s, yet many clinicians and scientists are unaware of its existence. We aim to raise awareness and discuss its potential by presenting a systematic review of the literature from peer-reviewed journals on the psychological effects of BWE...

Not yet graded
2013
ResearchDelta

Delta-Frequency Brainwave Entrainment and Working Memory

Reiner

Cognitive and brain augmentation for enhanced human intrinsic skills, beyond the familiar boundaries, has inspired the imagination for many centuries. With the recent emergence of new knowledge on the interplay between perception, reasoning and physiology, and the novel cognitive technologies such as virtual/augmented reality, cognitive enhancement has become the focus of intensive research.

Not yet graded
2013
ResearchTheta

Theta Entrainment for Headache Treatment: Reduced Migraine Frequency and Severity

Holroyd and colleagues

Holroyd’s 2013 study investigated the impact of theta brainwave entrainment on migraine treatment. Theta waves are associated with relaxation and creativity and the study aimed to determine if…

Not yet graded
2009
ResearchBeta

Beta Entrainment for Mood Improvement and Increased Focus

Gruzelier

In 2009, Gruzelier conducted a study to examine the effects of beta brainwave entrainment on mood improvement. Beta brainwaves are associated with alertness and concentration, and the study aimed to…

Not yet graded
2008
ResearchTheta

Alpha and Theta Entrainment for Reduced Hyperactivity and Improved Focus in Children with ADHD

Thompson and Thompson

In a 2008 study by Thompson and Thompson, the effects of alpha-theta brainwave entrainment on ADHD were investigated. Alpha brainwaves are associated with relaxation and calmness, while theta…

Not yet graded
2007
ResearchDelta

Delta Entrainment for Pain Management: Reduced Pain Intensity and Improved Mood

Jensen and colleagues

In 2007, Jensen conducted a study to investigate the effects of delta brainwave entrainment on chronic pain. Delta brainwaves are associated with deep sleep and healing, and the study aimed to…

Not yet graded
2007
ResearchTheta

Alpha and Theta Entrainment for Pain Reduction in Fibromyalgia

Wahbeh and colleagues

In a 2007 study by Wahbeh, the effects of alpha-theta brainwave entrainment on fibromyalgia were investigated. Fibromyalgia is a chronic condition characterized by widespread pain and fatigue, and…

Not yet graded
2006
Research

Memory Improvement

Jausovec and colleagues

Memory Improvement – a study conducted by Jausovec and colleagues (2006) The study conducted by Jausovec in 2006 examined the effects of alpha-frequency brainwave entrainment on memory. Brainwave…

Not yet graded
2002
ResearchTheta

Theta Entrainment for Mitigating Behavioral Problems in Children with ADHD

Monastra and colleagues

Monastra’s 2002 study investigated the effects of theta brainwave entrainment on attention deficit hyperactivity disorder (ADHD). Theta brainwaves are associated with relaxation and creativity, and…

Not yet graded
1973
ResearchAlpha

Alpha Entrainment for Anxiety Reduction in Generalized Anxiety Disorder

Oster

In a 1973 study by Oster, the effects of alpha brainwave entrainment on anxiety reduction were explored. Alpha brainwaves are associated with relaxation and calmness, and the study aimed to determine…

Not yet graded