The Science of Cognitive Performance

The brain is the most complex organ in the human body, containing one hundred billion nerve cells called neurons. When millions of neurons communicate at once, they produce synchronized electrical patterns, called brainwaves, that form the root of all human thoughts and behavior.

Humm enhances activity in the prefrontal cortex, located directly behind the forehead, where different brainwave patterns have been linked to essential cognitive functions such as learning, decision making and problem solving.

 
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Background

What is working memory?

Working memory is the sketchpad of the mind - where your brain temporarily holds numbers, names, and other information. It gives us the power to perform mental tasks such as problem solving, arithmetic and remembering phone numbers.

Working memory relies on slow, thrumming electrical activity, called theta waves, that coordinate communication between different regions of the brain. These brainwaves maintain and manipulate information stored in working memory, and are crucial for the functioning of normal memory and attention.

 

 

Our Product

How does humm work?

Working memory naturally declines as we age, as these electrical rhythms become less synchronized and our memories lose their sharpness. Like the conductor of an orchestra, humm helps to resynchronize these rhythms and strengthen working memory.

Humm uses transcranial alternating current stimulation (tACS) to gently boost the power of these theta waves. These brainwave patterns establish communication between different parts of the brain, restoring the flow of information and improving our ability to recall our experiences.

Battleday RM, Kadosh R, et al. Mapping the mechanisms of transcranial alternating current stimulation: a pathway from network effects to cognition. Front Psychiatry, 2014;5:162.

Battleday RM, Kadosh R, et al. Mapping the mechanisms of transcranial alternating current stimulation: a pathway from network effects to cognition. Front Psychiatry, 2014;5:162.

 

 
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Considerations

Is tACS safe?

Yes. Humm is based on more than 30 years of scientific research using transcranial electrical stimulation (tES) involving more than 30,000 participants, and its use with healthy people has been cleared by the FDA. 

Humm uses an exceptionally small electric current to gently stimulate the brain, many times less than the power generated by the brain itself or absorbed from a cell phone during a call. Humm is built with medical-grade engineering and rigorous quality assurance.

 

 

Guidance

To get the best out of your brain you should also be actively pursuing:

 
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A good night’s sleep.

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Frequent exercise.

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A healthy diet.

 

Humm is not intended for use by persons who are under the age of 18, have an implanted metal or electronic medical device in the head or neck, have a pacemaker, have a history of seizures, are pregnant, or have undergone any brain surgery. Please consult your physician if you believe any of these apply to you or if you have any concerns.

Humm is not a replacement for a lifestyle that supports brain health.

Expertise

Humm’s Research and Scientific Advisors

Humm has demonstrated a significant enhancement of working memory performance. Forty subjects were recruited for participation in a double-blind, randomized controlled trial to measure the effects on working memory in comparison to placebo.

A mean increase in maximum working memory capacity of 19.82% was observed with stimulation, an improvement 120 times greater than the natural learning effect observed in the control group. The results were of very high statistical significance and no relationship between expectation and performance was observed among participants.

 

Scientists & Advisors

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Dr. Tim Fiori MBBS
CTO
Medical Doctor

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Dr. Ted Zanto PhD
Director of Neuroscience Program, Neuroscape
Assistant Professor Neurology, UCSF

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Dr. Vivienne Ming PhD
Founder & Chief Scientist, Socos Labs

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Related Scientific Papers

tACS Research

Enhancement of multitasking performance and neural oscillations by tACS. | Hsu, Zanto, Schouwenburg, Gazzaley 2017 PloS One

Enhancement of multitasking performance and neural oscillations by tACS. | Hsu, Zanto, Schouwenburg, Gazzaley 2017 PloS One

Increase in short-term memory capacity induced by down-regulating individual theta frequency via tACS. | Vasskuhl et. all. 2015 Front Hum Neurosci

Increase in short-term memory capacity induced by down-regulating individual theta frequency via tACS. | Vasskuhl et. all. 2015 Front Hum Neurosci

tACS Mechanisms and Protocols. | Tavakoli et al. 2017 Front Cell Neurosci

tACS Mechanisms and Protocols. | Tavakoli et al. 2017 Front Cell Neurosci

 
Increasing working memory capacity with theta tACS. | Jaušovec et al. 2014 Biol Pschol

Increasing working memory capacity with theta tACS. | Jaušovec et al. 2014 Biol Pschol

Humm White Paper | Humm 2018

Humm White Paper | Humm 2018

Working memory revived in older adults by synchronizing rhythmic brain circuits. | Reinhart et. al. 2019 Nature Neuroscience

Working memory revived in older adults by synchronizing rhythmic brain circuits. | Reinhart et. al. 2019 Nature Neuroscience

 
 
 

Revitalize your mind.
Discover more with humm.

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