China develops ultrasound brain-computer interface without surgery

When you hear”Brain-computer interface“,” Maybe you imagine surgery, wires, and a chip in your head. Now imagine something calmer. There is no implant, no incision. Only sound waves directed to the brain.

This is the approach behind the new wave of… Ultrasound interface between the brain and the computer companies in china. One of the newest companies is Gestala, which was founded in Chengdu and has offices in Shanghai and Hong Kong. The company says it is developing technology that could stimulate brain activity and eventually study it using focused ultrasound.

Yes, the same basic technology is used in medical imaging. But this time, it targets neural circuits.

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Brain imaging highlights areas researchers are studying while companies explore non-invasive ultrasound brain-computer interface technology. (Kurt “CyberGuy” Knutson)

What is an ultrasound brain computer interface?

most Brain-computer interface systems It relies on electrodes that detect electrical signals from nerve cells. Neuralink It is the most obvious example. It places small leads inside the brain to record activity. Ultrasound works differently.

Instead of measuring electrical signals directly, it uses high-frequency sound waves. Depending on the intensity and focus, these waves can:

• Create images of internal tissues
• Destruction of abnormal tissues such as tumors
• Modifying neural activity without open surgery.

Focused ultrasound treatments are already approved for Parkinson’s disease, uterine fibroids, and some tumors. This clinical history gives companies like Gestala a foundation to build on. However, studying or interpreting brain signals using ultrasound is much more complex than delivering targeted stimulation.

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Unlike implant-based systems such as Neuralink, ultrasound brain-computer interface research focuses on non-invasive brain stimulation. (Neuralink)

How Gestala plans to treat chronic pain with focused ultrasound

Gestala’s first product focuses on chronic pain. The company plans to target the anterior cingulate cortex, an area of ​​the brain associated with the emotional experience of pain. Early pilot studies suggest that stimulating this area can reduce pain intensity for up to a week in some patients. The first generation device will be a fixed system used in clinics. Patients will visit the hospital for treatment sessions. Later, the company plans to develop a wearable helmet designed for supervised use at home. Over time, Gestala says she wants to expand into treatment for depression, other mental health conditions, stroke rehabilitation, Alzheimer’s disease, and sleep disorders. This is an ambitious roadmap. Each condition involves different brain networks and clinical barriers.

Can ultrasound read brain activity without an implant?

Like other brain technology startups, Gestala is also exploring whether ultrasound can help explain brain activity. The long-term concept is straightforward in theory. The device can detect patterns associated with chronic pain or depression, then deliver stimulation to specific areas in response.

Unlike traditional brain implants, which pick up electrical signals from limited areas, an ultrasound-based system may have the potential to reach broader areas of the brain. This possibility is one reason researchers should take notice. However, translating this concept into reliable data represents a major engineering challenge.

The global race to build non-invasive brain interfaces

China is not alone in exploring ultrasound brain-computer interface systems. Earlier this month, OpenAI announced Major investment in Merge Labs, a startup co-founded by Sam Altman with researchers associated with Forest Neurotech.

Merge Labs’ general materials suggest restoring lost abilities, supporting healthier brain states, and deepening human connection with advanced artificial intelligence. This language indicates long-term ambitions. However, experts warn that real-world applications are still years away.

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Researchers use MRI guidance to precisely target the anterior cingulate cortex with focused ultrasound during studies of chronic pain. (Jisala)

Technical limits of ultrasound-brain interfaces

Ultrasound faces technical limitations. First, the skull weakens and distorts sound waves. This makes it difficult to get accurate signals. In research settings, detailed readouts of neural activity require special implants that allow ultrasound waves to pass through more clearly from bone.

Second, ultrasound measures changes in blood flow. Blood flow turns more slowly than electrical firing in nerve cells. This delay may limit applications that require fast and detailed signal decoding, such as real-time speech translation. In short, motivation is one of the challenges. Close reading is a whole other level.

What does this mean for you?

Currently, this technology is experimental. You’re not about to buy a brain helmet from your local electronics store. However, the trend is important. If non-invasive ultrasound devices are able to reduce chronic pain or support mental health treatment, more patients may consider the treatment without facing brain surgery.

At the same time, devices that analyze brain states are introducing new devices Privacy questions. Data about the brain is very personal. Regulatory bodies, hospitals and companies will need clear rules about how that data is stored, shared and protected. Finally, the connection between AI companies and brain interface startups shows how closely digital intelligence and neuroscience are interconnected. This connection could reshape medicine, wellness, and even how we interact with technology.

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Key takeaways for Kurt

Brain-computer interfaces used to seem distant and experimental. It is now a serious focus of global research and investment. China’s push to develop an ultrasound-based brain-computer interface adds momentum to a field already shaped by companies like Neuralink and new projects backed by OpenAI. Progress is steady but measured. The potential is great. The technical hurdles are real. What happens next will depend on whether researchers are able to turn promising laboratory results into safe and reliable treatments that people can actually use.

If sound waves can one day explain your mental state, who should decide how to use that information? Let us know by writing to us at Cyberguy.com.

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