The Doctor Who franchise is about to get even bigger with a new spinoff series that, interestingly, doesn’t seem like it’s going to focus on everyone’s favorite Time Lord.

During the Doctor Who panel at this year’s San Diego Comic-Con, Disney and the BBC announced that The War Between The Land And The Sea — a new series written by Russell T. Davies and Pete McTighe — is on the way. Rather than the Doctor, the new show will revolve around a group of humans as they work together to face the Sea Devils, a race of ancient, ocean-dwelling creatures who first appeared in Doctor Who back in 1972.

Jemma Redgrave and Alexander Devrient are set to reprise their roles as Kate Lethbridge-Stewart and Colonel Ibrahim, respectively, but they will also be joined by Russell Tovey and Gugu Mbatha-Raw as characters not yet revealed. Previously, Tovey and Mbatha-Raw both starred in Doctor Who —he as Titanic midshipman Alonso Frame, and she as Tish Jones — but it’s not clear whether that’s who they’ll be playing here.

In a press release about the new show, Davies called it “a huge, muscular, thrilling drama which will shake The Whoniverse to its foundations,” and while we don’t know when to expect its debut, it’s scheduled to begin shooting in August.

In the world of prosthetics, a groundbreaking advancement is changing the game for individuals with lower-limb amputations. 

Researchers at MIT, in collaboration with Brigham and Women’s Hospital, have developed a neuroprosthetic system that allows users to control their prosthetic legs using their own nervous systems. 

This innovative approach could bring us closer to a future of fully integrated, naturally controlled artificial limbs.

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The AMI: A surgical game-changer

At the heart of this breakthrough is a surgical procedure known as the agonist-antagonist myoneural interface, or AMI. Unlike traditional amputation methods, the AMI reconnects muscles in the residual limb, preserving the natural push-pull dynamics of muscle pairs. This seemingly simple change has profound implications for prosthetic control and function.

Illustration of how the neuroprosthetic system works (MIT Media Lab)

Dr. Hugh Herr, a professor at MIT and senior author of the study, explained the significance: “This is the first prosthetic study in history that shows a leg prosthesis under full neural modulation, where a biomimetic gait emerges. No one has been able to show this level of brain control that produces a natural gait, where the human’s nervous system is controlling the movement, not a robotic control algorithm.”

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Dr. Hugh Herr pictured with the neuroprosthetic system (Jimmy Day, MIT Media Lab)

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The power of proprioception

The key advantage of the AMI system is its ability to provide users with proprioceptive feedback, the sense of where their limb is in space. This sensory information, often taken for granted by those with intact limbs, is crucial for natural movement and control. With the AMI, patients regain a portion of this vital feedback, allowing them to walk more naturally and confidently.

In the study, seven patients with AMI surgery were compared to seven with traditional amputations. The results were striking. AMI patients walked faster, navigated obstacles more easily and climbed stairs with greater agility. They also demonstrated more natural movements, such as pointing their toes upward when stepping over obstacles, a subtle but important aspect of a natural gait.

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A person wearing the neuroprosthetic system (Hugh Herr and Hyungeun Song)

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Adapting to real-world challenges

One of the most impressive aspects of the AMI system is its versatility. Patients were able to adapt their gait to various real-world conditions, including walking on slopes and navigating stairs. This adaptability is crucial for everyday life, where terrain and challenges can change rapidly.

The system’s responsiveness was put to the test in an obstacle-crossing trial. AMI patients were able to modify their gait to clear obstacles more effectively than those with traditional prosthetics. This ability to rapidly adjust to unexpected challenges is a hallmark of natural limb function and represents a significant leap forward in prosthetic technology.

A person wearing the neuroprosthetic system (Hugh Herr and Hyungeun Song)

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The science of sensory feedback

The success of the AMI system hinges on its ability to augment residual muscle afferents, which are the sensory signals sent from muscles to the nervous system. Remarkably, even a modest increase in these signals allows for significantly improved control and function. This finding highlights the incredible adaptability of the human nervous system and its ability to integrate and utilize even partial sensory information.

Dr. Hyungeun Song, lead author of the study, notes: “One of the main findings here is that a small increase in neural feedback from your amputated limb can restore significant bionic neural controllability, to a point where you allow people to directly neurally control the speed of walking, adapt to different terrain and avoid obstacles.”

A person wearing the neuroprosthetic system (Hugh Herr and Hyungeun Song)

Looking to the future

While this research represents a significant step forward, it’s just the beginning. The team at MIT is exploring ways to further enhance sensory feedback and improve the integration between the human nervous system and prosthetic devices. The AMI procedure has already been performed on about 60 patients worldwide, including those with arm amputations, suggesting broad applicability across different types of limb loss.

As this technology continues to evolve, we may see even more natural and intuitive control of artificial limbs. The ultimate goal is to create prosthetics that feel and function like a natural part of the user’s body, blurring the line between human and machine.

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A person wearing the neuroprosthetic system (Hugh Herr and Hyungeun Song)

Kurt’s key takeaways

The development of prosthetic limbs controlled by the nervous system marks the beginning of a new era in bionics. It offers hope for improved mobility, independence and quality of life for millions of people living with limb loss. Moreover, it provides valuable insights into the plasticity of the human nervous system and our ability to integrate with advanced technology.

As we continue to push the boundaries of what’s possible in merging biology and technology, we open up new frontiers in human augmentation and rehabilitation. The implications extend far beyond prosthetics, potentially influencing fields such as neurology, robotics and even our understanding of human consciousness and embodiment.

How comfortable would you be with technology that directly interfaces with your nervous system? Let us know by writing us at Cyberguy.com/Contact.

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