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Neuralink is investigating whether people with quadriplegia caused by spinal cord injury or ALS can control a computer and an assistive robotic arm through thought. The company describes this as an active clinical-trial effort, not a generally available product. The available sources establish what the study is intended to test, but do not report published results showing how well participants have controlled the arm.
What Neuralink is testing
Neuralink’s clinical-trials page describes a study investigating control of a computer and robotic arm through thought for people with quadriplegia from spinal cord injury or ALS. The aim is to translate signals recorded by the implanted brain-computer interface into actions through connected devices. Neuralink’s clinical-trials page is the company’s source for current study information.
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The CONVOY study is described as an early feasibility study assessing whether participants from the PRIME study can use the N1 Implant to control assistive devices, including an Assistive Robotic Arm. A registry listing surfaced for CONVOY said enrollment was by invitation, with a study start date of November 25, 2024 and estimated primary completion on May 25, 2031. The listing was last verified June 1, 2025 and updated June 2, 2025; those are registry-record details, not a guarantee of current recruitment or timing. Check the official trial page for current status. The CONVOY registry record provides the listing details.
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How the implant, surgical robot and arm differ
Three different devices are involved in descriptions of the system, and the word “robot” can refer to two of them:
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- N1 Implant: the implantable brain-computer interface that records neural activity. Neuralink says its system processes and transmits neural data to an application, which decodes signals into actions and intents.
- R1 Robot: Neuralink’s surgical robot, used to insert the implant’s flexible threads. The company’s PRIME progress update describes 1,024 electrodes across 64 flexible leads, or threads; this is a device specification, not an arm-control result.
- Assistive robotic arm: an external device the brain-computer interface is intended to control. It is not the robot that implants the chip.
Neuralink’s technology overview describes the system, while its PRIME Study progress update explains the threads and surgical robot.
What has—and has not—been demonstrated publicly
Neuralink’s August 21, 2024 PRIME update discussed robotic-arm use as a planned extension of the Link’s capabilities. Its current clinical-trials page describes an active study investigating computer and robotic-arm control. Together, these sources show that arm control is a research objective. They do not establish a published clinical outcome, success rate, reliability measure, or independent validation of robotic-arm performance.
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Neuralink described PRIME as evaluating the safety of the implant and surgical robot and the initial functionality of the brain-computer interface. It also says participation does not guarantee benefit. This is research involving an investigational medical device, not an approved treatment or a service people can currently obtain as a consumer product. Neuralink’s PRIME update includes the company’s description and participant statement: “The Link is a big step on the path of regaining freedom and independence for myself.” — Alex, PRIME Study participant. That statement reflects Alex’s perspective on the Link; it is not evidence of a particular robotic-arm result.
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Who the study is for
Neuralink’s clinical-trials page identifies people with quadriplegia caused by spinal cord injury or ALS as the intended participants for the arm-control study. The CONVOY listing surfaced here describes participants continuing in PRIME who already have an N1 Implant, and says enrollment is by invitation. Eligibility and recruitment can change, so people interested in participation should rely on Neuralink’s official trial information rather than treating the registry details above as current recruitment instructions.
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