⚠️ The Alzheimer’s-BCI Connection Nobody Talks About

I want to say something uncomfortable, and I want to say it carefully.

📋 Brain-computer interface clinical trials are enrolling participants without routinely screening for genetic risk factors (which adds significant cost). At the same time, we have data showing that implanting an electrode into the brain of a mouse that carries Alzheimer’s risk genes triggers amyloid plaque accumulation and disease pathology months earlier than it would have developed naturally.

🔬 Let me be precise about what that means and what it doesn’t mean.

In our experiments, we implanted microelectrodes into two-month-old mice carrying genetic mutations (APP/PS1) associated with familial Alzheimer’s disease (This can’t be done in NAMS, because NAMS lack the full metabolic system that Alzheimer’s disease exploits). These mice don’t normally develop MX04-labeled Alzheimer’s plaques until four to five months of age. Following electrode implantation, we observed plaque accumulation and markers of Alzheimer’s pathology at two months, two to three months ahead of the typical timeline. The focal brain injury from implantation appeared to accelerate disease progression in animals already on a genetic trajectory toward neurodegeneration.

🚫 This does NOT mean that BCI implants cause Alzheimer’s disease in healthy humans. It means that in a brain already moving toward neurodegeneration, a focal injury event, including but not limited to electrode implantation, may accelerate that progression.

🩺 The implication for clinical trials is not that we should stop enrolling participants. It is that we should know something about the metabolic and genetic landscape of the brain we are implanting into. A 35-year-old with a family history of aggressive early-onset Alzheimer’s and a 35-year-old without that history may respond to the same implant procedure very differently. We don’t currently have the data to know the magnitude of that difference in humans, which is precisely why we need to start asking the question systematically.

🦺 I raise this not to alarm anyone currently enrolled in a BCI trial 🌟the devices have strong safety records for the populations studied🌟 but because science done in mice has a way of becoming relevant in humans, and the time to think about it is before, not after, problems emerge.

AD: https://lnkd.in/g6vNw8NP

#Alzheimers #Neurodegeneration #BrainHealth #ClinicalTrials #Neuroscience #Neurotechnology #BCI