CTT Week 3

 Source 3- AI-Powered Remote Brain Monitoring Using Laser Speckle Patterns

The researchers in this article aimed to develop and test a new way of monitoring brain activity using artificial intelligence, with the goal of exploring wether brain responses could be measured without using any devices touching the head or skin. They did this by creating a system that uses a laser and a camera to detect small vibrations on the scalp and applied AI to analyze the patterns created by those vibrations. The researchers tested this on participants, playing both understandable and non-understandable speech. What they found was that the AI could tell the difference between brain responses to clear and unclear speech with a high level of accuracy. The study also confirmed that these signals came from brain activity. It was concluded that this new technique could be a low-cost, portable, and noninvasive way to monitor brain activity—making it useful in settings where traditional methods like MRI or EEG are too expensive or uncomfortable to use.

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