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Neural Networks News
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DeepSeek’s AI improves when rewarded
- DeepSeek R1 uses the Group Relative Policy Optimization (GRPO) approach to continually evaluate and select the best output.
- Unlike traditional methods with fixed reward functions, DeepSeek R1 dynamically selects reward functions based on the task and goals of the prompt.
- Multiple reward functions can be used to balance accuracy, speed, compliance, and safety.
- This approach increases transparency, understanding, and trust in the AI's reasoning decisions.
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Flexible sigmoid-like function on a bounded interval
- Developing bioinformatical tools often requires a flexible sigmoid-like function.
- Existing sigmoids do not fulfill the desired criteria of transforming a bounded interval to a bounded interval.
- A composition of inner and outer functions can achieve the desired transformation.
- The resulting bounded sigmoid can be used for soft thresholds, signal enhancement, and weight functions.
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ChatGPT vs DeepSeek — Head to head Comparison
- ChatGPT vs DeepSeek — Head to head Comparison
- ChatGPT, developed by OpenAI, is an advanced conversational AI model known for its natural language processing capabilities and vast knowledge base.
- DeepSeek is a newer AI model focused on accuracy and efficiency in responses.
- ChatGPT is the winner in terms of pretraining, conversation flow, creativity, and availability, while DeepSeek is slightly faster.
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What is AI, Really? Breaking Down Artificial Intelligence for Beginners
- AI or Artificial Intelligence is creating machines that can think and act like humans to perform tasks that require human intelligence.
- AI is already a part of our lives, e.g., Siri, Google Translate, Spotify, or Netflix.
- AI components include machine learning (ML), neural networks, and natural language processing (NLP).
- AI is transforming various industries, including Healthcare, Retail, and Transportation to solve significant challenges.
- AI benefits are automation, improved decision-making, accessibility, and future opportunities.
- Netflix's recommendation engine is an example of how AI learns from data to improve its performance.
- Anyone can explore AI by taking educating online courses, experimenting with tools or joining a community.
- AI is changing the world, and this is the right time to explore it.
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Elon Musk thought Parag Agrawal was not the 'fire-breathing dragon' the platform needed
- Elon Musk and then-Twitter CEO Parag Agrawal got dinner together in March 2022.
- Musk came away from the meeting describing Agrawal as a nice guy, but not the"fire-breathing dragon" Twitter needed.
- That's according to an excerpt published in The Wall Street Journal from Walter Isaacson's forthcoming biography of Musk.
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If we use Elon Musk's Neuralink, we'll be Avengers: Enam Holdings exec
- Enam Holdings Director, Manish Chokhani, believes that integrating Neuralink into our spinal cords, as proposed by Elon Musk, could lead us to possess abilities akin to the Avengers, making us superhuman.
- Chokhani sees AI as the ultimate frontier in human evolution, suggesting that as we continue to enhance our abilities, we are progressively moving towards becoming more superhuman.
- Chokhani highlights the potential of robotics, sensors, and computing power to replicate and enhance our limbs, effectively extending our nervous system and augmenting human capabilities.
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Science competes with Neuralink with launch of new platform for accelerating medical device development
- Science Foundry, a new platform by Science, offers access to over 80 tools to help companies develop medical devices more easily.
- The cost of developing medical devices can be prohibitive for startups, but Science Foundry aims to reduce barriers to innovation.
- Science is part of the growing brain-computer interface industry and is working on a visual prosthesis called the Science Eye to restore visual input to patients with serious blindness.
- It aims to support other neurotechnology, medical technology, and quantum computing startups at a cost comparable to academic facilities but with added benefits.
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Wall Street bets millions on new class of psychedelic drugs
- Wall Street investors are investing tens of millions of dollars in psychedelic drugs that could treat mental illness for a fraction of the cost of traditional therapy.
- Transcend Therapeutics, Gilgamesh Pharmaceuticals, and Lusaris Therapeutics have raised over $100 million since November to develop drugs for treating PTSD and depression.
- The companies' focus on more cost-effective psychedelic therapy coincides with a selloff in biotech stocks last year that dampened enthusiasm for hallucinogens' commercial potential.
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Bezos and Gates-funded brain implant startup tests mind-controlled computing on humans
- Synchron is one of several companies working on brain-computer interface technology.
- The system developed by Synchron is implanted through blood vessels and enables patients to control technology with their thoughts.
- Synchron CEO Tom Oxley has stated that the technology helps patients engage in activities that they may have previously been unable to do.
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Man in US developed 'uncontrollable' Irish accent after cancer diagnosis
- A man in North Carolina developed an uncontrollable Irish accent after being diagnosed with prostate cancer.
- The man had never visited Ireland and had no immediate family from there.
- The case was jointly studied and reported by Duke University and Carolina Urologic Research Center.
- FAS is a rare condition that occurs due to a neurological disorder, brain injury, or psychological disorder.
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New brain chips may bend your mind in strange & troubling ways: Study
- Neuralink, a neurotech startup founded by Elon Musk, is working on implanting its skull-embedded brain chip in humans.
- Brain-computer interfaces (BCIs) are being developed to facilitate direct communication between human brains and external computers for medical use cases such as helping paralyzed people communicate.
- BCIs are still in their infancy, and there are ethical concerns and potential negative effects to consider, such as dependency on the devices and changes to the sense of self.
- BCIs have surpassed their early sci-fi depictions and are attracting significant private and military funding for medical and non-medical uses.
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Musk's Neuralink may have illegally transported pathogens, animal advocates say
- The Physicians Committee for Responsible Medicine (PCRM) has announced its intention to request a government investigation into Neuralink, a brain-implant firm owned by Elon Musk.
- The group claims to have evidence suggesting that the removal of brain implants from monkeys, which may have carried infectious diseases, was conducted unsafely.
- PCRM alleges that these incidents occurred in 2019.
- The animal welfare group is calling for the government to investigate these claims and ensure that proper safety protocols are in place to protect both animals and human health.
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Brain implant communication sets new record of 62 words per minute
- Researchers at Stanford University claim a new record for communicating thoughts to words through brain implant.
- A 67-year-old woman with ALS was able to communicate at a rate of 62 words per minute through the implant, 3.4 times faster than previous record.
- The study was conducted at Stanford University in the US.
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