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How does artificial intelligence learn? – Briana Brownell



TED-Ed

Explore the three major methods of machine learning, which allows computers to write their own rules to problem solve and process data.

Today, artificial intelligence helps doctors diagnose patients, pilots fly commercial aircraft, and city planners predict traffic. These AIs are often self-taught, working off a simple set of instructions to create a unique array of rules and strategies. So how exactly does a machine learn? Briana Brownell digs into the three basic ways machines investigate, negotiate, and communicate.

Lesson by Briana Brownell, directed by Champ Panupong Techawongthawon.

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48 thoughts on “How does artificial intelligence learn? – Briana Brownell
  1. There was an AI model that was trained on cancer positive data, and negative cancer data. The problem was, the negative cancer data was sourced differently. The AI model learned to look for how the data was sourced, instead of information IN that data.
    This is one of the issues with providing data, and not realizing HOW the AI model learned the differences. A human would have not even looked at the data source, but the AI model doesn't know what relevant parameters should be ignored, unless you specifically tell it to. (if you even know)

  2. Fun fact: its easier to multiply anything by 10 than any other number
    This is because of a algorithm we were taught: add a zero at the end.
    Yeah

  3. No they won't… Doctors, many Doctors, in fact most Doctors absolutely will not check the numbers and then decide on their own the diagnosis. Be realistic that's not true!

  4. Weirdest Ted-Ed ever. I found myself marching in place for 14 hours clapping cans together until my wife pulled me out. We shut off the video and I stopped drooling. I can't tell you one thing, however, about how AI learns. But I did lose a couple pounds. Score!

  5. As a computer science, major, I would say that I have to disagree with one part that states that the more advanced we become the less we understand the more we understand the less we understand in the context of broadening our spectrum of potential understanding once unlocking doors to uncharted territory, but not to the extent of how the code we create, and the algorithms we design, are performing and how they function.

  6. 🎯 Key points for quick navigation:

    💡 Artificial intelligence can self-teach using basic instructions, creating unique rules and strategies for tasks like diagnoses and traffic predictions.
    🧩 Machine learning comprises three main types: unsupervised, supervised, and reinforcement learning, used depending on data analysis requirements.
    🔍 Unsupervised learning identifies patterns and similarities in data without human guidance, ideal for discovering emerging trends in large datasets.
    👨‍⚕️ Supervised learning involves active human input, using specific data to generate targeted algorithms, such as for medical diagnoses.
    🏥 Reinforcement learning uses feedback to iteratively improve outcomes, suitable for developing adaptive treatment plans in medicine.
    🧠 Combining different machine learning methods can enhance AI systems' complexity, allowing them to supervise and teach each other.
    🤖 Artificial neural networks, resembling brain neurons, solve complex tasks but are less transparent in their decision-making process.
    ❓ As AI becomes integral to daily life, transparency, and ethical teaching between AI systems are crucial for safety and effectiveness.

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