Articles

AI-CARING is featured in the latest AI Magazine Association for the Advancement of Artificial Intelligence (AAAI): https://onlinelibrary.wiley.com/doi/10.1002/aaai.12162

Authors:
Sonia Chernova, Elizabeth Mynatt, Agata Rozga, Reid Simmons, and Holly Yanco

Carnegie Mellon University (CMU) researchers have launched an educational tool, Neuron Sandbox, with the aim of equipping middle school students with an understanding of a foundational element in contemporary artificial intelligence. Neural network technology serves as the foundation for a wide range of AI applications, including convolutional networks used in computer vision and transformer networks seen in large language models like ChatGPT.

As an interactive tool, Neuron Sandbox guides students to understand a common type of simulated neuron called a linear threshold unit. It helps student visualize both the neuron and the truth table that describes its inputs and outputs. It presents a series of problems of increasing difficulty which students can solve by adjusting the weights on the neuron's input connections and/or its firing threshold.

Neuron Sandbox is available now and runs on any web browser at: https://www.cs.cmu.edu/~dst/NeuronSandbox!

Neuron Sandbox is designed to be used by middle school students, but it contains advanced features that make it useful for high school and undergraduate students as well. In addition, the tool includes an interactive editor that allows teachers to create their own custom problems for their students to solve.

Neuron Sandbox was created by CMU students Angela Chen and Neel Pawar, along with their advisor, Professor David Touretzky. Touretzky is also the principal investigator on an NSF ITEST project aimed at developing a 9-week artificial intelligence elective for middle school students in Georgia and a member of the AI-CARING team. "We're excited to test Neuron Sandbox with our middle school teachers and observe how their students respond to it," Touretzky stated. "We're continually adding new features to the tool, such as the ability to switch between a threshold display and a bias connection display, to enhance its usefulness for more advanced students as well."
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