Technology & Futures · GUIDE
AI and Consciousness
Debates about whether artificial systems can have experience.
NEXUS DISCOVERY
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18 published results.
Life, Body & Mind · GUIDE
Brain and Cognition
Neuroscientific and cognitive approaches to mental processes.
Technology & Futures · LAB
Classifier Trade-offs Lab
Move a decision threshold to observe precision, recall and confusion counts on fictional data.
Philosophy & Meaning · GUIDE
Consciousness
Philosophical questions about subjective experience.
Philosophy & Meaning · GUIDE
Deductive Arguments: Validity and Soundness
Use counterexamples and truth tables to distinguish valid forms from persuasive-sounding mistakes.
Philosophy & Meaning · LAB
Deductive Validity Lab
Explore four logical forms and search truth assignments for counterexamples.
Technology & Futures · GUIDE
Evaluating AI Models Beyond Accuracy
Understand generalization, held-out data and classification tradeoffs through examples.
Across worlds · COURSE
Evidence Across Worlds: How to Test a Claim
A complete six-module inquiry course using all six published Nexus Humano guides and three original Labs to distinguish observations, interpretations, validity, model assumptions and evaluation evidence.
Across worlds · COURSE
How Models Help Us Think
Work through three already-published guides and labs to learn how different fields test a model, interpret results and recognize limits.
Life, Body & Mind · GUIDE
How Neurons Send Signals
Understand voltage changes, thresholds, synapses and the limits of simplified neuron models.
Life, Body & Mind · WORLD
Life, Body & Mind
Human biology, genetics, cognition, medicine and neuroscience.
Across worlds · WORKSHOP
Methods Workshop
Compare logical validity, a fictional neuron threshold and a classifier trade-off using three live source-linked educational models.
Life, Body & Mind · LAB
Neuron Threshold Sandbox
Adjust abstract excitatory and inhibitory inputs in a transparent educational threshold model.
Philosophy & Meaning · WORLD
Philosophy & Meaning
Philosophy, ethics, metaphysics, logic and the search for meaning.
Across worlds · RESOURCE
Research & Practice Resources
Use three original published study companions with source links, working learning labs, explained answers and a portable offline reading collection.
Across worlds · RESOURCE
Research Desk
Follow original published learning guides and Labs to their cited sources in a transparent research desk for philosophy, brain science and AI evaluation.
Technology & Futures · WORLD
Technology & Futures
Computing, AI, digital systems, human-machine interaction and future societies.
Across worlds · TRAIL
What Is Consciousness?
How do different disciplines understand conscious experience?
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