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Signals in the nervous system

How neurons carry electrical signals and how connections change.

Neuroscience7 steps

Steps

Take the steps in order or jump to any of them. Readings link to the labs and sources behind them, and the quiz at the end is graded on our server.

  1. NeuronStep 1: Read, 50 XP
  2. Ion channelStep 2: Read, 50 XP
  3. Action potentialStep 3: Read, 50 XP
  4. MyelinStep 4: Read, 50 XP
  5. Synaptic plasticityStep 5: Read, 50 XP
  6. BrainStep 6: Read, 50 XP
  7. Signals in the nervous systemStep 7: Quiz, up to 250 XP

About neuroscience

Neuroscience is the study of the nervous system: how the brain and nerves let us sense, think and move.

Neuroscientists study how neurons send electrical signals, how they communicate at synapses, and how networks of neurons produce behavior and memory.

Topics range from ion channels and the Hodgkin-Huxley model of the action potential to synaptic plasticity and the cellular makeup of the brain.