Chapter 21

Neural Decoding I

Discrete Variables

Pascal Wallisch

What is neural decoding? Simply put, it is a mathematical mapping from the brain activity to the outside world. In the sensory domain, the outside world consists of the received visual, auditory, or other sensory information. In the motor domain, the outside world consists of the state of the skeletomuscular system. This is the inverse of neural encoding, which maps the outside world to brain activity. Because signals about motor intention precede movement, decoding can be thought of as “mind reading.” Neuroscientists seek to predict an action as soon as it is intended, before it ever takes place.


neural decoding; neural encoding; rate encoding; temporal encoding; population ...

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