TB10 B&B Lecture 1; How is information represented in an individual neuron?

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  • Created by: mint75
  • Created on: 23-05-16 10:58

1. Does amplitude of an action potential carry information?

  • No, each action potential has approximately the same amplitude
  • Yes, each actions potentials amplitude reflects the neurons activity
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Other questions in this quiz

2. What shape is a typical tuning curve?

  • L shaped trough
  • Plateau at offset
  • Bell shaped
  • U shaped

3. What tuning can generalise e.g the same neuron can detect a stimulus based on similarity to a prototypical representation?

  • Detector tuning
  • Response tuning
  • Broad tuning
  • Specific tuning

4. In a raster plot, what does a dot represent?

  • A spike
  • An experimental trial
  • Time
  • How many spikes fired in a given period

5. What characterises the 'detector' analogy?

  • An individual neuron intergrates information from a variety of sources and sends a signal representing the degree to which the inputs match some type of pattern
  • Each neuron codes for a specific pattern with a 'detection threshold'
  • Single neurons code for specific individual phenomena e.g there is a neuron that selectively codes for faces, another for dogs...
  • An individual neuron 'detects' information in its receptive field and broadcasts to other single neurons


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