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. In a raster plot, what does the peristimulus histogram represent?

  • How many spikes fired in a given period
  • Time
  • A spike
  • An experimental trial
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2. What is temporal coding?

  • Information about the stimulus or response is carried in the precise timing of the individual spikes
  • Information about the stimulus or response is carried in the pitch of the action potential
  • Information about the stimulus or response is carried in the rate at which the cell fires
  • Information about the stimulus or response is carried in the amplitude of the action potential

3. What shape is a typical tuning curve?

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

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

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

5. Is there ambiguity in bell shaped tuning curves?

  • Yes, the same firing rate can reflect different properties of the stimulus
  • No, the same firing rate always reflects the same property of the stimulus

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