2007 Sensory Physiology

Stimulus Modality

Labelled line theory

Premises:

  1. individual receptors transduce information about a single type of stimulus
  2. individual primary afferent fibres carry information from a single type of receptor

Conclusions:

Evidence:

Sensory cortices Sensory humunculus
Cortical sensory areas
S&G Figure 10.4

Humunculus
S&G Figure 9.15

Pattern theory

Premises:

Conclusions:

Evidence:

Olfactory receptor codes

Olfactory receptor codes
Taken from Nobel Prize in Medicine Presentation
Richard Axel and Linda Buck, 2004

 

 

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