Bridge locus

Bridge locus

In neuroscience the bridge locus for a particular sensory percept is a hypothetical set of neurons whose activity is the basis of that sensory percept. Activity in the bridge locus neurons are necessary and sufficient for sensory perception. If the bridge locus neurons are not active then the sensory perception does not occur, regardless of the actual sensory input. Conversely if the bridge locus neurons are active then sensory perception occurs, regardless of the actual sensory input. It is the highest neural level of a sensory perception. So, for example, retinal neurons are not considered a bridge locus for visual perception because stimulating visual cortex can give rise to visual percepts.

References

* Davida Y Teller "Linking propositions" Vision Research (1984)


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