Construct · 1 fields · 1 citations

tonotopy: a standalone construct

One name. One construct. A landmark on the map.

● anchor · a standalone construct Nearest construct by meaning·not indexed
tonotopy1 CONSTRUCTAuditoryMERZENICH · TONOTOPY

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Auditory neuroscience

the orderly mapping of sound frequency onto position in the cochlea and auditory cortex

Tonotopy is the orderly spatial arrangement by which sound frequency maps to position, along the basilar membrane of the cochlea (the physical place analysis of pitch) and onward to the auditory cortex. Merzenich and Brugge (1973), in Brain Research, mapped the tonotopic representation of the cochlear partition on the macaque's auditory cortex. The same topographic principle organizes the visual system as retinotopy, making the two an invariant: an ordered map of a sensory dimension onto neural tissue.[1]

Unit
One tonotopic map (frequency → cortical/cochlear position)
Recovery means
Record from successive sites and show characteristic frequency shifts smoothly with position.
Measured by
Electrophysiological mapping of characteristic frequency, or frequency-selective imaging (e.g., fMRI).

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Nearby constructs

arrangement3 fields · 6 citationsjingle · one word, three constructsdimension4 fields · 5 citationsjingle · one word, four constructsfrequency4 fields · 7 citationsjingle · one word, four constructs

References

  1. Merzenich, M. M., & Brugge, J. F. (1973). Representation of the cochlear partition on the superior temporal plane of the macaque monkey. Brain Research, 50(2), 275–296. https://doi.org/10.1016/0006-8993(73)90731-2

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