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. 2022 Nov 21;145(11):3727-3729.
doi: 10.1093/brain/awac310.

The lower motor neuron homunculus

Affiliations

The lower motor neuron homunculus

John Ravits et al. Brain. .

Erratum in

Abstract

Penfield’s motor homunculus anthropomorphizes the cerebral level of motor control, the upper motor neuron. However, it leaves the cranial and spinal motor neurons unrepresented. Here Ravits and Stack redress the imbalance by presenting a lower motor neuron homunculus.

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Figures

Figure 1
Figure 1
The lower motor neuron homunculus and his celebrated upper motor neuron partner. The lower motor neuron homunculus (right) is juxtaposed to the upper motor neuron homunculus (left) and they are drawn in anatomic proportion.

References

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    1. Gandhoke GS, Belykh E, Zhao X, Leblanc R, Preul MC. Edwin Boldrey and Wilder Penfield’s homunculus: A life given by Mrs. Cantlie (in and out of realism). World Neurosurg. 2019;132:377–388. - PubMed
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Publication types

Supplementary concepts