Noninvasive Stimulation of the Human Brain: Activation of Multiple Cortical Circuits

Noninvasive brain stimulation methods, such as transcranial electric stimulation and transcranial magnetic stimulation are widely used tools for both basic research and clinical applications. However, the cortical circuits underlying their effects are poorly defined. Here we review the current knowl...

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Bibliographic Details
Published in:The Neuroscientist 2018-06, Vol.24 (3), p.246-260
Main Authors: Di Lazzaro, Vincenzo, Rothwell, John, Capogna, Marco
Format: Article
Language:English
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Summary:Noninvasive brain stimulation methods, such as transcranial electric stimulation and transcranial magnetic stimulation are widely used tools for both basic research and clinical applications. However, the cortical circuits underlying their effects are poorly defined. Here we review the current knowledge based on data mostly coming from experiments performed on human subjects, and also to a lesser extent on rodent or primate models. The data suggest that multiple mechanisms are likely to be involved, such as the direct activation of layer V pyramidal neurons, but also of different types of GABAergic interneurons. In this regard, we propose a key role for a specific type of interneuron known as neurogliaform cell.
ISSN:1073-8584
1089-4098
DOI:10.1177/1073858417717660