Manipulation of Subcortical and Deep Cortical Activity in the Primate Brain Using Transcranial Focused Ultrasound Stimulation.
amygdala
cingulate cortex
functional connectivity
limbic
macaque monkey
neuromodulation
resting-state connectivity
transcranial stimulation
ultrasound
Journal
Neuron
ISSN: 1097-4199
Titre abrégé: Neuron
Pays: United States
ID NLM: 8809320
Informations de publication
Date de publication:
20 03 2019
20 03 2019
Historique:
received:
18
07
2018
revised:
29
11
2018
accepted:
14
01
2019
pubmed:
16
2
2019
medline:
5
11
2019
entrez:
16
2
2019
Statut:
ppublish
Résumé
The causal role of an area within a neural network can be determined by interfering with its activity and measuring the impact. Many current reversible manipulation techniques have limitations preventing their application, particularly in deep areas of the primate brain. Here, we demonstrate that a focused transcranial ultrasound stimulation (TUS) protocol impacts activity even in deep brain areas: a subcortical brain structure, the amygdala (experiment 1), and a deep cortical region, the anterior cingulate cortex (ACC, experiment 2), in macaques. TUS neuromodulatory effects were measured by examining relationships between activity in each area and the rest of the brain using functional magnetic resonance imaging (fMRI). In control conditions without sonication, activity in a given area is related to activity in interconnected regions, but such relationships are reduced after sonication, specifically for the targeted areas. Dissociable and focal effects on neural activity could not be explained by auditory confounds.
Identifiants
pubmed: 30765166
pii: S0896-6273(19)30046-7
doi: 10.1016/j.neuron.2019.01.019
pmc: PMC6520498
pii:
doi:
Types de publication
Journal Article
Research Support, Non-U.S. Gov't
Langues
eng
Sous-ensembles de citation
IM
Pagination
1109-1116.e5Subventions
Organisme : Medical Research Council
ID : MR/P024955/1
Pays : United Kingdom
Organisme : Biotechnology and Biological Sciences Research Council
Pays : United Kingdom
Organisme : Wellcome Trust
Pays : United Kingdom
Organisme : Medical Research Council
ID : G0902373
Pays : United Kingdom
Organisme : Medical Research Council
ID : G0600994
Pays : United Kingdom
Commentaires et corrections
Type : CommentIn
Informations de copyright
Copyright © 2019 Elsevier Inc. All rights reserved.
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