期刊
NATURE COMMUNICATIONS
卷 10, 期 -, 页码 -出版社
NATURE PUBLISHING GROUP
DOI: 10.1038/s41467-019-09557-4
关键词
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资金
- Brain & Behavior Research Foundation
- Picower Family Foundation
- MIT Picower Institute Innovation Fund
- Defense Advanced Research Projects Agency (DARPA) [W911NF-14-2-0045]
- Office of Naval Research [MURI N00014-16-1-2832]
- National Institutes of Health [R21MH109722, R03MH111320, UH3NS100548, R37MH087027]
Deep brain stimulation (DBS) is a circuit-oriented treatment for mental disorders. Unfortunately, even well-conducted psychiatric DBS clinical trials have yielded inconsistent symptom relief, in part because DBS' mechanism(s) of action are unclear. One clue to those mechanisms may lie in the efficacy of ventral internal capsule/ventral striatum (VCVS) DBS in both major depression (MDD) and obsessive-compulsive disorder (OCD). MDD and OCD both involve deficits in cognitive control. Cognitive control depends on prefrontal cortex (PFC) regions that project into the VCVS. Here, we show that VCVS DBS' effect is explained in part by enhancement of PFC-driven cognitive control. DBS improves human subjects' performance on a cognitive control task and increases theta (5-8Hz) oscillations in both medial and lateral PFC. The theta increase predicts subjects' clinical outcomes. Our results suggest a possible mechanistic approach to DBS therapy, based on tuning stimulation to optimize these neurophysiologic phenomena.
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