نتایج جستجو برای: intracortical
تعداد نتایج: 2386 فیلتر نتایج به سال:
OBJECTIVE Seizures have been implicated as a cause of secondary brain injury, but the systemic and cerebral physiologic effects of seizures after acute brain injury are poorly understood. METHODS We analyzed intracortical electroencephalographic (EEG) and multimodality physiological recordings in 48 comatose subarachnoid hemorrhage patients to better characterize the physiological response to...
We investigated brain functional connectivity comparing no-task resting to breath counting (a meditation exercise but given as task without referring to meditation). Functional connectivity computed as EEG coherence between head-surface data suffers from localization ambiguity, reference dependence, and overestimation due to volume conduction. Lagged coherence between intracortical model source...
BACKGROUND Despite growing interest in the relationship between exercise and short-term neural plasticity, the effects of exercise on motor cortical (M1) excitability are not well studied. Acute, lower-limb aerobic exercise may potentially modulate M1 excitability in working muscles, but the effects on muscles not involved in the exercise are unknown. Here we examined the excitability changes i...
Numerous experiments require low latencies in the detection and processing of neural brain activity to be feasible, order a few milliseconds from action reaction. In this paper, design for sub-millisecond communication spiking detected by an array 32 intracortical microelectrodes is presented, exploiting real-time provided Field Programmable Gate Array (FPGA). The embedded commercially availabl...
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