نتایج جستجو برای: local field potentials
تعداد نتایج: 1354134 فیلتر نتایج به سال:
Abstract Aim Local field potentials (LFP) are gathered when deep brain stimulation (DBS) electrodes inserted into subcortical structures; however, the clinical application of these findings unclear. Method A literature search was conducted using PRISMA guidelines, 231 papers were analysed for review. Results The lack dopamine in Parkinson’s disease (PD), is thought to increase sensitivity basal...
12 13 14 15 Running title: Spikes & LFPs in an in vitro epilepsy model 16 17 18 Number of pages: 35 19 Number of figures: 7 20 Abstract: 212 words; Introduction: 471 words; Discussion: 1048 words; Conclusion: 52 21 22 23 24 25 26 Corresponding author: Dr. Alfredo Gonzalez-Sulser 27 Interdisciplinary Program in Neuroscience 28 3900 Reservoir Road NW, Basic Science Bldg, Suite. 225 29 Washington,...
Local field potentials (LFPs) in primary motor cortex include significant information about reach target location and upper limb movement kinematics. Some evidence suggests that they may be a more robust, longer-lasting signal than action potentials (spikes). Here we assess whether LFPs can also be used to decode upper limb muscle activity, a complex movement-related signal. We record electromy...
A problem of classification of local field potentials (LFPs), recorded from the prefrontal cortex of a macaque monkey, is considered. An adult macaque monkey is trained to perform a memory based saccade. The objective is to decode the eye movement goals from the LFP collected during a memory period. The LFP classification problem is modeled as that of classification of smooth functions embedded...
While single neurons in inferior temporal (IT) cortex show differential responses to distinct complex stimuli, little is known about the responses of populations of neurons in IT. We recorded single electrode data, including multi-unit activity (MUA) and local field potentials (LFP), from 618 sites in the inferior temporal cortex of macaque monkeys while the animals passively viewed 78 differen...
Recent technological advances, which allow for simultaneous recording of spikes and local field potentials (LFPs) at multiple sites in a given cortical area or across different areas, have greatly increased our understanding of signal processing in brain circuits. Joint analysis of simultaneously collected spike and LFP signals is an important step to explicate how the brain orchestrates inform...
Neurophysiologists have recently become interested in studying neuronal population activity through local field potential (LFP) recordings during experiments that also record the activity of single neurons. This experimental approach differs from early LFP studies because it uses high impedence electrodes that can also isolate single neuron activity. A possible complication for such studies is ...
The local field potential (LFP) is increasingly used to measure the combined activity of neurons within a region of tissue. Yet, available estimates of the size of this region are highly disparate, ranging from several hundred microns to a few millimeters. To measure the size of this region directly, we used a combination of multielectrode recordings and optical imaging. We determined the orien...
It has been recently shown that local field potentials (LFPs) from the auditory and visual cortices carry information about sensory stimuli, but whether this is a universal property of sensory cortices remains to be determined. Moreover, little is known about the temporal dynamics of sensory information contained in LFPs following stimulus onset. Here we investigated the time course of the amou...
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