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The spike is the sharp downward deflection at t = 0. The spike is preceded by slow oscillations (alpha), the spike happens at the trough of the LFP. [5] The local field potential is believed to represent the sum of synaptic inputs into the observed area, as opposed to the spikes, which represents the output
Dendritic spikes have been recorded in numerous types of neurons in the brain and are thought to have great implications in neuronal communication, memory, and learning. They are one of the major factors in long-term potentiation. A dendritic spike is initiated in the same manner as that of an axonal action potential.
Serum protein electrophoresis showing a paraprotein (spike/peak in the gamma zone) in a patient with multiple myeloma.. A myeloma protein is an abnormal antibody (immunoglobulin) or (more often) a fragment thereof, such as an immunoglobulin light chain, that is produced in excess by an abnormal monoclonal proliferation of plasma cells, typically in multiple myeloma or Monoclonal gammopathy of ...
Note that up to 8% of healthy geriatric patients may have a monoclonal spike. [16] Waldenström's macroglobulinaemia (IgM), monoclonal gammopathy of undetermined significance (MGUS), amyloidosis, plasma cell leukemia and solitary plasmacytomas also produce an M-spike. Oligoclonal gammopathy is indicated by one or more discrete clones. [citation ...
Currently, single-unit recordings provide the most precise recordings from a single neuron. A single unit is defined as a single, firing neuron whose spike potentials are distinctly isolated by a recording microelectrode. [3] The ability to record signals from neurons is centered around the electric current flow through the neuron.
Neurons can generate multiple action potentials in sequence forming so-called spike trains. These spike trains are the basis for neural coding and information transfer in the brain. Spike trains can form all kinds of patterns, such as rhythmic spiking and bursting, and often display oscillatory activity. [27]
$14.88 at . The best place to stick your instant-read thermometer is in the thickest part of the turkey's thigh. Since it's one of the meatiest areas of the bird, it takes the longest to cook so ...
Closeup of a United States Coast and Geodetic Survey marker. United States Army Corps of Engineers Survey Marker Marker for triangulation station, indicated by triangle in center Reference marker for triangulation station in upper photo A cotton spindle spike in Tel Aviv pavement, used as a marker for public area cadastral surveying.