Population spike
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Neuroscience
Neuroscience is the scientific study of the nervous system. Traditionally, neuroscience has been seen as a branch of biology. However, it is currently an interdisciplinary science that collaborates with other fields such as chemistry, computer science, engineering, linguistics, mathematics,...

, a population spike (PS) is the shift in electrical potential as a consequence of the movement of ions involved in the generation and propagation of action potentials. Population spikes often reflect synaptically induced firing and therefore, they can be classified as a type of field excitatory postsynaptic potentials.

In some areas of the brain, such .

The PS is usually recorded with an extracellular electrode placed close to neural cell bodies or axons.
The first interpretations of hippocampal field potentials were developed by Per Andersen
Per Andersen
Per Oskar Andersen is a Norwegian brain researcher at the University of Oslo. Research by his lab, specifically by Terje Lømo , led to the discovery of long-term potentiation in 1966.He is a member of the Norwegian Academy of Science and Letters.He is also a fellow at the Royal...

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