Other categories referring to Electrophysiological classification of juxtaglomerular neurons: bursting and standard firing. In contrast to the standard firing neurons, bursting neurons produced a calcium-channel-dependent low-threshold spike (LTS) when depolarized either by current injection or by spontaneous or evoked postsynaptic potentials. Bursting neurons also could oscillate spontaneously. Most bursting cells were either periglomerular cells or external tufted cells. Based on their mode of firing and placement in the bulb circuit, these bursting cells are well situated to drive synchronous oscillations in the olfactory bulb. LVA (low voltage-activated) Ca++ channel may be involved in LTS.
This database was supported by the Human Brain Project (NIDCD, NIMH, NIA, NICD, NINDS) and MURI (Multidisciplinary University Research Initiative). It is now supported by RO1 DC 009977 from the National Institute for Deafness and other Communication Disorders.
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