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-
External tufted cells have intrinsic rhythmic bursting at
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theta
frequencies and are driven monosynaptically by ON
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inputs.
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-
Short axon and periglomerular cells receive bursts of
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EPSPs
from external tufted cells.
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Glomerular
neurons whose dendrites ramify in the same
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glomerulus
exhibit synchronous events (membrane
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potential
oscillations, bursts of spikes, bursts of EPSP/Cs,
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single
EPSP/Cs).
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Synchronous
activity occurs near theta frequencies, which
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predominate
the rates of investigative sniffing in rodents,
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and
may play an important role in olfactory coding.
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