External tufted cells: a major excitatory element that coordinates glomerular activity

A Hayar, S Karnup, M Ennis… - Journal of …, 2004 - Soc Neuroscience
The glomeruli of the olfactory bulb are the first site of synaptic processing in the olfactory
system. The glomeruli contain three types of neurons that are referred to collectively as …

Olfactory bulb glomeruli: external tufted cells intrinsically burst at theta frequency and are entrained by patterned olfactory input

A Hayar, S Karnup, MT Shipley… - Journal of …, 2004 - Soc Neuroscience
Glomeruli, the initial sites of synaptic processing in the olfactory system, contain at least
three types of neurons collectively referred to as juxtaglomerular (JG) neurons. The role of …

Olfactory bulb external tufted cells are synchronized by multiple intraglomerular mechanisms

A Hayar, MT Shipley, M Ennis - Journal of Neuroscience, 2005 - Soc Neuroscience
In rat olfactory bulb slices, external tufted (ET) cells spontaneously generate spike bursts.
Only ET cells affiliated with the same glomerulus exhibit significant synchronous activity …

External tufted cells in the main olfactory bulb form two distinct subpopulations

M Antal, M Eyre, B Finklea… - European Journal of …, 2006 - Wiley Online Library
The glomeruli of the main olfactory bulb are the first processing station of the olfactory
pathway, where complex interactions occur between sensory axons, mitral cells and a …

Electrophysiology of interneurons in the glomerular layer of the rat olfactory bulb

AR McQuiston, LC Katz - Journal of neurophysiology, 2001 - journals.physiology.org
In the mammalian olfactory bulb, glomeruli are surrounded by a heterogeneous population
of interneurons called juxtaglomerular neurons. As they receive direct input from olfactory …

Two GABAergic intraglomerular circuits differentially regulate tonic and phasic presynaptic inhibition of olfactory nerve terminals

Z Shao, AC Puche, E Kiyokage… - Journal of …, 2009 - journals.physiology.org
Olfactory nerve axons terminate in olfactory bulb glomeruli forming excitatory synapses onto
the dendrites of mitral/tufted (M/T) and juxtaglomerular cells, including external tufted (ET) …

External tufted cells drive the output of olfactory bulb glomeruli

D De Saint Jan, D Hirnet, GL Westbrook… - Journal of …, 2009 - Soc Neuroscience
Odors synchronize the activity of olfactory bulb mitral cells that project to the same
glomerulus. In vitro, a slow rhythmic excitation intrinsic to the glomerular network persists …

Intraglomerular lateral inhibition promotes spike timing variability in principal neurons of the olfactory bulb

M Najac, AS Diez, A Kumar, N Benito… - Journal of …, 2015 - Soc Neuroscience
The activity of mitral and tufted cells, the principal neurons of the olfactory bulb, is modulated
by several classes of interneurons. Among them, diverse periglomerular (PG) cell types …

Interglomerular lateral inhibition targeted on external tufted cells in the olfactory bulb

JD Whitesell, KA Sorensen, BC Jarvie… - Journal of …, 2013 - Soc Neuroscience
Lateral inhibition between neurons occurs in many different sensory systems, where it can
perform such functions as contrast enhancement. In the olfactory bulb, lateral inhibition may …

The interglomerular circuit potently inhibits olfactory bulb output neurons by both direct and indirect pathways

S Liu, AC Puche, MT Shipley - Journal of Neuroscience, 2016 - Soc Neuroscience
Sensory processing shapes our perception. In mammals, odor information is encoded by
combinatorial activity patterns of olfactory bulb (OB) glomeruli. Glomeruli are richly …