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. 2011 Feb 28;589(Pt 9):2261–2273. doi: 10.1113/jphysiol.2010.203687

Figure 3. Change in stimulation frequency alters action potential firing in olfactory receptor neurons expressing the mOR-EG odorant receptor.

Figure 3

Suction pipette recordings from an olfactory receptor neuron expressing the mOR-EG odorant receptor, stimulated at increasing concentrations of eugenol, the mOR-EG agonist. A stimulus train at 2 Hz was followed by 5 Hz stimulations; each odorant exposure was 100 ms. Recording bandwidth 0–5 kHz (black) to display action potentials and 0–50 Hz (red) to show the underlying receptor current.