Image: Neuron firing rate with kink and nicotine
A fictitious representation of the firing rate $r(i,s)$ of a neuron in response to an input $i$ and nicotine level $s$. As nicotine increases from $s=0$ to $s=2$ and $s=4$, the location of the kink moves to lower input levels and the curve flattens.
Image file: neuron_firing_rate_kink_nicotine.png
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