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. 2015 Feb 18;35(7):2959–2974. doi: 10.1523/JNEUROSCI.4287-14.2015

Figure 2.

Figure 2.

S2 axons similarly excite CSP, S2-projecting, and callosally projecting neurons in layer 5B of M1. A, Labeling paradigm. Retrograde tracers were injected into the spinal cord and S2 cortex to label CSP and S2-projecting (S2P) neurons, and AAV-ChR2-Venus was injected into S2. B, Example traces, recorded from an adjacent pair of CSP and S2P neurons in layer 5B. C, Group data, showing pairwise responses from CSP and S2P neurons. D, Labeling paradigm. Retrograde tracers were injected into the spinal cord and contralateral M1 cortex to label CSP and CAL neurons, and AAV-ChR2-Venus was injected into S2. E, Example traces, recorded from an adjacent pair of CSP and CAL neurons in layer 5B. F, Group data, showing pairwise responses responded from CSP and CAL neurons.