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. Author manuscript; available in PMC: 2020 Jul 17.
Published in final edited form as: Neuron. 2019 Jun 4;103(2):335–348.e5. doi: 10.1016/j.neuron.2019.05.007

Figure 3. The Magnitude of IntA Activation Scales Reach Kinematics.

Figure 3.

(A) Average (±SE) outward velocity of unstimulated and stimulated reaches with decreasing optical power of optogenetic stimulation (“ChR2”)from high (1.0 mW; far left) to low (0.1 mW; far right).

(B) Heatmap of relative frequency of unstimulated and stimulated reach velocity values from data in (A). Individual frequency heatmaps for unstimulated reaches and stimulated reaches were normalized and subtracted (stimulated – unstimulated) to view the relative prevalence of reach velocity values in each distribution.

(C) Summary of the magnitude (left) and direction (right) of average changes in outward reach velocity (Stim. – Unstim.; mean ± SE) in response to graded levels of excitation.

(D) Average (±SE) initial endpoint of stimulated reaches in response to graded levels of excitation.