Change in Coherence Phase Following Substance Administration.

<p>Each point relates to a frequency bin in the 15.3–32.2 Hz range in individual muscles and subjects which showed significant coherence both before and after substance administration. The phase after the drug is plotted against the phase before. A, placebo, B, propranolol C, salbutamol. Dashed line indicates identity. Note that in (C) the majority of points lie below the line of identity.