During treatment, ptosis and extraocular palsies were relieved, strength in proximal muscles improved, and muscle-action potentials increased from 1 to 2 mV to 4 to 7 mV. IN the case of botulism ...

action potential propagation along the sarcolemma. We found that muscle fibre depolarization by ChR2 activation was a function of light intensity and duration. In the presence of myosin inhibitors ...