Sentence 1: This is due to the reduction of nicotine transmission in a nucleus and an increased excitability in motor neurons caused by excitatory synaptic activation .
Sentence 2: This is due to the reduction of nicotinic transmission in a nucleus and increased excitability in motor neurons caused by excitatory synaptic activation .
Question: Do Sentence 1 and Sentence 2 express the same meaning? Yes or No?