( ( ( Specific neuron ) ( to ( specific ( muscle Spatially ) ) ) ) ( ( represent ( body ( in ( primary ( motor cortex ) ) ) ) ) . ) )
(ROOT (S (NP (NP (JJ Specific) (NN neuron)) (PP (TO to) (NP (JJ specific) (NN muscle) (NN Spatially)))) (VP (VBP represent) (NP (NP (NN body)) (PP (IN in) (NP (JJ primary) (NN motor) (NN cortex))))) (. .)))
Specific neuron to specific muscle Spatially represent body in primary motor cortex.
(ROOT (S (NP (JJ Muscle) (NNS groups)) (VP (VBP are) (VP (VBN controlled) (PP (IN by) (NP (DT the) (NN motor) (NN cortex))))) (. .)))