Table II.

Percent of studies by categories that have reported activation in specific cortical area

Cortical regions	Task	Left hemisphere	Right hemisphere
Primary motor cortex (M1)	Execution	87.5%	50%
Simulation	16.6%	16.6%
Observation	0	0
Verbalization	0	0
Sensorimotor cortex (S1)	Execution	37.5%	12.5%
Simulation	0	0
Observation	0	0
Verbalization	0	0
Dorsal part of the premotor cortex: dPMd	Execution	50%	87.5%
Simulation	833%	66.6%
Observation	37.5%	37.5%
Verbalization	12.5%	0
Ventral part of the dorsal premotor cortex: vPMd	Execution	12.5%	37.5%
Simulation	66.6%	50%
Observation	0	0
Verbalization	75%	0
Opercular premotor cortex	Execution	25%	37.5%
Simulation	66.6%	50%
Observation	0	0
Verbalization	0	0
Broca area 44	Execution	0	0
Simulation	16.6%	16.6%
Observation	12.5%	0
Verbalization	75%	12.5%
Broca area 45	Execution	0	0
Simulation	0	16.6%
Observation	0	0
Verbalization	62.5%	12.5%
Ventral part of the dorsolateral prefrontal gyrus	Execution	25%	12.5%
Simulation	16.6%	0
Observation	25%	12.5%
Verbalization	37.5%	0
Dorsal part of the dorsolateral prefrontal gyrus	Execution	12.5%	12.5%
Simulation	83.3%	0
Observation	25%	12.5%
Verbalization	0	12.5%
Supramarginal gyrus	Execution	50%	50%
Simulation	100%	50%
Observation	75%	50%
Verbalization	0	12.5%
Angular gyrus	Execution	12.5%	12.5%
Simulation	0	0
Observation	0	0
Verbalization	25%	0
Superior parietal lobe	Execution	50%	87.5%
Simulation	50%	33.3%
Observation	50%	50%
Verbalization	0	0
Superior occipital gyrus/Precuneus	Execution	25%	12.5%
Simulation	16.6%	0
Observation	62.5%	37.5%
Verbalization	12.5%	0
Middle temporal gyrus/superior temporal gyrus	Execution	0	0
Simulation	0	0
Observation	62.5%	37.5%
Verbalization	75%	12.5%
Inferior temporal gyrus	Execution	0	0
Simulation	0	0
Observation	37.5%	0
Verbalization	25%	0
MT/V5	Execution	0	0
Simulation	0	0
Observation	50%	37.5%
Verbalization	0	0