Table 1.

Experimental subjects: characteristics and lesion volumes in mm³ and as a percentage of total volume of the caudal M1 and rostral S1

Case	Age^{^a} (years)	Sex	Handedness index^{^b}	Lesion category^{^c}	Postlesion duration for recovery (months)	Gray matter lesion volume		White matter lesion volume		Gray matter lesion volume
						mm³		mm³		Percentage				mm³
						Frontal cortex	Parietal cortex	Frontal cortex	Parietal cortex	M1		S1		Lateral premotor cortex	Posterior parietal cortex (rostral area PE)
						Frontal cortex	Parietal cortex	Frontal cortex	Parietal cortex	Rostral	Caudal	Rostral	Caudal	Lateral premotor cortex	Posterior parietal cortex (rostral area PE)
45	4.9	Male	21.3R	F2	6	212.6	0.0	23.02	0.0	100	10.7	0.0	0.0	99.6	0.0
48	6.8	Female	6.0R	F2	12	220.3	0.0	23.12	0.0	100	7.7	0.0	0.0	110.7	0.0
55	11.8	Male	20.0L	F2	12	207.7	0.0	20.51	0.0	100	27.7	0.0	0.0	87.7	0.0
70	7.2	Male	4.4R	F2	6	143.2	0.0	7.76	0.0	96.5	6.2	0.0	0.0	52.3	0.0
71	8.8	Male	53.4R	F2P2	12	191.9	105.4	22.53	8.9	100	23.0	13.0	100	84.3	0.0
81	12	Female	63.6L	F2P2	12	108.8	68.1	7.40	6.2	85.0	30.3	19.5	100	34.3	14.5
83	3.8	Female	91.0L	F2P2	12	181.1	76.8	8.16	8.0	100	50.2	34.4	100	83.6	11.4
87	17	Female	60.0R	F2P2	6	224.0	102.3	44.65	11.6	100	46.1	24.4	100	83.7	47.7
91	7.8	Female	76.0L	F2P2	6	192.6	76.2	46.21	6.7	100	100	69.9	100	39.4	7.8

↵^aAge at time of lesion.
↵^bPercentage of initial reaches and retrievals with preferred hand minus 50, multiplied by 2 (Nudo et al., 1992); R, right hand preferred; L, left hand preferred.
↵^cF2, M1 + LPMC; F2P2, M1 + LPMC + S1 + rostral area PE.