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Table 1: Demographics of control participants and patients with epilepsy
Control Participants (n = 20) RTLE (n = 20) LTLE (n = 20)
Handedness (right-handed) 20 (100) 20 (100) 18 (90)
Sex (male) 9 (45) 10 (50) 9 (45)
Age at onset (years) NA 14 ± 13 13 ± 15
Duration of epilepsy (years) NA 20 ± 11 23 ± 10
GTCS NA 11 (55) 12 (60)
GTCS frequency (per year) NA 11 ± 15 14 ± 20
MRI Findings 
    HA None 17 (85) 13 (65)
    Nonlesional, no HA None 2 (10) 4 (20)
    Extrahippocampal lesions None 1 (5) 3 (15)
Etiology 
    Unknown NA 9 7
    Meningitis, abscess NA 5 4
    Neoplasm NA 1 2
    Cortical dysplasia NA 4 3
    Trauma, infarct NA 1 3
    Cavernous hemangioma NA None 1
Note:—TLE indicates temporal lobe epilepsy/resection; GTCS, generalized tonic-clonic seizures; HA, hippocampal atrophy; NA, not applicable. Values (in parentheses are percentages.

	Control Participants (n = 20)	RTLE (n = 20)	LTLE (n = 20)
Handedness (right-handed)	20 (100)	20 (100)	18 (90)
Sex (male)	9 (45)	10 (50)	9 (45)
Age at onset (years)	NA	14 ± 13	13 ± 15
Duration of epilepsy (years)	NA	20 ± 11	23 ± 10
GTCS	NA	11 (55)	12 (60)
GTCS frequency (per year)	NA	11 ± 15	14 ± 20
MRI Findings
HA	None	17 (85)	13 (65)
Nonlesional, no HA	None	2 (10)	4 (20)
Extrahippocampal lesions	None	1 (5)	3 (15)
Etiology
Unknown	NA	9	7
Meningitis, abscess	NA	5	4
Neoplasm	NA	1	2
Cortical dysplasia	NA	4	3
Trauma, infarct	NA	1	3
Cavernous hemangioma	NA	None	1