Table 1.
Demographic and Seizure Data for Study Patients
| Variable | Younger Group Ages 6–10 N=36 |
Older Group Ages 11–16 N=27 |
|---|---|---|
| M (SD) | M (SD) | |
| Age (years) | 8.36 (1.38) | 12.63 (1.60) |
| Education (years) | 2.69 (1.31) | 7.00 (1.66) |
| Full Scale IQ (standard score) | 86.61 (17.27) | 83.67 (16.06) |
| Age at Seizure Onset (years) | 5.24 (2.24) | 8.26 (3.18) |
| Duration of Epilepsy (years) | 3.12 (2.13) | 4.48 (3.03) |
| Inter-test Interval (months) | 13.03 (8.47) | 10.93 (2.97) |
| Sex | Male = 17 (47.2%) | Male = 10 (37.0%) |
| Female = 19 (52.8%) | Female = 17 (63.0%) | |
| Race | Caucasian = 32 (88.9%) | Caucasian = 21 (77.8%) |
| African American = 2 (5.6%) | African American = 3 (11.1%) | |
| Other = 2 (5.6%) | Other = 3 (11.1%) | |
| Handedness | Left = 6 (16.7%) | Left = 4 (14.8%) |
| Right = 29 (80.6%) | Right = 23 (85.2%) | |
| Ambidextrous = 1 (2.8%) | Ambidextrous = 0 (0%) | |
| Type of Seizures | Generalized = 16 (44.4%) | Generalized = 13 (48.1%) |
| Focal = 20 (55.6%; 9 left, 11 right) | Focal = 14 (51.9%; 10 left, 4 right) | |
| Seizure Focus | Temporal = 4 | Temporal = 5 |
| Frontal = 4 | Frontal = 2 | |
| Parietal = 2 | Parietal = 0 | |
| Occipital = 1 | Occipital = 1 | |
| Multilobar = 9 | Multilobar = 6 |
M = mean; SD = standard deviation