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. 2017 Sep 28;140(11):2895–2911. doi: 10.1093/brain/awx241

Table 1.

Summary of patient demographics, clinical features, investigations, seizure localization, and postoperative outcomes

Patient ID Age/ gender Seizure onset age, years Seizure burden Seizure description Interictal EEG Ictal EEG
1 33 F 11 Weekly Behavioural arrest, oral automatisms, dysphasia Left temporal spikes (F7, SP1, T3) Left mid-posterior temporal
2 41 F 13 Weekly Hypermotor seizure from sleep Left temporal spikes (SP1, F7, T3) Unclear, obscured by artefact
3 25 M 5 Daily Dysphasia, right side clonic movements Left fronto-central spikes (F3, C3, Fp1) Left fronto-central
4 33 M 7 Weekly Fear, tachycardia, behavioural arrest Left fronto-temporal spikes (FP1, F7, T3) Left fronto-temporal
5 33 M 29 Weekly Behavioural arrest, dysphasia Bitemporal sharps (max Sp2 and Sp1) Left hemisphere max posterior quadrant
6 42 M 22 Weekly Left head version, secondary GTC Bitemporal spikes right (F8, Sp2, T4) > left (F7, Sp1, T3) Right posterior quadrant
7 40 M 9 Daily Posturing of both upper limbs and dysphasia Midline and left parasagittal spikes Cz, Fz, Pz, P3 Central and left parasagittal
8 26 F 1 Weekly Vocalization, GTC Bitemporal slowing Bifrontal max left frontal
9 22 M 14 Weekly Behavioral arrest, right arm dystonia, oral automatisms Left anterior temporal sharps (max Sp1, F7) Left fronto-temporal
10 20 F 1 Weekly Bimanual automatisms, behavioural arrest Bitemporal spikes right (F8, Sp2, T4) > left (F7, Sp1, T3) Bitemporal, right > left
11 22 F 22 Weekly Behavioural arrest, ictal speech Right temporal slowing and spikes (F8, Sp2, T4) Bilateral max left fronto-temporal
12 58 F 1 Weekly Vocalization, GTC Bitemporal slowing Left fronto-temporal
13 55 M 43 Weekly Manual automatisms, preserved speech Right temporal slowing and spikes (F8, Sp2, T4) Right anterior temporal
14 40 M 11 Monthly Behavioural arrest, right head version, GTC Bifrontal max left spikes (F3, Fp1, Fz) Bifrontal max left frontal
15 21 F 15 Weekly Right head version, GTC Left temporal spikes (Sp1, F7) Left hemisphere max fronto-temporal
16 38 M 34 Monthly Oral and bimanual automatisms, dysphasia Left temporal slowing and spikes (F7, SP1, T3) Left anterior temporal
17 25 F 17 Weekly Vocalization, GTC 3-4 Hz generalized spike, max bifrontal Generalized
18 43 F 22 Daily Behavioural arrest, oral automatisms Right temporal spikes (F8, Sp2, T4) Right hemisphere max temporal
19 30 F 13 Weekly Behavioural arrest, dysphasia Left temporal slowing Left hemisphere max temporal
20 26 M 25 Daily Hypermotor, partially responsive Right frontotemporal spikes (Fp2, F8, F4) Diffuse rhythmic slowing
21 39 F 25 Weekly Staring, right head version, GTC Left temporal spikes (F7, SP1, T3) Left temporal
Patient ID Structural MRI Subtraction SPECT PET Intracranial EEG localization Final presumed SOZ Epilepsy surgery Surgical outcome
1 Left mesial temporal cortical dysplasia Not performed Not performed Not performed Left temporal No N/A
2 Periventricular WMH Right opercular, orbitofrontal Not performed Not performed Right frontal No N/A
3 Normal Left temporal, insula, operculum Not performed Left superior temporal gyrus Left superior temporal gyrus No N/A
4 Normal Left anterior mesial temporal Left anterior mesial temporal Not performed Left insula, anterior temporal No N/A
5 Bilateral subependymal heterotopias max right Bilateral temporal Not performed Bitemporal max left Bilateral temporal max left No N/A
6 Right fat amygdala, occipital cavernoma Right anterior temporal Not performed Not performed Bitemporal right > left No N/A
7 Normal Left temporal, left mesial parasagittal Left temporal lobe and insula Bilateral mesial frontal max left Bilateral mesial frontal left > right No N/A
8 Left frontal cortical dysplasia, WMH Left frontal Left anterior mesial temporal Not performed Left frontal No N/A
9 Normal Left anterior mesial temporal Left anterior mesial temporal Not performed Left mesial temporal, frontal No N/A
10 Postsurgical (right temporal lobectomy) Left posterior temporal Site of previous surgery Not performed Right posterior temporal No N/A
11 Normal Right temporal lobe Right mesial temporal Bilateral mesial temporal Bilateral mesial temporal No N/A
12 Normal Right frontal, left temporal Multiple areas max left parietal Not performed Unclear No N/A
13 Right hippocampal sclerosis Right anterior temporal Not performed Not performed Right mesial temporal Yes Patient expired
14 Bifrontal, max left encephalomalacia Left orbitofrontal, frontal operculum Left hemisphere max frontal Left frontal convexity Left frontal No N/A
15 Postsurgical (right temporal lobectomy) Left temporo-parieto-occipital Site of previous surgery Not performed Left anterior temporal, frontal No N/A
16 Normal Right opercular, right frontal Left anterior temporal Not performed Left anterior temporal Yes Seizure free
17 Normal Right frontal, right insula Left frontal Not performed Generalized No N/A
18 Right hippocampus rounded Right temporal, insula, parietal Right hemisphere max temporal Not performed Right temporal No N/A
19 Left para-hippocampal cortical dysplasia Left temporal Not performed Not performed Left temporal No N/A
20 Punctate right frontal WMH Right temporal, orbitofrontal, operculum Right temporal, orbitofrontal, operculum Not performed Unclear No N/A
21 Bilateral hippocampal atrophy Not performed Left anterior temporal Not performed Left anterior temporal No N/A

GTC = generalized tonic-clonic seizures; WMH = white matter hyperintensity.