Table 1.

Full description of the sources

GA/sex	Seizure onset (d)	Semiology (seizure description by author)	Seizure classification	Etiology	EEG
Pisano et al Epilepsia, 2015. N = 7/15
(NA)/female	3rd	Tonic asymmetric	Tonic	KCNQ2 encephalopathy	Burst‐suppressiona
(NA)/female	1st	Tonic asymmetric, apnea	Tonic	KCNQ2 encephalopathy	Burst‐suppressiona
(NA)/male	3rd	Tonic asymmetric	Tonic	KCNQ2 encephalopathy	Focal (temporal)
(NA)/female	1st	Clonic	Clonic	KCNQ2 encephalopathy	Multifocal
(NA)/male	2nd	Tonic and clonic	Sequential (tonic, clonic)	KCNQ2 encephalopathy	Multifocal
(NA)/female	3rd	Tonic asymmetric	Tonic	KCNQ2 encephalopathy	Multifocal
(NA)/male	2nd	Tonic asymmetric	Tonic	KCNQ2 encephalopathy	Multifocal
Dereymaeker et al Eur J Pediatr Neurol, 2015. N = 1/1
Term/female	9th	Clonic movements	Clonic	Transient hypothyroidism/viral encephalitis by HPeV type 3	Multifocal
Cirillo et al Pediatrics, 2015. N = 2/2
Term/female	5th	Myoclonic‐tonic and tonic seizures (rhythmic movements of extremities, eye deviation, oxygen desaturation).	Sequential (myoclonic, tonic, autonomic)	ALDH7A1 heterozygous mutation (c.328C.T; p.R1103)	Multifocal sharp waves
Term/female	21st	Myoclonic jerks of arms and legs and tonic head deviation (tonic)	Sequential (myoclonic, tonic)	ALDH7A1—unknown	Bilateral continuous epileptiform discharges
Machado et al Einstein (São Paulo), 2015. N = 2/11
(NA)/(NA)	9th	Multifocal clonic	Clonic	Left MCA ischemic stroke	Burst‐suppressiona
(NA)/(NA)	1st	Focal clonic	Clonic	Left MCA ischemic stroke	Focal (left temporal)
Raimondi et al BMJ Case Report, 2015. N = 1/1
Preterm/female	1st	Eyelid blinking, hypersalivation with orobuccal rhythmic movements	Sequential (automatisms, autonomic)	Pyridoxal 5‐phosphate deficiency, PNPO mutation	Burst suppression (background pattern)
Nascimento et al Pediatr Neurol, 2015. N = 1/1
Preterm/male	20th	Crying, conjugate eye deviation to the right, myoclonus of the left eyelid, followed by chewing episodes with sialorrhea	Sequential (tonic, myoclonic, automatisms)	β‐oxidation defect from a D‐bifunctional protein deficiency	Multifocal
Fukasawa et al Am J Med Gent A, 2015. N = 2/7
Preterm/male	28th	Apnea and tachycardia, sometimes followed by tonic posturing	Sequential (autonomic, tonic)	Trisomy 18	Rhythmic spikes and slow waves of 2‐3 Hz from the right temporal‐occipital region
Term/female	2nd	Apnea	Autonomic	Trisomy 18	Rhythmic spikes and slow waves of 1‐2 Hz from the right temporal‐rolandic‐occipital region
Guerin et al J Child Neurol, 2015. N = 1/1
Preterm/female	1st	Fragmentary and generalized myoclonic jerks	Myoclonic	Pyridox(am)ine‐5‐phosphate oxidase deficiency	Burst‐suppression (background pattern)
Spagnoli et al J Child Neurol, 2015. N = 2/2
Preterm/male	5th	Multifocal clonic	Clonic	IVH grade III with posthemorrhagic hydrocephalus	Multifocal discharges, alpha‐beta range, left centrotemporal or posterior emphasis, less frequently with a right temporal onset
Preterm/female	30th	Clonic events	Clonic	IVH with posthemorrhagic hydrocephalus	Low‐voltage alpha‐beta activity over the anterior regions, mainly expressed over the right
Paddock et al J Neonatal Perinatal Med, 2014. N = 1/1
Term/female	1st	Clonic (right hand and leg)	Clonic	Left MCA ischemic stroke	Focal spikes left hemisphere (aEEG)
Saitsu et al J Hum Genet, 2014. N = 2/2 (siblings)
Term/female	7th	Focal clonic followed by generalized tonic‐clonic	Sequential (clonic, tonic)	Ohtahara (BRAT1 mutation)	Burst‐suppression (background pattern)
Term/female	1st	Generalized myoclonic seizures and partial clonic, after tonic and apnea	Sequential (myoclonic, clonic, tonic, autonomic)	Ohtahara	Burst‐suppression (background pattern)
Ito et al J Perinatol, 2014. N = 1/1
Term/female	1st	Deviation of eyeballs, nystagmus, twitching of the eyelids, tonic or clonic activities of the limbs or apnea	Sequential (tonic, autonomic)	Holoprosencephaly	Low‐voltage fast rhythms followed by slow waves of increasing amplitude C3‐C4 (aEEG)
Allen et al Epilepsia, 2014. N = 3/3
Term/female	4th	Mainly clonic, but also tonic, minor cyanosis	Sequential (clonic, tonic, autonomic)	BFNS‐KCNQ2c.419_430dup	Bilateral independent high‐amplitude sharp waves of 1 Hz, normal background
Term/female	6th	Clonic	Clonic	BFNS‐KCNQ3 c.989G>A	Excessive sharp waves, normal background
Term/male	1st	Tonic arm and trunk with cyanosis, grunting and duskiness followed by apnea and hypoxia	Sequential (tonic, autonomic)	KCNQ2‐.881C>T encephalopathy	Ictal pattern: focal recruiting rhythm right parietal region Interictal: multifocal discharges, followed by background attenuation
Low et al PLoS ONE, 2014. N = 9/9
Term/male	1st	Clonic right arm	Clonic	Left MCA ischemic stroke	Focal spikes, left central
Term/male	2nd	Dusky episodes	Autonomic	Left MCA ischemic stroke	Focal spikes. left central
Term/male	1st	Clonic left side	Clonic	Right MCA ischemic stroke	Focal spikes, right central
Term/female	1st	Clonic right side	Clonic	Right/left MCA ischemic stroke	Focal spikes, polyspikes left central
Term/female	2nd	Clonic left leg	Clonic	Right MCA ischemic stroke	Focal spikes, polyspikes right central
Term/female	2nd	Clonic right side	Clonic	Left MCA ischemic stroke	Focal spikes, left central
Term/male	1st	Clonic right arm	Clonic	Left MCA ischemic stroke	Focal spikes, left central
Term/male	1st	Clonic right arm	Clonic	Right/left MCA ischemic stroke	Focal spikes, polyspikes left central
Term/male	2nd	Clonic left leg	Clonic	Right MCA ischemic stroke	Focal spikes, polyspikes right central
Pariani et al Pediatr Infect Dis J, 2014. N = 1/2
Term/female	9th	Myoclonic seizures, apnea and staring	Sequential (myoclonic, autonomic, behavioral arrest)	Parechovirus 3 encephalitis	Paroxysmal activity in the left and right hemisphere
Zerem et al Eur J Paediatr Neurol, 2014. N = 2/2
Term/male	1st	General tonic extension, cry and usually desaturation	Sequential (tonic, autonomic)	SCN2A mutation (Ohtahara)	Burst‐suppression (background pattern)
Term/male	1st	Tonic seizure, eye deviation, bradycardia	Sequential (tonic, autonomic)	SCN2A mutation (Ohtahara)	Ictal: focal discharges right frontal region Interictal: Burst‐suppression background
Ansary et al Singapore Med J, 2014. N = 1/1
Preterm/female	2nd	Multifocal myoclonic (both arms and legs)	Myoclonic	Venlafaxine withdrawal	Focal sharp waves (aEEG)
Kharoshankaya et al Dev Med Child Neurol, 2014. N = 1/1
Term/male	1st	Clonic (right arm and leg) associated with mouthing and cyanosis	Sequential (clonic, automatisms)	Thalamic infarction	Low voltage (<10 μv) focal left‐sided biphasic spike‐wave discharges
Fong et al Pediatr Infect Dis J, 2014. N = 1/1
Term/female	13th	Focal clonic arm	Clonic	Herpes simplex virus type 1	Focal epileptiform discharges over the midline‐vertex and right frontal‐midline regions
Numis et al Neurology, 2014, N = 3/3
Preterm/NA	4th day	Tonic head, conjugate eye, and mouth deviation, unilateral tonic abduction of the limbs, apnea, and desaturation	Sequential (tonic, autonomic)	KCNQ2 epileptic encephalopathy	Low‐voltage fast activity followed by recruiting spikes or theta rhythms arising mainly from the central regions of either hemisphere, followed by focal spike‐wave complexes and prolonged focal or diffuse postictal suppression
Term/NA	1st day	Tonic head, conjugate eye, and mouth deviation, unilateral tonic abduction of the limbs, apnea, and desaturation	Sequential (tonic, autonomic)	KCNQ2 epileptic encephalopathy	Focal low‐voltage fast activity followed by rhythmic theta rhythm from the fronto central region of both hemispheres, alternatively followed by diffuse marked postictal suppression lasting up to 8 minutes
Term/NA	1st day	Tonic head, conjugate eye, and mouth deviation, unilateral tonic abduction of the limbs, apnea, and desaturation	Sequential (tonic, autonomic)	KCNQ2 epileptic encephalopathy	Low‐voltage fast activity followed by focal theta rhythms involving the right or left hemisphere
Porri et al Neuropediatrics, 2014. N = 1/1
Preterm/male	1st	Erratic myoclonic jerks involving all four extremities	Myoclonic	Pyridoxal‐5′‐Phosphate Oxidase Deficiency	Burst‐suppression (ictal)
Khajeh et al J Child Neurol, 2014. N = 1/1
Term/female	1st	Apnea	Autonomic	Polymicrogyria left temporal and frontal lobes	Left temporal 9‐10 Hz activity, evolving into 2‐ to 3‐Hz sharp and slow‐wave activity
Weckhuysen et al Neurology, 2013. N = 11/11
(NA)/female	1st	Tonic asymmetrical with apnea, bradycardia and desaturation, continuous complex movements of legs	Sequential (tonic, autonomic, clonic or automatisms)	KCNQ2 mutation	Burst‐suppressiona
(NA)/female	2nd	Apnea, erratic myoclonic and tonic contraction	Sequential (autonomic, myoclonic, tonic)	KCNQ2 mutation	Burst‐suppressiona
(NA)/male	2nd	Tonic generalized	Tonic	KCNQ2 mutation	Burst‐suppressiona
(NA)/male	1st	Tonic generalized with apnea, grimacing, followed by mastication and sialorrhea	Sequential (tonic, autonomic)	KCNQ2 mutation	Burst‐suppressiona
(NA)/male	2nd	Tonic with pursing of lips, clenching of eyes and cyanosis, sometimes eye deviation and flickering of eyeballs	Sequential (tonic, automatism, autonomic)	KCNQ2 mutation	Burst‐suppressiona
(NA)/female	2nd	Tonic asymmetrical with sucking movements of mouth	Sequential (tonic, automatism)	KCNQ2 mutation	Burst‐suppressiona
(NA)/female	1st	Tonic asymmetrical with apnea	Tonic	KCNQ2 mutation	Multifocal
(NA)/male	1st	Tonic asymmetrical with apnea	Tonic	KCNQ2 mutation	Focal evolving to multifocal
(NA)/female	3rd	Tonic asymmetrical followed by hemiclonic	Sequential (tonic, clonic)	KCNQ2 mutation	Multifocal
(NA)/female	1st	Tonic generalized	Tonic	KCNQ2 mutation	Focal spike waves
(NA)/female	2nd	Tonic asymmetrical and apnea	Tonic	KCNQ2 mutation	Bilateral spikes
Borkenhagen et al Pediatr Neurol, 2013. N = 1/1 OK
Term/female	5th	Clonic right foot, with subsequent multifocal clonic (arms and legs independently)	Clonic	Hypocalcemia	High‐voltage, rhythmic spike‐wave discharges, left vertex region with spread into the left posterior temporal, left parietal, and right parietal regions.
Serino et al Epileptic Disord, 2013. N = 1/1
Term/male	3rd day	Focal, tonic seizures with head deviation, asynchronous and asymmetrical clonic jerks, eyelid myoclonias, and polypnea	Sequential (tonic, clonic)	KCNQ2 epileptic encephalopathy	Focal, low‐voltage, fast activity, followed by recruiting theta rhythms and bilateral, focal, spike‐wave complexes, alternatively localized to one hemisphere and subsequently diffusing to the other
Mihl et al Orphanet J Rare Dis, 2013. N = 16/16
Term/(NA)	1st	Clonic and tonic	Sequential (clonic, tonic)	KCNQ2 mutations	Burst‐suppressiona
Preterm/(NA)	15th	Myoclonic	Myoclonic	KCNQ2 mutations	Periods of flatnessa
Term/(NA)	3rd	Tonic, pallor 2	Tonic	KCNQ2 mutations	Burst‐suppressiona
Term/(NA)	2nd	Tonic and hypotonic. Epileptic spasms	Sequential (tonic, epileptic spasms)	KCNQ2 mutations	Burst‐suppressiona
Term/(NA)	2nd	Tonic and tonic‐clonic, cyanosis	Sequential (tonic, clonic, autonomic)	KCNQ2 mutations	Generalized spikes predominating on the left hemisphere followed by suppression burst. a
Term/(NA)	2nd	Left and right clonic jerks, facial cyanosis.	Clonic	KCNQ2 mutations	Burst‐suppressiona
Term/(NA)	1st	Isolated cyanosis, than recurrent hypertonic posture	Sequential (autonomic, tonic)	KCNQ2 mutations	Burst‐suppressiona
(NA)/(NA)	1st	Tonic asymmetric.	Tonic	KCNQ2 mutations	Bursts of multifocal spikes .
Term/(NA)	3rd	Tonic	Tonic	KCNQ2 mutations	Burst‐suppressiona
Term/(NA)	1st	Tonic and/or clonic	Sequential (tonic, clonic)	KCNQ2 mutations	Burst of asynchronous spikes and sharp waves. Periods of discontinuity with flatness no typical burst suppression
Term/(NA)	1st	Tonic and cyanosis	Tonic	KCNQ2 mutations	Left or right spikes on a moderately abnormal background
Term/(NA)	4th	Asymmetric tonic extension of one limb. Bilateral clonic seizures. Apnea.	Sequential (tonic, clonic, autonomic)	KCNQ2 mutations	Burst‐suppressiona
Term/(NA)	4th	Clonic hemi corporeal, left or right	Clonic	KCNQ2 mutations	Prolonged periods of flatness. Discontinuous.a
Term/(NA)	1st	Tonic	Tonic	KCNQ2 mutations	Multifocal slow waves, left frontal and right occipital spikes. Asymmetrical suppression‐burst
Preterm/(NA)	8th	Myoclonic	Myoclonic	KCNQ2 mutations	Burst‐suppressiona
Term/(NA)	2nd	Bilateral tonic clonic and right clonic	Sequential (tonic, clonic)	KCNQ2 mutations	Slow waves with asynchronous bilateral spikes and intermittent flattening
Tanriverdi et al Brain Dev, 2013. N = 1/1
Term/female	20th day	Focal seizures followed by generalization	Sequential (no specific description)	Sturge‐Weber	Isolated sharp spike‐wave discharges at parietal right hemisphere and at the frontotemporal areas of left hemisphere
Kato et al Epilepsia, 2013. N = 12/12
(NA)/female	1st	Tonic, eye deviation	Tonic	KCNQ2 mutation	Burst‐suppression, asymmetric a
(NA)/male	3rd	Tonic	Tonic	KCNQ2 mutation	Multifocal sharp waves
(NA)/male	5th	Left sided tonic	Tonic	KCNQ2 mutation	Burst‐suppression, brief suppression a
(NA)female	2nd	Tonic	Tonic	KCNQ2 mutation	Burst‐suppression, asymmetric a
(NA)/male	1st	Tonic	Tonic	KCNQ2 mutation	Burst‐suppression, brief suppression a
(NA)/male	30th	Asymmetric tonic	Tonic	KCNQ2 mutation	Burst‐suppressiona
(NA)/male	14th	Tonic	Tonic	KCNQ2 mutation	Burst‐suppression, asymmetric a
(NA)/male	2nd	Tonic	Tonic	KCNQ2 mutation	Burst‐suppression, brief suppression a
(NA)/female	2nd	Tonic	Tonic	KCNQ2 mutation	Burst‐suppression, like hypsarrhythmia a
(NA)/female	14th	Generalized tonic	Tonic	KCNQ2 mutation	Burst‐suppression, brief suppression a
(NA)/male	1st	Postural tonic	Tonic	KCNQ2 mutation	Burst‐suppressiona
(NA)/female	3rd	Tonic, facial clonic	Sequential (tonic, clonic)	KCNQ2 mutation	Burst‐suppression, asymmetric a
Simoneti et al Epilepsia, 2012. N = 2/2
Term/female	1st	Unusual cry, wide opening of the eyes, flushing, and bulbar and head deviation to the right	Sequential (autonomic, tonic)	Duplication of the sodium channel gene cluster on 2q24 5.1	Right centrotemporal, also bicentral, slow, repetitive spike wave activity, followed by background slowing.
Term/female	3rd	Focal tonic, multifocal clonic seizures, starts with central cyanosis and head deviation	Sequential (autonomic, tonic, clonic)	Duplication of the sodium channel gene cluster on 2q24	Generalized suppression of the background activity, followed by sharp and slow waves, secondarily generalizing.
Riesgo et al Neuropediatrics, 2012. N = 3/3
Preterm/male	10th	Apnea and desaturation	Autonomic	Undetermined	Focal rhythmic activity on the left temporal region.
Preterm/female	22nd	Apnea	Autonomic	Periventricular leukomalacia	Multifocal paroxysms occurred mainly in the right temporal region
Preterm/female	2nd	Apnea, clonic upper limbs	Sequential (autonomic, clonic)	Undetermined 7.0	Multifocal paroxysms and EEG seizures in both hemispheres mainly at left temporal region
Cusmai et al Eur J Pediatr Neurol, 2012. N = 3/3
Term/female	2nd	Myoclonic seizures and epileptic tonic spasms.	Myoclonic	Nonketotic hyperglycinemia	Burst‐suppression (background pattern)
Term/male	2nd	Myoclonic jerks and infantile spasms	Myoclonic	Nonketotic hyperglycinemia	Burst‐suppression (background pattern)
Term/male	1st	Myoclonic jerks and tonic spasms	Myoclonic	Nonketotic hyperglycinemia	Burst‐suppression (background pattern)
Vatta et al J Child Neurol, 2012. N = 1/1
Term/male	14th day	Opening of the eyes followed by body stiffening and breathing difficulties, clonic right arm	Sequential (tonic, autonomic, clonic)	STXBP1 mutation 5.3	Focal discharges, left central region, alpha/theta range
Weckhuysen et al Ann Neurol, 2012. N = 6/8
(NA)/female	2nd day	Apnea, generalized stiffening with facial suffusion, followed by pallor and cyanosis	Sequential (autonomic, tonic)	KCNQ2 epileptic encephalopathy	Continuous multifocal and bilaterally synchronous epileptiform activity.
(NA)/female	3rd day	Stiffening, head and eye deviation and tonic posturing	Sequential (autonomic, tonic)	KCNQ2 epileptic encephalopathy	Centroparietal ictal rhythm evolving to high‐voltage slowing (right‐sided in 2 seizures and left‐sided in 1)
(NA)/male	2nd day	Generalized tonic with clonic components, lip smacking, back arching, apnea	Sequential (tonic, clonic, automatism, autonomic)	KCNQ2 epileptic encephalopathy	Multifocal epileptic activity most frequently seen in left temporal and right frontal regions.
(NA)/female	3rd day	Tonic seizure, followed by myoclonic jerks and nystagmus	Sequential (tonic, myoclonic)	KCNQ2 epileptic encephalopathy	Burst‐suppressiona
(NA)/male	3rd day	Tonic extension with clonic movements left hemicorpus and eyelid myoclonia	Sequential (tonic, myoclonic)	KCNQ2 epileptic encephalopathy	Burst‐suppressiona
(NA)/female	2nd day	Tonic extension, high pitch cry, cyanosis and bradypnea, eventually with myoclonias (arms)	Sequential (tonic, myoclonic, autonomic)	KCNQ2 epileptic encephalopathy	Burst‐suppressiona
Blumkin et al Eur J Pediatr Neurol, 2012. N = 1/1
Term/male	2nd	Multifocal clonic	Clonic	KCNQ2 mutation	Generalized spike and wave (2‐2.5 Hz) with phase reversal in the rolandic area bilaterally.
Castro‐ Conde et al Pediatrics, 2012. N = 2/2
Term/male	1st day	Eye opening, tachycardia, tonic eye deviation to the left, slow blinking, mouth movements, right arm abduction with clenched fist and eye deviation to the right followed by apnea	Sequential (autonomic, automatisms, tonic)	Ischemic stroke	Rhythmic sharp waves left temporal followed by generalized background suppression
Term/female	2nd day	Apnea	Autonomic	Unknown	Focal occipital discharges
Hirata et al Neuropediatrics, 2011. N = 1/1
Term/female	16th	Clonic seizures right arm and leg	Clonic	Coxsackie B2 Meningoencephalitis	Multifocal spikes
Milh et al Epilepsia, 2011. N = 4/5
(NA)/(NA)	1st	Clonic asynchronous	Clonic	STXBP1 (MUNC18‐1) mutations	Burst‐suppressiona
(NA)/(NA)	1st	Clonic asynchronous	Clonic	STXBP1 (MUNC18‐1) mutations	Burst‐suppressiona
(NA)/(NA)	3rd	Epileptic spasms	Epileptic spasms	STXBP1 (MUNC18‐1) mutations	Burst‐suppressiona
(NA)/(NA)	1st	Epileptic spasms	Epileptic spasms	STXBP1 (MUNC18‐1) mutations	Burst‐suppressiona
Walsh et al Dev Med Child Neurol, 2011. N = 1/1
Term/female	1st to 2nd day	Lip smacking and tonic‐clonic	Sequential (automatisms, tonic, clonic)	Ischemic stroke	Bursts sharp waves left hemisphere
Millet et al Eur J Pediatr Neurol, 2011. N = 1/1
Term/male	1st	Clonic	Clonic	Pyridoxine‐dependent epilepsy with mutation in the ALDH7A1 gene	Rhythmic spikes that predominated in the right or left hemisphere, in the temporal region. Burst‐suppression background
Heron et al Epilepsia, 2010. N = 1/1 ok
Term/male	4th day	Myoclonic	Myoclonic	QT prolongation mutation in SCN5A c.4868G>A (p.R1623Q)	Bilateral rhythmic epileptic discharges predominantly posterior (O1 and O2) with a right‐sided emphasis.
Gibson & Bharti. Tenn Med, 2010. N = 2/2 ok
Term/female	1st	Focal clonic left leg	Clonic	Left MCA ischemic stroke	Rhythmic discharges left temporal spreading to frontal/central regions
Term/female	1st	Focal tonic clonic, smacking lips, tongue deviation	Sequential (tonic, clonic, automatisms)	Right MCA ischemic stroke	Multifocal sharp waves
Schmitt et al Dev Med Child Neurol, 2010. N = 1/5 ok
Term/female	7th	Focal clonic	Clonic	Pyridoxine‐dependent epilepsy	Central spikes
Okumura et al Brain Dev, 2008. N = 3/9 ok
Preterm/male	25th day	Autonomic 7	Autonomic	Severe hypotension hyperkalemia	Right temporal rhythmic slow voltage spikes
Preterm/female	1st day	Apnea	Autonomic	Neonatal encephalopathy	Rhythmic spikes, right temporal
Preterm/female	1st day	Apnea	Autonomic	Subarachnoid hemorrhage	Rhythmic spikes, left temporal
Nunes et al Arq Neuropsiquiatr (São Paulo), 2008. N = 6/101
Term/female	4th day	Clonic left arm, after left leg, chewing movements	Sequential (clonic, automatisms)	Benign familial neonatal seizures	Rhythmic discharges theta range right central and temporal with propagation to left central
Term/male	1st day	Multifocal clonic	Clonic	Hypoxic‐ischemic encephalopathy	Rhythmic spikes, right temporal and rolandic
Term/male	2nd day	Clonic left arm and face	Clonic	Abstinence	Rhythmic discharges, right occipital
Term/female	2nd day	Clonic focal left arm	Clonic	Right MCA ischemic infarct	Rhythmic spike and slow wave right rolandic, with propagation to right frontal
Term/female	2nd day	Apnea	Autonomic	Hypoxic‐ischemic encephalopathy	Rhythmic discharges, left occipital
Term/female	1st day	Clonic focal right arm, blinking right eye	Clonic	Left MCA ischemic infarct	Rhythmic discharges, delta range, left rolandic
Kubota et al Brain Dev, 2008. N = 1/1ok
Term/female	2nd day	Clonic left side, with open eyes deviating to the left, and automatism around the mouth	Sequential (clonic, tonic, automatism)	Hypoxic‐ischemic encephalopathy	Semi‐rhythmic, repetitive spikes predominantly in the right central region
Shah et al N Engl J Med, 2008. N = 1/1
Term/female	1st	Apnea	Autonomic	Left MCA ischemic stroke	Sharp waves left temporal
Vecchi et al Epileptic Dis, 2007. N = 1/1
Preterm/male	7th	Behavioral arrest, staring, apnea, deviation of the head and the eyes to the right, dystonic posture of the left hand and bilateral, automatic hand movements	Sequential (behavior arrest, autonomic, tonic)	Undetermined	Rapid rhythms of low voltage in the right temporal region followed by theta rhythmic activity and rhythmical sharp and wave complexes
Gorman & Soul. Pediatr Neurol, 2007. N = 1/1
Term/male	3 rd	Tonic‐clonic	Sequential (tonic, clonic)	Hypocalcemia	Left central and vertex sharp waves that spread to right side
Sirsi et al Pediatr Neurol, 2007.N = 3/3
Term/male	1st	Apnea, conjugate eye deviation to the right, focal clonic (right‐arm)	Sequential (autonomic, tonic, clonic)	Hemorrhage (left temporal lobe)	Left temporal sharp rhythmic delta activity, evolving into alpha with admixed theta sharp and slow‐wave
Term/male	1st	Apnea	Autonomic	Intraparenchymal hemorrhage (right temporal) and subdural (right tentorium) hematoma	Focal activity (right hemisphere)
Term/male	1st day	Apnea	Autonomic	Right temporal hemorrhagic infarct	Right temporal rhythmic spike and wave activity
Lin et al Arq Neuropsiquiatr (São Paulo), 2007. N = 1/1
Term/female	1st	Focal myoclonic left arm and leg) tonic eye and head deviation to the right, eyelid blinking and oromandibular movements	Sequential (myoclonic, tonic, autonomic)	Pyridoxine‐dependent epilepsy	High‐voltage spike and polyspike‐wave complexes lateralized to the right cerebral hemisphere
Hmaimess et al Pediatr Neurol, 2007. N = 1/1
Term/male	1st	Lateral deviation of the head and eyes, fixed sight, clonic jerks on one side of the body followed by clonic jerks of the other side	Sequential (tonic, clonic)	Malignant migrating partial seizures (etiology unknown)	Low‐voltage fast right central and occipital activity (9‐10 Hz), anterior ipsilateral flattening, followed by increased amplitude and slowing to theta and delta rhythmic activity left side
Spinosa et al Arq Neuropsiquiatr (São Paulo), 2006. N = 1/1
Term/male	1st	Focal clonic (right hemiface and arm)	Clonic	X‐linked lissencephaly with ambiguous genitalia (XLAG)	Right midtemporal, central and occipital discharges
Cherian et al Clin EEG Neurosci, 2006. N = 1/1
Term/(NA)	(NA)	Nystagmoid movements	Automatism	Hypoxic‐ischemic encephalopathy	Focal bilateral occipital discharges
Schmitt et al Epileptic Res, 2005. N = 6/6
Term/(NA)	1st day	Tonic followed by asymmetric clonic	Sequential (tonic, clonic)	Pyridoxine‐ dependent seizures	Bilateral synchronous spike‐wave discharges followed by suppression
Term/(NA)	1st day	Multifocal myoclonic jerks, intermittent tonic posturing or spasms, eye deviations and abnormal oral and mimic movements	Sequential (myoclonic, tonic, epileptic spasms, automatisms)	Pyridoxine‐ dependent seizures	Voltage suppression in EEG followed by bilateral synchronous spike‐wave discharges
Term/female	1st day	Tonic clonic‐myoclonic seizures	Sequential (tonic, clonic, myoclonic)	Undetermined	Rhythmic and sharp activity alternated from both hemispheres
Term/male	1st day	Tonic‐clonic	Sequential (tonic, clonic)	KCNQ2	Voltage suppression, bilateral rhythmic alpha discharges
Term/female	1st day	Slow dystonic movements followed by focal clonic on right arm and leg	Sequential (tonic, clonic)	Undetermined	Voltage suppression rhythmic and sharp left hemisphere
Term/male	8th day	Tonic clonic	Sequential (tonic, clonic)	Undetermined	Multifocal
Al‐Futaisi et al Clin Neurophysiol, 2005. N = 1/1
Term/female	5 days	Tonic spasms	Epileptic spasms	EIEE (etiology unknown)	Burst‐suppression (ictal)
Schulzke et al J Perinatal Med, 2005. N = 6/9
Preterm/male	1st	Focal clonic	Clonic	Left MCA ischemic stroke	Focal left discharges
Term/male	1st	Apnea plus tonic and clonic	Sequential (autonomic, tonic, clonic)	Hemorrhage (left parietooccipital region)	Focal left discharges
Term/female	1st	Apnea plus tonic and clonic	Sequential (autonomic, tonic, clonic)	Left MCA ischemic stroke	PLEDS left
Term/female	2nd	Focal clonic	Clonic	Left MCA ischemic stroke	Focal left discharges
Term/male	3rd	Focal clonic	Clonic	Left MCA ischemic stroke	Focal left discharges and sharp/slow waves right
Term/female	2nd	Focal clonic	Clonic	Left MCA ischemic stroke	Focal left discharges
Tramonte & Goodkin. J Perinatol, 2004. N = 1/1
Term/male	1st	Apnea	Autonomic	Intraparenchymal hemorrhage (right temporal)	Sharply contoured alpha activity evolving into periodic sharp and slow wave activity followed by rhythmic delta activity, right centrotemporal

AED, antiepileptic drug; EIEE, early infantile epileptic encephalopathy; GA, gestational age, seizure onset expressed in days of life; IVH, intraventricular hemorrhage; LMCA, left middle cerebral artery; N, number of patients included/number of patients available in the study; PLEDs, pseudoperiodic epileptiform discharges; RMCA, right middle cerebral artery; (NA), not available. In this table we have maintained the description of seizure semiology and EEG findings as it is cited in the original article.

^aIndicates when burst‐suppression was not clearly defined as ictal or interictal pattern/background abnormality.