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ral lobe seizures.

                                   Typical absences (IGE)

mplicated                          Frequent but rarely
                                   prolonged or complicated
rtial seizures (familial TLE)
ecade                              Positive in up to 40% of patients
                                   Usually syndrome-related
                                   Continuous*
                                   Usually in the morning/after awakening

nd legs. Ipsilateral to the focus  Never
dystonic posture may occur in
                                   As a rule
                                   Typical (but usually syndrome-related, as
                                   in JME and EMA)

                                   Varies (often syndrome-related)
                                   Up to about 2/3 of seizures, rarely
                                   involving trunk or legs

e ictal sequence                   Frequent, bilateral, mainly restricted to
                                   the eyelids or mouth
t, dysphasia if onset from the     Only during absence status
ay occasionally occur              Exceptional
l spikes, or regional slow         Well recognised feature
rsts of spike-wave may occur       Never
ry bilateral synchrony
                                   Generalised spike and wave discharges at
                                   4–2.5 Hz. Focal spikes may occur in up
                                   to 30–40% of traces but they show
                                   frontal topography, and do not disturb
                                   background activity

                                   Generalised onset

be present)                        Normal
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