Making Memories: The Development of Long-Term Visual Knowledge in Children with Visual Agnosia
Table 1
Clinical characteristics for each child*.
L.
G.
R.
Age (years)
12
10
12
(i) at seizure onset/ (ii) at last seizure
0,2/6; 9/still present
6/9,5
6/9,5
Birth and delivery
Hypoglycemia (neonatal convulsions)
Perinatal hypoxia
Uneventful
Visual field
Bilateral inferior quadrantanopia
Right inferior quadrantanopia
Right hemianopia
Interictal EEG abnormalities
Left temporoparietooccipital spikes and slow waves with contralateral spread
Bilateral asynchronous temporoparietooccipital spikes and diffuse spike and wave discharges
Diffuse spikes and waves while awake and diffuse polyspike discharges during sleep, left predominance
Ictal EEG
NA
NA
Diffuse spike discharge with left predominance
Seizure semiology
Unresponsiveness, head deviation to the left, hypotonia, and falls
(a) During sleep: right arm jerks and ocular revulsion (b) While awake: visual hallucinations, pallor, cyanosis, right arm jerks, and head and eye deviation to the right
(a) Amaurosis, abnormal eye movement, and unresponsiveness; (b) Head and eye deviation to the right, stiffening with frequent falls; postictal aphasia
