Table 1.

Summary of clinical features of the sCJD MM1+2C cases

	Case #1	Case #2
Gender	Male	Female
Age at onset (years)	68	66
Initial symptom	Progressive dementia	Progressive dementia
Myoclonus (months)*	1	6
Akinetic mutism (months)*	2	10
PSWCs on EEG (months)*	1	10
Duration of illness (months)	2	44

*Duration until the appearance of myoclonus, akinetic mutism or PSWCs on EEG from onset.

Abbreviations: PSWC = periodic sharp‐wave complex; EEG = electroencephalogram.