Table 2.

Summary of abnormal electrophysiological findings in proband with PRNP Q160X^*

	Latency (ms)	Amplitude (mV)	Conduction velocity (m/s)	F-wave latency (ms)
Motor nerve conduction studies
Left peroneal to EDB	9.8 (<6.0)	0.4 (>2.0)	28 (>38)	Absent (<56)
Right peroneal to EDB	4.7 (<6.0)	2.7 (>2.0)	42 (>38)	Absent (<56)
Left tibial	6.0 (<6.5)	8.7 (>3.0)	36 (>41)	51.5 (<56)
Left ulnar	2.8 (<3.7)	9.3 (>5.0)	43 (>50)	30.9 (<31)
	Peak latency (ms)	Amplitude (μV)	Conduction velocity (m/s)
Sensory nerve conduction studies
Left sural	4.6 <(4.8)	3 (>6)	40 (>42)
Right sural	none (<4.8)	none (>6)	− (>42)
Left superficial peroneal	3.7 (<4.6)	4 (>4)	38 (>42)
Right superficial peroneal	none (<4.6)	none (>4)	− (>42)

^*normal values appear in parentheses.