Table 2.

Classification of neuronal responses during interictal discharge

Class	Number of units	Modulated neurons (%)	Patients represented (%)	Pre-IID (−500 to −200 ms)	Pre-IID (−200 to −35 ms)	IID (−35 to 35 ms)	Slow wave (35 to 200 ms)	Post-slow wave (200 to 500 ms)
1	57	36.1	60	–	–	–	↓	–
2	24	15.2	50	–	–	↑	–	–
3	14	8.9	35	–	–	↑	↓	–
4	13	8.2	5	–	–	–	↑	–
5	8	5.1	20	–	–	↓	↓	–
6	5	3.2	20	–	↓	↑	↓	–
7	4	2.5	15	–	↑	–	↓	–
8	4	2.5	10	–	↓	–	↓	–
9	3	1.9	10	↑	–	–	–	–
10	3	1.9	5	↑	–	–	↓	–
11	3	1.9	5	–	–	–	↓	↓
12	2	1.3	10	–	↑	–	↑	–
13	2	1.3	5	–	–	–	–	↑
14	2	1.3	10	–	–	↑	↓	↓
15	2	1.3	10	–	↓	↑	↓	↓
16	2	1.3	10	–	–	↑	↑	–

Arrows indicate a significant change in firing during the selected time period as defined in the ‘Materials and methods’ section. IID = interictal discharge.