Startle response and its prepulse modification in health and under different psychopathologies: Could we find any specific patterns?

Table 4 Summary of studies on prepulse inhibition and prepulse facilitation in the cohorts of participants with obsessive-compulsive disorder, mean ± SD

Ref.	Groups (group size)	Mean age	Side of recording	Lead interval, ms	PPI	PPF
Hoenig et al[93]	OCD (34)/Contr (33)	31.5 ± 1.6	Right	120	OCD < Contr	NA
Swerdlow et al[94]	OCD (34)/Contr (33)	36.2 ± 2.1	Right	100	OCD < Contr	NA
de Leeuw et al[95]	Unmedicated OCD (25)/Contr (25)	32 ± 7.4	Right	100	No difference	NA
Ahmari et al[96]	Unmedicated OCD (22)/Contr (22)	31 ± 6.3	Right	100	OCD < Contr	NA
Schleyken et al[97]	Treatment refractory OCD (15)/Contr (21)	20-64 (range)	Right	60, 120, 200	No difference	NA
Steinman et al[98]	Unmedicated OCD (45)/Contr (62)	28.2 ± 4.3	Right	120	OCD < Contr (in female only)	NA

PPI: Prepulse inhibition; PPF: Prepulse facilitation; Contr: Healthy control; NA: Not applicable; OCD: Obsessive-compulsive disorder.