Table 1.

Peak values of Power Density (µV²/Hz) averaged from OP recorded from a series of animals injected with different agents. All OP traces were recorded under dark adaptation to light stimuli of 15 cd·s·m⁻².

	APB		GABA		Bicuculline		TPMPA		Glutamate		DNQX		Glycine		Strychnine		HEPES
	(25 mM)		(100 mM)		(10 mM)		(25 mM)		(100 mM)		(30 mM)		(10 mM)		(25 mM)		(25 mM)
	LE	RE	LE	RE	LE	RE	LE	RE	LE	RE	LE	RE	LE	RE	LE	RE	LE	RE
mean	4.10	0.00	4.67	0.00	4.26	2.30	4.10	4.03	4.06	0.00	3.90	0.00	3.94	1.88	4.50	2.00	4.28	1.63
SD	0.28	0.00	0.88	0.00	0.33	0.61	0.28	0.21	0.33	0.00	0.28	0.00	0.17	0.45	0.85	1.05	0.57	1.12
n	6		6		6		6		6		6		4		6		4
p	<0.001		<0.001		<0.001		0.285		<0.001		<0.001		0.003		<0.001		0.023

LE: Left Eye; RE: Right Eye; n: number of animals; p: statistical significance—Student’s t-test.