TABLE 1.

The composition of recording solutions for electrophysiology

	Internal			External
	A	B	C	A	B	C	D	E
NaCl				140	140
NaOH	150	150	158	a	a	150	150	150
KCl				5	5
NMDG
HCl	a	a	a			a	a
MgCl2	1	1	1	1	1
CaCl2				2			10	0.1
BaCl2					2
HEPES	10	10	10	10	10	10	10	10
EGTA	5	5	5			10
Glucose				10	10
Na2-ATP		4

^a pH was adjusted to 7.4 by using the chemical indicated.