Erratum to: Pflugers Arch - Eur J Physiol (2012) 463:537–548

DOI 10.1007/s00424-011-1061-z

The original publication of this article contains a mistake. On page 538, Methods, “Electrical recording” section, line 11: “A liquid junction potential of -7 mV was compensated…” should be “A liquid junction potential of +7 mV (bath relative to pipette) was compensated…”.