Postsynaptic Inhibition: Intracellular Effects of Various Ions in Spinal Motoneurons

Science  31 Oct 1969:
Vol. 166, Issue 3905, pp. 625-626
DOI: 10.1126/science.166.3905.625


Long-lasting depolarizing shifts of the electromotive force of post-synaptic inhibition occurred after tracellular injection of ammonium ions, basic amino acids, hydrogen ions, and some bivalent heavy-metal ions. These substances act on specific postsynaptic membrane sites.