AUTHOR=Smythies John TITLE=Off the beaten track: the molecular structure of long-term memory: three novel hypotheses—electrical, chemical and anatomical (allosteric) JOURNAL=Frontiers in Integrative Neuroscience VOLUME=9 YEAR=2015 URL=https://www.frontiersin.org/journals/integrative-neuroscience/articles/10.3389/fnint.2015.00004 DOI=10.3389/fnint.2015.00004 ISSN=1662-5145