Quinn AJAndrew JQuinnhttps://orcid.org/0000-0003-2267-9897Lopes-Dos-Santos VVítorLopes-Dos-Santoshttps://orcid.org/0000-0002-1858-0125Nobre ACAnnaNobrehttps://orcid.org/0000-0001-5762-2802Dupret DDavidDuprethttps://orcid.org/0000-0002-0040-1766Woolrich MMarkWoolrichhttps://orcid.org/0000-0001-8460-8854Instantaneous frequency profiles of theta cyclesUniversity of Oxford20212021en10.21105/joss.02977Creative Commons Attribution Share Alike 4.0 InternationalBiotechnology and Biological Sciences Research Council, UKRIBB/N002547/1Medical Research Council, UKRIMC_UU_12024/3Medical Research Council, UKRIMC_UU_00003/4