Running head: Ear-protectors and heartbeat tracking Noise-Dampening Ear-Protectors improve performance on the heartbeat tracking task, but do not necessarily enhance interoception. Jennifer Todd, Farah Hina, & Jane E. Aspell School of Psychology and Sport Science, Anglia Ruskin University, Cambridge, UK Abstract Word Count: 198 Manuscript Word Count: 3491 Tables and Figures: 1 Declarations of interest: none Address correspondence to: Miss Jennifer Todd, School of Psychology and Sport Science, Anglia Ruskin, University, East Road, Cambridge, Cambridgeshire, CB1 1PT, UK. Email: jenny.todd@pgr.anglia.ac.uk. not certified by peer review) is the author/funder. All rights reserved. No reuse allowed without permission. The copyright holder for this preprint (which was this version posted November 4, 2019. . https://doi.org/10.1101/830141 doi: bioRxiv preprint