Storage and cataloguing done by FU Berlin Language Science Press has no responsibility for the persistence or accuracy of URLs for external or third-party Internet websites referred to in this publication, and does not guarantee that any content on such websites is, or will remain, accurate or appropriate. Information regarding prices, travel timetables and other factual information given in this work are correct at the time of first publication but Language Science Press does not guarantee the accuracy of such information thereafter. 1.2.1 Modelling perception of speech Research in the relatively young field of perception of speech deals with how listeners represent and process speech, and how they manage to map the variability displayed by the continuous signal onto stable and discrete units (Jusczyk & Luce 2002). As we have seen above, different approaches to this main issue are possible. In abstractionist frameworks, a further line can be drawn between