Critically Evaluate Theoretical Models of Speech Perception

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Critically evaluate theoretical models of speech perception How does the listener correctly recognise the intended message in spoken language? Speech perception has been found to be a complex behaviour model. This essay analyses the COHORT model which offers an explanation for how information can be accessed in parallel. It proposes a method for how listeners are able to decode the encoding that is caused by coarticulation. COHORT has several issues and so the essay presents the TRACE model which attempts to overcome some of the flaws. Trace demonstrates that dynamic working memory can be integrated into an interactive activation model. This offers a way of recognizing non- words as well explaining that specific types of information can be stored in the lexicon. Cooper et al. (1952) provided groundwork for what is recognized in terms of acoustic cues for linguistic components such as features and phonemes and devised the Motor Theory which was one of the first theoretical approaches to speech perception. However since its original proposal it has undergone significant adjustments (Liberman 1996), although every translation of the theory has however maintained that the substances of speech perception are neither acoustic nor auditory but instead articulatory procedures. The theory was channelled by the principle that units of speech perception have to be essentially invariant in reference with phonemes and feature sets and that such a necessity was only content by neuromotor commands. Therefore it proposes that the articulatory units recognized by human listeners are not peripheral actions (i.e, actual articulatory gestures or movements) but rather “neuromotor commands to the arctulators” (Deihl, Lotto, and Holt, 2004, p. 150) which are known as intended gestures such as vocal folds, lips

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