Complex sentence: The "connectionist model" suggests that the phonological and semantic features of a word are activated, but this activation decays at a rate too quick for cognitive processing-thus, errors in speech output are produced as a result of this fading activation.
Split into simpler sentences: The "connectionist model" suggests that the phonological and semantic features of a word are activated, but this activation decays at a rate too quick for cognitive processing. Thus, errors in speech output are produced as a result of this fading activation.