Recognition rates and linguistic processing: Do we need new measures of speech perception?
Abstract
Speech perception goes far beyond the recognition of phonemes, words, and sentences. The Oldenburg Linguistically and Audiologically Controlled Sentences (OLACS) were developed for investigating the interactions between the listener’s linguistic and auditory capabilities in speech perception. Using these sentences with normal-hearing and hearingimpaired listeners in different listening conditions, a small but significant influence of the sentences linguistic complexity was detected. To some degree this influence was related to other cognitive measures of the listeners. In an eye-tracking experiment delayed eye movements for more complex sentences indicated a higher cognitive load during the speech recognition process. These delayed eye movements were sensitive even in conditions where classical recognition rate and speech reception measures were not sensitive because the recognition rate was near 100%.References
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