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Automaticity and the detection of speech
J W Mullennix1, J R Sawusch, L F Garrison
1Department of Psychology, Wayne State University, Detroit, MI 48202.
Memory & Cognition
|January 1, 1992
Summary
Automatic perceptual responses to speech develop with consistent mapping. Dividing attention hinders automaticity, suggesting modality differences in development that require further investigation.
Area of Science:
- Cognitive Psychology
- Auditory Perception
- Speech Processing
Background:
- Automaticity in cognitive tasks is crucial for efficient information processing.
- Understanding the development of automatic perceptual responses to speech is key to cognitive science.
- Previous research has explored automaticity in various domains, but speech-specific development needs further clarification.
Purpose of the Study:
- To investigate the development of automatic perceptual responses to speech stimuli.
- To examine how stimulus-to-response mapping and memory load influence automaticity in speech processing.
- To explore the role of selective attention and dual-tasking in the development of auditory automaticity.
Main Methods:
- Experiment 1: Phoneme-monitoring performance for speech syllables with manipulated stimulus-to-response mapping and memory load.
- Experiment 2: Dual-task procedure with mapping and selective attention manipulations under single- and multiple-channel conditions.
- Utilized controlled experimental designs to isolate variables affecting automaticity.
Main Results:
- Automaticity in speech perception develops under consistent-mapping conditions.
- Dividing attention across multiple input channels interferes with performance under consistently mapped training.
- Evidence suggests potential differences in automaticity development between visual and auditory modalities.
Conclusions:
- Consistent stimulus-to-response mapping facilitates the development of automaticity in speech perception.
- Auditory automaticity development is susceptible to attentional load and channel interference.
- Further research is needed to elucidate modality-specific differences in the development of automaticity.