ERIC Number: EJ781425
Record Type: Journal
Publication Date: 2008-Jan
Reference Count: 0
Inner Speech Slips Exhibit Lexical Bias, But Not the Phonemic Similarity Effect
Oppenheim, Gary M.; Dell, Gary S.
Cognition, v106 n1 p528-537 Jan 2008
Inner speech, that little voice that people often hear inside their heads while thinking, is a form of mental imagery. The properties of inner speech errors can be used to investigate the nature of inner speech, just as overt slips are informative about overt speech production. Overt slips tend to create words ("lexical bias") and involve similar exchanging phonemes ("phonemic similarity effect"). We examined these effects in inner and overt speech via a tongue-twister recitation task. While lexical bias was present in both inner and overt speech errors, the phonemic similarity effect was evident only for overt errors, producing a significant overtness by similarity interaction. We propose that inner speech is impoverished at lower (featural) levels, but robust at higher (phonemic) levels.
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Publication Type: Journal Articles; Reports - Evaluative
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