The neural basis of sublexical speech and corresponding nonspeech processing: a combined EEG-MEG study.

6533b86cfe1ef96bd12c8149

RESEARCH PRODUCT

The neural basis of sublexical speech and corresponding nonspeech processing: a combined EEG-MEG study.

Seppo Kähkönen Eino Partanen Eino Partanen Vesa Putkinen Vesa Putkinen Soila Kuuluvainen Alexander Sorokin Alexander Sorokin Alexander Sorokin Maria Mittag Maria Mittag Miia Seppänen Miia Seppänen Teija Kujala Päivi Nevalainen

subject

Consonant Adult Male Linguistics and Language Memory Long-Term Cognitive Neuroscience Speech recognition Mismatch negativity Experimental and Cognitive Psychology Auditory cortex computer.software_genre Language and Linguistics Lateralization of brain function Functional Laterality Speech and Hearing Young Adult Discrimination Psychological Phonetics Reference Values Vowel Reaction Time Humans Audio signal processing Auditory Cortex Communication Analysis of Variance Duplex perception business.industry Magnetoencephalography Electroencephalography Magnetic Resonance Imaging Semantics Auditory Perception Evoked Potentials Auditory Speech Perception Syllable business Psychology computer

description

Abstract We addressed the neural organization of speech versus nonspeech sound processing by investigating preattentive cortical auditory processing of changes in five features of a consonant–vowel syllable (consonant, vowel, sound duration, frequency, and intensity) and their acoustically matched nonspeech counterparts in a simultaneous EEG–MEG recording of mismatch negativity (MMN/MMNm). Overall, speech–sound processing was enhanced compared to nonspeech sound processing. This effect was strongest for changes which affect word meaning (consonant, vowel, and vowel duration) in the left and for the vowel identity change in the right hemisphere also. Furthermore, in the right hemisphere, speech–sound frequency and intensity changes were processed faster than their nonspeech counterparts, and there was a trend for speech-enhancement in frequency processing. In summary, the results support the proposed existence of long-term memory traces for speech sounds in the auditory cortices, and indicate at least partly distinct neural substrates for speech and nonspeech sound processing.

year	journal	country	edition	language
2014-03-01	Brain and language

10.1016/j.bandl.2014.01.008 https://pubmed.ncbi.nlm.nih.gov/24576806