Phonetic training and non-native speech perception — New memory traces evolve in just three days as indexed by the mismatch negativity (MMN) and behavioural measures

Tamminen, Henna; Peltola, Maija S.; Kujala, Teija; Näätänen, Risto

doi:10.1016/j.ijpsycho.2015.04.020

Cited by 33 publications

(38 citation statements)

References 28 publications

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“…However, electrophysiological recordings of so-called mismatch negativity (MMN)13 (for a review, see14) can be done non-invasively, and these revealed perceptual learning-related plasticity in cortical sound representations of adult humans due to active training151617. In those studies, a few hours of training, usually for 3–6 d, caused long-term memory traces for the trained sounds.…”

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confidence: 99%

“…an oddball condition, with a large number of stimuli presented to the animals (total of approximately 250,000 sounds). Since the exposure was delivered during three consecutive nights, the consolidation of memory traces for speech sounds was expected to occur1516. In a between-group design, two groups of freely moving animals were exposed to two different continuous sequences of speech sounds.…”

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confidence: 99%

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Passive exposure to speech sounds induces long-term memory representations in the auditory cortex of adult rats

Kurkela

Lipponen

Hämäläinen

et al. 2016

Sci Rep

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Experience-induced changes in the functioning of the auditory cortex are prominent in early life, especially during a critical period. Although auditory perceptual learning takes place automatically during this critical period, it is thought to require active training in later life. Previous studies demonstrated rapid changes in single-cell responses of anesthetized adult animals while exposed to sounds presented in a statistical learning paradigm. However, whether passive exposure to sounds can form long-term memory representations remains to be demonstrated. To investigate this issue, we first exposed adult rats to human speech sounds for 3 consecutive days, 12 h/d. Two groups of rats exposed to either spectrotemporal or tonal changes in speech sounds served as controls for each other. Then, electrophysiological brain responses from the auditory cortex were recorded to the same stimuli. In both the exposure and test phase statistical learning paradigm, was applied. The exposure effect was found for the spectrotemporal sounds, but not for the tonal sounds. Only the animals exposed to spectrotemporal sounds differentiated subtle changes in these stimuli as indexed by the mismatch negativity response. The results point to the occurrence of long-term memory traces for the speech sounds due to passive exposure in adult animals.

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Passive exposure to speech sounds induces long-term memory representations in the auditory cortex of adult rats

Kurkela

Lipponen

Hämäläinen

et al. 2016

Sci Rep

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“…One reason for the absence of an effect of AV speech training on MMN amplitude could be that the training was of insufficient duration to affect MMN amplitude. The studies undertaken to date that have found training influences MMN amplitude have used substantially longer training sessions than the current study and/or multiple sessions (Menning et al, 2002;Zhang et al, 2009;Tamminen et al, 2015). For example, in the study by Zhang et al (2009), participants completed 12 × 60-min training sessions.…”

Section: The Effect Of Av Speech Training On Mmn Amplitudementioning

confidence: 97%

“…For example, in the study by Zhang et al (2009), participants completed 12 × 60-min training sessions. In the study by Tamminen et al (2015), participants completed two training sessions comprising 2-3 min per session and also completed several behavioral tasks before and after each training session that required them to discriminate between the non-native sounds. The additional practice discriminating the sounds combined with multiple training sessions could have contributed to the increased MMN amplitude (Tamminen et al, 2015).…”

Section: The Effect Of Av Speech Training On Mmn Amplitudementioning

confidence: 99%

“…The MMN amplitude appears to capture the brain's sensitivity to non-native speech sound contrasts after training. For example, Tamminen et al (2015) used a pre-and post-test design to test the influence of listen-and-repeat training on the MMN elicited during Finnish speakers' discrimination of the English /f/-/v/ phoneme contrast (both sounds map onto a single phoneme /f/ in Finnish). During the training participants listened to, and repeated (i.e., produced) words containing the English phonemes.…”

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The Effect of Visual Articulatory Information on the Neural Correlates of Non-native Speech Sound Discrimination

Plumridge

Barham

Foley

et al. 2020

Front. Hum. Neurosci.

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Behavioral studies have shown that the ability to discriminate between non-native speech sounds improves after seeing how the sounds are articulated. This study examined the influence of visual articulatory information on the neural correlates of non-native speech sound discrimination. English speakers' discrimination of the Hindi dental and retroflex sounds was measured using the mismatch negativity (MMN) eventrelated potential, before and after they completed one of three 8-min training conditions. In an audio-visual speech training condition (n = 14), each sound was presented with its corresponding visual articulation. In one control condition (n = 14), both sounds were presented with the same visual articulation, resulting in one congruent and one incongruent audio-visual pairing. In another control condition (n = 14), both sounds were presented with the same image of a still face. The control conditions aimed to rule out the possibility that the MMN is influenced by non-specific audio-visual pairings, or by general exposure to the dental and retroflex sounds over the course of the study. The results showed that audio-visual speech training reduced the latency of the MMN but did not affect MMN amplitude. No change in MMN amplitude or latency was observed for the two control conditions. The pattern of results suggests that a relatively short audiovisual speech training session (i.e., 8 min) may increase the speed with which the brain processes non-native speech sound contrasts. The absence of a training effect on MMN amplitude suggests a single session of audio-visual speech training does not lead to the formation of more discrete memory traces for non-native speech sounds. Longer and/or multiple sessions might be needed to influence the MMN amplitude.

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Listen-and-repeat training in the learning of non-native consonant duration contrasts: influence of consonant type as reflected by MMN and behavioral methods

Saloranta

Heikkola

Peltola

2022

J Psycholinguist Res

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Phonological duration differences in quantity languages can be problematic for second language learners whose native language does not use duration contrastively. Recent studies have found improvement in the processing of non-native vowel duration contrasts with the use of listen-and-repeat training, and the current study explores the efficacy of similar methodology on consonant duration contrasts. 18 adult participants underwent two days of listen-and-repeat training with pseudoword stimuli containing either a sibilant or a stop consonant contrast. The results were examined with psychophysiological event-related potentials (mismatch negativity and P3), behavioral discrimination tests and a production task. The results revealed no training-related effects in the event-related potentials or the production task, but behavioral discrimination performance improved. Furthermore, differences emerged between the processing of the two consonant types. The findings suggest that stop consonants are processed more slowly than the sibilants, and the findings are discussed with regard to possible segmentation difficulties.

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Phonetic training and non-native speech perception — New memory traces evolve in just three days as indexed by the mismatch negativity (MMN) and behavioural measures

Cited by 33 publications

References 28 publications

Passive exposure to speech sounds induces long-term memory representations in the auditory cortex of adult rats

Passive exposure to speech sounds induces long-term memory representations in the auditory cortex of adult rats

The Effect of Visual Articulatory Information on the Neural Correlates of Non-native Speech Sound Discrimination

Listen-and-repeat training in the learning of non-native consonant duration contrasts: influence of consonant type as reflected by MMN and behavioral methods

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