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Acquisition of L2 morphology by adult language learners
2019
Cortex
This procedure has previously been used in several studies (e.g., Hanna & Pulvermü ller, 2014; Leminen, Leminen, & Krause, 2010; Leminen, Leminen et al., 2011; Whiting et al., 2013) , revealing even short-lived ...
., 2009; Leminen, Leminen, Kujala, & Shtyrov, 2013; Leminen et al., 2011; Lü ck, Hahne, & Clahsen, 2006; Regel, Kotz, Henseler & Friederici, 2017; Stockall & Marantz, 2006; Vartiainen et al., 2009; Whiting ...
doi:10.1016/j.cortex.2019.01.012
pmid:30832994
fatcat:45srlnw7fnclpkjcdvuaxni5na
Neural mechanisms underlying word- and phrase-level morphological parsing
2016
Journal of Neurolinguistics
The processing of correctly inflected words has previously been shown to activate the left inferior frontal gyrus and superior temporal cortices Lehtonen et al., 2006; Leminen, Leminen, Kujala, & Shtyrov ...
, 2013; Leminen et al., 2011; Tyler et al., 2005; Vartiainen, Aggujaro, et al., 2009) . ...
doi:10.1016/j.jneuroling.2015.10.003
fatcat:noxuvvjywfav7okrxju44uy3tu
Breaking down the cocktail party: Attentional modulation of cerebral audiovisual speech processing
2020
NeuroImage
Alina Leminen: Supervision. Miika Leminen: Software. Matti Laine: Funding acquisition, Supervision. Kimmo Alho: Funding acquisition, Project administration, Resources, Supervision. ...
Before adding the audio streams back to the videos, they were noisevocoded (see, Leminen et al., 2020 ) . ...
doi:10.1016/j.neuroimage.2020.117365
pmid:32941985
fatcat:ozzrfzgceja6lcmexgnwx5um4i
Effect of language experience on selective auditory attention: An event-related potential study
2018
International Journal of Psychophysiology
A B S T R A C T Dual language experience has typically been shown to improve various executive control functions. We investigated with event-related brain potentials (ERPs) recorded from early (natively) bilingual speakers and control participants whether it also affects auditory selective attention. We delivered to our participants two tone streams, one to the left and one to the right ear. Both streams consisted of standard tones and two types of infrequent deviant tones which had either an
doi:10.1016/j.ijpsycho.2018.03.007
pmid:29530819
fatcat:mi2xaasut5hxdekrkczqgif45y
more »
... hanced duration or intensity. The participants were instructed to attend either to the right or left stream and to detect longer-duration deviants in the attended stream. The results showed that the early bilinguals did not outperform the controls in target detection accuracy or speed. However, the late portion of the attention-related ERP modulation (the negative difference, Nd) was larger over the left hemisphere in the early bilinguals than in the controls, suggesting that the maintenance of selective attention or further processing of selectively attended sounds is enhanced in the bilinguals. Moreover, the late reorienting negativity (RON) in response to intensity-deviant tones was larger in the bilinguals, suggesting more efficient disengagement of attention from distracting auditory events. Hence, our results demonstrate that brain responses associated with certain aspects of auditory attention are enhanced in the bilingual adults, indicating that early dual language exposure modulates the neuronal responsiveness of auditory modality.
The role of attention in processing morphologically complex spoken words: an EEG/MEG study
2013
Frontiers in Human Neuroscience
In the attended task, previously reported by Leminen et al. (2011) , the participants were to judge the acceptability of each stimulus. ...
Consequently, the analyses reported are not exactly the same as those in Leminen et al. (2011) . ...
The effects observed in the attended task have been reported in detail elsewhere (Leminen et al., 2011) . ...
doi:10.3389/fnhum.2012.00353
pmid:23316156
pmcid:PMC3540952
fatcat:odxheqtcb5fk5bpeiz7ag62syu
Editorial: Morphologically Complex Words in the Mind/Brain
2016
Frontiers in Human Neuroscience
also Leminen et al., 2013) . ...
On the other hand, with Russian, Leminen et al. ...
., Leminen et al.; Leminen et al., 2013; Leminen et al. , for a review see e.g., Bozic and Marslen-Wilson, 2010) . ...
doi:10.3389/fnhum.2016.00047
pmid:26909032
pmcid:PMC4754435
fatcat:csbynu5dqnbbjnpkecr2tu3xfu
Modulation of brain activity by selective attention to audiovisual dialogues
[article]
2019
biorxiv/medrxiv
pre-print
ACKNOWLEDGMENTS We thank Artturi Ylinen for help with stimulus preparation and data collection and Miika Leminen for methodological support. ...
doi:10.1101/781344
fatcat:owl7ur2s7ng6rckqsmoctkbm5i
Rapid and automatic speech-specific learning mechanism in human neocortex
2015
NeuroImage
A unique feature of human communication system is our ability to rapidly acquire new words and build large vocabularies. However, its neurobiological foundations remain largely unknown. In an electrophysiological study optimally designed to probe this rapid formation of new word memory circuits, we employed acoustically controlled novel word-forms incorporating native and non-native speech sounds, while manipulating the subjects' attention on the input. We found a robust index of neurolexical
doi:10.1016/j.neuroimage.2015.05.098
pmid:26074199
fatcat:4m2yjejti5dmnommbh7ysbkk2a
more »
... mory-trace formation: a rapid enhancement of the brain's activation elicited by novel words during a short (~30 min) perceptual exposure, underpinned by fronto-temporal cortical networks, and, importantly, correlated with behavioural learning outcomes. Crucially, this neural memory trace build-up took place regardless of focused attention on the input or any pre-existing or learnt semantics. Furthermore, it was found only for stimuli with native-language phonology, but not for acoustically closely matching non-native words. These findings demonstrate a specialised cortical mechanism for rapid, automatic and phonology-dependent formation of neural word memory circuits.
Spatiotemporal Dynamics of the Processing of Spoken Inflected and Derived Words: A Combined EEG and MEG Study
2011
Frontiers in Human Neuroscience
Leminen et al. ...
Leminen et al. ...
doi:10.3389/fnhum.2011.00066
pmid:21811451
pmcid:PMC3143720
fatcat:cql7ivf6a5clhc44k3caweyngi
Shaving Bridges and Tuning Kitaraa: The Effect of Language Switching on Semantic Processing
2017
Frontiers in Psychology
Maartje van der Meij and the University of La Laguna for sharing the English aptitude test with us, and we would further like to express our deepest appreciation for the valuable comments that Miika Leminen ...
doi:10.3389/fpsyg.2017.01438
pmid:28900402
fatcat:myq6ggtvlfftlhg2qvwiu5frzm
Retrospective confidence judgments: Meta-analysis of functional magnetic resonance imaging studies
2021
Human Brain Mapping
Confidence in our retrieved memories, that is, retrospective confidence, is a metamemory process we perform daily. There is an abundance of applied research focusing on the metamemory judgments and very diverse studies including a wide range of clinical populations. However, the neural correlates that support its functioning are not well defined impeding the implementation of noninvasive neuromodulatory clinical interventions. To address the neural basis of metamemory judgments, we ran a
doi:10.1002/hbm.25397
pmid:33951247
pmcid:PMC8193539
fatcat:hptvnw67drbwrlq3klprvgn73u
more »
... alysis, where we used the activation likelihood estimation method on the 19 eligible functional magnetic resonance imaging studies. The main analysis of retrospective confidence revealed concordant bilateral activation in the parahippocampal gyrus, left middle frontal gyrus, and right amygdala. We also run an analysis between the two extreme levels of confidence, namely, high and low. This additional analysis was exploratory, since the minimum amount of articles reporting these two levels was not reached. Activations for the exploratory high > low confidence subtraction analysis were the same as observed in the main analysis on retrospective confidence, whereas the exploratory low > high subtraction showed distinctive activations of the right precuneus. The involvement of the right precuneus emphasizes its role in the evaluation of low confidence memories, as suggested by previous studies. Overall, our study contributes to a better understanding of the specific brain structures involved in confidence evaluations. Better understanding of the neural basis of metamemory might eventually lead to designing more precise neuromodulatory interventions, significantly improving treatment of patients suffering from metamemory problems.
Modulation of Brain Activity by Selective Attention to Audiovisual Dialogues
2020
Frontiers in Neuroscience
ACKNOWLEDGMENTS We thank Artturi Ylinen for help with stimulus preparation and data collection and Miika Leminen for methodological support. ...
doi:10.3389/fnins.2020.00436
pmid:32477054
pmcid:PMC7235384
fatcat:wfcp4xphi5h5peiuli5d5dq7si
Beyond volume: A surface-based approach to bilingualism-induced grey matter changes
2018
Neuropsychologia
Bilingualism is a sustained experience associated with structural changes in cortical grey matter (GM) morphology. Apart from a few studies, a dominant method used to assess bilingualism-induced GM changes has been the voxel-based morphometry (VBM) analysis. While VBM is sensitive to GM volume/density differences in general, it cannot be used to identify whether the observed difference is due to relative changes in, e.g., cortical thickness, area or folding, as it uses a single combined measure
doi:10.1016/j.neuropsychologia.2018.04.038
pmid:29727625
fatcat:2udpqh3dvnccfeowqz6hbu6sk4
more »
... of them all. Here, we used surface-based analysis (SBA) approach to investigate whether early acquisition of a second language (L2) affects the cortical GM morphology relative to late L2 acquisition. More specifically, our aim was to test a hypothesis that early acquisition of two languages induces GM changes that are predominantly surface area-driven, while late acquisition is supposedly characterised with primarily thickness-driven changes. To this end, several surface-based measures were concurrently compared between the groups. In line with the hypothesis, the results revealed that early bilingual experience is associated with significantly extended cortical surface area over the left pars opercularis and the right superior temporal gyrus. Contrary to our expectations, however, we found no evidence supporting the postulated association between late L2 acquisition and increased cortical thickness. Nevertheless, our study highlights the importance of including cortical surface measures when investigating bilingualismrelated GM modulations.
TMS uncovers details about sub-regional language-specific processing networks in early bilinguals
2018
NeuroImage
Miika Leminen for offering new ideas regarding the statistical analysis of the data. ...
doi:10.1016/j.neuroimage.2017.12.086
pmid:29305911
fatcat:wsfxbx4zc5boxj5fpbmfyqdspe
Auditory evoked potentials to speech and nonspeech stimuli are associated with verbal skills in preschoolers
2016
Developmental Cognitive Neuroscience
Children's obligatory auditory event-related potentials (ERPs) to speech and nonspeech sounds have been shown to associate with reading performance in children at risk or with dyslexia and their controls. However, very little is known of the cognitive processes these responses reflect. To investigate this question, we recorded ERPs to semisynthetic syllables and their acoustically matched nonspeech counterparts in 63 typically developed preschoolers, and assessed their verbal skills with an
doi:10.1016/j.dcn.2016.04.001
pmid:27131343
pmcid:PMC6988591
fatcat:svyl563yfjclxlvakphhkj2n7a
more »
... nsive set of neurocognitive tests. P1 and N2 amplitudes were larger for nonspeech than speech stimuli, whereas the opposite was true for N4. Furthermore, left-lateralized P1s were associated with better phonological and prereading skills, and larger P1s to nonspeech than speech stimuli with poorer verbal reasoning performance. Moreover, left-lateralized N2s, and equal-sized N4s to both speech and nonspeech stimuli were associated with slower naming. In contrast, children with equal-sized N2 amplitudes at left and right scalp locations, and larger N4s for speech than nonspeech stimuli, performed fastest. We discuss the possibility that children's ERPs reflect not only neural encoding of sounds, but also sound quality processing, memory-trace construction, and lexical access. The results also corroborate previous findings that speech and nonspeech sounds are processed by at least partially distinct neural substrates.
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