Research Topics
| R NaatanenSummaryAffiliation: University of Helsinki Country: Finland Publications
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Detail Information
Publications
Mismatch negativity (MMN): perspectives for applicationR Naatanen
Cognitive Brain Research Unit, P O Box 13 Meritullinkatu 1, 00014 University of Helsinki and the Academy of Finland, Helsinki, Finland
Int J Psychophysiol 37:3-10. 2000..The MMN can be measured in the absence of attention and without any task requirements, which makes it particularly suitable for testing different clinical populations and infants...
Brain activity index of distractibility in normal school-age childrenV Gumenyuk
Cognitive Brain Research Unit, Department of Psychology, P O Box 13, FIN 00014, University of Helsinki, Finland
Neurosci Lett 314:147-50. 2001..Moreover, differences in ERP amplitudes and in their correlations with the reaction times between younger (7-10 years) and older (11-13 years) children indicated developmental changes in attentional brain functions...
Atypical pattern of discriminating sound features in adults with Asperger syndrome as reflected by the mismatch negativityT Kujala
Cognitive Brain Research Unit, Department of Psychology, University of Helsinki, PO Box 9, Helsinki FIN 00014, Finland
Biol Psychol 75:109-14. 2007..Our results suggest hypersensitive auditory change detection in Asperger syndrome, as reflected in the enhanced MMN for deviant sounds with a gap or shorter duration, and speeded MMN elicitation for frequency changes...
The perception of invariant speech features in children with autismT Lepistö
Cognitive Brain Research Unit, Department of Psychology, University of Helsinki, P O Box 9, Helsinki FIN 00014, Finland
Biol Psychol 77:25-31. 2008..This suggests that children with autism lose their advantage in phoneme discrimination when the context of the stimuli is speech-like and requires abstracting invariant speech features from varying input...
Increased distractibility by task-irrelevant sound changes in abstinent alcoholicsJ Ahveninen
Cognitive Brain Research Unit, Department of Psychology, University of Helsinki, Finland
Alcohol Clin Exp Res 24:1850-4. 2000..The neural abnormalities that underlie such deficits in alcoholics were explored with event-related potential (ERP) components that disclosed different phases of detection and orienting to stimulus changes...
Selective tuning of the left and right auditory cortices during spatially directed attentionK Alho
Cognitive Brain Research Unit, Department of Psychology, P O Box 13, FIN 00014 University of Helsinki, Helsinki, Finland
Brain Res Cogn Brain Res 7:335-41. 1999....
Global field power of auditory N1 correlates with impaired verbal-memory performance in human alcoholicsJ Ahveninen
Cognitive Brain Research Unit, Department of Psychology, P O Box 13, FIN 00014 University of, Helsinki, Finland
Neurosci Lett 285:131-4. 2000..5) with impaired memory performance in the alcoholics. The profound change in pre-attentive auditory processing, predicting impaired memory performance, might reflect impaired cerebral inhibitory transmission in alcoholics...
Speech- and sound-segmentation in dyslexia: evidence for a multiple-level cortical impairmentT Kujala
Cognitive Brain Research Unit, Department of Psychology, University of Helsinki, PO Box 9, 00014 Helsinki, Finland
Eur J Neurosci 24:2420-7. 2006....
Auditory perception and attention as reflected by the brain event-related potentials in children with Asperger syndromeT Lepistö
Cognitive Brain Research Unit, Department of Psychology, P O Box 9, FIN 00014 University of Helsinki, Finland
Clin Neurophysiol 117:2161-71. 2006..We investigated auditory-discrimination and orienting in children with AS using an event-related potential (ERP) paradigm that was previously applied to children with autism...
Language-specific phoneme representations revealed by electric and magnetic brain responsesR Naatanen
Cognitive Brain Research Unit, Department of Psychology, University of Helsinki, Finland
Nature 385:432-4. 1997..Whole-head magnetic recordings located the source of this native-language, phoneme-related response enhancement, and thus the language-specific memory traces, in the auditory cortex of the left hemisphere...
Superior formation of cortical memory traces for melodic patterns in musiciansM Tervaniemi
Cognitive Brain Research Unit, Department of Psychology, University of Helsinki, 00014 Helsinki, Finland
Learn Mem 8:295-300. 2001....
Effects of spectral complexity and sound duration on automatic complex-sound pitch processing in humans - a mismatch negativity studyM Tervaniemi
Department of Psychology, Cognitive Brain Research Unit, University of Helsinki, P O Box 13, FIN 00014, Helsinki, Finland
Neurosci Lett 290:66-70. 2000..The prolonged sound duration did not significantly enhance the MMN. This suggests that increased spectral rather than temporal information facilitates pitch processing of spectrally rich sounds...
Pre-attentive discriminability of sound order as a function of tone duration and interstimulus interval: a mismatch negativity studyM Tervaniemi
Cognitive Brain Research Unit, Department of Psychology, University of Helsinki, Finland
Audiol Neurootol 4:303-10. 1999....
Dose-dependent suppression by ethanol of transient auditory 40-Hz responseI P Jääskeläinen
Cognitive Brain Research Unit, Department of Psychology, P O Box 13, Meritullinkatu 1, 00014 University of Helsinki, Finland
Psychopharmacology (Berl) 148:132-5. 2000....
Selective tuning of cortical sound-feature processing by language experienceM Tervaniemi
Cognitive Brain Research Unit, Department of Psychology, University of Helsinki, Finland
Eur J Neurosci 23:2538-41. 2006..This result, obtained both by behavioural and neural indices at attentive and automatic levels of processing, indicates precise feature-specific tuning of the auditory-cortex functions by the mother tongue...
Auditory event-related potential indices of increased distractibility in children with major depressionT Lepistö
Cognitive Brain Research Unit, Department of Psychology, University of Helsinki, P O Box 9, FIN 00014 Helsinki, Finland and Helsinki Brain Research Center, Helsinki, Finland
Clin Neurophysiol 115:620-7. 2004..Using auditory event-related potentials (ERPs), we aimed to determine whether these problems could be caused by a dysfunction in auditory sensory memory, attentional orienting, or both...
Similarities in the phenotype of the auditory neural substrate in children with Asperger syndrome and their parentsE Jansson-Verkasalo
Cognitive Brain Research Unit, Department of Psychology, PO Box 9, 00014 University of Helsinki, Helsinki, Finland
Eur J Neurosci 22:986-90. 2005..The present results suggest that complex genetic mechanisms may contribute to auditory abnormalities encountered in children with AS...
Mismatch negativity and behavioural discrimination in humans as a function of the magnitude of change in sound durationM Jaramillo
Cognitive Brain Research Unit, Department of Psychology, University of Helsinki, Finland, PO Box 13, FIN 00014, Helsinki, Finland
Neurosci Lett 290:101-4. 2000..Behavioural detection paralleled the MMN responses, suggesting a link between the processes underlying MMN and behavioural measures...
Electromagnetic recordings reveal latency differences in speech and tone processing in humansH Tiitinen
Cognitive Brain Research Unit, Department of Psychology, University of Helsinki, PO Box 13 Meritullinkatu 1, FIN 00014, Helsinki, Finland
Brain Res Cogn Brain Res 8:355-63. 1999..The findings are discussed in relation to previous observations on cortical processing of sinusoidal and vowel sounds and with regard to the glottal excitation in speech processing...
The mismatch negativity (MMN) in basic research of central auditory processing: a reviewR Naatanen
Cognitive Brain Research Unit, Department of Psychology, University of Helsinki, Helsinki, Finland
Clin Neurophysiol 118:2544-90. 2007..In addition, the MMN enables one to establish the brain processes underlying the initiation of attention switch to, conscious perception of, sound change in an unattended stimulus stream...
Neurophysiological evidence for cortical discrimination impairment of prosody in Asperger syndromeT Kujala
Helsinki Collegium for Advanced Studies, University of Helsinki, Helsinki, Finland
Neurosci Lett 383:260-5. 2005..These findings were predominant over the right cerebral hemisphere. These results show impaired neurobiological basis for speech-prosody processing at an early, pre-attentive auditory discrimination stage in AS...
The mismatch negativity as an index of temporal processing in auditionT Kujala
Cognitive Brain Research Unit, Department of Psychology, P O Box 13, University of Helsinki, FIN 00014 Helsinki, Finland
Clin Neurophysiol 112:1712-9. 2001..The relation of the mismatch negativity (MMN) elicitation with behavioral stimulus discrimination as well as the replicability of the MMN was evaluated for intervals between paired tones...
Evaluation of multi-attribute auditory discrimination in dyslexia with the mismatch negativityT Kujala
Helsinki Collegium for Advanced Studies, University of Helsinki, Helsinki, Finland
Clin Neurophysiol 117:885-93. 2006..We determined the discrimination of 5 sound contrasts (pitch, duration, intensity, location, and the presence of a gap) in dyslexia with the mismatch negativity (MMN)...
Psychosocial stress attenuates general sound processing and duration change detectionV L Simoens
Cognitive Brain Research Unit, Department of Psychology, University of Helsinki, Helsinki, Finland
Psychophysiology 44:30-8. 2007..We found that psychosocial stressor anticipation attenuates both general and deviance-specific sound processing, suggesting that cortisol interferes with cortical memory-trace formation...
Event-related potentials associated with sound discrimination versus novelty detection in childrenR Ceponiene
Department of Psychology, University of Helsinki, Helsinki, Finland
Psychophysiology 41:130-41. 2004..It might reflect cognitive, albeit preattentive, processing of sound change. The Nc1 appears to reflect cognitive attentive processing of salient stimuli and the Nc2 might reflect reorienting after distraction...
Plastic neural changes and reading improvement caused by audiovisual training in reading-impaired childrenT Kujala
Cognitive Brain Research Unit, Department of Psychology, P O Box 13, University of Helsinki, FIN 00014 Helsinki, Finland
Proc Natl Acad Sci U S A 98:10509-14. 2001..Moreover, the fact that the present training effects were obtained by using a program including no linguistic material indicates that dyslexia is at least partly based on a general auditory perceptual deficit...
Lateralized automatic auditory processing of phonetic versus musical information: a PET studyM Tervaniemi
Cognitive Brain Research Unit, Department of Psychology, University of Helsinki, Finland
Hum Brain Mapp 10:74-9. 2000..The data thus indicate that automatic activation of lateralized neuronal circuits requires sound comparison based on short-term sound representations...
The mismatch negativity in evaluating central auditory dysfunction in dyslexiaT Kujala
Cognitive Brain Research Unit, Department of Psychology, University of Helsinki, P O Box 13, FIN 00014 Helsinki, Finland
Neurosci Biobehav Rev 25:535-43. 2001..Furthermore, the MMN holds promise of showing plastic changes in the brain of dyslexic individuals underlying the alleviation or remediation of dyslexia in the course of a successful training programme...
Central auditory processing of durational changes in complex speech patterns by newborns: an event-related brain potential studyE Kushnerenko
Cognitive Brain Research Unit, Department of Psychology, P O Box 13, 00014 University of Helsinki, Finland
Dev Neuropsychol 19:83-97. 2001..The first negative wave peaked at about 150 msec and the second at about 350 msec after the change onset. At least one negative deflection, which was interpreted as evidence for stimulus change-detection, was observed in every infant...
"Primitive intelligence" in the auditory cortexR Naatanen
Cognitive Brain Research Unit, Dept of Psychology, University of Helsinki, Helsinki, Finland
Trends Neurosci 24:283-8. 2001....
Electrophysiological evidence of enhanced distractibility in ADHD childrenV Gumenyuk
Cognitive Brain Research Unit, Department of Psychology, University of Helsinki, Helsinki, Finland
Neurosci Lett 374:212-7. 2005..In conclusion, the ERP and behavioral effects caused by the novel sounds reveal deficient control of involuntary attention in ADHD children that may underlie their abnormal distractibility...
Effects of haloperidol on selective attention: a combined whole-head MEG and high-resolution EEG studyS Kahkonen
BioMag Laboratory, Medical Engineering Centre, Helsinki University Central Hospital, Helsinki, Finland
Neuropsychopharmacology 25:498-504. 2001..Taken together, haloperidol seemed to induce functional changes in neural networks accounting for both selective and involuntary attention, suggesting modulation of these functions by dopamine D2 receptors...
The additivity of the auditory feature analysis in the human brain as indexed by the mismatch negativity: 1+1 approximately 2 but 1+1+1<3P Paavilainen
Cognitive Brain Research Unit, Department of Psychology, P O Box 13, FIN 00014 University of Helsinki, Helsinki, Finland
Neurosci Lett 301:179-82. 2001..The double-deviant MMNs were found to be additive but the triple-deviant MMN was clearly underadditive. The results suggest complex interactions between brain processes involved in analyzing several simultaneous deviant features...
Dose-related effects of memantine on a mismatch negativity-like response in anesthetized ratsD Tikhonravov
Neuroscience Unit, Institute of Biomedicine Physiology, University of Helsinki, Helsinki, Finland
Neuroscience 167:1175-82. 2010..The high dose of memantine, in contrast, blocked the generation of the auditory MMN-like response. The findings suggest that memantine may, with appropriate doses, facilitate already this early stage of auditory processing...
Speech-sound-selective auditory impairment in children with autism: they can perceive but do not attendR Ceponiene
Cognitive Brain Research Unit, Department of Psychology, P O Box 13, University of Helsinki, FIN 00014 Helsinki, Finland
Proc Natl Acad Sci U S A 100:5567-72. 2003..These results demonstrate that, first, auditory orienting deficits in autism cannot be explained by sensory deficits and, second, that orienting deficit in autism might be speech-sound specific...
Event-related potential indices of auditory vowel processing in 3-year-old childrenR Ceponiene
Cognitive Brain Research Unit, Department of Psychology and Helsinki Brain Research Unit, University of Helsinki, Helsinki, Finland
Clin Neurophysiol 114:652-61. 2003..To determine the ERP characteristics and ERP indices of central speech sound encoding and discrimination in young children...
