R Naatanen

Summary

Affiliation: University of Helsinki
Country: Finland

Publications

  1. ncbi Preattentive representation of feature conjunctions for concurrent spatially distributed auditory objects
    Rika Takegata
    Cognitive Brain Research Unit, Department of Psychology, University of Helsinki, Budapest, Hungary
    Brain Res Cogn Brain Res 25:169-79. 2005
  2. ncbi The mismatch negativity (MMN)--a unique window to disturbed central auditory processing in ageing and different clinical conditions
    R Naatanen
    Institute of Psychology, University of Tartu, Tartu, Estonia, Finland
    Clin Neurophysiol 123:424-58. 2012
  3. ncbi Statistical language learning in neonates revealed by event-related brain potentials
    Tuomas Teinonen
    Cognitive Brain Research Unit, Department of Psychology, University of Helsinki, Helsinki, Finland
    BMC Neurosci 10:21. 2009
  4. ncbi Language-specific phoneme representations revealed by electric and magnetic brain responses
    R Naatanen
    Cognitive Brain Research Unit, Department of Psychology, University of Helsinki, Finland
    Nature 385:432-4. 1997
  5. ncbi The mismatch negativity (MMN): towards the optimal paradigm
    Risto Naatanen
    Cognitive Brain Research Unit, Department of Psychology, P O Box 9, University of Helsinki, FIN 00014 Helsinki, Finland
    Clin Neurophysiol 115:140-4. 2004
  6. ncbi Automatic time perception in the human brain for intervals ranging from milliseconds to seconds
    Risto Naatanen
    Cognitive Brain Research Unit, Department of Psychology, University of Helsinki, Finland
    Psychophysiology 41:660-3. 2004
  7. ncbi Memory-based or afferent processes in mismatch negativity (MMN): a review of the evidence
    Risto Naatanen
    Cognitive Brain Research Unit, Department of Psychology, University of Helsinki, Helsinki, Finland
    Psychophysiology 42:25-32. 2005
  8. ncbi Electric brain response to sound repetition in humans: an index of long-term-memory - trace formation?
    Risto Naatanen
    Cognitive Brain Research Unit, Department of Psychology, P O Box 13, FIN 00014, University of Helsinki, Finland
    Neurosci Lett 318:49-51. 2002
  9. ncbi Mismatch negativity: clinical research and possible applications
    Risto Naatanen
    Cognitive Brain Research Unit, Department of Psychology, University of Helsinki, P O Box 9 Siltavuorenpenger 20 C, 00014, Helsinki, Finland
    Int J Psychophysiol 48:179-88. 2003
  10. ncbi The perception of speech sounds by the human brain as reflected by the mismatch negativity (MMN) and its magnetic equivalent (MMNm)
    R Naatanen
    Cognitive Brain Research Unit CBRU, Department of Psychology, University of Helsinki, Finland
    Psychophysiology 38:1-21. 2001

Detail Information

Publications134 found, 100 shown here

  1. ncbi Preattentive representation of feature conjunctions for concurrent spatially distributed auditory objects
    Rika Takegata
    Cognitive Brain Research Unit, Department of Psychology, University of Helsinki, Budapest, Hungary
    Brain Res Cogn Brain Res 25:169-79. 2005
    ..The discrepancy between the results obtained with and without focal attention suggests that illusory conjunctions may occur during voluntary access to the preattentively encoded object representations...
  2. ncbi The mismatch negativity (MMN)--a unique window to disturbed central auditory processing in ageing and different clinical conditions
    R Naatanen
    Institute of Psychology, University of Tartu, Tartu, Estonia, Finland
    Clin Neurophysiol 123:424-58. 2012
    ..In fact, MMN deficiency appears to index cognitive decline irrespective of the specific symptomatologies and aetiologies of the different disorders involved...
  3. ncbi Statistical language learning in neonates revealed by event-related brain potentials
    Tuomas Teinonen
    Cognitive Brain Research Unit, Department of Psychology, University of Helsinki, Helsinki, Finland
    BMC Neurosci 10:21. 2009
    ..To test the statistical learning skills at birth, we recorded event-related brain responses of sleeping neonates while they were listening to a stream of syllables containing statistical cues to word boundaries...
  4. ncbi Language-specific phoneme representations revealed by electric and magnetic brain responses
    R 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...
  5. ncbi The mismatch negativity (MMN): towards the optimal paradigm
    Risto Naatanen
    Cognitive Brain Research Unit, Department of Psychology, P O Box 9, University of Helsinki, FIN 00014 Helsinki, Finland
    Clin Neurophysiol 115:140-4. 2004
    ..In the present article, we tested a new MMN paradigm allowing one to obtain MMNs for several auditory attributes in a short time...
  6. ncbi Automatic time perception in the human brain for intervals ranging from milliseconds to seconds
    Risto Naatanen
    Cognitive Brain Research Unit, Department of Psychology, University of Helsinki, Finland
    Psychophysiology 41:660-3. 2004
    ..The present results suggest that automatic duration discrimination in audition operates even for durations of the order of seconds; yet its optimum time scale might be of the order of milliseconds...
  7. ncbi Memory-based or afferent processes in mismatch negativity (MMN): a review of the evidence
    Risto Naatanen
    Cognitive Brain Research Unit, Department of Psychology, University of Helsinki, Helsinki, Finland
    Psychophysiology 42:25-32. 2005
    ....
  8. ncbi Electric brain response to sound repetition in humans: an index of long-term-memory - trace formation?
    Risto Naatanen
    Cognitive Brain Research Unit, Department of Psychology, P O Box 13, FIN 00014, University of Helsinki, Finland
    Neurosci Lett 318:49-51. 2002
    ..This would suggest that of all the different sounds, only those that soon occur again form more enduring memory traces (when sounds have no particular significance)...
  9. ncbi Mismatch negativity: clinical research and possible applications
    Risto Naatanen
    Cognitive Brain Research Unit, Department of Psychology, University of Helsinki, P O Box 9 Siltavuorenpenger 20 C, 00014, Helsinki, Finland
    Int J Psychophysiol 48:179-88. 2003
    ..It can be registered in the absence of attention and with no task requirements, which makes it particularly suitable for studying different clinical populations and infants...
  10. ncbi The perception of speech sounds by the human brain as reflected by the mismatch negativity (MMN) and its magnetic equivalent (MMNm)
    R Naatanen
    Cognitive Brain Research Unit CBRU, Department of Psychology, University of Helsinki, Finland
    Psychophysiology 38:1-21. 2001
    ....
  11. ncbi The mismatch negativity (MMN) in basic research of central auditory processing: a review
    R 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...
  12. ncbi Mismatch negativity (MMN) as an index of central auditory system plasticity
    Risto Naatanen
    Institute of Psychology, University of Tartu, Tartu, Estonia
    Int J Audiol 47:S16-20. 2008
    ..Moreover, the individual's ability to discriminate complex sound stimuli and patterns such as different phonemes can also be measured by using the MMN...
  13. ncbi Mismatch negativity--the measure for central sound representation accuracy
    R Naatanen
    Department of Psychology, University of Helsinki, Finland
    Audiol Neurootol 2:341-53. 1997
    ..This accuracy, which can be measured separately for the different features of the sound, determines the individual's sound discrimination accuracy in normal and various pathological conditions...
  14. ncbi Auditory processing that leads to conscious perception: a unique window to central auditory processing opened by the mismatch negativity and related responses
    Risto Naatanen
    Department of Psychology, University of Tartu, Tartu, Estonia
    Psychophysiology 48:4-22. 2011
    ..Special attention is paid to determining the neural processes that might underlie conscious perception and the borderline between automatic and attention-dependent processes in audition...
  15. ncbi SPR Award, 1999. For distinguished contributions to psychophysiology: Steven A. Hillyard
    R Naatanen
    Department of Psychology, University of Helsinki, Finland
    Psychophysiology 37:269-74. 2000
    ..Hillyard. The following is the citation given by Risto Näätänen on behalf of the Society's Awards Committee on October 9, 1999...
  16. ncbi The mismatch negativity: an index of cognitive decline in neuropsychiatric and neurological diseases and in ageing
    Risto Naatanen
    Institute of Psychology, University of Tartu, Tartu, Estonia
    Brain 134:3435-53. 2011
    ....
  17. ncbi Brain activity index of distractibility in normal school-age children
    V 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...
  18. ncbi Atypical pattern of discriminating sound features in adults with Asperger syndrome as reflected by the mismatch negativity
    T 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...
  19. ncbi Combined mapping of human auditory EEG and MEG responses
    M Huotilainen
    Department of Psychology, University of Helsinki, Finland
    Electroencephalogr Clin Neurophysiol 108:370-9. 1998
    ..In addition, source-current components not detectable by MEG were shown to contribute to the measured EEG signals...
  20. ncbi Electromagnetic responses of the human auditory cortex generated by sensory-memory based processing of tone-frequency changes
    O Korzyukov
    Department of Psychology, University of Helsinki, Finland
    Neurosci Lett 276:169-72. 1999
    ..This supports the idea that a sensory-memory trace formed in the auditory cortex by preceding repetitive sounds is a necessary precondition for MMN/MMNm elicitation...
  21. ncbi Evaluation of multi-attribute auditory discrimination in dyslexia with the mismatch negativity
    T 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)...
  22. ncbi The perception of invariant speech features in children with autism
    T 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...
  23. ncbi Increased distractibility by task-irrelevant sound changes in abstinent alcoholics
    J 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...
  24. ncbi Speech- and sound-segmentation in dyslexia: evidence for a multiple-level cortical impairment
    T Kujala
    Cognitive Brain Research Unit, Department of Psychology, University of Helsinki, PO Box 9, 00014 Helsinki, Finland
    Eur J Neurosci 24:2420-7. 2006
    ....
  25. ncbi The processing of sound duration after left hemisphere stroke: event-related potential and behavioral evidence
    T M Ilvonen
    Department of Psychology, University of Helsinki, Finland
    Psychophysiology 38:622-8. 2001
    ..Especially by recording MMN to monaural stimuli, the discrimination accuracy can be separately determined for the left and right temporal lobes...
  26. ncbi Electrophysiological evidence for cross-modal plasticity in humans with early- and late-onset blindness
    T Kujala
    Department of Psychology, University of Helsinki, Finland
    Psychophysiology 34:213-6. 1997
    ..These results suggest that cross-modal reorganization may occur even in the mature human brain...
  27. ncbi Dysfunction of the auditory cortex persists in infants with certain cleft types
    R Ceponiene
    Department of Psychology, University of Helsinki, Finland
    Dev Med Child Neurol 42:258-65. 2000
    ..This pattern parallels known behavioural differences between children with these cleft types. Brain responses to rare sounds, in contrast, had no differentiative power with respect to the cleft type...
  28. ncbi Selective tuning of cortical sound-feature processing by language experience
    M 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...
  29. ncbi Selective tuning of the left and right auditory cortices during spatially directed attention
    K 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
    ....
  30. ncbi Global field power of auditory N1 correlates with impaired verbal-memory performance in human alcoholics
    J 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...
  31. ncbi Replicability of MEG and EEG measures of the auditory N1/N1m-response
    J Virtanen
    Department of Psychology, University of Helsinki, Helsinki University Central Hospital, Finland
    Electroencephalogr Clin Neurophysiol 108:291-8. 1998
    ..The results suggest that both MEG and EEG can be used for investigating the simultaneous activity of the left and right auditory cortices independently, MEG being superior in certain experimental setups...
  32. ncbi Auditory perception and attention as reflected by the brain event-related potentials in children with Asperger syndrome
    T 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...
  33. ncbi Post-withdrawal changes in middle-latency auditory evoked potentials in abstinent human alcoholics
    J Ahveninen
    Department of Psychology, University of Helsinki, Finland
    Neurosci Lett 268:57-60. 1999
    ..The present results suggest that the post-withdrawal brain hyperexcitability in the alcoholic brain, gradually recovering with abstinence, could be objectively and non-invasively studied with the MAEP...
  34. ncbi Suppression of mismatch negativity by backward masking predicts impaired working-memory performance in alcoholics
    J Ahveninen
    Department of Psychology, University of Helsinki, Finland
    Alcohol Clin Exp Res 23:1507-14. 1999
    ..Pronounced disruption of memory traces by subsequent distractors may result in impaired behavioral memory performance in alcoholics...
  35. ncbi Brain dysfunction in neonates with cleft palate revealed by the mismatch negativity
    M Cheour
    Department of Psychology, University of Helsinki, Finland
    Clin Neurophysiol 110:324-8. 1999
    ..The present study aimed at investigating whether the MMN is attenuated already in newborns with cleft palate compared with healthy controls...
  36. ncbi Event-related potentials associated with sound discrimination versus novelty detection in children
    R 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...
  37. ncbi Neuronal populations in the human brain extracting invariant relationships from acoustic variance
    P Paavilainen
    Department of Psychology, University of Helsinki, Finland
    Neurosci Lett 265:179-82. 1999
    ....
  38. ncbi Cortical auditory dysfunction in children with oral clefts: relation with cleft type
    R Ceponiene
    Department of Psychology, University of Helsinki, Finland
    Clin Neurophysiol 110:1921-6. 1999
    ..We investigated persistence of auditory short-term memory (STM) that is implicitly involved in language-specific perception in children with clefts, grouped using fine-graded cleft classification...
  39. ncbi Electrophysiological evidence of enhanced distractibility in ADHD children
    V 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...
  40. ncbi Background acoustic noise and the hemispheric lateralization of speech processing in the human brain: magnetic mismatch negativity study
    Y Shtyrov
    Department of Psychology, University of Helsinki, Finland
    Neurosci Lett 251:141-4. 1998
    ..However, in noisy conditions the involvement of the left hemisphere's auditory cortex in speech discrimination is considerably decreased, while that of the right hemisphere increases...
  41. ncbi Superior formation of cortical memory traces for melodic patterns in musicians
    M Tervaniemi
    Cognitive Brain Research Unit, Department of Psychology, University of Helsinki, 00014 Helsinki, Finland
    Learn Mem 8:295-300. 2001
    ....
  42. ncbi Maturation of mismatch negativity in infants
    M Cheour
    Department of Psychology, University of Helsinki, Finland
    Int J Psychophysiol 29:217-26. 1998
    ..The mean MMN latency, however, decreased significantly with age, although in 3-month-old infants it was not much longer than in a previous study conducted in adults with the same stimuli...
  43. ncbi Electromagnetic recordings reveal latency differences in speech and tone processing in humans
    H 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...
  44. ncbi Neurophysiological evidence for cortical discrimination impairment of prosody in Asperger syndrome
    T 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...
  45. ncbi Test-retest reliability of mismatch negativity for duration, frequency and intensity changes
    M Tervaniemi
    Department of Psychology, University of Helsinki, Finland
    Clin Neurophysiol 110:1388-93. 1999
    ..The test-retest reliabilities of the mismatch negativity (MMN) elicited by deviances in sound duration, frequency, and intensity were compared...
  46. ncbi Effects of spectral complexity and sound duration on automatic complex-sound pitch processing in humans - a mismatch negativity study
    M 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...
  47. ncbi Pre-attentive discriminability of sound order as a function of tone duration and interstimulus interval: a mismatch negativity study
    M Tervaniemi
    Cognitive Brain Research Unit, Department of Psychology, University of Helsinki, Finland
    Audiol Neurootol 4:303-10. 1999
    ....
  48. ncbi Dose-dependent suppression by ethanol of transient auditory 40-Hz response
    I 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
    ....
  49. ncbi Mismatch negativity and behavioural discrimination in humans as a function of the magnitude of change in sound duration
    M 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...
  50. ncbi Similarities in the phenotype of the auditory neural substrate in children with Asperger syndrome and their parents
    E 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...
  51. ncbi Psychosocial stress attenuates general sound processing and duration change detection
    V 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...
  52. ncbi The musical brain: brain waves reveal the neurophysiological basis of musicality in human subjects
    M Tervaniemi
    Department of Psychology, University of Helsinki, Finland
    Neurosci Lett 226:1-4. 1997
    ....
  53. ncbi Benzodiazepine temazepam suppresses the transient auditory 40-Hz response amplitude in humans
    I P Jääskeläinen
    Department of Psychology, University of Helsinki, Finland
    Neurosci Lett 268:105-7. 1999
    ..This suggests involvement of GABA(A) receptors in transient auditory 40-Hz response generation, however, not in the attentive modulation of the 40-Hz response...
  54. ncbi Basic auditory dysfunction in dyslexia as demonstrated by brain activity measurements
    T Kujala
    Department of Psychology, University of Helsinki, Finland
    Psychophysiology 37:262-6. 2000
    ..This failure can be traced to early cortical mechanisms that process auditory information independently of attention...
  55. ncbi Harmonic partials facilitate pitch discrimination in humans: electrophysiological and behavioral evidence
    M Tervaniemi
    Department of Psychology, University of Helsinki, Finland
    Neurosci Lett 279:29-32. 2000
    ..Together these data indicate that pre-attentive and attentive pitch discrimination is facilitated with spectrally rich sounds in comparison to pure sinusoidal tones...
  56. ncbi Auditory event-related potential indices of increased distractibility in children with major depression
    T 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...
  57. ncbi Plastic neural changes and reading improvement caused by audiovisual training in reading-impaired children
    T 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...
  58. ncbi Effects of naltrexone and ethanol on auditory event-related brain potentials
    I P Jääskeläinen
    Department of Psychology, University of Helsinki, Finland
    Alcohol 15:105-11. 1998
    ..Furthermore, the N2b amplitude was significantly suppressed in the interaction condition, suggesting attentional impairment...
  59. ncbi Simultaneous storage of two complex temporal sound patterns in auditory sensory memory
    Elvira Brattico
    Cognitive Brain Research Unit, Department of Psychology, PO Box 13, FIN 00014, University of Helsinki and Helsinki Brain Research Centre, Finland
    Neuroreport 13:1747-51. 2002
    ..The infrequent sound pattern elicited an MMN, indicating that multiple sound patterns are formed at an early, largely automatic stage of auditory processing...
  60. ncbi Event-related potential indices of auditory vowel processing in 3-year-old children
    R 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...
  61. ncbi Mismatch negativity indexes auditory temporal resolution: evidence from event-related potential (ERP) and event-related field (ERF) recordings
    M Uther
    Cognitive Brain Research Unit, Department of Psychology, University of Helsinki, PO Box 9, Finland FIN 00014
    Brain Res Cogn Brain Res 17:685-91. 2003
    ..Nonetheless, the findings suggest that MMN and MMNm successfully index auditory temporal resolution thresholds, as measures that are independent of attention...
  62. ncbi Mismatch negativity (MMN): perspectives for application
    R 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...
  63. ncbi Central auditory processing of durational changes in complex speech patterns by newborns: an event-related brain potential study
    E 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...
  64. ncbi Separation of contamination caused by coil clicks from responses elicited by transcranial magnetic stimulation
    H Tiitinen
    Department of Psychology, University of Helsinki, Finland
    Clin Neurophysiol 110:982-5. 1999
    ..Furthermore, clicks were found to interact with simultaneously presented auditory sinewave stimuli, resulting in an amplitude decrease in the auditory N1 response...
  65. ncbi The mismatch negativity as an index of temporal processing in audition
    T 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...
  66. ncbi The processing of speech and non-speech sounds in aphasic patients as reflected by the mismatch negativity (MMN)
    Titta Ilvonen
    Cognitive Brain Research Unit, Department of Psychology, University of Helsinki, Finland
    Neurosci Lett 366:235-40. 2004
    ..These results suggest that left-hemisphere lesions have differential effects on the discrimination of speech and acoustic features indicating that they have separate neural substrates...
  67. ncbi Lateralized automatic auditory processing of phonetic versus musical information: a PET study
    M 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...
  68. ncbi Children's performance on pseudoword repetition depends on auditory trace quality: evidence from event-related potentials
    R Ceponiene
    Department of Psychology, University of Helsinki, Finland
    Dev Psychol 35:709-20. 1999
    ..Thus, the accuracy of auditory-sensory processing seems to affect phonological short-term representations in school-age children and therefore may play a role in vocabulary development...
  69. ncbi "Primitive intelligence" in the auditory cortex
    R Naatanen
    Cognitive Brain Research Unit, Dept of Psychology, University of Helsinki, Helsinki, Finland
    Trends Neurosci 24:283-8. 2001
    ....
  70. ncbi No effects of mobile phone use on cortical auditory change-detection in children: an ERP study
    Myoung Soo Kwon
    Department of Psychology, Centre for Cognitive Neuroscience, University of Turku, Assistentinkatu 7, Turku, Finland
    Bioelectromagnetics 31:191-9. 2010
    ..However, it should be noted that the present study only had sufficient statistical power to detect a large effect size...
  71. ncbi Heschl's gyrus, posterior superior temporal gyrus, and mid-ventrolateral prefrontal cortex have different roles in the detection of acoustic changes
    Marc Schönwiesner
    Cognitive Brain Research Unit, Department of Psychology, University of Helsinki, Helsinki, Finland
    J Neurophysiol 97:2075-82. 2007
    ....
  72. ncbi Frequency discrimination at different frequency levels as indexed by electrophysiological and behavioral measures
    Nikolai Novitski
    Department of Psychology, University of Helsinki, Finland
    Brain Res Cogn Brain Res 20:26-36. 2004
    ..8). The harmonical tones elicited MMN and P3a with shorter latencies and larger amplitudes, than did pure sinusoidal tones in all frequency bands. The results may have implication to pitch-perception theories...
  73. ncbi Auditory discrimination after left-hemisphere stroke: a mismatch negativity follow-up study
    Titta-Maria Ilvonen
    Cognitive Brain Research Unit, Department of Psychology, University of Helsinki, Finland
    Stroke 34:1746-51. 2003
    ..CONCLUSIONS: These results suggest that the MMN can be used as an index of the recovery of auditory discrimination...
  74. ncbi Auditory sensory impairment in children with oral clefts as indexed by auditory event-related potentials
    Rita Ceponiene
    Cognitive Brain Research Unit, Department of Psychology, University of Helsinki, Helsinki, Finland
    J Craniofac Surg 13:554-66; discussion 567. 2002
    ..Furthermore, it appears that the ASM impairment and oral clefting are linked in a comorbid fashion...
  75. ncbi Long-term exposure to noise impairs cortical sound processing and attention control
    Teija Kujala
    Helsinki Collegium for Advanced Studies, University of Helsinki, Finland
    Psychophysiology 41:875-81. 2004
    ..These results demonstrate that long-term exposure to noise has long-lasting detrimental effects on central auditory processing and attention control...
  76. ncbi Effects of an NMDA-receptor antagonist MK-801 on an MMN-like response recorded in anesthetized rats
    Dmitry Tikhonravov
    Neuroscience Unit, Institute of Biomedicine Physiology, University of Helsinki, Finland Helsinki Brain Research Center, Finland
    Brain Res 1203:97-102. 2008
    ..Further, this response was dose-dependently blocked by MK-801. These results suggest that the MMN-like response in rats depends on an intact NMDA-receptor system...
  77. ncbi Auditory ERPs reveal brain dysfunction in infants with plagiocephaly
    Polina Balan
    Cognitive Brain Research Unit, Department of Psychology, University of Helsinki, Finland
    J Craniofac Surg 13:520-5; discussion 526. 2002
    ..In the current study we demonstrated, for the first time, that the central sound processing, as reflected by ERPs, is affected in children with plagiocephaly...
  78. ncbi MEG-compatible multichannel EEG electrode array
    J Virtanen
    Department of Psychology, University of Helsinki, Finland
    Electroencephalogr Clin Neurophysiol 99:568-70. 1996
    ..The electrode array is magnetically compatible with MEG and the low-profile electrodes consume minimal space inside the magnetometer...
  79. ncbi Frequency change detection in human auditory cortex
    P May
    Department of Mathematics, King s College London, Strand, UK
    J Comput Neurosci 6:99-120. 1999
    ..The experimental results bear out the prediction that MMN is due to both adaptation and lateral inhibition. Finally, we suggest that MMN might serve as a probe of what stimulus features are mapped by human auditory cortex...
  80. ncbi Pre-attentive processing of spectrally complex sounds with asynchronous onsets: an event-related potential study with human subjects
    M Tervaniemi
    Department of Psychology, University of Helsinki, Finland
    Neurosci Lett 227:197-200. 1997
    ..In summary, the present results support the existence of pre-perceptual integration mechanism of 100-200 ms duration and emphasize its importance in switching attention towards the stimulus change...
  81. ncbi Enhanced brain activity preceding voluntary movement in early blind humans
    A Lehtokoski
    Department of Psychology, University of Helsinki, Finland
    Neurosci Lett 253:155-8. 1998
    ..The results suggest functional changes in the blind subjects' brain activity, presumably, in the cortical areas involved in preparation and initiation of voluntary movement...
  82. ncbi Preattentive extraction of abstract feature conjunctions from auditory stimulation as reflected by the mismatch negativity (MMN)
    P Paavilainen
    Department of Psychology, University of Helsinki, Finland
    Psychophysiology 38:359-65. 2001
    ..The results demonstrate that preattentive processing of auditory stimuli extends to unexpectedly complex relationships between the stimulus features...
  83. ncbi Instrumentation for the measurement of electric brain responses to transcranial magnetic stimulation
    J Virtanen
    Department of Psychology, University of Helsinki, Finland
    Med Biol Eng Comput 37:322-6. 1999
    ..The TMS-compatible multichannel EEG system makes it possible to locate TMS-evoked electric activity in the brain...
  84. ncbi Effects of haloperidol on selective attention: a combined whole-head MEG and high-resolution EEG study
    S 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...
  85. ncbi The mismatch negativity in evaluating central auditory dysfunction in dyslexia
    T 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...
  86. ncbi Independent processing of changes in auditory single features and feature conjunctions in humans as indexed by the mismatch negativity
    R Takegata
    Department of Psychology, University of Helsinki, Finland
    Neurosci Lett 266:109-12. 1999
    ..This result indicates that changes in simple stimulus features and conjunction of features are processed independently by the automatic sound change detection system indexed by MMN...
  87. ncbi Auditory sensory memory disorder in dyslexic adults as indexed by the mismatch negativity
    T Kujala
    Helsinki Collegium for Advanced Studies, and Finland Cognitive Brain Research Unit, Department of Psychology, P O Box 13, FIN 00014 University of Helsinki, Finland
    Eur J Neurosci 17:1323-7. 2003
    ..These results suggest impaired cortical discrimination of sounds and lowered tolerance for the masking effects of rapidly following sounds in dyslexia...
  88. ncbi Impaired preconscious auditory processing and cognitive functions in Alzheimer's disease
    E Pekkonen
    Department of Neurology, Helsinki University Central Hospital, Finland
    Clin Neurophysiol 110:1942-7. 1999
    ..To investigate whether auditory processing correlates with the impairment of the higher cortical functions...
  89. ncbi 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<3
    P 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...
  90. ncbi Mismatch negativity reflects numbers of tones of specific frequencies in humans
    Timo Ruusuvirta
    Cognitive Brain Research Unit, Department of Psychology, P O Box 13, University of Helsinki, 00014 Helsinki, Finland
    Neurosci Lett 436:138-40. 2008
    ....
  91. ncbi Electric brain responses indicate preattentive processing of abstract acoustic regularities in children
    Valentina Gumenyuk
    Cognitive Brain Research Unit, Department of Psychology, University of Helsinki, Helsinki, Finland
    Neuroreport 14:1411-5. 2003
    ..These results suggest that the complexity of the auditory stimulation affects preattentive auditory change detection in children...
  92. ncbi Distinct gamma-band evoked responses to speech and non-speech sounds in humans
    Satu Palva
    Cognitive Brain Research Unit, Department of Psychology, FIN 00014 University of Helsinki, Finland
    J Neurosci 22:RC211. 2002
    ..Consequently, speech-specific neuronal processing may commence no later than 40-60 msec from stimulus onset, possibly in the form of activation of language-specific memory traces...
  93. ncbi Preperceptual human number sense for sequential sounds, as revealed by mismatch negativity brain response?
    Timo Ruusuvirta
    Cognitive Brain Research Unit, Department of Psychology, University of Helsinki, Helsinki, Finland
    Cereb Cortex 17:2777-9. 2007
    ..4:0), suggesting some ability of the human brain to operate on the number of sequential sounds of specific frequencies at a preperceptual time scale...
  94. ncbi Sound complexity and 'speechness' effects on pre-attentive auditory discrimination in children
    Rita Ceponiene
    Cognitive Brain Research Unit, Department of Psychology, Meritullinkatu 1B, P O Box 13, 00014 University of Helsinki, Helsinki, Finland
    Int J Psychophysiol 43:199-211. 2002
    ..The discrimination of the sound duration appears to differ from that of the sound frequency in nature and, consequently, in the neural substrates...
  95. ncbi Event-related potential features indexing central auditory discrimination by newborns
    Rita Ceponiene
    Cognitive Brain Research Unit, Department of Psychology, P O Box 13, University of Helsinki, 00014 Helsinki, Finland
    Brain Res Cogn Brain Res 13:101-13. 2002
    ..The present findings support a change-detection nature of MMN in neonates; however, sound duration-related obligatory effects need to be taken into account in infant MMN studies...
  96. ncbi Parameter-specific modulation of the mismatch negativity to duration decrement and increment: evidence for asymmetric processes
    Rika Takegata
    Cognitive Brain Research Unit, Department of Psychology, PO Box 9, University of Helsinki, Finland and Helsinki Brain Research Centre, Finland
    Clin Neurophysiol 119:1515-23. 2008
    ..Some asymmetries were reported in the previous studies; yet no systematical study has been conducted...
  97. ncbi Preattentive auditory information processing under exposure to the 902 MHz GSM mobile phone electromagnetic field: a mismatch negativity (MMN) study
    Myoung Soo Kwon
    Department of Psychology, Centre for Cognitive Neuroscience, University of Turku, Assistentinkatu 7, Turku, Finland
    Bioelectromagnetics 30:241-8. 2009
    ..In the present study, we found no conclusive evidence that acute exposure to GSM mobile phone EMF affects cortical auditory change detection processing reflected by the MMN...
  98. ncbi Neonatal frequency discrimination in 250-4000-Hz range: electrophysiological evidence
    Nikolai Novitski
    Cognitive Brain Research Unit, Department of Psychology, University of Helsinki and Helsinki Brain Research Center, Helsinki, Finland
    Clin Neurophysiol 118:412-9. 2007
    ..The precision of sound frequency discrimination in newborn infants in the 250-4000-Hz frequency range was determined using the neonatal electrophysiological mismatch response (MMR), the infant equivalent of adult mismatch negativity (MMN)...
  99. ncbi Sound energy and the magnitude of change: effects on mismatch negativity
    Rika Takegata
    Cognitive Brain Research Unit, Institute of Behavioral Sciences, University of Helsinki, Finland
    Neuroreport 22:171-4. 2011
    ..These results, therefore, suggest a possible interplay between the energy of deviant stimulus and magnitude of change in the MMN elicitation...
  100. ncbi The mismatch negativity (MMN) with no standard stimulus
    Satu Pakarinen
    Cognitive Brain Research Unit, University of Helsinki, Helsinki, Finland
    Clin Neurophysiol 121:1043-50. 2010
    ..In the present study, we tested whether the MMN can be recorded even without the standard stimulus, with the invariant properties of the deviant stimuli serving as a standard against which to detect the sound changes...
  101. ncbi The adaptive brain: a neurophysiological perspective
    Teija Kujala
    Cognitive Brain Research Unit, Institute of Behavioural Sciences, University of Helsinki, Helsinki, Finland
    Prog Neurobiol 91:55-67. 2010
    ..They enable one to determine plastic neural changes even in patients who are unable to communicate and in infants learning a language...