Publications of Ingo Hertrich (in reverse chronological order)

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Hertrich, I., Dietrich, S., & Ackermann, H. (2018). Cortical phase locking to accelerated speech in blind and sighted listeners prior to and after training. Brain and Language, 185, 19-29. doi: 10.1016/j.bandl.2018.07.002

Dietrich, S., Hertrich, I., Müller-Dahlhaus, F., Ackermann, H., Belardinelli, P., Desideri, D., . . . Ziemann, U. (2018). Reduced Performance During a Sentence Repetition Task by Continuous Theta-Burst Magnetic Stimulation of the Pre-supplementary Motor Area. Frontiers in Neuroscience, 12(361). doi: 10.3389/fnins.2018.00361

Hertrich, I., & Ackermann, H. (2016). Dysarthrie des Parkinson-Syndroms - klinische Befunde, instrumentelle Daten. In A. Nebel & G. Deuschl (Eds.), Dysarthrie und Dysphagie bei Morbus Parkinson (pp. 56-75). Stuttgart: Thieme.

Hartkopf, J., Schleger, F., Weiss, M., Hertrich, I., Kiefer-Schmidt, I., Preissl, H., & Muenssinger, J. (2016). Neuromagnetic signatures of syllable processing in fetuses and infants provide no evidence for habituation. Early Human Development, 100, 61-66. doi: 10.1016/j.earlhumdev.2016.04.002

Hertrich, I., Dietrich, S., & Ackermann, H. (2016). The role of the supplementary motor area for speech and language processing. Neuroscience & Biobehavioral Reviews, 68, 602-610. doi: 10.1016/j.neubiorev.2016.06.030

Tomaschek, F., Truckenbrodt, H., & Hertrich, I. (2015). Discrimination sensitivities and identification patterns of vowel quality and duration in German /u/ and /o/ instances. In A. Leemann, M.-J. Kolly, S. Schmid & V. Dellwo (Eds.), Trends in Phonetics and Phonology - Studies from German-Speaking Europe (pp. 197-210). Bern: Peter Lang.

Hertrich, I., Mathiak, K., & Ackermann, H. (2015). The role of the cerebellum in speech perception and language comprehension. In P. Marien & M. Manto (Eds.), The Linguistic Cerebellum (pp. 33-50). Boston, MA: Academic Press.

Hertrich, I., Kirsten, M., Tiemann, S., Beck, S., Wühle, A., Ackermann, H., & Rolke, B. (2015). Context-dependent impact of presuppositions on early magnetic brain responses during speech perception. Brain and Language, 149, 1-12. doi: 10.1016/j.bandl.2015.06.005

Dietrich, S., Müller-Dahlhaus, F., Ziemann, U., Ackermann, H., & Hertrich, I. (2015). The role of pre-SMA for time-critical speech perception – a transcranial magnetic stimulation (TMS) study. In M. Wolters, et al. (Ed.), Proceedings of 18th International Congress of Phonetic Sciences (paper 238). Glasgow: University of Glasgow.

Dietrich, S., Hertrich, I., & Ackermann, H. (2015). Network Modeling for Functional Magnetic Resonance Imaging (fMRI) Signals during Ultra-Fast Speech Comprehension in Late-Blind Listeners. PLoS One, 10(7), e0132196. doi: 10.1371/journal.pone.0132196

Dietrich, S., Hertrich, I., Kumar, V., & Ackermann, H. (2015). Experience-Related Structural Changes of Degenerated Occipital White Matter in Late-Blind Humans – A Diffusion Tensor Imaging Study. PLoS One, 10(4), e0122863. doi: 10.1371/journal.pone.0122863

Tiemann, S., Kirsten, M., Beck, S., Hertrich, I., & Rolke, B. (2015). Presupposition Processing and Accommodation: An Experiment on wieder (‘again’) and Consequences for Other Triggers. In F. Schwarz (Ed.), Experimental Perspectives on Presuppositions (pp. 39-65): Springer International Publishing.

Kirsten, M., Tiemann, S., Seibold, V. C., Hertrich, I., Beck, S., & Rolke, B. (2014). When the polar bear encounters many polar bears: event-related potential context effects evoked by uniqueness failure. Language, Cognition and Neuroscience, 29, 1147-1162. doi: 10.1080/23273798.2014.899378

Marien, P., Ackermann, H., Adamaszek, M., Barwood, C. H. S., Beaton, A., Desmond, J., De Witte, E., Fawcett, A. J., Hertrich, I., Kuper, M., Leggio, M., Marvel, C., Molinari, M., Murdoch, B. E., Nicolson, R. I., Schmahmann, J. D., Stoodley, C. J., Thurling, M., Timmann, D., Wouters, E., & Ziegler, W. (2014). Consensus Paper: Language and the Cerebellum: an Ongoing Enigma. Cerebellum, 13(3), 386-410. doi: 10.1007/s12311-013-0540-5

Dietrich, S., Hertrich, I., & Ackermann, H. (2013). Training of ultra-fast speech comprehension induces functional reorganization of the central-visual system in late-blind humans. Frontiers in Human Neuroscience, 7, 701. doi: 10.3389/fnhum.2013.00701

Hertrich, I., Dietrich, S., & Ackermann, H. (2013). How can audiovisual pathways enhance the temporal resolution of time-compressed speech in blind subjects? Frontiers in Psychology, 4, 530. doi: 10.3389/fpsyg.2013.00530

Dietrich, S., Hertrich, I., & Ackermann, H. (2013). Ultra-fast speech comprehension in blind subjects engages primary visual cortex, fusiform gyrus, and pulvinar -- a functional magnetic resonance imaging (fMRI) study. BMC Neurosci, 14(1), 74. doi: 10.1186/1471-2202-14-74

Hertrich, I., & Ackermann, H. (2013). Neurophonetics. Wiley Interdisciplinary Reviews: Cognitive Science, 4(2), 191-200. doi: 10.1002/wcs.1211

Tomaschek, F., Truckenbrodt, H., & Hertrich, I. (2013). Neural processing of acoustic duration and phonological German vowel length: Time courses of evoked fields in response to speech and nonspeech signals. Brain and Language, 124(1), 117-131. doi: 10.1016/j.bandl.2012.11.011

Hertrich, I., Dietrich, S., & Ackermann, H. (2013). Tracking the speech signal – Time-locked MEG signals during perception of ultra-fast and moderately fast speech in blind and in sighted listeners. Brain and Language, 124(1), 9-21. doi: 10.1016/j.bandl.2012.10.006

Schock, L., Dyck, M., Demenescu, L. R., Edgar, J. C., Hertrich, I., Sturm, W., et al. (2012). Mood Modulates Auditory Laterality of Hemodynamic Mismatch Responses during Dichotic Listening. PLoS One, 7(2), e31936. doi: 10.1371/journal.pone.0031936.

Dietrich, S., Hertrich, I., Riedel, A., & Ackermann, H. (2012). Brief Report: Impaired Differentiation of Vegetative/Affective and Intentional Nonverbal Vocalizations in a Subject with Asperger Syndrome (AS). Journal of Autism and Developmental Disorders, 42(10), 2219-2224. doi: 10.1007/s10803-012-1455-6

Hertrich, I., Dietrich, S., Trouvain, J., Moos, A., & Ackermann, H. (2012). Magnetic brain activity phase-locked to the envelope, the syllable onsets, and the fundamental frequency of a perceived speech signal. Psychophysiology, 49(3), 322-334. doi: 10.1111/j.1469-8986.2011.01314.x

Tomaschek, F., Truckenbrodt, H., & Hertrich, I. (2011). German Vowel Quantity: Categorical Perception or Perceptual Magnet Effect? Proc. 17th International Congress of Phonetic Sciences (pp. 2002-2005). Hong Kong.

Tiemann, S., Schmid, M., Bade, N., Rolke, B., Hertrich, I., Ackermann, H., et al. (2011). Psycholinguistic evidence for presuppositions: On-line and off-line data. In I. Reich (Ed.), Proceedings of Sinn & Bedeutung 15 (pp. 581-595). Saarbrücken: Saarland University Press.

Hertrich, I., Dietrich, S., Trouvain, J., Moos, A., & Ackermann, H. (2011). Magnetic brain activity tracing the perceived speech signal regarding envelope, syllable onsets, and pitch periodicity Proc. 17th International Congress of Phonetic Sciences (pp. 863-866). Hong Kong.

Hertrich, I., Dietrich, S., & Ackermann, H. (2011). Cross-modal Interactions during Perception of Audiovisual Speech and Nonspeech Signals: An fMRI Study. Journal of Cognitive Neuroscience, 23, 221-237.

Sidiropoulos, K., Ackermann, H., Wannke, M., & Hertrich, I. (2010). Temporal processing capabilities in repetition conduction aphasia. Brain and Cognition, 73, 194-202.

Ackermann, H., Hertrich, I., Ziegler, W. (2010). Dysarthria. In: Damico, J.S., Müller, N., Ball, M.J. (eds). Handbook of Language and Speech Disorders (pp. 362-390), Wiley-Blackwell: Malden/MA.

Brendel, B., Hertrich, I., Erb, M., Lindner, A., Riecker, A., Grodd, W., et al. (2010). The contribution of mesiofrontal cortex to the preparation and execution of repetitive syllable productions: An fMRI study. NeuroImage, 50, 1219-1230.

Hertrich, I., Dietrich, S., Moos, A., Trouvain, J., & Ackermann, H. (2009). Enhanced speech perception capabilities in a blind listener are associated with activation of fusiform gyrus and primary visual cortex. Neurocase, 15, 163-170.

Hertrich, I., Mathiak, K., Lutzenberger, W., & Ackermann, H. (2009). Time course of early audiovisual interactions during speech and nonspeech central auditory processing: A magnetoencephalography study. Journal of Cognitive Neuroscience, 21, 259-274.

Moos, A., Hertrich, I., Dietrich, S., Moos, A., Trouvain, J., & Ackermann, H. (2008).  Perception of Ultra-Fast Speech by a Blind Listener – Does He Use His Visual System? In R.Sock, S. Fuchs, & Y. Laprie (Eds.), Proc. 8th Int. Seminar on Speech Production (pp. 297-300). Strasbourgh: INRIA

Dietrich, S., Hertrich, I., Alter, K., Ischebeck, A., & Ackermann, H. (2008). Understanding the emotional expression of verbal interjections: a functional MRI study. Neuroreport, 19, 1751-1755.

Zvyagintsev, M., Nikolaev, A. R., Mathiak, K. A., Menning, H., Hertrich, I., & Mathiak, K. (2008). Predictability modulates motor-auditory interactions in self-triggered audio-visual apparent motion. Experimental Brain Research, 189, 289-300, DOI 10.1007/s00221-008-1423-8.

Penner, H., Miller, N., Uttenweiler, V., Hertrich, I., & Ackermann, H. (2008). Effects of the Lee Silverman Voice Treatments (LSVT) on prosody in speakers suffering from Parkinson's disease. Sprache-Stimme-Gehör, 32, 64-73.

Ackermann, H. & Hertrich, I. (2008). Dysarthrie des Parkinson-Syndroms -  klinische Befunde, instrumentelle Daten. In A.Nebel & G. Deuschl (Eds.), Dysarthrie und Dysphagie bei Morbus Parkinson (pp. 34-51). Stuttgart: Thieme.

Dietrich, S., Hertrich, I., Alter, K., Ischebeck, A., & Ackermann, H. (2007). Semiotic aspects of human nonverbal vocalizations: a functional imaging study. Neuroreport, 18, 1891-1894.

Hertrich, I. & Ackermann, H. (2007). Modelling voiceless speech segments by means of an addditive procedure based on the computation of formant sinusoids. In P.Wagner, J. Abresch, S. Breuer, & W. Hess (Eds.), Proceedings of the 6th ISCA Workshop on Speech Synthesis (pp. 178-181). Bonn: University of Bonn.

Hertrich, I., Lutzenberger, W., & Ackermann, H. (2007). Phonological aspects of audiovisual speech perception. In J.Trouvain & W. J. Barry (Eds.), Proceedings of the 16th International Congress of Phonetic Sciences (pp. 117-122). Saarbrücken: University of Saarbrücken

Hertrich, I. & Ackermann, H. (2007). Exploration of orofacial speech movements. In P. Auzou, V. Rolland-Monnoury, S. Pinto, & C. Ozsancak (Eds.), Les Dysarthries, CD-Version (pp. 132-139). Marseille: Solal.

Hertrich, I. & Ackermann, H. (2007). Exploration des mouvements oro-faciaux impliqués dans la parole. In P. Auzou, V. Rolland-Monnoury, S. Pinto, & C. Ozsancak (Eds.), Les Dysarthries, CD-Version (pp. 123-131). Marseille: Solal.

Mathiak, K., Menning, H., Hertrich, I., Mathiak, K. A., Zvyagintsev, M., & Ackermann, H. (2007). Who is telling what from where? A functional magnetic resonance imaging study. Neuroreport, 18, 405-409.

Hertrich, I., Mathiak, K., Lutzenberger, W., Menning, H., & Ackermann, H. (2007). Sequential audiovisual interactions during speech perception: A whole-head MEG study. Neuropsychologia, 45, 342-1354. (doi:10.1016/j.neuropsychologia.2006.09.019) 

Ackermann, H., Hertrich, I., Lutzenberger, W., & Mathiak, K. (2006). Functional neuroanatomy of speech sound perception: Clinical and imaging data. Aktuelle Neurologie, 33, 218-231.

Kaiser, J., Hertrich, I., Ackermann, H., & Lutzenberger, W. (2006). Gamma-band activity over early sensory areas predicts detection of changes in audiovisual speech stimuli. Neuroimage, 30, 1376-1382.

Mathiak, K, Hertrich,I. Swirszcz, K., Zvyagintzsev,M., Lutzenberger, W. and Ackermann, H. (2005). Preattentive crossmodal information processing under distraction and fatigue In D.D. Schmorrow: Foundations of Augmented Cognition, pp. 1055-1064. Lawrence Erlbaum Associates, Mahwah, NJ., ISBN: 0-8058-5806-7.

Mathiak, K., Hertrich, I., Zvyagintsev, M., Lutzenberger, W., & Ackermann, H. (2005). Selective influences of cross-modal spatial cues on preattentive auditory processing: a whole-head magnetoencephalography study. Neuroimage, 28, 627-634.

Menning, H., Ackermann, H., Hertrich, I., & Mathiak, K. (2005). Spatial auditory attention is modulated by tactile priming. Experimental Brain Research, 164, 41-47.

Ackermann, H., Hertrich, I., & Mathiak, K. (2005). Neurobiological basis of speech sound perception: Clinical and functional imaging data. Sprache Stimme Gehör, 29, 112-120.

Riecker, A., Mathiak, K., Wildgruber, D., Erb, M., Hertrich I., Grodd, W., & Ackermann, H. (2005). fMRI reveals two distinct cerebral networks subserving speech motor control. Neurology, 64, 700-706. http://www.neurology.org/cgi/reprint/64/4/700

Hertrich, I., Mathiak, K., Menning, H., Lutzenberger, W., & Ackermann, H. (2005). MEG responses to rippled noise and Huggins pitch reveal similar cortical representations. Neuroreport, 16, 193-196.

Ackermann, H., Hertrich, I., Lutzenberger, W., & Mathiak, K. (2005). Cerebral organization of speech sound perception: Hemispheric lateralization effects at the level of the supratemporal plane, the inferior dorsolateral frontal lobe and the cerebellum. In R.König, P. Heil, E. Budinger, & H. Scheich (Eds.), The Auditory Cortex: A Synthesis of Human and Animal Research (pp. 181-200). Mahwah, NJ: Erlbaum.

Wildgruber, D., Riecker, A., Hertrich, I., Erb, M., Grodd, W., Ethofer, T., & Ackermann, H. (2005). Identification of emotional intonation evaluated by fMRI. Neuroimage, 24, 1233-1241.

Kaiser, J., Hertrich, I., Ackermann, H., Mathiak, K., & Lutzenberger, W. (2005). Hearing lips: Gamma-band activity during audiovisual speech perception. Cerebral Cortex, 15, 646-653.

Ackermann, H., Mathiak, K., Wildgruber, D., Hertrich, I., & Lutzenberger, W. (2004). Neurobiologische Grundlagen der Sprachlautwahrnehmung: Klinische und funktionell-bildgebende Befunde. In H.M.Müller & G. Rickheit (Eds.), Neurokognition der Sprache (pp. 167-189). Tübingen: Stauffenburg Verlag.

Ackermann, H., Hertrich, I., Grodd, W., & Wildgruber, D. (2004). Das Hören von Gefühlen: Funktionell-neuroanatomische Grundlagen der Verarbeitung affektiver Prosodie. Aktuelle Neurologie, 31, 449-460.

Wildgruber, D., Hertrich, I., Riecker, A., Erb, M., Anders, S., Grodd, W., & Ackermann, H. (2004). Distinct frontal regions subserve evaluation of linguistic and emotional aspects of speech intonation. Cerebral Cortex, 14, 1384-1389.

Mathiak, K., Hertrich, I., Grodd, W., & Ackermann, H. (2004). Discrimination of temporal information at the cerebellum: functional magnetic resonance imaging of nonverbal auditory memory. Neuroimage, 21, 154-162.

Hertrich, I., Mathiak, K., Lutzenberger, W., & Ackermann, H. (2004). Transient and phase-locked evoked magnetic fields in response to periodic acoustic signals. Neuroreport, 15, 1687-1690.

Hertrich, I., Mathiak, K., Lutzenberger, W., & Ackermann, H. (2004). Time course and hemispheric lateralization effects of complex pitch processing: evoked magnetic fields in response to rippled noise stimuli. Neuropsychologia, 42, 1814-1826.

Menning, H., Mathiak, K., Kincses, W. E., Hertrich, I., Lutzenberger, W., Ackermann, H. (2003): Involuntary interaction of unattended multisensory objects in virtual space. Proceedings of the Society of Neuroscience, 33rd Annual Meeting, New Orleans (USA).

Mathiak, K., Hertrich, I., Kincses, W. E., Riecker, A., Lutzenberger, W., & Ackermann, H. (2003). The right supratemporal plane hears the distance of objects: neuromagnetic correlates of virtual reality. Neuroreport, 14, 307-311.

Hertrich, I., Mathiak, K., Lutzenberger, W., & Ackermann, H. (2003). Processing of dynamic aspects of speech and non-speech stimuli: a whole-head magnetoencephalography study. Cognitive Brain Research, 17, 130-139.

Ackermann, H. & Hertrich, I. (2003). Cerebellar Contributions to Speech Motor Control and Auditory Verbal Imagery: Acoustic / Kinematic Analyses of Ataxic Dysarthria and Functional Magnetic Resonance Imaging in Healthy Subjects. In D.Recasens, M.-J. Sole, & J. Romero (Eds.), Proceedings of the 15th International Congress of Phonetic Sciences (pp. 163-168). Barcelona: University of Barcelona.

Hertrich, I., Mathiak, K., Lutzenberger, W., & Ackermann, H. (2003). Time course and lateralization of evoked magnetic fields during complex pitch processing. In D.Recasens, M.-J. Sole, & J. Romero (Eds.), Proceedings of the 15th International Congress of Phonetic Sciences (pp. 1715-1718). Barcelona: University of Barcelona.

Mathiak, K., Hertrich, I., Lutzenberger, W., & Ackermann, H. (2002). The influence of critical bands on neuromagnetic fields evoked by speech stimuli in humans. Neuroscience Letters, 329, 29-32.

Mathiak, K., Hertrich, I., Lutzenberger, W., & Ackermann, H. (2002). Functional cerebral asymmetries of pitch processing during dichotic stimulus application: a whole-head magnetoencephalography study. Neuropsychologia, 40, 585-593.

Mathiak, K., Rapp, A., Kircher, T. T., Grodd, W., Hertrich, I., Weiskopf, N., Lutzenberger, W., & Ackermann, H. (2002). Mismatch responses to randomized gradient switching noise as reflected by fMRI and whole-head magnetoencephalography. Human Brain Mapping, 16, 190-195.

Mathiak, K., Hertrich, I., Grodd, W., & Ackermann, H. (2002). Cerebellum and speech perception: a functional magnetic resonance imaging study. Journal of  Cognitive Neuroscience, 14, 902-912.

Gräber, S., Hertrich, I., Daum, I., Spieker, S., & Ackermann, H. (2002). Speech perception deficits in Parkinson's disease: underestimation of time intervals compromises identification of durational phonetic contrasts. Brain and Language, 82, 65-74.

Hertrich, I., Mathiak, K., Lutzenberger, W., & Ackermann, H. (2002). Hemispheric lateralization of the processing of consonant-vowel syllables (formant transitions): effects of stimulus characteristics and attentional demands on evoked magnetic fields. Neuropsychologia, 40, 1902-1917.

Wildgruber, D., Hertrich I., Ackermann, H., Riecker, A., & Grodd, W. (2001). Processing of linguistic and affective aspects of speech intonation evaluated by fMRI. Neuroimage, 13, S627.

Penner, H., Miller, N., Hertrich, I., Ackermann, H., & Schumm, F. (2001). Dysprosody in Parkinson's disease: an investigation of intonation patterns. Clinical Linguistics and Phonetics, 15, 551-566.

Mathiak, K., Hertrich, I., Lutzenberger, W., & Ackermann, H. (2001). Neural correlates of duplex perception: a whole-head magnetencephalography study. Neuroreport, 12, 501-506.

Ackermann, H., Hertrich, I., Mathiak, K., & Lutzenberger, W. (2001). Contralaterality of cortical auditory processing at the level of the M50/M100 complex and the mismatch field: a whole-head magnetoencephalography study. Neuroreport, 12, 1683-1687.

Jaeger, M., Frohlich, M., Hertrich, I., Ackermann, H., & Schonle, P. W. (2001). Dysphonia subsequent to severe traumatic brain injury: comparative perceptual, acoustic and electroglottographic analyses. Folia Phoniatrica et Logopaedica, 53, 326-337.

Ackermann, H. & Hertrich, I. (2000). The contribution of the cerebellum to speech processing. Journal of Neurolinguistics, 13, 95-116.

Hertrich, I., Mathiak, K., Lutzenberger, W., & Ackermann, H. (2000). Differential impact of periodic and aperiodic speech-like acoustic signals on magnetic M50/M100 fields. Neuroreport, 11, 4017-4020.

Mathiak, K., Klose, U., Ackermann, H., Hertrich, I., Kincses, W. E., & Grodd, W. (2000). Stroboscopic articulography using fast magnetic resonance imaging. International Journal of Language and Communication Disorders, 35, 419-425.

Mathiak, K., Hertrich, I., Lutzenberger, W., & Ackermann, H. (2000). Encoding of temporal speech features (formant transients) during binaural and dichotic stimulus application: a whole-head magnetencephalography study. Cognitive Brain Research, 10, 125-131.

Pihan, H., Altenmüller, E., Hertrich, I., & Ackermann, H. (2000). Cortical activation patterns of affective speech processing depend on concurrent demands on the subvocal rehearsal system. A DC-potential study. Brain, 123, 2338-2349.

Jaeger, M., Hertrich, I., Stattrop, U., Schönle, P. W., & Ackermann, H. (2000). Speech disorders following severe traumatic brain injury: kinematic analysis of syllable repetitions using electromagnetic articulography. Folia Phoniatrica et Logopaedica, 52, 187-196.

Hertrich, I. & Ackermann, H. (2000). Lip-jaw and tongue-jaw coordination during rate-controlled syllable repetitions. Journal of the Acoustical Society of America, 107, 2236-2247.

Mathiak, K., Hertrich, I., Lutzenberger, W., & Ackermann, H. (1999). Preattentive processing of consonant vowel syllables at the level of the supratemporal plane: a whole-head magnetencephalography study. Cognitive Brain Research, 8, 251-257.

Dannheimer, H., Düwel, K., Hertrich, I., Hopf, M., Hundt, H. J., & Wamser, L. (1999). Das baiuwarische Reihengräberfeld von Aubing, Stadt München Stuttgart: Theiss.

Breitenstein, C., Van Lancker, D., Daum, I., Hertrich, I., & Ackermann, H. (1999). Acoustic analyses of emotional prosody following cortical and subcortical damage: Comparisons with listeners' ratings and perception of emotional prosody. Brain and Language, 69, 355-358.

Ackermann, H., Lutzenberger, W., & Hertrich, I. (1999). Hemispheric lateralization of the neural encoding of temporal speech features: a whole-head magnetencephalography study. Cognitive Brain Research, 7, 511-518.

Mathiak, K., Hertrich, I., Lutzenberger, W., & Ackermann, H. (1999). Pre-attentive processing of consonant-vowel syllables at the supratemporal plane: A whole-head MEG study. In J.J.Ohala, Y. Hasegawa, M. Ohala, D. Granville, & A. C. Baily (Eds.), Proceedings of the XIVth Int. Congr. of Phonetic Sci (pp. 2077-2080). Berkely, CA: University of California.

Horn, H., Scholl, T., Berndt, R., Hertrich, I., Ackermann, H., & Goez, G. (1999). Development and advantage of a new electromagnetic articulography instrument for the investigation of the orofacial structures. In J.J.Ohala, Y. Hasegawa, M. Ohala, D. Granville, & A. C. Baily (Eds.), Proceedings of the XIVth Int. Congr. of Phonetic Sci (pp. 1353-1356). Berkely, CA: University of California.

Hertrich, I. & Ackermann, H. (1999). Kinematic analysis of lower lip-jaw and tongue-jaw interactions during syllable repetitions: Some aspects of motor equivalence. In J.J.Ohala, Y. Hasegawa, M. Ohala, D. Granville, & A. C. Baily (Eds.), Proceedings of the XIVth Int. Congr. of Phonetic Sci (pp. 1781-1784). Berkely, CA: University of California.

Hertrich, I. and Ackermann, H. (1999). A vowel synthesizer based on formant sinusoids modulated by fundamental frequency. Journal of the Acoustical Society of America, 106, 2988-2990.

Topka, H., Mechtcheriakov, S., Boose, A., Hertrich, I., Seydel, L., Dichgans, J. and Rothwell, J. (1999). A cerebellar-like action tremor induced in normal man by transcranial magnetic stimulation. Brain, 122, 1551-1562.

Hertrich, I. and Ackermann, H. (1999). Temporal and spectral aspects of coarticulation in ataxic dysarthria: An acoustic analysis. Journal of Speech, Language, and Hearing Research, 42, 367-381.

Mathiak, K., Hertrich, I., Lutzenberger, W., & Ackermann, H. (1999). MEG-recordings of speech and non-speech of syllables perception. Neuroimage, 9, S1048.

Ackermann, H., Gräber, S., Hertrich, I. and Daum, I. (1999) Cerebellar contributions to time perception within the speech and non-speech domain. Brain and Language, 67, 228-241.

Ackermann, H., Gräber, S., Hertrich, I. and Daum, I. (1999). Phonemic vowel length contrasts in cerebellar disorders. Brain and Language, 67, 95-109.

Ackermann, H., Lutzenberger, W. and Hertrich, I. (1999). Hemisphere lateralization of the neural encoding of temporal speech features: a whole-head magnetencephalography study. Cognitive Brain Research, 7, 511-518.

Scharf, G., Hertrich, I. and Ackermann, H. (1998). Timing deficits in dysarthric patients: Acoustic and articulatory correlates of vowel type and vowel quantity in patients with Parkinson's disease and cerebellar ataxia. In: Ziegler, W. and Deger, K.: Clinical Phonetics and Linguistics.- London: Whurr, pp 423-434.

Pihan, H., Altenmüller, E., Hertrich, I. and Ackermann, H. (1998). The cortical processing of affective speech prosody: a DC-potential study. In: Ziegler, W. and Deger, K.: Clinical Phonetics and Linguistics.- London: Whurr, pp 349-358.

Horn, H., Scholl, T., Ackermann, H., Hertrich, I., Berndt, R. and Göz, G. (1998). Neuentwicklung eines elektromagnetischen Artikulographen zur Registrierung von Zungen-und Lippenbewegungen. In: Gross, M.: Aktuelle phoniatrisch-pädaudiologische Aspekte 1997/98 (Vol. 5).- Median Verlag, Heidelberg, pp 201-204.

Hertrich, I., Spieker, S. and Ackermann, H. (1998). Gender-specific phonatory dysfunctions in disorders of the basal ganglia and the cerebellum: Acoustic and perceptual characteristics. In: Ziegler, W. and Deger, K.: Clinical Phonetics and Linguistics.- London: Whurr, pp 448-457.

Hertrich, I., Pihan, H., Altenmüller, E. and Ackermann, H. (1998). Kortikale Verarbeitung prosodische Information: Ableitung von langsamen Potentialen bei der Perzeption affektiv gefärbter Sprache. Homo, 49, S46.

Hertrich, I., Lutzenberger, W., Spieker, S. and Ackermann, H. (1998). Fraktale Dimension angehaltener Vokale bei neurogenen Dysphonien: Akustische und elektroglottographische Analyse. In: Gross, M.: Aktuelle phoniatrisch-pädaudiologische Aspekte 1997/98 (Vol. 5).- Median Verlag, Heidelberg, pp 37-42.

Hertrich, I. and Ackermann, H. (1998). Auditory perceptual evaluation of rhythm-manipulated and resynthesized sentence utterances obtained from cerebellar patients and normal speakers: a preliminary report. Clinical Linguistics and Phonetics, 12, 427-437.

Gräber, S., Ackermann, H., Hertrich, I. and Daum, I. (1998). Speech perception and production in cerebellar disorders: The contribution of timing deficits. In: Ziegler W. and Deger K.: Clinical Phonetics and Linguistics.- London: Whurr, pp 435-439.

Konczak, J., Ackermann, H., Hertrich, I., Spieker, S. and Dichgans, J. (1997). Die motorische Kontrolle repetitiver Lippen- und Fingerbewegungen beim Parkinson-Syndrom: Der Einfluss externer Zeitgeber und simultaner Eigenbewegungen auf die Willkürmotorik. Zeitschrift für EEG und EMG, 28, 206.

Konczak, J., Ackermann, H., Hertrich, I., Spieker, S. and Dichgans, J. (1997). Control of repetitive lip and finger movements in Parkinson's disease: influence of external timing signals and simultaneous execution on motor performance. Movement Disorders, 12, 665-676.

Horn, H., Scholl, T., Berndt, R., Hertrich, I., Ackermann, H. and Göz, G. (1997). Improvement of an electromagnetic articulograph for registering tongue and lip movements. Biomed Tech, 42, S321-322.

Hertrich, I., Lutzenberger, W., Spieker, S. and Ackermann, H. (1997). Fractal dimension of sustained vowel productions in neurological dysphonias: An acoustic and electroglottographic analysis. Journal of the Acoustical Society of America, 102, 652-654.

Hertrich, I., Ackermann, H. and Spieker, S. (1997). Kinematische Untersuchungen zur Sprechmotorik bei Morbus Parkinson. Neurologie & Rehabilitation, Suppl. 4/97, 9.

Hertrich, I. and Ackermann, H. (1997). Articulatory control of vowel length contrasts: Kinematic analysis of labial gestures. Journal of the Acoustical Society of America, 102, 523-536.

Hertrich, I. and Ackermann, H. (1997). Accuracy of lip movement analysis. Comparison between electromagnetic articulography and an optical two-camera device. Forschungsberichte des Instituts für Phonetik und sprachliche Kommunikation der Universität München, 35, 165-170.

Hertrich I. and Ackermann H. (1997). Acoustic analysis of durational speech parameters in neurological dysarthrias.- In: Lebrun Y.: From the brain to the mouth.- Kluver, Dordrecht, pp 11-47.

Ackermann, H., Scharf, G., Hertrich, I. and Daum, I. (1997). Articulatory disorders in primary progressive aphasia: an acoustic and kinematic analysis. Aphasiology, 11, 1017-1030.

Ackermann, H., Konczak, J. and Hertrich, I. (1997). The temporal control of repetitive articulatory movements in Parkinson's disease. Brain and Language, 56, 312-319.

Ackermann, H., Hertrich, I., Daum, I., Scharf, G. and Spieker, S. (1997). Kinematic analysis of articulatory movements in central motor disorders. Movement Disorders, 12, 1019-1027.

Ackermann, H. and Hertrich, I. (1997). Voice onset time in ataxic dysarthria. Brain and Language, 56, 321-333.

Ackermann, H., Gräber, S., Hertrich, I. and Daum, I. (1997). Categorical speech perception in cerebellar disorders. Brain and Language, 60, 323-331.

Hertrich, I., Ackermann, H., Braun, S. and Spieker, S. (1996). Geschlechtsdimorphismus pathologischer Stimmmerkmale bei zentralnervösen Dysphonien: eine vergleichend auditiv-akustische Studie. Sprache - Stimme - Gehör, 20, 169-174.

Hertrich, I. and Ackermann, H. (1996). Electroglottographic assessment of vocal instabilities in patients with Parkinson's disease and cerebellar atrophy. In: Powell, T.: Pathologies of Speech and Language: Contributions of Clinical Phonetics and Linguistics.- ICPLA, New Orleans, pp 199-202.

Ackermann, H., Hertrich, I., Ziegler, W., Bitzer, M. and Bien, S. (1996). Acquired dysfluencies following infarction of the left mesiofrontal cortex. Aphasiology, 10, 409-417.

Ackermann, H., Hertrich, I., Daum, I., Scharf, G. and Spieker, S. (1996). Kinematic analysis of articulatory movements in central motor disorders. In: Cannito, M., Yorkston, Y. and Beukelman, D.: Motor Speech Disorders: Neurobases, assessment and treatment.- Brookes: Baltimore.

Scharf, G., Hertrich, I., Roux, J. and Dogil, G. (1995). An articulatory description of clicks by means of electromagnetic articulography. In: Elenius, K. and Branderud, P.: Proceedings ICPhS 95 Stockholm, Vol. 1.- KTH and Stockholm University, Stockholm, pp 378-379.

Scharf, G., Hertrich, I., Roca, I. and Dogil, G. (1995). Articulatory correlates of secondary stress in Polish and Spanish.- In: Elenius, K. and Branderud, P.: Proceedings ICPhS 95 Stockholm, Vol. 4.- KTH and Stockholm University, Stockholm, pp 634-637.

Pihan, H., Altenmüller, E., Hertrich, I. and Ackermann, H. (1995). Right-hemispheric processing of prosodic information: a DC-potential study. In: Elsner, N. and Menzel, R.: Learning and Memory.- Stuttgart: Thieme.

Konczak, J., Ackermann, H. and Hertrich, I. (1995). Die zeitliche Kontrolle repetitiver Lippenbewegungen beim Parkinson-Syndrom. Arbeitspapiere des Instituts für maschinelle Sprachverarbeitung der Universität Stuttgart, 15-28.

Hertrich, I., Ackermann, H. and Scharf, G. (1995). Acquired stuttering in Parkinsonian syndromes. In: Starkweather, C.W. and Peters, H.F.M.: Proceedings 1st World Congress on Fluency Disorders at Munich, August 8-11, 1994, Volume 2.- University Press, Nijmegen, theNetherlands, pp 635-638.

Hertrich, I. and Ackermann, H. (1995). Coarticulation in slow speech: Durational and spectral analysis. Language and Speech, 38, 159-187.

Hertrich, I. and Ackermann, H. (1995). The influence of slowed speech rate on coarticulation: Acoustic analysis of durational and spectral parameters. In: Elenius K. and Branderud P.: Proceedings ICPhS 95 Stockholm, Vol. 2.- KTH and Stockholm University, Stockholm, pp 590-593.

Hertrich, I. and Ackermann, H. (1995). Elektroglottographische Analysen der Dysphonie bei Morbus Parkinson und Kleinhirnerkrankungen.- In: Gross, E.: Aktuelle phoniatrisch-pädaudiologische Aspekte 1994 (Vol. 2).- Berlin: Renate Gross Verlag, pp 135-137.

Hertrich, I. and Ackermann, H. (1995). Charakterisierung von Stimm-Instabilitäten bei Morbus Parkinson und zerebellärer Ataxie mit Spektrogrammen des Elektroglottogramms. Arbeitspapiere des Instituts für maschinelle Sprachverarbeitung der Universität Stuttgart, 1-14.

Hertrich, I. and Ackermann, H. (1995). Gender-specific vocal dysfunctions in Parkinson's disease: Electroglottographic and acoustic analyses. Annals of Otology, Rhinology & Laryngology, 104, 197-202.

Hertrich, I. and Ackermann, H. (1995). Electroglottographic assessment of vocal instabilities in patients with Parkinson's disease and cerebellar atrophy. In T. W. Powell (Ed.), Pathologies of Speech and Language: Contributions of Clinical Phonetics and Linguistics (pp. 199-202). New Orleans: International Clinical Linguistics and Phonetics Association.

Goerlich, C., Daum, I., Hertrich, I. and Ackermann, H. (1995). Verbal short-term memory and motor speech processes in Broca's aphasia. Behavioural Neurology, 8, 81-91.

Ackermann, H., Hertrich, I. and Ziegler, W. (1995). Stimmstörungen bei zentralmotorischen Erkrankungen (Morbus Parkinson, Chorea Huntington, Ataxien).- In: Gross, E.: Aktuelle phoniatrisch-pädaudiologische Aspekte 1994 (Vol. 2).- Berlin: Renate Gross Verlag, pp 138-142.

Ackermann, H., Hertrich, I. and Scharf, G. (1995). Kinematic analysis of lower lip movements in ataxic dysarthria. Journal of Speech and Hearing Research, 38, 1252-1259.

Ackermann, H., Hertrich, I. and Hehr, T. (1995). Oral diadochokinesis in neurological dysarthrias. Folia Phoniatrica et Logopaedica, 47, 15-23.

Hertrich, I. and Ackermann, H. (1994). Acquired stuttering in Parkinson Syndrome. Journal of Fluency Disorders, 19, 179.

Hertrich I. and Ackermann H. (1994). Voice onset time in neurological dysarthrias. In: Aulanko, R., Korpijaakko-Huuhka, A.-M.: Proceedings of the Third Congress of the International Clinical Phonetics and Linguistics Association. Publications of the Department of Phonetics, University of Helsinki, Volume 39.- Helsinki: Department of Phonetics, pp 59-66.

Hertrich, I. and Ackermann, H. (1994). Acoustic analysis of speech timing in Huntington's disease. Brain and Language, 47, 182-196.

Ackermann, H., Hertrich, I. and Konczak, J. (1994). Central timing mechanisms in Parkinson's disease: Implications for the control of repetitive lip- and finger movements. Movement Disorders, 9, 94.

Ackermann, H., Hertrich, I. and Daum, I. (1994). Temporal coordination of articulatory and phonatory activity in patients with cerebellar ataxia. Movement Disorders, 9, 124.

Ackermann, H. and Hertrich, I. (1994). Speech rate and rhythm in cerebellar dysarthria: An acoustic analysis of syllabic timing. Folia Phoniatrica et Logopaedica, 46, 70-78.

Hertrich, I., Ackermann, H., Ziegler, W. and Kaschel, R. (1993). Speech iterations in Parkinsonism: A case study. Aphasiology, 7, 395-406.

Hertrich, I. and Ackermann, H. (1993). Speech timing in cerebellar dysfunctions. In: Elsner, N. and Heisenberg, M.: Gene-Brain-Behaviour: Proc. 21th Göttingen Neurobiology Conference.- Thieme, Stuttgart, pp 489.

Hertrich, I. and Ackermann, H. (1993). Acoustic analysis of speech prosody in Huntington's and Parkinson's disease: A preliminary report. Clinical Linguistics and Phonetics, 7, 285-297.

Hertrich, I. and Ackermann, H. (1993). Dysarthria in Friedreich's ataxia: Syllable intensity and fundamental frequency patterns. Clinical Linguistics and Phonetics, 7, 177-190.

Ackermann, H. and Hertrich, I. (1993). Dysarthria in Friedreich's ataxia: Timing of speech segments. Clinical Linguistics and Phonetics, 7, 75-91.

Hertrich, I. and Ackermann, H. (1992). Acoustic analysis of speech impairment in Huntington's disease. Movement Disorders, 7, 27.

Hertrich, I. and Ackermann, H. (1992). Monotonität und Irregularität in der Sprechweise bei der Friedreichschen Ataxie. Folia Phoniatrica, 44, 29-30.

Hertrich, I. and Ackermann, H. (1992). Speech monotony and irregularity in Friedreich's ataxia. In: Loebell, E.: Proceedings of the 22nd World Congress of the International Association of Logopedics and Phoniatrics.- Hannover: Medizinische Hochschule, pp 50-55.

Hertrich, I. (1991). Perceptual categorization in terminal intonation patterns of two-accent utterances of German. Arbeitsberichte des Instituts für Phonetik und digitale Sprachverarbeitung der Universität Kiel, 25, 243-294.

Hertrich, I. (1991). The interaction of intonation and accent at the sentence level: potential perceptual ambiguities. Arbeitsberichte des Instituts für Phonetik und digitale Sprachverarbeitung der Universität Kiel, 25, 187-218.

Hertrich, I. (1991). Zur Biologie der menschlichen Lautkommunikation. Anthropologischer Anzeiger, 49, 97-119.

Hertrich, I. and Gartenberg, R. (1989). A new method in intonation research using partly controlled simulated dialogues. Proceedings Eurospeech Paris, Vol. 1, 51-54.

Hertrich, I. and Ziegelmayer, G. (1988). Die Sprechstimme als anthropologisches Merkmalsystem, ihre konstitutionellen Korrelate und deren Perzepte. Anthropologischer Anzeiger, 46, 185-193.

Hertrich, I. and Gartenberg, R. (1988). Signaling accents by the use of different intonation patterns - some potential perceptual ambiguities. Proc 7th FASE Symposium Speech '88, Institute of Acoustics, Edinburgh, 989-996.

Gartenberg, R. and Hertrich, I. (1988). Predicting the timing of F0 peaks in partially controlled dialogue situations. Proc 7th FASE Symposium Speech '88, Institute of Acoustics, Edinburgh, 997-1004.

Parsche, F. and Hertrich, I. (1987). Zur graphischen Erfassung morphologischer Skelettstrukturen nach Photographien. Zeitschrift für Morphologie und Anthropologie, 77, 177-180.

Hertrich, I. and Ziegelmayer, G. (1987). Sexual dimorphism in the long term speech spectrum. Human Evolution, 2, 255-263.

Hertrich, I. (1987). Interindividuelle Variabilität in Langzeitstrukturen des Sprachsignals.- In: Tillmann, H.G. and Willee, G.: Analyse und Synthese gesprochener Sprache.- Olms Verlag, Hildesheim, 88-95.

Hertrich, I. (1987). Experimentelle Untersuchungen zur individuellen Variabilität der menschlichen Sprechstimme. Biol. Dissertation, Universität München.

Hertrich, I. (1985). Individuelle Konstanz des Langzeitspektrums und Geschlechtsdimorphiosmus spektraler Charakteristika der menschlichen Sprechstimme. Forschungsberichte des Instituts für Phonetik und Sprachliche Kommunikation der Universität München, 21, 97-112.