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López-Caballero F, Coffman B, Seebold D, Teichert T, Salisbury DF. Intensity and inter-stimulus-interval effects on human middle- and long-latency auditory evoked potentials in an unpredictable auditory context. Psychophysiology 2023; 60:e14217. [PMID: 36371684 PMCID: PMC10463565 DOI: 10.1111/psyp.14217] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2022] [Revised: 10/06/2022] [Accepted: 10/22/2022] [Indexed: 11/14/2022]
Abstract
It is not known how Auditory-Evoked Responses (AERs) comprising Middle Latency Responses (MLRs) and Long Latency Responses (LLRs) are modulated by stimulus intensity and inter-stimulus interval (ISI) in an unpredictable auditory context. Further, intensity and ISI effects on MLR and LLR have never been assessed simultaneously in the same humans. To address this important question, thirty participants passively listened to a random sequence of auditory clicks of three possible intensities (65, 75, and 85 dB) at five possible ISI ranges (0.25 to 0.5 s, 0.5 to 1 s, 1 to 2 s, 2 to 4 s, 4 to 8 s) over four to seven one-hour sessions while EEG was recorded. P0, Na, Pa, Nb, and Pb MLR peaks and N1 and P2 LLR peaks were measured. MLRs P0 (p = .005), Pa (p = .021), and Pb (p = <.001) were modulated by intensity, while only MLR Pb (p = <.001) was modulated by ISI. LLR N1 and P2 were modulated by both intensity and ISI (all p values < .001). Intensity and ISI interacted at Pb, N1, and P2 (all p values < .001), with greater intensity effects at longer ISIs and greater ISI effects at louder intensities. Together, these results provide a comprehensive picture of intensity and ISI effects on AER across the entire thalamocortical auditory pathway, while controlling for stimulus predictability. Moreover, they highlight P0 as the earliest MLR response sensitive to stimulus intensity and Pb (~50 ms) as the earliest cortical response coding for ISIs above 250 ms and showing an interdependence between intensity and ISI effects.
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Affiliation(s)
- Fran López-Caballero
- Clinical Neurophysiology Research Laboratory, Western Psychiatric Hospital, Department of Psychiatry, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania, USA
| | - Brian Coffman
- Clinical Neurophysiology Research Laboratory, Western Psychiatric Hospital, Department of Psychiatry, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania, USA
| | - Dylan Seebold
- Clinical Neurophysiology Research Laboratory, Western Psychiatric Hospital, Department of Psychiatry, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania, USA
| | - Tobias Teichert
- Department of Psychiatry, University of Pittsburgh, Pittsburgh, Pennsylvania, USA
- Department of Bioengineering, University of Pittsburgh, Pittsburgh, Pennsylvania, USA
| | - Dean F. Salisbury
- Clinical Neurophysiology Research Laboratory, Western Psychiatric Hospital, Department of Psychiatry, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania, USA
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Niccolai V, Klepp A, van Dijk H, Schnitzler A, Biermann-Ruben K. Auditory cortex sensitivity to the loudness attribute of verbs. BRAIN AND LANGUAGE 2020; 202:104726. [PMID: 31887426 DOI: 10.1016/j.bandl.2019.104726] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/08/2019] [Revised: 11/08/2019] [Accepted: 12/15/2019] [Indexed: 06/10/2023]
Abstract
The auditory cortex was shown to be activated during the processing of words describing actions with acoustic features. The present study further examines whether processing visually presented action words characterized by different levels of loudness, i.e. "loud" (to shout) and "quiet" actions (to whisper), differentially engage the auditory cortex. Twenty healthy participants were measured with magnetoencephalography (MEG) while reading inflected verbs followed by a short tone and semantic tasks. Based on the results of a localizer task, loudness sensitive temporal Brodmann areas A22, A41/42, and pSTS were inspected in the word paradigm. "Loud" actions induced significantly stronger beta power suppression compared to "quiet" actions in the left hemisphere. Smaller N100m amplitude related to tones following "loud" compared to "quiet" actions confirmed that auditory cortex sensitivity was modulated by action words. Results point to possible selective auditory simulation mechanisms involved in verb processing and support embodiment theories.
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Affiliation(s)
- Valentina Niccolai
- Institute of Clinical Neuroscience and Medical Psychology, Medical Faculty, Heinrich-Heine University, Duesseldorf, Germany.
| | - Anne Klepp
- Institute of Clinical Neuroscience and Medical Psychology, Medical Faculty, Heinrich-Heine University, Duesseldorf, Germany
| | - Hanneke van Dijk
- Institute of Clinical Neuroscience and Medical Psychology, Medical Faculty, Heinrich-Heine University, Duesseldorf, Germany; Research Institute Brainclinics, Nijmegen, Netherlands
| | - Alfons Schnitzler
- Institute of Clinical Neuroscience and Medical Psychology, Medical Faculty, Heinrich-Heine University, Duesseldorf, Germany
| | - Katja Biermann-Ruben
- Institute of Clinical Neuroscience and Medical Psychology, Medical Faculty, Heinrich-Heine University, Duesseldorf, Germany
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Wyss C, Tse DHY, Boers F, Shah NJ, Neuner I, Kawohl W. Association between Cortical GABA and Loudness Dependence of Auditory Evoked Potentials (LDAEP) in Humans. Int J Neuropsychopharmacol 2018; 21:809-813. [PMID: 29917080 PMCID: PMC6119294 DOI: 10.1093/ijnp/pyy056] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/20/2017] [Accepted: 06/14/2018] [Indexed: 11/13/2022] Open
Abstract
Loudness dependence of auditory evoked potentials (LDAEP) is a widely used EEG-based biomarker for central serotonergic activity. Serotonin has been shown to be associated with different psychiatric disorders such as depression and schizophrenia. Despite its clinical significance, the underlying neurochemical mechanism of this promising marker is not fully understood, and further research is needed to improve its validity. Other neurotransmitters might have a significant impact on this measure. Thus, we assessed the inhibitory action through individual GABA/H20 concentrations and GABA/glutamate ratios by means of magnetic resonance spectroscopy at 3T in healthy subjects. The measurements were assessed in the primary auditory cortex to investigate the association with the LDAEP, whose generators are mainly in the primary auditory cortex. For the first time, this study examines the link between GABAergic neurotransmission and LDAEP, and the data preliminary show that GABA may not contribute to the generation of EEG-based LDAEP.
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Affiliation(s)
- Christine Wyss
- Department of Psychiatry, Psychotherapy and Psychosomatics, Hospital of Psychiatry, University of Zurich, Zurich, Switzerland,Correspondence: Christine Wyss, PhD, Hospital of Psychiatry, University of Zurich, Department of Psychiatry, Psychotherapy and Psychosomatics, Militärstrasse 8, P.O. Box 2019, 8021 Zurich, Switzerland ()
| | - Desmond H Y Tse
- Institute of Neuroscience and Medicine, INM4, Forschungszentrum Jülich, Jülich, Germany
| | - Frank Boers
- Institute of Neuroscience and Medicine, INM4, Forschungszentrum Jülich, Jülich, Germany
| | - Nadim J Shah
- Institute of Neuroscience and Medicine, INM4, Forschungszentrum Jülich, Jülich, Germany,JARA-Brain, Translational Medicine, Jülich, Germany,Department of Neurology, RWTH Aachen University, Aachen, Germany
| | - Irene Neuner
- Institute of Neuroscience and Medicine, INM4, Forschungszentrum Jülich, Jülich, Germany,Department of Psychiatry, Psychotherapy and Psychosomatics, RWTH Aachen University, Aachen, Germany,JARA-Brain, Translational Medicine, Jülich, Germany
| | - Wolfram Kawohl
- Department of Psychiatry, Psychotherapy and Psychosomatics, Hospital of Psychiatry, University of Zurich, Zurich, Switzerland
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Wyss C, Tse DHY, Kometer M, Dammers J, Achermann R, Shah NJ, Kawohl W, Neuner I. GABA metabolism and its role in gamma-band oscillatory activity during auditory processing: An MRS and EEG study. Hum Brain Mapp 2017; 38:3975-3987. [PMID: 28480987 DOI: 10.1002/hbm.23642] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2016] [Revised: 04/25/2017] [Accepted: 04/26/2017] [Indexed: 12/22/2022] Open
Abstract
Gamma-aminobutyric acid (GABA) and glutamate are believed to have inhibitory and exhibitory neuromodulatory effects that regulate the brain's response to sensory perception. Furthermore, frequency-specific synchronization of neuronal excitability within the gamma band (30-80 Hz) is attributable to a homeostatic balance between excitation and inhibition. However, our understanding of the physiological mechanism underlying gamma rhythms is based on animal models. Investigations of the relationship between GABA concentrations, glutamate concentrations, and gamma band activity in humans were mostly restricted to the visual cortex and are conflicting. Here, we performed a multimodal imaging study combining magnetic resonance spectroscopy (MRS) with electroencephalography (EEG) in the auditory cortex. In 14 healthy subjects, we investigated the impact of individual differences in GABA and glutamate concentration on gamma band response (GBR) following auditory stimulus presentation. We explored the effects of bulk GABA on the GBR across frequency (30-200 Hz) and time (-200 to 600 ms) and found no significant relationship. Furthermore, no correlations were found between gamma peak frequency or power measures and metabolite concentrations (GABA, glutamate, and GABA/glutamate ratio). These findings suggest that, according to MRS measurements, and given the auditory stimuli used in this study, GABA and glutamate concentrations are unlikely to play a significant role in the inhibitory and excitatory drive in the generation of gamma band activity in the auditory cortex. Hum Brain Mapp 38:3975-3987, 2017. © 2017 Wiley Periodicals, Inc.
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Affiliation(s)
- Christine Wyss
- Department of Psychiatry, Psychotherapie and Psychosomatics, Hospital of Psychiatry, University of Zurich, Switzerland
| | - Desmond H Y Tse
- Institute of Neuroscience and Medicine, INM4, Forschungszentrum Jülich, Germany
| | - Michael Kometer
- Department of Psychiatry, Psychotherapie and Psychosomatics, Hospital of Psychiatry, University of Zurich, Switzerland
| | - Jürgen Dammers
- Institute of Neuroscience and Medicine, INM4, Forschungszentrum Jülich, Germany
| | - Rita Achermann
- Psychological Methods, Evaluation and Statistics, Department of Psychology, University of Zurich, Switzerland
| | - N Jon Shah
- Institute of Neuroscience and Medicine, INM4, Forschungszentrum Jülich, Germany.,Department of Psychiatry, Psychotherapy and Psychosomatics, RWTH Aachen University, Germany.,JARA-Brain, Translational Medicine, Jülich, Germany.,Department of Neurology, RWTH Aachen University, Germany
| | - Wolfram Kawohl
- Department of Psychiatry, Psychotherapie and Psychosomatics, Hospital of Psychiatry, University of Zurich, Switzerland
| | - Irene Neuner
- Institute of Neuroscience and Medicine, INM4, Forschungszentrum Jülich, Germany.,Department of Psychiatry, Psychotherapy and Psychosomatics, RWTH Aachen University, Germany.,JARA-Brain, Translational Medicine, Jülich, Germany
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Hagenmuller F, Heekeren K, Meier M, Theodoridou A, Walitza S, Haker H, Rössler W, Kawohl W. The Loudness Dependence of Auditory Evoked Potentials (LDAEP) in individuals at risk for developing bipolar disorders and schizophrenia. Clin Neurophysiol 2015; 127:1342-1350. [PMID: 26639170 DOI: 10.1016/j.clinph.2015.10.050] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2014] [Revised: 10/14/2015] [Accepted: 10/28/2015] [Indexed: 01/23/2023]
Abstract
OBJECTIVES The Loudness Dependence of Auditory Evoked Potentials (LDAEP) is considered as an indicator of central serotonergic activity. Alteration of serotonergic neurotransmission was reported in bipolar disorders and schizophrenia. In line with previous reports on clinically manifest disorders, we expected a weaker LDAEP in subjects at risk for bipolar disorders and schizophrenia compared to healthy controls. METHODS We analyzed LDAEP of individuals at risk for developing bipolar disorders (n=27), with high-risk status (n=74) and ultra-high-risk status for schizophrenia (n=86) and healthy controls (n=47). RESULTS The LDAEP did not differ between subjects at risk for schizophrenia or bipolar disorders and controls. Among subjects without medication (n=122), the at-risk-bipolar group showed a trend towards a weaker LDAEP than both the high-risk and the ultra-high-risk groups for schizophrenia. CONCLUSIONS The LDAEP did not appear as a vulnerability marker for schizophrenia or bipolar disorders. This suggests that an altered LDAEP may not be measurable until the onset of clinically manifest disorder. However, the hypothesis that pathogenic mechanisms leading to bipolar disorders may differ from those leading to schizophrenia is supported. SIGNIFICANCE This is the first study investigating LDAEP in a population at risk for bipolar disorders.
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Affiliation(s)
- Florence Hagenmuller
- The Zurich Program for Sustainable Development of Mental Health Services (ZInEP), University Hospital of Psychiatry Zurich, University of Zurich, Zurich, Switzerland; Department of Psychiatry, Psychotherapy and Psychosomatics, University Hospital of Psychiatry Zurich, University of Zurich, Zurich, Switzerland
| | - Karsten Heekeren
- The Zurich Program for Sustainable Development of Mental Health Services (ZInEP), University Hospital of Psychiatry Zurich, University of Zurich, Zurich, Switzerland; Department of Psychiatry, Psychotherapy and Psychosomatics, University Hospital of Psychiatry Zurich, University of Zurich, Zurich, Switzerland
| | - Magali Meier
- The Zurich Program for Sustainable Development of Mental Health Services (ZInEP), University Hospital of Psychiatry Zurich, University of Zurich, Zurich, Switzerland
| | - Anastasia Theodoridou
- The Zurich Program for Sustainable Development of Mental Health Services (ZInEP), University Hospital of Psychiatry Zurich, University of Zurich, Zurich, Switzerland; Department of Psychiatry, Psychotherapy and Psychosomatics, University Hospital of Psychiatry Zurich, University of Zurich, Zurich, Switzerland
| | - Susanne Walitza
- The Zurich Program for Sustainable Development of Mental Health Services (ZInEP), University Hospital of Psychiatry Zurich, University of Zurich, Zurich, Switzerland; Department of Child and Adolescent Psychiatry, University of Zurich, Zurich, Switzerland
| | - Helene Haker
- The Zurich Program for Sustainable Development of Mental Health Services (ZInEP), University Hospital of Psychiatry Zurich, University of Zurich, Zurich, Switzerland; Translational Neuromodeling Unit, Institute for Biomedical Engineering, University of Zurich and ETH Zurich, Zurich, Switzerland
| | - Wulf Rössler
- The Zurich Program for Sustainable Development of Mental Health Services (ZInEP), University Hospital of Psychiatry Zurich, University of Zurich, Zurich, Switzerland; Institute of Psychiatry, Laboratory of Neuroscience (LIM 27), University of Sao Paulo, Brazil
| | - Wolfram Kawohl
- The Zurich Program for Sustainable Development of Mental Health Services (ZInEP), University Hospital of Psychiatry Zurich, University of Zurich, Zurich, Switzerland; Department of Psychiatry, Psychotherapy and Psychosomatics, University Hospital of Psychiatry Zurich, University of Zurich, Zurich, Switzerland.
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Fitzroy AB, Krizman J, Tierney A, Agouridou M, Kraus N. Longitudinal maturation of auditory cortical function during adolescence. Front Hum Neurosci 2015; 9:530. [PMID: 26539092 PMCID: PMC4611058 DOI: 10.3389/fnhum.2015.00530] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2015] [Accepted: 09/14/2015] [Indexed: 12/03/2022] Open
Abstract
Cross-sectional studies have demonstrated that the cortical auditory evoked potential (CAEP) changes substantially in amplitude and latency from childhood to adulthood, suggesting that these aspects of the CAEP continue to mature through adolescence. However, no study to date has longitudinally followed maturation of these CAEP measures through this developmental period. Additionally, no study has examined the trial-to-trial variability of the CAEP during adolescence. Therefore, we longitudinally tracked changes in the latency, amplitude, and variability of the P1, N1, P2, and N2 components of the CAEP in 68 adolescents from age 14 years to age 17 years. Latency decreased for N1 and N2, and did not change for P1 or P2. Amplitude decreased for P1 and N2, increased for N1, and did not change for P2. Variability decreased with age for all CAEP components. These findings provide longitudinal support for the view that the human auditory system continues to mature through adolescence. Continued auditory system maturation through adolescence suggests that CAEP neural generators remain plastic during this age range and potentially amenable to experience-based enhancement or deprivation.
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Affiliation(s)
- Ahren B Fitzroy
- Department of Communication Sciences and Disorders, Northwestern University Evanston, IL, USA ; Auditory Neuroscience Laboratory, Northwestern University Evanston, IL, USA
| | - Jennifer Krizman
- Department of Communication Sciences and Disorders, Northwestern University Evanston, IL, USA ; Auditory Neuroscience Laboratory, Northwestern University Evanston, IL, USA
| | - Adam Tierney
- Department of Communication Sciences and Disorders, Northwestern University Evanston, IL, USA ; Auditory Neuroscience Laboratory, Northwestern University Evanston, IL, USA
| | - Manto Agouridou
- Department of Communication Sciences and Disorders, Northwestern University Evanston, IL, USA ; Auditory Neuroscience Laboratory, Northwestern University Evanston, IL, USA
| | - Nina Kraus
- Department of Communication Sciences and Disorders, Northwestern University Evanston, IL, USA ; Auditory Neuroscience Laboratory, Northwestern University Evanston, IL, USA ; Institute for Neuroscience, Northwestern University Evanston, IL, USA ; Department of Neurobiology and Physiology, Northwestern University Evanston, IL, USA ; Department of Otolaryngology, Northwestern University Evanston, IL, USA
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