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Real-time neural activity and connectivity in healthy individuals and schizophrenia patients

Andreas A. Ioannides, Vahe Poghosyan, Jürgen Dammers, Marcus Streit
2004 NeuroImage  
Recently, electroencephalography (EEG) and tomographic analysis of average magnetoencephalographic (MEG) data were used to define the latencies of significant regional brain activations in healthy and  ...  Disturbances in accurate face processing have been repeatedly demonstrated in different stages of schizophrenia.  ...  The data collection was supported in part by a grant of the German Research Society (DFG).  ... 
doi:10.1016/j.neuroimage.2004.06.023 pmid:15488397 fatcat:jhptsvfem5bvpixwic42gfdahm

Taking Back the Brain: Could Neurofeedback Training Be Effective for Relieving Distressing Auditory Verbal Hallucinations in Patients With Schizophrenia?

S. McCarthy-Jones
2012 Schizophrenia Bulletin  
presented real-time feedback of their neural activity.  ...  This is achieved by feeding back real-time information of an individual's brain activity to them, allowing them to undertake endogenous control of neural activity in vivo. 5 In electroencephalography-based  ...  Acknowledgment The author has declared that there are no conflicts of interest in relation to the subject of this study.  ... 
doi:10.1093/schbul/sbs006 pmid:22323675 pmcid:PMC3406539 fatcat:w5fppdgm4jde7ig5wzfsgpilum

Increased local connectivity of brain functional networks during facial processing in schizophrenia: evidence from EEG data

Tianyi Yan, Wenhui Wang, Tiantian Liu, Duanduan Chen, Changming Wang, Yulong Li, Xudong Ma, Xiaoying Tang, Jinglong Wu, Yiming Deng, Lun Zhao
2017 OncoTarget  
The present study investigated event-related functional connectivity networks to compare facial processing in individuals with and without schizophrenia.  ...  In addition, cortical oscillatory dynamics may be useful for understanding the neural mechanisms underlying the disparate cognitive and functional impairments in schizophrenic patients.  ...  ACKNOWLEDGMENTS AND FUNDING This study was financially supported by The National Natural Science Foundation of China  ... 
doi:10.18632/oncotarget.20598 pmid:29291031 pmcid:PMC5739816 fatcat:a4notj7qhjharfcnubwbumyyzq

Building Meaning in Schizophrenia

Gina R. Kuperberg
2008 Clinical EEG and Neuroscience  
patterns of neural activity as meaning is built from language and real-world visual events in schizophrenia.  ...  Finally, these abnormalities may generalize to real-world visual event comprehension, where patients show reduced neural activity in determining relationships around goaldirected actions, and comprehension  ...  neuroscience of language and semantic processing in healthy individuals and in patients with schizophrenia.  ... 
doi:10.1177/155005940803900216 pmid:18450178 pmcid:PMC3141814 fatcat:4n5wcyixufh3pd4wnahaiauhga

Abnormal Neural Connectivity in Schizophrenia and fMRI-Brain-Computer Interface as a Potential Therapeutic Approach

Sergio Ruiz, Niels Birbaumer, Ranganatha Sitaram
2013 Frontiers in Psychiatry  
with the disease arise from a failure to integrate the activity of local and distributed neural circuits: the "abnormal neural connectivity hypothesis."  ...  However, despite the increasing evidence that schizophrenia is a disorder of neural connectivity, so far there are no treatments that have shown to produce a significant change in brain connectivity, or  ...  ACKNOWLEDGMENTS The study was supported by the Deutschen Forschungsgemeinschaft and D.27.09244), and Comisión Nacional de Investigación Científica y Tecnológica de Chile (Conycit) through Fondo Nacional  ... 
doi:10.3389/fpsyt.2013.00017 pmid:23525496 pmcid:PMC3605516 fatcat:axjb5subvbgatdqy7cocrk4rve

Neural network dynamics underlying gamma synchronization deficits in schizophrenia [article]

Daisuke Koshiyama, Makoto Miyakoshi, Yash Joshi, Juan Molina, Kumiko Tanaka-Koshiyama, Joyce Sprock, David Braff, Neal Swerdlow, Gregory Light
2020 bioRxiv   pre-print
In conclusion, these findings reveal the rapid disorganization of neural circuit functioning in response to simple gamma-frequency stimulation in schizophrenia patients.  ...  Gamma band (40-Hz) activity is associated with many sensory and cognitive functions, and is critical for cortico-cortical transmission and the integration of information across neural networks.  ...  The funders had no role in the study design, data collection and analysis, publication decision, or manuscript preparation. Conflict of Interest The authors declare no conflict of interest.  ... 
doi:10.1101/2020.10.07.330498 fatcat:6nqwgaw2orcprehqbrpchcc5tu

Prefrontal cortical dysfunction during visual perspective-taking in schizophrenia

Shaun M. Eack, Jessica A. Wojtalik, Christina E. Newhill, Matcheri S. Keshavan, Mary L. Phillips
2013 Schizophrenia Research  
This study sought to investigate deficits in prefrontal brain function and connectivity in patients with schizophrenia during visual perspective-taking, and the degree to which such deficits contribute  ...  In addition, patients demonstrated significant deficits in negative connectivity between medial prefrontal and medialtemporal regions during perspective-taking, which fully mediated behavioral impairments  ...  None of the funders had any further role in study design; in the collection, analysis and interpretation of data; in the writing of the report; or in the decision to submit the paper for publication.  ... 
doi:10.1016/j.schres.2013.08.022 pmid:24055199 pmcid:PMC3825745 fatcat:ksilo6s5gjg55pikx37ilqb3qa

Social-cognitive brain function and connectivity during visual perspective-taking in autism and schizophrenia

Shaun M. Eack, Jessica A. Wojtalik, Matcheri S. Keshavan, Nancy J. Minshew
2017 Schizophrenia Research  
Differences in brain activation and connectivity were unrelated to antipsychotic medication dose.  ...  Functional activation results indicated reduced temporo-parietal junction and medial prefrontal activity in ASD compared to 5 schizophrenia (all P uncor < .002).  ...  and NJM).  ... 
doi:10.1016/j.schres.2017.03.009 pmid:28291690 pmcid:PMC5432384 fatcat:acv4edeky5dz7cnzxhmp2oiba4

Impulsivity and aggression in schizophrenia: a neural circuitry perspective with implications for treatment

Matthew J. Hoptman
2015 CNS Spectrums  
In this review, I discuss the neural circuitry associated with impulsivity and aggression in schizophrenia, with an emphasis on implications for treatment.  ...  and aggression in schizophrenia.  ...  Compared to healthy controls, individuals with schizophrenia showed reduced functional connectivity between the amygdala and ventral prefrontal regions.  ... 
doi:10.1017/s1092852915000206 pmid:25900066 pmcid:PMC4441843 fatcat:rrn77bvdyracjggeangoqodf4e

Altered predictive capability of the brain network EEG model in schizophrenia during cognition

Javier Gomez-Pilar, Jesús Poza, Carlos Gómez, Georg Northoff, Alba Lubeiro, Benjamín B. Cea-Cañas, Vicente Molina, Roberto Hornero
2018 Schizophrenia Research  
Both controls and schizophrenia patients follow a reinforcement of the secondary neural pathways (i.e., pathways between cortical brain regions weakly connected during pre-stimulus) for most of the subjects  ...  Specifically, we analyze the predictive capability of the pre-stimulus theta activity to ascertain the functional brain dynamics during cognition in both healthy and schizophrenia subjects.  ...  We also would like to express our gratitude to the Psychiatry Service of the Clinical University Hospital of Valladolid (Spain), for their help and support and the altruistic volunteers for participation  ... 
doi:10.1016/j.schres.2018.04.043 pmid:29764760 fatcat:4xkcq557uzhu5luxgookq4uo74

T150. REAL-TIME FMRI NEUROFEEDBACK TO DOWN-REGULATE SUPERIOR TEMPORAL GYRUS ACTIVITY IN PATIENTS WITH SCHIZOPHRENIA AND AUDITORY HALLUCINATIONS: A PROOF-OF-CONCEPT STUDY

Natasza Orlov, Vincent Giampietro, Owen O'Daly, Gareth Barker, Katya Rubia, Philip McGuire, Sukhi Shergill, Paul Allen
2018 Schizophrenia Bulletin  
In the present study we examined if patients with schizophrenia (SCZ) and AVH could be trained to down-regulate AC activity using real time functional Magnetic Resonance Imaging neurofeedback (rtfMRI-NF  ...  Results: Patients successfully learnt to down-regulate activity in their AC over the rtfMRI-NF training period.  ...  We performed a region of interest (ROI) analysis of ventral and dorsal striatal volume between patients with schizophrenia and healthy controls.  ... 
doi:10.1093/schbul/sby016.426 fatcat:v66usbkocjdcrbavdb3cpd3wwa

Gamma Oscillation in Schizophrenia

Yong-Wook Shin, Brian F. O'Donnell, Soyoung Youn, Jun Soo Kwon
2011 Psychiatry Investigation  
These disturb-Dysfunctional neural circuitry has been found to be involved in abnormalities of perception and cognition in patients with schizophrenia.  ...  Functional connectivity has been reported to affect the prefrontal, temporal, cingulate and parietal cortices in individuals with schizophrenia. [10] [11] [12] Functional dysconnectivity may result from  ...  tasks. 82 Gamma activity during the retrieval period of working memory was reduced in patients with schizophrenia compared with healthy subjects. 83 Healthy subjects had increased gamma activity in  ... 
doi:10.4306/pi.2011.8.4.288 pmid:22216037 pmcid:PMC3246135 fatcat:3zelvz6uxrdq7m5lgtget44vo4

Editorial: Learned Brain Self-Regulation for Emotional Processing and Attentional Modulation: From Theory to Clinical Applications

Sergio Ruiz, Niels Birbaumer, Ranganatha Sitaram
2016 Frontiers in Behavioral Neuroscience  
ACKNOWLEDGMENTS We thank Comisión Nacional de Investigación Científica y Tecnológica de Chile (Conicyt Chile) through Fondo Nacional de Desarrollo Científico y Tecnológico Fondecyt (project n • 11121153) and  ...  through Anillos de Investigación (Project ACT 1414); the ERA-Net (European Research Area)-New INDIGO project funded by the BMBF (project n • 01DQ13004) and Pontificia Universidad Católica de Chile through  ...  The results suggest that schizophrenia patients use different cognitive and neural strategies for self-regulation compared to healthy individuals.  ... 
doi:10.3389/fnbeh.2016.00062 pmid:27065087 pmcid:PMC4814521 fatcat:zus4gdadhzb4zk6opz7comkrfa

Neurophysiologic Characterization of Resting State Connectivity Abnormalities in Schizophrenia Patients

Daisuke Koshiyama, Makoto Miyakoshi, Kumiko Tanaka-Koshiyama, Yash B. Joshi, Juan L. Molina, Joyce Sprock, David L. Braff, Gregory A. Light
2020 Frontiers in Psychiatry  
and n = 126 healthy comparison subjects.Results: Two primary abnormalities in resting-state networks were detected in schizophrenia patients.  ...  Patients with schizophrenia show abnormal spontaneous oscillatory activity in scalp-level electroencephalographic (EEG) responses across multiple frequency bands.  ...  FIGURE 1 | 1 FIGURE 1 | Difference of effective connectivity in each EEG band activity between healthy subjects (N = 126) and schizophrenia patients (N = 139).  ... 
doi:10.3389/fpsyt.2020.608154 pmid:33329160 pmcid:PMC7729083 fatcat:wmrkgxu25negji7yllg4osqplq

The neuroplastic effect of working memory training in healthy volunteers and patients with schizophrenia: Implications for cognitive rehabilitation

Xu Li, Ya-hui Xiao, Qing Zhao, Ada W.W. Leung, Eric F.C. Cheung, Raymond C.K. Chan
2015 Neuropsychologia  
individuals and patients with schizophrenia.  ...  Our results demonstrate that WM training is accompanied by changes in neural activation patterns in healthy individuals, which may provide the basis for understanding neuroplastic changes in patients with  ...  Acknowledgments This study was supported by Grants from the National Science Fund China (81088001 and 91132701), the Beijing Training Project for the Leading Talents in S & T (Z151100000315020), and the  ... 
doi:10.1016/j.neuropsychologia.2015.05.029 pmid:26032579 fatcat:5frizmsvbrb2hgu3zrihdfgywm
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