Journal ArticleDOI
How can the brain's resting state activity generate hallucinations? A ‘resting state hypothesis’ of auditory verbal hallucinations
Georg Northoff,Pengmin Qin +1 more
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TLDR
The 'resting state hypotheses' of AVH suggest that AVH may be traced back to abnormally elevated resting state activity in auditory cortex itself, abnormal modulation of the auditory cortex by anterior cortical midline regions as part of the default-mode network, and neural confusion between auditory cortical resting state changes and stimulus-induced activity.About:
This article is published in Schizophrenia Research.The article was published on 2011-04-01. It has received 173 citations till now. The article focuses on the topics: Resting state fMRI & Auditory cortex.read more
Citations
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Journal ArticleDOI
Default Mode Network Activity and Connectivity in Psychopathology
TL;DR: Functional magnetic resonance imaging studies have revealed that the DMN in the healthy brain is associated with stimulus-independent thought and self-reflection and that greater suppression of theDMN isassociated with better performance on attention-demanding tasks.
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Mindfulness: top-down or bottom-up emotion regulation strategy?
TL;DR: It is suggested that mindfulness training is associated with 'top-down' emotion regulation in short-term practitioners and with 'bottom-up' emotionregulation in long-term practice andLimitations of current evidence and suggestions for future research on this topic are discussed.
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Differences in resting-state functional magnetic resonance imaging functional network connectivity between schizophrenia and psychotic bipolar probands and their unaffected first-degree relatives.
Shashwath A. Meda,Adrienne Gill,Michael C. Stevens,Michael C. Stevens,Raymond P. Lorenzoni,David C. Glahn,David C. Glahn,Vince D. Calhoun,John A. Sweeney,John A. Sweeney,Carol A. Tamminga,Matcheri S. Keshavan,Gunvant K. Thaker,Godfrey D. Pearlson,Godfrey D. Pearlson +14 more
TL;DR: Schizophrenia and psychotic bipolar probands share several abnormal resting state network connections, but there are also unique neural network underpinnings between disorders.
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The Default Mode Network and Recurrent Depression: A Neurobiological Model of Cognitive Risk Factors
TL;DR: The TN-TP imbalance is proposed as overarching neural mechanism involved in crucial cognitive risk factors for recurrent depression, namely rumination, impaired attentional control, and cognitive reactivity.
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A systematic literature review of resting state network--functional MRI in bipolar disorder.
TL;DR: Despite the variation among the results of the reviewed papers, they all support the cortico-limbic hypothesis and suggest that connectivity can be more complex and that intra-regional disturbances should also be studied.
References
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Journal ArticleDOI
The hallucinating brain: a review of structural and functional neuroimaging studies of hallucinations.
TL;DR: A neurocognitive model in which both bottom-up and top-down processes interact to produce these erroneous percepts is tentatively proposed.
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Pathways That Make Voices: White Matter Changes in Auditory Hallucinations
Daniela Hubl,Thomas Koenig,Werner Strik,Andrea Federspiel,Roland Kreis,Chris Boesch,Stephan E. Maier,Gerhard Schroth,Karl O. Lövblad,Thomas Dierks +9 more
TL;DR: During inner speech, the alterations of white matter fiber tracts in patients with frequent hallucinations lead to abnormal coactivation in regions related to the acoustical processing of external stimuli, which may account for the patients' inability to distinguish self-generated thoughts from external stimulation.
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When Doors of Perception Close: Bottom-up Models of Disrupted Cognition in Schizophrenia
TL;DR: In both auditory and visual systems, patterns of deficit are consistent with underlying impairment of brain N-methyl-d-aspartate receptor systems.
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Amplitude of low-frequency oscillations in schizophrenia: a resting state fMRI study.
Matthew J. Hoptman,Matthew J. Hoptman,Xi-Nian Zuo,Pamela D. Butler,Pamela D. Butler,Daniel C. Javitt,Daniel C. Javitt,Debra D'Angelo,Cristina J. Mauro,Michael P. Milham +9 more
TL;DR: Amplitude of low-frequency fluctuations (ALFF) and fractional ALFF (fALFF; the relative amplitude that resides in the low frequencies) are used to examine the amplitude of LFO in schizophrenia to suggest LFO abnormalities in schizophrenia.
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Phenomenology of anomalous self-experience in early schizophrenia.
Josef Parnas,Peter Handest +1 more
TL;DR: Detailed clinical phenomenological descriptions of nonpsychotic anomalies of self-experience that may be observable in the prodromal phases of schizophrenia and in the schizotypal disorders are presented.