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Olaf Blanke

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Related publications (331)

Relation between palm and finger cortical representations in primary somatosensory cortex: A 7T fMRI study

Roberto Martuzzi, Olaf Blanke, Michel Akselrod, Andrea Serino

Many studies focused on the cortical representations of fingers, while the palm is relatively neglected despite its importance for hand function. Here, we investigated palm representation (PR) and its relationship with finger representations (FRs) in prima ...

Wiley2021

Contribution of interaction force to the sense of hand ownership and the sense of hand agency

Roberto Martuzzi, Olaf Blanke, Michel Akselrod

When performing willed actions, we have the unified and coherent experience of owning and controlling our body. Body ownership is believed to emerge from the integration of coherent multisensory signals, while agency is believed to emerge from the coherenc ...

Nature Portfolio2021

Sensorimotor conflicts induce somatic passivity and louden quiet voices in healthy listeners

Olaf Blanke, Oliver Alan Kannape, Giulio Rognini, Nathan Quentin Faivre, Pavo Orepic

Sensorimotor conflicts are known to alter the perception of accompanying sensory signals, and deficits in sensory attenuation have been observed in schizophrenia. In the auditory domain, self-generated tones or voices (compared to tones or voices presented ...

2021

Robot-induced hallucinations in Parkinson’s disease depend on altered sensorimotor processing in fronto-temporal network

Dimitri Nestor Alice Van De Ville, Olaf Blanke, Michel Akselrod, Masayuki Hara, Giulio Rognini, Eva Blondiaux, Stéphanie Konik, Michela Bassolino, Nathan Quentin Faivre, Fosco Bernasconi, Matteo Franza, Jevita Potheegadoo, Giedre Stripeikyte

Hallucinations in Parkinson’s disease (PD) are disturbing and frequent non-motor symptoms and constitute a major risk factor for psychosis and dementia. We report a robotics-based approach applying conflicting sensorimotor stimulation, enabling the inducti ...

2021

Modulation of Bodily Self-Consciousness by Self and External Touch

Olaf Blanke, Masayuki Hara, Roy Salomon, Noriaki Kanayama

The full body illusion (FBI) is a bodily illusion based on the application of multisensory conflicts inducing changes in bodily self-consciousness (BSC), which has been used to study cognitive brain mechanisms underlying body ownership and related aspects ...

2021

Common and distinct brain networks of autoscopic phenomena

Olaf Blanke, Lukas Heydrich, Eva Blondiaux

Objective Autoscopic phenomena (AP) are illusory own body reduplications characterized by the visual perception of a second own body in extrapersonal space, and include three main forms: autoscopic hallucination (AH), heautoscopy (HAS) and out-of-body-expe ...

2021

Mechanisms of the breathing contribution to bodily self‐consciousness in healthy humans: Lessons from machine‐assisted breathing?

Bruno Herbelin, Olaf Blanke, Oliver Alan Kannape, Javier Bello Ruiz, Elisa Canzoneri, Sophie Jacqueline Andrée Betka

Previous studies investigated bodily self‐consciousness (BSC) by experimentally exposing subjects to multisensory conflicts (i.e., visuo‐tactile, audio‐tactile, visuo‐cardiac) in virtual reality (VR) that involve the participant's torso in a paradigm known ...

Wiley2020

Breathing affect self-other voice discrimination in a bodily state with increased otherness

Olaf Blanke, Giulio Rognini, Nathan Quentin Faivre, Hyeongdong Park, Pavo Orepic

A growing number of studies have focused on identifying cognitive processes that are modulated by interoceptive signals. Here we investigated whether interoception affects self-processing, by assessing changes in self-voice perception as a function of resp ...

2020

Robot-Induced Mild Hallucinations And Passivity Experiences In Individuals With The 22Q11.2 Deletion Syndrome

Olaf Blanke, Laurent Frédéric Jenni, Eva Blondiaux, Maude Schneider, Fosco Bernasconi, Jevita Potheegadoo, Giedre Stripeikyte

OXFORD UNIV PRESS2020

Sensorimotor conflicts alter metacognitive and action monitoring

Olaf Blanke, Laurène Véronique Vuillaume, Roy Salomon, Nathan Quentin Faivre, Fosco Bernasconi

While sensorimotor signals are known to modulate perception, little is known about their influence on higher-level cognitive processes. Here, we applied sensorimotor conflicts while participants performed a perceptual task followed by confidence judgments. ...

2020

Neural Mechanisms Of Robot-Induced Hallucinations In Healthy Participants And Symptomatic Hallucinations Of Neurological And Psychiatric Origin

Patric Hagmann, Dimitri Nestor Alice Van De Ville, Olaf Blanke, Michel Akselrod, Pierre Progin, Masayuki Hara, Giulio Rognini, Eva Blondiaux, Nathan Quentin Faivre, Jevita Potheegadoo, Giedre Stripeikyte, Kim Do

OXFORD UNIV PRESS2020

Subjective feeling of re‐experiencing past events using immersive virtual reality prevents a loss of episodic memory

Robin Mange, Bruno Herbelin, Olaf Blanke, Lucie Bréchet, Andrea Serino

Introduction: Personally meaningful past episodes, defined as episodic memories (EM), are subjectively re-experienced from the natural perspective and location of one's own body, as described by bodily self-consciousness (BSC). Neurobiological mechanisms o ...

2020

Autoscopic phenomena as an atypical psychiatric presentation of Huntington's disease: A case report including longitudinal clinical and neuroimaging data

Olaf Blanke

Huntington's disease (HD) is a monogenetic neurodegenerative disease prototypically characterized by the progressive presentation of motor abnormalities, cognitive deterioration and neuropsychiatric symptoms. Even when the disorder is diagnosed based on th ...

2020

Disentangling the origins of confidence in speeded perceptual judgments through multimodal imaging

José del Rocio Millán Ruiz, Dimitri Nestor Alice Van De Ville, Michael Eric Anthony Pereira, Olaf Blanke, Arnaud Marc Desvachez, Stéphanie Martin, Inaki Asier Iturrate Gil, Nathan Quentin Faivre, Marco Wirthlin

The human capacity to compute the likelihood that a decision is correct—known as metacognition—has proven difficult to study in isolation as it usually cooccurs with decision making. Here, we isolated postdecisional from decisional contributions to metacog ...

2020

Behavioral and neurophysiological evidence for altered interoceptive bodily processing in chronic pain

Olaf Blanke, Marco Solcà, Fosco Bernasconi, Hyeongdong Park

Whereas impaired multisensory processing of bodily stimuli and distorted body representation are well-established in various chronic pain disorders, such research has focused on exteroceptive bodily cues and neglected bodily signals from the inside of the ...

2020

Multisensory haptic system and method

Olaf Blanke, Simon Gallo, Giulio Rognini

A computer-implemented method for operating a haptic device, the haptic device comprising a plurality of tactile displays configured to provide haptic stimuli to a user, the method including the steps of (a) processing an audio signal derived from an audio ...

2020

Breathing is coupled with voluntary action and the cortical readiness potential

Olaf Blanke, Oliver Alan Kannape, Coline Barnoud, Hyeongdong Park, Henri Dan Trang

Voluntary action is a fundamental element of self-consciousness. The readiness potential (RP), a slow drift of neural activity preceding self-initiated movement, has been suggested to reflect neural processes underlying the preparation of voluntary action; ...

Nature Research2020

Sensorimotor Induction of Auditory Misattribution in Early Psychosis

Patric Hagmann, Olaf Blanke, Alessandra Griffa, Pierre Progin, Giulio Rognini, Silvia Marchesotti, Roy Salomon, Andrea Serino, Fosco Bernasconi, Kim Do

Dysfunction of sensorimotor predictive processing is thought to underlie abnormalities in self-monitoring producing passivity symptoms in psychosis. Experimentally induced sensorimotor conflict can produce a failure in bodily self-monitoring (presence hall ...

2020

First-person body view modulates the neural substrates of episodic memory and autonoetic consciousness: A functional connectivity study

Robin Mange, Bruno Herbelin, Dimitri Nestor Alice Van De Ville, Olaf Blanke, Thomas William Arthur Bolton, Lucie Bréchet, Nathan Quentin Faivre, Baptiste Gauthier, Florian Lance

Episodic memory (EM) is classically conceived as a memory for events, localized in space and time, and characterized by autonoetic consciousness (ANC) allowing to mentally travel back in time and subjectively relive an event. Building on recent evidence th ...

2020

How ageing shapes body and space representations: A comparison study between healthy young and older adults

Olaf Blanke, Andrea Serino, Michela Bassolino, Matteo Franza, Giuliana Sorrentino, Charlène Zuber

To efficiently interact with the external world, the brain needs to represent the size of the involved body parts - body representations (BR) - and the space around the body in which the interactions with the environment take place - peripersonal space rep ...

2020

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