Publications related to Cortical stimulation mapping

Michael Herzog, Ophélie Gladys Favrod, Patricia Figueiredo, Janir Nuno Ramos Antunes Da Cruz, Phillip Ready Johnston

When a task-relevant stimulus is presented for a brief duration or with low contrast, neural enhancement is needed to boost the weak responses to the target. Otherwise, the stimulus goes unnoticed, which is the default when the stimulus is task-irrelevant. ...

2019

Dopaminergic modulation of cortical motor network lateralization

Michael Herzog, Bogdan Draganski, Maya Anna Jastrzebowska, Lester Melie Garcia, Renaud Marquis

Introduction Unilateral movements are primarily processed in contralateral cortical and subcortical areas and additionally in ipsilateral cerebellum, leading to an asymmetric pattern of neural activation. Decrease of lateralization is characteristic of agi ...

2018

Mapping and characterization of positive and negative BOLD responses to visual stimulation in multiple brain regions at 7T

Rolf Gruetter, Wietske Van der Zwaag, João Pedro Forjaco Jorge, Patricia Figueiredo

External stimuli and tasks often elicit negative BOLD responses in various brain regions, and growing experimental evidence supports that these phenomena are functionally meaningful. In this work, the high sensitivity available at 7T was explored to map an ...

2018

Locally coordinated synaptic plasticity of visual cortex neurons in vivo

Graham Knott, Sami El-Boustani

Plasticity of cortical responses in vivo involves activity-dependent changes at synapses, but the manner in which different forms of synaptic plasticity act together to create functional changes in neurons remains unknown. We found that spike timing-induce ...

AMER ASSOC ADVANCEMENT SCIENCE2018

Surface-enhanced tractography (SET)

Gabriel Girard, Alessandro Daducci, Maxime Descoteaux

In this work, we exploit the T1 weighted image in conjunction with cortical surface boundary to improve the precision of tractography under the cortex. We show that utilizing the cortical interface and a surface flow, to model the superficial white matter ...

Elsevier2017

Cortico-Cerebellar Structural Connectivity Is Related to Residual Motor Output in Chronic Stroke

Friedhelm Christoph Hummel, Philipp Johannes Koch

Functional imaging studies have argued that interactions between cortical motor areas and the cerebellum are relevant for motor output and recovery processes after stroke. However, the impact of the underlying structural connections is poorly understood. T ...

Oxford University Press2017

High-Resolution fMRI of Auditory Cortical Map Changes in Unilateral Hearing Loss and Tinnitus

Dimitri Nestor Alice Van De Ville, Melissa Saenz, Wietske Van der Zwaag, Naghmeh Ghazaleh, Stephanie Clarke

Animal models of hearing loss and tinnitus observe pathological neural activity in the tonotopic frequency maps of the primary auditory cortex. Here, we applied ultra high-field fMRI at 7 T to test whether human patients with unilateral hearing loss and ti ...

Springer Verlag2017

Behavioral and cortical effects during attention driven brain-computer interface operations in spatial neglect: A feasibility case study

José del Rocio Millán Ruiz, Robert Leeb, Luca Tonin, Huaijian Zhang

During the last years, several studies have suggested that Brain-Computer Interface (BCI) can play a critical role in the field of motor rehabilitation. In this case report, we aim to investigate the feasibility of a covert visuospatial attention (CVSA) dr ...

Frontiers Research Foundation2017

Classification of upper limb center-out reaching tasks by means of EEG-based continuous decoding techniques

José del Rocio Millán Ruiz, Ricardo Andres Chavarriaga Lozano

Background: One of the current challenges in brain-machine interfacing is to characterize and decode upper limb kinematics from brain signals, e.g. to control a prosthetic device. Recent research work states that it is possible to do so based on low freque ...

BioMed Central2017

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Cortical stimulation mapping

Neural correlates of target enhancement

Dopaminergic modulation of cortical motor network lateralization

Mapping and characterization of positive and negative BOLD responses to visual stimulation in multiple brain regions at 7T

Optical sensory and motor mapping of mouse dorsal cortex

Locally coordinated synaptic plasticity of visual cortex neurons in vivo

Surface-enhanced tractography (SET)

Cortico-Cerebellar Structural Connectivity Is Related to Residual Motor Output in Chronic Stroke

High-Resolution fMRI of Auditory Cortical Map Changes in Unilateral Hearing Loss and Tinnitus

Behavioral and cortical effects during attention driven brain-computer interface operations in spatial neglect: A feasibility case study

Classification of upper limb center-out reaching tasks by means of EEG-based continuous decoding techniques

Graph Chatbot

Chat with Graph Search

Dopaminergic modulation of cortical motor network lateralization

Locally coordinated synaptic plasticity of visual cortex neurons in vivo

Surface-enhanced tractography (SET)

Optical sensory and motor mapping of mouse dorsal cortex

High-Resolution fMRI of Auditory Cortical Map Changes in Unilateral Hearing Loss and Tinnitus

Neural correlates of target enhancement

Classification of upper limb center-out reaching tasks by means of EEG-based continuous decoding techniques

Mapping and characterization of positive and negative BOLD responses to visual stimulation in multiple brain regions at 7T

Cortico-Cerebellar Structural Connectivity Is Related to Residual Motor Output in Chronic Stroke

Behavioral and cortical effects during attention driven brain-computer interface operations in spatial neglect: A feasibility case study