User profiles for "author:Nikolaus Weiskopf"

Nikolaus Weiskopf

Director, Department of Neurophysics, Max Planck Institute for Human Cognitive and Brain …
Verified email at cbs.mpg.de
Cited by 27148

Closed-loop brain training: the science of neurofeedback

R Sitaram, T Ros, L Stoeckel, S Haller… - Nature Reviews …, 2017 - nature.com
Neurofeedback is a psychophysiological procedure in which online feedback of neural
activation is provided to the participant for the purpose of self-regulation. Learning control …

Real-time fMRI neurofeedback: progress and challenges

J Sulzer, S Haller, F Scharnowski, N Weiskopf… - Neuroimage, 2013 - Elsevier
In February of 2012, the first international conference on real time functional magnetic
resonance imaging (rtfMRI) neurofeedback was held at the Swiss Federal Institute of …

Real-time fMRI and its application to neurofeedback

N Weiskopf - Neuroimage, 2012 - Elsevier
Real-time fMRI (rtfMRI) allows immediate access to experimental results by analyzing data
as fast as they are acquired. It was devised soon after the inception of fMRI and has …

When fear is near: threat imminence elicits prefrontal-periaqueductal gray shifts in humans

D Mobbs, P Petrovic, JL Marchant, D Hassabis… - Science, 2007 - science.org
Humans, like other animals, alter their behavior depending on whether a threat is close or
distant. We investigated spatial imminence of threat by developing an active avoidance …

[HTML][HTML] Unified segmentation based correction of R1 brain maps for RF transmit field inhomogeneities (UNICORT)

N Weiskopf, A Lutti, G Helms, M Novak, J Ashburner… - Neuroimage, 2011 - Elsevier
Quantitative mapping of the longitudinal relaxation rate (R1= 1/T1) in the human brain
enables the investigation of tissue microstructure and macroscopic morphology which are …

[HTML][HTML] A comparison between voxel-based cortical thickness and voxel-based morphometry in normal aging

C Hutton, B Draganski, J Ashburner, N Weiskopf - Neuroimage, 2009 - Elsevier
The morphology of cortical grey matter is commonly assessed using T1-weighted MRI
together with automated computerised methods such as voxel-based morphometry (VBM) …

Evidence of mirror neurons in human inferior frontal gyrus

JM Kilner, A Neal, N Weiskopf, KJ Friston… - Journal of …, 2009 - Soc Neuroscience
There is much current debate about the existence of mirror neurons in humans. To identify
mirror neurons in the inferior frontal gyrus (IFG) of humans, we used a repetition suppression …

Context-dependent human extinction memory is mediated by a ventromedial prefrontal and hippocampal network

R Kalisch, E Korenfeld, KE Stephan… - Journal of …, 2006 - Soc Neuroscience
In fear extinction, an animal learns that a conditioned stimulus (CS) no longer predicts a
noxious stimulus [unconditioned stimulus (UCS)] to which it had previously been associated …

Principles of a brain-computer interface (BCI) based on real-time functional magnetic resonance imaging (fMRI)

N Weiskopf, K Mathiak, SW Bock… - IEEE transactions on …, 2004 - ieeexplore.ieee.org
A brain-computer interface (BCI) based on functional magnetic resonance imaging (fMRI)
records noninvasively activity of the entire brain with a high spatial resolution. We present a …

[HTML][HTML] Quantitative multi-parameter mapping of R1, PD*, MT, and R2* at 3T: a multi-center validation

N Weiskopf, J Suckling, G Williams… - Frontiers in …, 2013 - frontiersin.org
Multi-center studies using magnetic resonance imaging facilitate studying small effect sizes,
global population variance and rare diseases. The reliability and sensitivity of these multi …