Neuroradiology of cholesteatomas

K Baráth, AM Huber, P Stämpfli… - American Journal of …, 2011 - Am Soc Neuroradiology
The relevant aspects of cholesteatomas are reviewed with the emphasis on their diagnosis
by using cross-sectional imaging. The indications and limitations of CT and MR imaging and …

[PDF][PDF] The fabric of meaning and subjective effects in LSD-induced states depend on serotonin 2A receptor activation

…, T Pokorny, A Planzer, R Kraehenmann, P Stämpfli… - Current Biology, 2017 - cell.com
p < 0.05), and score on the negative affect scale was greater in the LSD treatment condition
than in the Pla treatment condition (p … positive or negative affect scale (all p > 0.9) (Figure S1)…

The feedback-related negativity (FRN) revisited: new insights into the localization, meaning and network organization

TU Hauser, R Iannaccone, P Stämpfli, R Drechsler… - Neuroimage, 2014 - Elsevier
… Because single-trial EEG suffers from a poor SNR, we set the voxel height threshold at p <
0.01 to increase sensitivity. The Monte-Carlo simulations led to a cluster threshold of k > 118 (…

Effective connectivity changes in LSD-induced altered states of consciousness in humans

…, A Razi, P Zeidman, P Stämpfli… - Proceedings of the …, 2019 - National Acad Sciences
Psychedelics exert unique effects on human consciousness. The thalamic filter model suggests
that core effects of psychedelics may result from gating deficits, based on a disintegration …

Changes in global and thalamic brain connectivity in LSD-induced altered states of consciousness are attributable to the 5-HT2A receptor

…, JB Burt, JL Ji, CH Schleifer, BD Adkinson, P Stämpfli… - Elife, 2018 - elifesciences.org
… Pla and Ket+LSD conditions (all p<0.05) except for the scales spiritual experience and
anxiety (all p>0.20). Pla and LSD+Ket scores did not differ on any scale (all p>0.90) (Figure 1G). …

Conflict monitoring and error processing: new insights from simultaneous EEG–fMRI

R Iannaccone, TU Hauser, P Staempfli, S Walitza… - Neuroimage, 2015 - Elsevier
… To decrease the risk of type II errors a p < 0.05 cluster-extent FDR … p < 0.005). To reveal
overlapping activations of ERN and N2 a conjunction analysis was conducted using a p < 0.05 …

Effects of serotonin 2A/1A receptor stimulation on social exclusion processing

…, A Hock, R Kraehenmann, P Stämpfli… - Proceedings of the …, 2016 - National Acad Sciences
… Blue shades represent significantly reduced activation in the Psi condition displayed at
uncorrected P < 0.001 at peak aMCC voxel (x = 6, y = 26, z = 22). (C) Positive association …

Psilocybin induces time-dependent changes in global functional connectivity

…, P Duerler, JB Burt, JL Ji, B Adkinson, P Stämpfli… - Biological …, 2020 - Elsevier
… The main effect of Psi on GBC across assessment times revealed significant (p < .05,
threshold-free cluster enhancement type I error protected, 10,000 permutations) differences in GBC …

Combining fMRI and DTI: a framework for exploring the limits of fMRI-guided DTI fiber tracking and for verifying DTI-based fiber tractography results

P Stämpfli, C Reischauer, T Jaermann, A Valavanis… - Neuroimage, 2008 - Elsevier
A powerful, non-invasive technique for estimating and visualizing white matter tracts in the
human brain in vivo is white matter fiber tractography that uses magnetic resonance diffusion …

Training emotion regulation through real-time fMRI neurofeedback of amygdala activity

…, A Preuss, VR Steiger, J Sulzer, S Weidt, P Stämpfli… - NeuroImage, 2019 - Elsevier
… Effects were also considered significant on a whole brain false discovery rate of p < 0.01 (liberal:
p < 0.05) and the minimum cluster size for significance was estimated with Monte-Carlo …