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 …
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)…
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 (…
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
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 …
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
… 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). …
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
… 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 …
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 …
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
… 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 …
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 …
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 …
p < 0.05) and the minimum cluster size for significance was estimated with Monte-Carlo …