2,472 research outputs found
sj-docx-1-ipe-10.1177_20416695231163449 - Supplemental material for Reading the mind in the nose
No full textSupplemental material, sj-docx-1-ipe-10.1177_20416695231163449 for Reading the mind in the nose by Maximilian Davide Broda and Benjamin de Haas in i-Perception</p
sj-docx-1-ipe-10.1177_20416695221128844 - Supplemental material for Individual fixation tendencies in person viewing generalize from images to videos
No full textSupplemental material, sj-docx-1-ipe-10.1177_20416695221128844 for Individual fixation tendencies in person viewing generalize from images to videos by Maximilian D. Broda and Benjamin de Haas in i-Perception</p
The de Haas van Alphen effect near a quantum critical end point in Sr₃Ru₂O₇
No full textHighly correlated electron materials are systems in which many new states of matter can emerge. A particular situation which favours the formation of exotic phases of the electron liquid in complex materials is that where a quantum critical point (QCP) is present in the phase diagram. Neighbouring regions in parameter space reveal unusual physical properties, described as non-Fermi liquid behaviour.
One of the important problems in quantum criticality is to find out how the Fermi surface (FS) of a material evolves near a QCP. The traditional method for studying the FS of materials is the de Haas van Alphen effect (dHvA). A quantum critical end point (QCEP) has been reported in the highly correlated metal Sr₃Ru₂O₇, which is tuned using a magnetic field high enough to perform the dHvA experiment. It moreover features a new emergent phase in the vicinity of the QCEP, a nematic type of electron ordering.
The subject of this thesis is the study of the FS of Sr₃Ru₂O₇ using the dHvA effect. Three aspects were explored. The first was the determination of the FS at fields both above and below that where the QCEP arises. The second was the search for quantum oscillations inside the nematic phase. The third was a reinvestigation of the behaviour of the quasiparticle effective masses near the FS.
In collaboration with angle resolved photoemission spectroscopy experimentalists, a complete robust model for the FS of Sr₃Ru₂O₇ at zero fields was determined. Moreover, the new measurements of the quasiparticle masses revealed that no mass enhancements exist anywhere around the QCEP, in contradiction with previous specific heat data and measurements of the A coefficient of the power law of the resistivity. Finally, we report dHvA oscillations inside the nematic phase, and the temperature dependence of their amplitude suggests strongly that the carriers consist of Landau quasiparticles
Auditory stimulus timing influences perceived duration of co-occurring visual stimuli
No full textThere is increasing interest in multisensory influences upon sensory-specific judgments, such as when auditory stimuli affect visual perception. Here we studied whether the duration of an auditory event can objectively affect the perceived duration of a co-occurring visual event. On each trial, participants were presented with a pair of successive flashes and had to judge whether the first or second was longer. Two beeps were presented with the flashes. The order of short and long stimuli could be the same across audition and vision (audio–visual congruent) or reversed, so that the longer flash was accompanied by the shorter beep and vice versa (audio–visual incongruent); or the two beeps could have the same duration as each other. Beeps and flashes could onset synchronously or asynchronously. In a further control experiment, the beep durations were much longer (tripled) than the flashes. Results showed that visual duration discrimination sensitivity (d′) was significantly higher for congruent (and significantly lower for incongruent) audio–visual synchronous combinations, relative to the visual-only presentation. This effect was abolished when auditory and visual stimuli were presented asynchronously, or when sound durations tripled those of flashes. We conclude that the temporal properties of co-occurring auditory stimuli influence the perceived duration of visual stimuli and that this can reflect genuine changes in visual sensitivity rather than mere response bias
Estimating the typical rate of contact forgetting
No full textThe SARS-CoV-2 pandemic has highlighted the importance and challenges of contact tracing for epidemiological mitigation. One of these challenges is forgetting. Contact tracing interviews (CTIs) typically rely on human memory, which is prone to decline over time. A robust estimate of contact forgetting can inform epidemiological modelling and policies in the context of infectious diseases. Here we aim to quantify the typical contact forgetting function using panel data from age and gender representative participants from Germany and the UK, emulating 15.000 CTIs. We hypothesize that the number of remembered contacts will decline as a power function of recall delay and that this decline is steeper for older participants.unknownothe
Can a small stimulus set reliably estimate individual differences in semantic salience?
No full textThis study aims to replicate recent findings of consistent individual differences in fixation tendencies along six semantic dimensions. It will further test whether such individual fixation tendencies can be reliably estimated using a smaller stimulus set than that of the original study (700 images; de Haas et al., 2019). Specifically, it will test the reliability of individual fixation tendencies seen for subsets of 40, 100 or 200 images, as well as their consistency with fixation tendencies seen for the full set of 700 images.Corresponding article: Linka, M., & de Haas, B. (2020). OSIEshort: A small stimulus set can reliably estimate individual differences in semantic salience. Journal of Vision, 20(9), 13–13. https://doi.org/10.1167/jov.20.9.13BdH is supported by a JUST'US fellowship (Justus Liebig University Giessen)othe
Individual gaze predicts individual scene descriptions
No full textData, code and stimuli for:
Kollenda, D., Reher, A. S., & de Haas, B. (2025). Individual gaze predicts individual scene descriptions. Scientific Reports, 15(1), 9443
Memories that remain: Image memorability transfers to scene descriptions
No full textData, code and stimuli for:
Kollenda, D., & de Haas, B. Memories that remain: Image memorability transfers to scene descriptions. https://doi.org/10.31234/osf.io/mg7zk_v
Supplementary materials for: OSIEshort: A small stimulus set can reliably estimate individual differences in semantic salience
No full textSupplementary materials for: De Haas, B. (2019, June 4). Can a small stimulus set reliably estimate individual differences in semantic salience? Leibniz Institut für Psychologische Information und Dokumentation (ZPID). https://doi.org/10.23668/psycharchives.2454Corresponding article: Linka, M., & de Haas, B. (2020). OSIEshort: A small stimulus set can reliably estimate individual differences in semantic salience. Journal of Vision, 20(9), 13–13. https://doi.org/10.1167/jov.20.9.13This research was supported by ERC StartingGrant 852885318 INDIVISUAL; BdH was further supported by DFG Project No. 222641018 SFB/TRR 135,319 TP A8.Stimuli: Images of all 3 described subsets (OSIE40, OSIE100, OSIE200) and the full stimulus set (OSIE700) incl. License file.notReviewedothe
Individual gaze predicts individual scene descriptions
No full textData, code and stimuli for:
Kollenda, D., Reher, A. S., & de Haas, B. (2025). Individual gaze predicts individual scene descriptions. Scientific Reports, 15(1), 9443
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