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Auflistung JLUdocs nach Autor "Gegenfurtner, Karl R."
Anzeige der Dokumente 1-20 von 37
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A change in perspective: The interaction of saccadic and pursuit eye movements in oculomotor control and perception
Göttker, Alexander; Gegenfurtner, Karl R. (2021)Due to the close relationship between oculomotor behavior and visual processing, eye movements have been studied in many different areas of research over the last few decades. While these studies have brought interesting ... -
A comparison of the temporal and spatial properties of trans-saccadic perceptual recalibration and saccadic adaptation
Valsecchi, Matteo; Cassanello, Carlos Raul; Herwig, Arvid; Rolfs, Martin; Gegenfurtner, Karl R. (2020) -
Age effects on saccadic adaptation: Evidence from different paradigms reveals specific vulnerabilities
Huang, Jing; Gegenfurtner, Karl R.; Schütz, Alexander C.; Billino, Jutta (2017)Saccadic eye movements provide an opportunity to study closely interwoven perceptual, motor, and cognitive changes during aging. Here, we investigated age effects on different mechanisms of saccadic plasticity. We compared ... -
Age effects on saccadic suppression of luminance and color
Braun, Doris I.; Schütz, Alexander Christian; Gegenfurtner, Karl R. (2021) -
A Bayesian Model of the Memory Colour Effect
Witzel, Christoph; Olkkonen, Maria; Gegenfurtner, Karl R. (2018)According to the memory colour effect, the colour of a colour-diagnostic object is not perceived independently of the object itself. Instead, it has been shown through an achromatic adjustment method that colour-diagnostic ... -
Categorical facilitation with equally discriminable colors
Witzel, Christoph; Gegenfurtner, Karl R. (2015)This study investigates the impact of language on color perception. By categorical facilitation, we refer to an aspect of categorical perception, in which the linguistic distinction between categories affects color ... -
Categorical sensitivity to color differences
Witzel, Christoph; Gegenfurtner, Karl R. (2013)Categorical perception provides a potential link between color perception and the linguistic categories that correspond to the basic color terms. We examined whether the sensory information of the second-stage chromatic ... -
Color consistency in the appearance of bleached fabrics
Toscani, Matteo; Milojevic, Zarko; Fleming, Roland W.; Gegenfurtner, Karl R. (2020) -
Color contributes to object-contour perception in natural scenes
Hansen, Thorsten; Gegenfurtner, Karl R. (2017)The magnitudes of chromatic and achromatic edge contrast are statistically independent and thus provide independent information, which can be used for object-contour perception. However, it is unclear if and how much ... -
Colour Calibration of a Head Mounted Display for Colour Vision Research Using Virtual Reality
Gil Rodríguez, Raquel; Bayer, Florian; Toscani, Matteo; Guarnera, Dar’ya; Guarnera, Giuseppe Claudio; Gegenfurtner, Karl R. (2022) -
Conceptual and visual features contribute to visual memory for natural images
Huebner, Gesche M.; Gegenfurtner, Karl R. (2012)We examined the role of conceptual and visual similarity in a memory task for natural images. The important novelty of our approach was that visual similarity was determined using an algorithm [1] instead of being judged ... -
Corrective saccades influence velocity judgments and interception
Goettker, Alexander; Brenner, Eli; Gegenfurtner, Karl R.; de la Malla, Cristina (2019)In daily life we often interact with moving objects in tasks that involve analyzing visual motion, like catching a ball. To do so successfully we track objects with our gaze, using a combination of smooth pursuit and ... -
Cues for predictive eye movements in naturalistic scenes
Goettker, Alexander; Borgerding, Nils; Leeske, Linus; Gegenfurtner, Karl R. (2023)We previously compared following of the same trajectories with eye movements, but either as an isolated targets or embedded in a naturalistic scene—in this case, the movement of a puck in an ice hockey game. We observed ... -
Deep neural models for color classification and color constancy
Flachot, Alban; Akbarinia, Arash; Schütt, Heiko H.; Fleming, Roland W.; Wichmann, Felix A.; Gegenfurtner, Karl R. (2022) -
Differences in illumination estimation in #thedress
Toscani, Matteo; Gegenfurtner, Karl R.; Doerschner, Katja (2017)We investigated whether people who report different colors for #thedress do so because they have different assumptions about the illumination in #thedress scene. We introduced a spherical illumination probe (Koenderink, ... -
Dynamic combination of position and motion information when tracking moving targets
Goettker, Alexander; Braun, Doris I.; Gegenfurtner, Karl R. (2019) -
Dynamics of oculomotor direction discrimination
Braun, Doris I.; Gegenfurtner, Karl R. (2016)Successful foveation of a dynamic target depends on good predictions of its movement direction and speed. We measured and compared the temporal dynamics of directional precision of both saccades and smooth pursuit and their ... -
Early differential processing of material images: Evidence from ERP classification
Wiebel, Christiane B.; Valsecchi, Matteo; Gegenfurtner, Karl R. (2014)Investigating the temporal dynamics of natural image processing using event-related potentials (ERPs) has a long tradition in object recognition research. In a classical Go-NoGo task two characteristic effects have been ... -
The effects of surface gloss and roughness on color constancy for real 3-D objects
Granzier, Jeroen J. M.; Vergne, Romain; Gegenfurtner, Karl R. (2014)Color constancy denotes the phenomenon that the appearance of an object remains fairly stable under changes in illumination and background color. Most of what we know about color constancy comes from experiments using flat, ... -
From Gaussian Blobs to Natural Videos: Comparison of oculomotor behavior across different stimulus complexities
Goettker, Alexander; Agtzidis, Ioannis; Braun, Doris I.; Dorr, Michael; Gegenfurtner, Karl R. (2020)