Search Results - "Caspar, M."

High-Level Prediction Signals in a Low-Level Area of the Macaque Face-Processing Hierarchy by Schwiedrzik, Caspar M., Freiwald, Winrich A.

“…Theories like predictive coding propose that lower-order brain areas compare their inputs to predictions derived from higher-order representations and signal…”
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Predictions enable top-down pattern separation in the macaque face-processing hierarchy by Nigam, Tarana, Schwiedrzik, Caspar M.

“…Distinguishing faces requires well distinguishable neural activity patterns. Contextual information may separate neural representations, leading to enhanced…”
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Stimulus Predictability Reduces Responses in Primary Visual Cortex by Alink, Arjen, Schwiedrzik, Caspar M, Kohler, Axel, Singer, Wolf, Muckli, Lars

“…In this functional magnetic resonance imaging study we tested whether the predictability of stimuli affects responses in primary visual cortex (V1). The…”
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Design of Wideband Flat Artificial Dielectric Lenses at mmWave Frequencies by Coco Martin, Caspar M., Hu, Weiya, Cavallo, Daniele

“…This work aims to provide guidelines on the design of wideband flat lenses based on artificial dielectric layers (ADLs). Planar lenses based on metasurfaces…”
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Design Formulas for Flat Gradient Index Lenses With Planar or Spherical Output Wavefront by Hu, Weiya, Coco Martin, Caspar M., Cavallo, Daniele

“…A semi-analytical method is presented for the design of gradient index (GRIN) flat lenses. Closed-form expressions are derived to define the refractive index…”
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Expecting to See a Letter: Alpha Oscillations as Carriers of Top-Down Sensory Predictions by Mayer, Anna, Schwiedrzik, Caspar M, Wibral, Michael, Singer, Wolf, Melloni, Lucia

“…Predictions strongly influence perception. However, the neurophysiological processes that implement predictions remain underexplored. It has been proposed that…”
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Specialized Networks for Social Cognition in the Primate Brain by Deen, Ben, Schwiedrzik, Caspar M, Sliwa, Julia, Freiwald, Winrich A

“…Primates have evolved diverse cognitive capabilities to navigate their complex social world. To understand how the brain implements critical social cognitive…”
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On the Cross-Polarization Levels of Arrays With Wide Angle Impedance Matching Layers by van Katwijk, Alexander J., Coco Martin, Caspar M., Toso, Giovanni, Cavallo, Daniele

“…The characteristic cross-polarization (X-pol) of wide angle impedance matching (WAIM) structures is investigated. The study considers an ideal linearly…”
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Mooney face stimuli for visual perception research by Schwiedrzik, Caspar M, Melloni, Lucia, Schurger, Aaron

“…In 1957, Craig Mooney published a set of human face stimuli to study perceptual closure: the formation of a coherent percept on the basis of minimal visual…”
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Expectations change the signatures and timing of electrophysiological correlates of perceptual awareness by Melloni, Lucia, Schwiedrzik, Caspar M, Müller, Notger, Rodriguez, Eugenio, Singer, Wolf

“…Previous experience allows the brain to predict what comes next. How these expectations affect conscious experience is poorly understood. In particular, it is…”
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Variability in training unlocks generalization in visual perceptual learning through invariant representations by Manenti, Giorgio L., Dizaji, Aslan S., Schwiedrzik, Caspar M.

“…Stimulus and location specificity are long considered hallmarks of visual perceptual learning. This renders visual perceptual learning distinct from other…”
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Pupil Diameter Tracks Statistical Structure in the Environment to Increase Visual Sensitivity by Schwiedrzik, Caspar M, Sudmann, Sandrin S

“…Pupil diameter determines how much light hits the retina and, thus, how much information is available for visual processing. This is regulated by a brainstem…”
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Face Patch Resting State Networks Link Face Processing to Social Cognition by Schwiedrzik, Caspar M, Zarco, Wilbert, Everling, Stefan, Freiwald, Winrich A

“…Faces transmit a wealth of social information. How this information is exchanged between face-processing centers and brain areas supporting social cognition…”
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Decision-making processes in perceptual learning depend on effectors by Ivanov, Vladyslav, Manenti, Giorgio L., Plewe, Sandrin S., Kagan, Igor, Schwiedrzik, Caspar M.

“…Visual perceptual learning is traditionally thought to arise in visual cortex. However, typical perceptual learning tasks also involve systematic mapping of…”
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Memory guidance of value-based decision making at an abstract level of representation by Liashenko, Anna, Dizaji, Aslan S., Melloni, Lucia, Schwiedrzik, Caspar M.

“…Value-based decisions about alternatives we have never experienced can be guided by associations between current choice options and memories of prior reward. A…”
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Predicting atmospheric optical properties for radiative transfer computations using neural networks by Veerman, Menno A, Pincus, Robert, Stoffer, Robin, van Leeuwen, Caspar M, Podareanu, Damian, van Heerwaarden, Chiel C

“…The radiative transfer equations are well known, but radiation parametrizations in atmospheric models are computationally expensive. A promising tool for…”
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Visual perceptual learning of feature conjunctions leverages non-linear mixed selectivity by Karami, Behnam, Schwiedrzik, Caspar M.

“…Visual objects are often defined by multiple features. Therefore, learning novel objects entails learning feature conjunctions. Visual cortex is organized into…”
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Added Value of Clinical Sequencing: WGS-Based Profiling of Pharmacogenes by Caspar, Sylvan M, Schneider, Timo, Meienberg, Janine, Matyas, Gabor

“…Although several pharmacogenetic (PGx) predispositions affecting drug efficacy and safety are well established, drug selection and dosing as well as clinical…”
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Not All Predictions Are Equal: "What" and "When" Predictions Modulate Activity in Auditory Cortex through Different Mechanisms by Auksztulewicz, Ryszard, Schwiedrzik, Caspar M, Thesen, Thomas, Doyle, Werner, Devinsky, Orrin, Nobre, Anna C, Schroeder, Charles E, Friston, Karl J, Melloni, Lucia

“…Using predictions based on environmental regularities is fundamental for adaptive behavior. While it is widely accepted that predictions across different…”
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Did the Toba volcanic eruption of ∼74 ka B.P. produce widespread glaciation? by Robock, Alan, Ammann, Caspar M., Oman, Luke, Shindell, Drew, Levis, Samuel, Stenchikov, Georgiy

“…It has been suggested that the Toba volcanic eruption, approximately 74 ka B.P., was responsible for the extended cooling period and ice sheet advance…”
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